RADIO

NAVIGATIONAL AIDS

PUB. 117

2005

IMPORTANT

THIS PUBLICATION SHOULD

BE CORRECTED EACH WEEK

FROM THE

NOTICE TO MARINERS

Prepared and published by the

NATIONAL GEOSPATIAL-INTELLIGENCE AGENCY

Bethesda, Maryland

© COPYRIGHT 2005 BY THE UNITED STATES GOVERNMENT

NO COPYRIGHT CLAIMED UNDER TITLE 17 U.S.C.
THE PRUDENT MARINER

a. Warning On Use Of Floating Aids To Navigation and on Aids to Navigation in General, to Fix a Navigational

Position.

The aids to navigation depicted on charts comprise a system consisting of fixed and floating aids with varying degrees of

reliability. Therefore, prudent mariners will not rely solely on any single aid to navigation, particularly a floating aid. An

aid to navigation also refers to any device or structure external to a craft, designed to assist in determination of position.

This includes celestial, terrestrial, and electronic means, such as Global Positioning System (GPS) and Differential GPS

(DGPS). Here, too, the prudent mariner will not rely soley on any single aid to navigation.

The buoy symbol is used to indicate the approximate position of the buoy body and the sinker which secures the buoy to

the seabed. The approximate position is used because of practical limitations in positioning and maintaining buoys and

their sinkers in precise geographical locations. These limitations include, but are not limited to, inherent imprecisions in

position fixing methods, prevailing atmospheric and sea conditions, the slope of and the material making up the seabed, the

fact that buoys are moored to sinkers by varying lengths of chain, and the fact that buoy and/or sinker positions are not

under continuous surveillance but are normally checked only during periodic maintenance visits which often occur more

than a year apart. The position of the buoy body can be expected to shift inside and outside the charting symbol due to the

forces of nature. The mariner is also cautioned that buoys are liable to be carried away, shifted, capsized, sunk, etc. Lighted

buoys may be extinguished or sound signals may not function as the result of ice or other natural causes, collisions, or other

accidents. Many of these factors also apply to articulated lights.

For the foregoing reasons, a prudent mariner must not rely completely upon the position or operation of floating aids to

navigation, but will also utilize bearings from fixed objects and aids to navigation on shore. Further, a vessel attempting to

pass close aboard always risks collision with a yawing buoy or with the obstruction the buoy marks.

b. Use of Foreign Charts.

1. In the interest of safe navigation, caution should be exercised in the use of foreign charts not maintained through U.S.

Notice to Mariners.

2. Foreign produced charts are occasionally mentioned in NGA Sailing Directions when such charts may be of a better

scale than U.S. produced charts. Mariners are advised that if or when such foreign charts are used for navigation it is their

responsibility to maintain those charts from the Notice to Mariners of the foreign country producing the charts.

3. The mariner is warned that the buoyage systems, shapes, colors, and light rhythms used by other countries often have

a different significance than the U.S. system.

4. Mariners are further warned about plotting positions, especially satellite-derived positions such as from GPS, onto

foreign charts where the datum is unknown or the conversion from WGS-84 is unknown.

c. Chart Notes Regarding Different Datums.

Particular caution should be exercised during a passage when transferring the navigational plot to an adjacent chart upon

a different geodetic datum or when transferring positions from one chart to another chart of the same area which is based

upon a different datum. The transfer of positions should be done by bearings and distances from common features.

Notes on charts should be read with care, as they give important information not graphically presented. Notes in

connection with the chart title include the horizontal geodetic datum which serves as a reference for the values of the

latitude and longitude of any point or object on the chart. The latitudes and longitudes of the same points or objects on a

second chart of the same area which is based upon a different datum will differ from those of the first chart. The difference

may be navigationally significant. Additionally, datum changes between chart editions could significantly affect the

positions of navigational aids found in the List of Lights and other NGA publications.

Positions obtained from satellite navigation systems, such as from GPS, are normally referred to the World Geodetic

System 1984 (WGS-84) Datum. The differences between GPS satellite-derived positions and positions on some foreign

charts cannot be determined: mariners are warned that these differences MAY BE SIGNIFICANT TO NAVIGATION and

are therefore advised to use alternative sources of positional information, particularly when closing the shore or navigating

in the vicinity of dangers.

(NGA/MISC)
I

PREFACE

The 2005 edition of Pub. 117, Radio Navigational Aids, is a

list of selected worldwide stations which provide electronic

services to the mariner. This edition cancels all previous

editions of Pub. 117. The listing is divided into chapters

according to the nature of the service performed by the

stations. The first numeral (hundreds digit) of section numbers

of text and the first numeral (thousands digit) of station

numbers correspond to the chapter number.

Radiobeacons, the only category of radio navigational aids not

listed in this book, are grouped geographically and carried in the

NGA Lists of Lights, Pub. 110 - 116, and USCG Light Lists.

References to publications produced or sold by NGA will be

followed by the stock number in parentheses.

Times quoted herein are, unless otherwise stated, in

Coordinated Universal Time (UTC) and hours are reckoned

from 0000 to 2359.

All bearings are true and are measured in degrees

clockwise from 000 ̊ (true north) to 359 ̊. The sectors of radio

direction finder stations are given as looking from the station

to seaward in accordance with international practice; it

should be noted that this is the reverse of the method used in

the light lists for expressing the sectors of lights.

Distances are reckoned in nautical miles unless otherwise

stated.

When the term “plain language” is used in the description of

the services rendered by a station, it signifies that the service is

in the language of the country controlling the station, unless

stated to be otherwise.

The hertz is the unit for the operating frequencies of

communications-electronics equipment. Frequencies will

normally be expressed as follows:

(1) In kilohertz (kHz) up to and including 300 kHz.

(2) In megahertz (MHz) up to and including 300 MHz.

(3) In gigahertz (GHz) up to and including 300 GHz.

Note: In practice, kilohertz may be used up to 30,000 kHz.

Nothing in the manner of presentation or arrangement of

information in this publication implies endorsement or

acceptance by NGA in matters affecting the status and

boundaries of states and territories.

This edition contains information available to the National

Geospatial-Intelligence Agency up to 27 November 2004,

including Notice to Mariners No. 48 of 2004. Corrections

which have accumulated since that date will be in Section II of

the Notice to Mariners which announces the issuance of this

publication. Subsequent corrections are included weekly in

Section II. All of these corrections should be applied in the

appropriate places and their insertion noted in the “Record of

Corrections” on the next page.

Mariners and other users are requested to forward new or

corrective information useful in the correction of this

publication to:

MARITIME DIVISION

ST D 44

NATIONAL GEOSPATIAL-INTELLIGENCE AGENCY

4600 SANGAMORE ROAD

BETHESDA MD 20816-5003

CAUTION

Plans for air defense of the United States may require

temporary suspension of the operations of certain electronic

aids to navigation with little or no advance notice.
III

CONTENTS

Preface ...........................................................................................................................................................................................I

Table of Symbols .......................................................................................................................................................................VI

CHAPTER 1

Radio Direction Finder and Radar Stations ...............................................................................................................................1-3

CHAPTER 2

Radio Time Signals....................................................................................................................................................................2-3

CHAPTER 3

Radio Navigational Warnings....................................................................................................................................................3-3

CHAPTER 4

Distress, Emergency, and Safety Traffic ...................................................................................................................................4-3

CHAPTER 5

Stations Transmitting Medical Advice ......................................................................................................................................5-3

CHAPTER 6

Long Range Navigational Aids..................................................................................................................................................6-3

CHAPTER 7

Amver.........................................................................................................................................................................................7-3

CHAPTER 8

Communication Instructions For U.S. Merchant Ships ............................................................................................................8-3

Index I—Radio Aids to Navigation by Country ........................................................................................................................ I-1

Index II—Radio Aids to Navigation by Station......................................................................................................................... I-5

Index III—Cross Reference—International vs. U.S. Radio Aids............................................................................................ I-13
IV

QUICK REFERENCE

Amver.................................................................................................................................................................................. 7-3

DISTRESS, SEARCH, AND RESCUE

Assistance by SAR Aircraft and Helicopters................................................................................................................... 4-14

Distress and Safety Communications Procedures ........................................................................................................... 4-7

Emergency Position Indicating Radiobeacons (EPIRBs)................................................................................................ 4-18

Frequencies for Distress and Safety ................................................................................................................................ 4-3

Global Maritime Distress and Safety System (GMDSS) ................................................................................................ 4-28

Urgency and Safety Communications Procedures........................................................................................................... 4-11

ELECTRONIC NAVIGATION

LORAN-C........................................................................................................................................................................ 6-3

Satellite Navigation.......................................................................................................................................................... 6-10

EMERGENCY

U.S. Naval Cooperation and Guidance for Shipping (NCAGS)...................................................................................... 8-3

Contamination Prediction System for Merchant Ships at Sea and the MERWARN System .......................................... 8-9

Reports of Hostile Activities............................................................................................................................................ 4-15

Requests for U.S. Navy Assistance in Emergency Situations ......................................................................................... 4-94

NAVIGATIONAL WARNINGS

Coastal and Local, Long Range, and Worldwide Warnings ............................................................................................ 3-3

Ice Information ................................................................................................................................................................ 3-16

NAVTEX.......................................................................................................................................................................... 3-6

Reporting Navigational Safety Information to Shore Establishments............................................................................. 4-14

SPECIAL WARNINGS and Broadcast Stations ............................................................................................................. 3-6

The National Geospatial-Intelligence Agency’s Maritime Safety Information Website..................................................... V
V

THE NATIONAL GEOSPATIAL-INTELLIGENCE AGENCY

 MARITIME DIVISION WEBSITE

The National Geospatial-Intelligence Agency (NGA) Maritime Division Website provides worldwide remote

query access to extensive menus of maritime safety information 24 hours a day.

Databases made available for access, query and download include Chart Corrections, Publication Corrections, NGA

Hydrographic Catalog Corrections, Chart and Publication Reference Data (current edition number, dates, title, scale),

NGA List of Lights, USCG Light Lists, WorldWide Navigational Warning Service (WWNWS) Broadcast Warnings,

Maritime Administration (MARAD) Advisories, Department of State Special Warnings, Mobile Offshore Drilling Units

(MODUs), Anti-Shipping Activity Messages (ASAMs), World Port Index, and Radio Navigational Aids. Publications that

are also made available as PDF files include the U.S. Notice to Mariners, U.S. Chart No. 1, The American Practical

Navigator (Bowditch), International Code of Signals, Radio Navigational Aids, World Port Index, Distances Between

Ports, Sight Reduction Tables for Marine and Air Navigation, and the Radar Navigation and Maneuvering Board Manual.

The Maritime Division Website can be accessed via the NGA Homepage (http://www.nga.mil) or directly at

http://pollux.nss.nga.mil/. Any questions concerning the Maritime Division Website should be directed to:

MARITIME DIVISION

ATTN: NSS STAFF

ST D-44

NATIONAL GEOSPATIAL-INTELLIGENCE AGENCY

4600 SANGAMORE ROAD

BETHESDA MD 20816-5003

Telephone: (1) 301-227-3296 or DSN 287-3296

Fax: (1) 301-227-4211

E-mail: webmaster_nss@nga.mil
VI

TABLE OF SYMBOLS

LEGEND

Example: A 1 A

(1) (2) (3)

(1) Type of modulation of the main carrier:

A Double sideband

F Frequency modulation

G Phase modulation

H Single sideband (full carrier)

J Single sideband (suppressed carrier)

N Emission of unmodulated carrier

R Single sideband (reduced or variable level carrier)

(2) Nature of signal(s) modulating the main carrier:

0 No modulating signal

1 Single channel containing quantized/digital information without modulating subcarrier, excluding time division

multiplex

2 Single channel containing quantized/digital information with modulating subcarrier, excluding time division

multiplex

3 Single channel containing analog information

9 Multiple channels, separately containing quantized/digital information and analog information

(3) Type of information to be transmitted. “Information” does not include information of a constant, unvarying nature, such as

provided by standard frequency emissions, continuous wave and pulse radars, etc.:

A Telegraphy (aural reception)

B Telegraphy (automatic reception)

C Facsimile

D Data transmission, telemetry, telecommand

Note: With 6 kHz, EDW operation in the bands below 30 MHz allocated exclusively for maritime mobile service

(FC, MO)

E Telephony (including sound broadcasting)

N No information transmitted

W Telegraphy and telephony

AMPLITUDE MODULATION

A1A Continuous wave telegraphy, Morse code

A2A Telegraphy by on/off keying of tone-modulated carrier, Morse code: double sideband

A3E Radiotelephony using amplitude modulation: double sideband

A3C Facsimile

A9W Composite emission of telegraphy and telephony: double sideband

G1D Data transmission

G3E Radiotelephony

H2A Telegraphy by on/off keying of tone-modulated carrier

H2B Selective calling using sequential single frequency code

H3E Radiotelephony: single sideband, full carrier

J3C Facsimile: single sideband, suppressed carrier

J3E Radiotelephony using amplitude modulation: single sideband, suppressed carrier

N0N Unmodulated continuous wave emission

R3E Radiotelephony
VII

FREQUENCY (or PHASE) MODULATION:

F1B Narrow band direct printing (NBDP); Radioteletype

F2A Telegraphy by on/off keying of tone-modulated carrier

F3C Facsimile

F3E Radiotelephony using frequency modulation

Pulse Modulation:

kHz = kilohertz

MHz = megahertz

GHz = gigahertz

TERMS AND ABBREVIATIONS

AOR-E Atlantic Ocean Region-East

AOR-W Atlantic Ocean Region-West

CES Coast Earth Station

DSC Digital Selective Calling

EPIRB Emergency position-indicating radio beacon

GEOLUT Local user terminal in a GEOSAR system

GEOSAR Geostationary satellite system for SAR

HF High Frequency

IOR Indian Ocean Region

LEOLUT Local user terminal in a LEOSAR system

LEOSAR Low Earth Orbit satellite system for SAR

LUT COSPAS-SARSAT Local User Terminal

MCC COSPAS-SARSAT Mission Control Center

MF Medium Frequency

MRCC Maritime Rescue Co-ordination Center

MRSC Maritime Rescue Sub-Center

NBDP Narrow band direct printing

NCS Network Coordinating Station

N.I. No Information

NM Nautical Miles

POR Pacific Ocean Region

RCC Rescue Coordination Center

Rx Receiver

SAR Search and rescue

Tx Transmitter

UTC Coordinated Universal Time
1 - 1

CHAPTER 1

RADIO DIRECTION FINDER AND RADAR STATIONS

PART I RADIO DIRECTION FINDER STATIONS

100A. General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

100B. Accuracy of Bearings Furnished by Direction Finding Stations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

100C. Obligations of Administrations Operating Direction Finding Stations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

100D. Procedure to Obtain Radio Direction Finder Bearings and Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

100E. Plotting Radio Bearings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

100F. Radio Bearing Conversion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

100G. Direction Finding Station List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

Station List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

PART II RADAR STATIONS

110A. Coast and Port Radar Station List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16

Station List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17
1 - 3

CHAPTER 1

RADIO DIRECTION FINDER AND RADAR STATIONS

PART I RADIO DIRECTION FINDER STATIONS

100A. General

Radio bearings may be employed for fixing a ship’s

position in the same manner as other lines of position if

due regard is given to the facts that they, like other lines of

position, may not be absolutely accurate, and that the

bearings are portions of great circles, not rhumb lines.

Radio bearings are obtained using radio direction finder

sets installed on either shore stations or ships, and also by

certain special radiobeacons.

Radio direction finder (RDF)stations are equipped with

apparatus for determining the direction of radio signals

transmitted by ships and other stations.

SECTOR OF CALIBRATION: The sector of calibration

of a direction finder station is the sector around the

receiving coil in which the deviation of radio bearings is

known. In this book, the sectors are measured clockwise

from 000 ̊ (true north) to 359 ̊ and are given from the

station to seaward. Bearings which do not fall within the

sector of calibration of the station should be considered

unreliable.

100B. Accuracy of Bearings Furnished by

Direction Finding Stations

The bearings obtained by RDF stations and reported to

ships are corrected for all determinable errors except the

difference between a great circle and a rhumb line (See sec.

100F.) and are normally accurate within 2 ̊ for distances

under 150 miles. However, this error may be increased by

various circumstances, some of which are:

STRENGTH OF SIGNALS: The most accurate bearings

result from ships whose signals are steady, clear, and

strong. If the signals are too weak, accurate bearings

cannot be obtained.

TRANSMITTER ADJUSTMENT: The transmitter of

the ship requesting bearings should be tuned carefully to

the frequency of the station. If the tuning is off, it will be

difficult for the station to obtain bearings sufficiently

accurate for navigational purposes.

COASTAL REFRACTION (LAND EFFECT): Bearings

which cut an intervening coastline at an oblique angle, or

cross high intervening land, may produce errors of 4 ̊ to 5 ̊.

RDF stations normally know the sectors in which such

refraction may be expected. Such sectors may not be

included in the published sectors of calibration or may be

marked “sectors of uncertain calibration.”

SUNRISE, SUNSET, OR NIGHT EFFECTS: Bearings

obtained from about half an hour before sunset to about

half an hour after sunrise are occasionally unreliable

because of the polarization error introduced. Changes in

the intensity of the signals received occur at sunset and

sunrise.

CAUTION: When RDF stations use such words as

doubtful, approximate, second-class, or the equivalents in

foreign languages, the bearings reported must be treated

with suspicion as considerable error may exist.

DANGER FROM RECIPROCAL BEARINGS: When a

single station furnishes a bearing, there is a possibility of

an error of approximately 180 ̊, as the operator at the

station cannot always determine on which side of the

station the ship lies. Certain direction finder stations,

particularly those on islands or extended capes, are

equipped to furnish two corrected true bearings for any

observation. Such bearings may differ by approximately

180 ̊ and whichever bearing is suitable should be used.

CAUTION: Mariners receiving bearings which are

evidently the approximate reciprocal of the correct

bearings should never attempt to correct these bearings by

applying a correction of 180 ̊, as such a correction would

not include the proper correction for deviation at the

direction finder station. An error as large as 30 ̊ may be

introduced by an arbitrary correction of 180 ̊. Ships

receiving bearings requiring an approximate 180 ̊

correction should request both bearings from the direction

finder station.

100C. Obligations of Administrations Operating

Direction Finding Stations

The obligations of RDF station operators are given in

Article 35 of the manual for use by the Maritime Mobile

Satellite Services of the International Telecommunications

Union (1992). They include the following:

– Effective and regular service should be maintained, but

no responsibility is accepted for these services.

– Serviced stations shall be advised of doubtful or

unreliable observations.

– RDF station operators shall make daily notification of

any temporary modifications or irregularities in service.

Permanent modifications shall be published as soon as

possible in the relevant notices to mariners.

– All RDF stations shall be able to take bearings on 410

kHz and 500 kHz.

– When RDF service is provided in authorized bands

between 1605 kHz and 2850 kHz, RDF stations
RADIO DIRECTION FINDER AND RADAR STATIONS

1 - 4

providing that service should be able to take bearings on

2182 kHz.

– When RDF service is provided in the bands between 156

MHz and 174 MHz, the RDF station should be able to

take bearings on VHF 156.8 MHz and VHF digital

selective calling frequency 156.525 MHz.

100D. Procedure to Obtain Radio Direction

Finder Bearings and Positions

TO OBTAIN A BEARING: The vessel should call the

RDF station or the RDF control station on the designated

watch frequency. Depending on the type of information

wanted, the vessel should transmit the appropriate service

abbreviation(s):

– QTE: What is the true bearing from you (or designated

vessel)?

– QTH: Follows the above abbreviation when the request

is made to a mobile RDF station.

The vessel should also indicate the frequency it will use

to enable its bearing to be taken.

The RDF station called should request the vessel to

transmit for the bearing by means of the service

abbreviation QTG (Will you send two dashes of ten

seconds each (or carrier) followed by your call sign

(repeated __ times) on ___ kHz (or MHz)?).

After shifting, if necessary, to the new transmitting

frequency, the vessel should transmit as instructed by the

RDF station.

The RDF station should determine the direction, sense

(if possible), and classification of the bearing and transmit

to the vessel in the following order:

– QTE.

– Three digits indicating true bearing in degrees from the

RDF station.

– Class of bearing.

– Time of observation.

– If the RDF station is mobile, its own position preceded

by QTH.

When the vessel has received this information, it should

repeat it back, if considered necessary for confirmation.

The RDF station should confirm or correct the information.

When the RDF station is sure the information has been

correctly received, it will transmit AR (end of

transmission). The vessel will respond with AR.

Unless otherwise indicated, the vessel may assume that

the sense of the bearing was indicated. If not, the RDF

station should indicate this or report the bearing and its

reciprocal.

CLASSSIFICATION OF BEARINGS: To estimate the

accuracy and determine the corresponding class of a

bearing:

– An operator should generally, and particularly in the

maritime mobile RDF service on frequencies below 3000

kHz, give the observational characteristics of bearings

shown in the table below.

– The RDF station, when facilities and time permit, may

take into account the probability of error in the bearing.

A bearing is considered as belonging to a particular class

if there is a probability of less than 1 in 20 that the

bearing error would exceed the numerical values

specified for that class in the table below. This

probability should be determined from an analysis of the

five components that make up the total variance of the

bearing (instrumental, site, propagation, random

sampling and observational components).

TO OBTAIN A POSITION (DETERMINED BY TWO

OR MORE RDF STATIONS ORGANIZED AS A

GROUP): The vessel should call the RDF control station

and transmit QTF (Will you give me my position according

to the bearings taken by the RDF stations you control?).

The control station shall reply and, when the RDF

stations are ready, request that the vessel transmit using the

service abbreviation QTG.

Classification of Bearings

Class Bearing Error

(Degrees) Observational Characteristics

Signal

Strength

Bearing

Indication

Fading Interference Bearing Swing

(Degrees)

Duration of

Observation

A ±2 ̊ very good

or good

definite

(sharp null)

negligible negligible less than 3 ̊ adequate

B ±5 ̊ fairly good blurred slight slight more than 3 ̊

less than 5 ̊

short

C ±10 ̊ weak severely

blurred

severe strong more than 5 ̊

less than 10 ̊

very short

D more than

±10 ̊

scarcely

perceptible

ill-defined very severe very strong more than 10 ̊ inadequate
RADIO DIRECTION FINDER AND RADAR STATIONS

1 - 5

When the position has been determined, the control

station should transmit to the vessel:

– QTF.

– The position in latitude and longitude, or in relation to a

known geographic point.

– Class of position.

– Time of observation.

According to its estimate of the accuracy of the

observations, the control station shall classify the position

in one of the four following classes:

– Class A - positions which the operator may reasonably

expect to be accurate to within 5 nautical miles.

– Class B - positions which the operator may reasonably

expect to be accurate to within 20 nautical miles.

– Class C - positions which the operator may reasonably

expect to be accurate to within 50 nautical miles.

– Class D - positions which the operator may not expect to

be accurate to within 50 nautical miles.

For frequencies above 3000 kHz, where the distance

limits specified in the preceding subparagraph may not be

appropriate, the control station may classify the position in

accordance with current International Telecommunications

Union-Radiocommunications Sector (ITU-R)

recommendations.

TO OBTAIN SIMULTANEOUS BEARINGS FROM

TWO OR MORE RDF STATIONS ORGANIZED AS A

GROUP: On a request for bearings, the control station of a

group of RDF stations shall proceed as indicated above. It

then should transmit the bearings observed by each station

of the group, each bearing being preceded by the call sign

of the station which observed it.

100E. Plotting Radio Bearings

A fix by radio bearings is defined as follows:

– Three or more bearings taken simultaneously.

– Two bearings and a sounding.

– Two bearings and an LOP from a celestial body.

– Two bearings and a synchronized air or submarine

signal.

– Two bearings on the same station and the measure of

distance run (solve as if doubling the angle on the bow)

between bearings.

Radio bearings are great circle azimuths (the bearing is

the angle between the meridian of the ship or station taking

the bearing and the great circle, not the rhumb line). They

can be plotted directly upon gnomonic charts, but they

cannot be plotted on a Mercator chart without first being

corrected as described in sec. 100F.

WEIGHT TO BE GIVEN TO RADIO BEARINGS:

Before using a radio bearing for navigational purposes, the

mariner should consider the conditions under which it was

taken and should compare the conditions with those given

in sec. 100B on accuracy.

Land-based marine radiobeacon signals received by

ships may only provide a bearing accuracy relative to

vessel heading of ±3 ̊ - 10 ̊. This is not satisfactory for

navigation in restricted channels or harbors.

TRANSMITTERS AND RECEIVERS: Bearings

reported by a direction finding station ashore must be

plotted from the geographical position of the receiving

antenna of the station. Bearings taken by a ship on a shore

station must be plotted from the geographical position of

the station’s transmitting antenna.

CAUTION: These two positions are not the same for all

stations.

SHIP’S PROBABLE POSITION: As radio bearings are

not absolutely accurate, lines should be drawn on both

sides of each radio bearing at an angular distance from the

bearing equal to the estimated probable error. In the case of

intersecting radio bearings, the ship’s most probable

position is the area enclosed by these outer lines.

In figure 1 the broken lines are radio bearings obtained

on a ship by three radio stations. The solid lines are drawn

at angles of 2 ̊ from the bearings (it is assumed that all the

bearings are probably accurate within 2 ̊). The black

triangle in the illustration lies within the 2 ̊ error of all

three bearings and is the most probable position of the

ship. However, with the possibility that one of the bearings

may be off by more than 2 ̊, the areas shaded with parallel

lines give other possible positions. If one of the bearings is

suspected to be less accurate, the outer lines should be

offset from this bearing the same number of degrees as the

estimated error, and the area or areas partially enclosed by

these lines should be given less weight than the other areas.

In figure 2, a ship on course 000 ̊ obtains bearings of

031 ̊ and 065 ̊ on a radio station. The lines drawn as long

dashes show the bearings and the continuous lines are their

limits of accuracy. It is assumed that the bearings are both

accurate within 2 ̊. The lines AB drawn with dashes and

dots are equal to the distance run between bearings. The

distance run is fitted to the lines showing the limits of

accuracy of the bearings. This can be done easily by means

of parallel rulers and dividers. The shaded quadrilateral

shows the ship’s probable position at the time of the second

bearings, if both bearings are accurate within 2 ̊.

Information on various kinds of land-based

radiobeacons, their accuracy, and use may be found in the

NGA Lists of Lights (LLPUB110 - 116), Coast Guard

Light Lists (COMDTM165021 - 165027), and “The

American Practical Navigator” (Bowditch) (NVPUB9).

100F. Radio Bearing Conversion

The table on pg. 1-7 may be used to convert radio or

great circle bearings into Mercator bearings for plotting on

a Mercator chart. The table should be used when the

distance between the ship and station is over 50 miles. The

arguments used to find the correction are the middle

latitude (Lm) and the difference of longitude (DLo)

between the position of the radio station and the dead

reckoning (DR) position of the vessel.

EXAMPLE: A vessel in DR position 56 ̊04'N, 142 ̊43'W

takes a bearing on the radiobeacon at Cape Spencer Light

Station at 58 ̊12.0'N, 136 ̊38.3'W. The bearing observed is

057.5 ̊. Find the Mercator bearing.

Lm (to nearest whole degree) = 57 ̊

DLo (to nearest half degree) = 6 ̊

With Lm 57 ̊ and the DLo 6 ̊ enter the conversion table

and extract the correction 2.5 ̊. The receiver (ship) is in N
RADIO DIRECTION FINDER AND RADAR STATIONS

1 - 6

latitude; the transmitter (radiobeacon) is eastward.

Following the rule given at the bottom of the table, the

correction is to be added:

Great circle bearing . . . . . . . . . . . . . . . . . . . . . . . 057.5 ̊

Correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+2.5 ̊

Mercator bearing . . . . . . . . . . . . . . . . . . . . . . . . . 060.0 ̊

To plot the bearing, add 180 ̊ to Mercator bearing, giving

240 ̊, the rhumb line bearing of the ship from the

radiobeacon.

EXAMPLE: A vessel in DR position 42 ̊20'N, 66 ̊14'W

requests a bearing from a direction finder station at

42 ̊08'N, 70 ̊42'W. The bearing given is 081 ̊. Find the

Mercator bearing.

Lm (to nearest whole degree) = 42 ̊

DLo (to nearest half degree) = 4.5 ̊

With Lm 42 ̊ and DLo 4.5 ̊, enter the conversion table

and extract the correction 1.5 ̊. The receiver (RDF station)

is in N latitude; the transmitter (ship) is eastward.

Following the rule given at the bottom of the table, the

correction is to be added:

Great circle bearing . . . . . . . . . . . . . . . . . . . . . . .081.0 ̊

Correction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+1.5 ̊

Mercator bearing . . . . . . . . . . . . . . . . . . . . . . . . .082.5 ̊

100G. Direction Finding Station List

The station list starting on pg. 1-8 shows the names,

positions, and characteristics of radio direction finding

stations.The frequencies used are broken down as follows:

A–Frequency on which station (or control station) keeps

watch.

B–Frequency for transmission of signals on which

bearings are observed.

C– Frequency on which results are transmitted.

Figure 1. Figure 2.
RADIO DIRECTION FINDER AND RADAR STATIONS

1 - 7

Mid

Lat.

Radio Bearing Conversion Table

Correction to be applied to radio bearing to convert to Mercator bearing

Difference of Longitude

Mid

Lat.

0.5 ̊ 1 ̊ 1.5 ̊ 2 ̊ 2.5 ̊ 3 ̊ 3.5 ̊ 4 ̊ 4.5 ̊ 5 ̊ 5.5 ̊ 6 ̊ 6.5 ̊ 7 ̊ 7.5 ̊

 ̊  ̊ ̊ ̊ ̊ ̊ ̊ ̊ ̊ ̊ ̊ ̊ ̊ ̊ ̊ ̊ ̊

4 0.1 0.1 0.1 0.1 0.2 0.2 0.2 0.2 0.2 0.2 0.3 4

5 0.1 0.1 0.1 .1 .1 .2 .2 .2 .2 .2 .3 .3 .3 .3 5

6 .1 .1 .1 .1 .2 .2 .2 .2 .3 .3 .3 .3 .4 .4 6

7 .1 .1 .1 .2 .2 .2 .3 .3 .3 .3 .4 .4 .4 .5 7

8 .1 .1 .1 .2 .2 .2 .3 .3 .4 .4 .4 .5 .5 .5 8

9 .1 .1 .1 .2 .2 .2 .3 .3 .4 .4 .5 .5 .6 .6 9

10 .1 .1 .1 .2 .2 .3 .4 .4 .4 .5 .5 .6 .6 .6 10

11 .1 .1 .2 .2 .3 .3 .4 .4 .5 .5 .6 .6 .7 .7 11

12 0.1 .1 .1 .2 .3 .3 .4 .4 .5 .5 .6 .6 .7 .7 .8 12

13 .1 .1 .2 .2 .3 .3 .4 .4 .5 .6 .6 .7 .7 .8 .8 13

14 .1 .1 .2 .2 .3 .4 .4 .5 .6 .6 .7 .7 .8 .8 .9 14

15 .1 .1 .2 .3 .3 .4 .4 .5 .6 .6 .7 .8 .8 .9 1.0 15

16 .1 .1 .2 .3 .4 .4 .5 .6 .6 .7 .8 .8 .9 1.0 1.0 16

17 .1 .2 .2 .3 .4 .4 .5 .6 .6 .7 .8 .9 1.0 1.0 1.1 17

18 .1 .2 .2 .3 .4 .5 .5 .6 .7 .8 .8 .9 1.0 1.1 1.2 18

19 .1 .2 .2 .3 .4 .5 .6 .6 .7 .8 .9 1.0 1.1 1.1 1.2 19

20 .1 .2 .2 .3 .4 .5 .6 .7 .8 .8 .9 1.0 1.1 1.2 1.3 20

21 .1 .2 .3 .4 .5 .5 .6 .7 .8 .9 1.0 1.1 1.2 1.2 1.4 21

22 .1 .2 .3 .4 .5 .6 .6 .8 .8 .9 1.0 1.1 1.2 1.3 1.4 22

23 .1 .2 .3 .4 .5 .6 .7 .8 .9 1.0 1.1 1.2 1.3 1.4 1.5 23

24 .1 .2 .3 .4 .5 .6 .7 .8 .9 1.0 1.1 1.2 1.3 1.4 1.5 24

25 .1 .2 .3 .4 .5 .6 .7 .8 1.0 1.1 1.2 1.3 1.4 1.5 1.6 25

26 .1 .2 .3 .4 .6 .6 .8 .9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 26

27 .1 .2 .3 .4 .6 .7 .8 .9 1.0 1.1 1.2 1.4 1.5 1.6 1.7 27

28 .1 .2 .4 .5 .6 .7 .8 .9 1.1 1.2 1.3 1.4 1.5 1.6 1.8 28

29 .1 .2 .4 .5 .6 .7 .8 1.0 1.1 1.2 1.3 1.4 1.6 1.7 1.8 29

30 .1 .2 .4 .5 .6 .8 .9 1.0 1.1 1.2 1.4 1.5 1.6 1.8 1.9 30

31 .1 .2 .4 .5 .6 .8 .9 1.0 1.2 1.3 1.4 1.6 1.7 1.8 1.9 31

32 .1 .3 .4 .5 .7 .8 .9 1.1 1.2 1.3 1.4 1.6 1.7 1.8 2.0 32

33 .1 .3 .4 .6 .7 .8 1.0 1.1 1.2 1.4 1.5 1.6 1.8 1.9 2.0 33

34 .1 .3 .4 .6 .7 .8 1.0 1.1 1.2 1.4 1.5 1.7 1.8 2.0 2.1 34

35 .1 .3 .4 .6 .7 .9 1.0 1.2 1.3 1.4 1.6 1.7 1.9 2.0 2.2 35

36 .1 .3 .4 .6 .7 .9 1.0 1.2 1.3 1.5 1.6 1.8 1.9 2.1 2.2 36

37 .2 .3 .4 .6 .8 .9 1.1 1.2 1.4 1.5 1.6 1.8 2.0 2.1 2.2 37

38 .2 .3 .5 .6 .8 .9 1.1 1.2 1.4 1.5 1.7 1.8 2.0 2.2 2.3 38

39 .2 .3 .5 .6 .8 1.0 1.1 1.2 1.4 1.6 1.7 1.9 2.1 2.2 2.4 39

40 .2 .3 .5 .6 .8 1.0 1.1 1.3 1.4 1.6 1.8 1.9 2.1 2.2 2.4 40

41 .2 .3 .5 .6 .8 1.0 1.2 1.3 1.5 1.6 1.8 2.0 2.1 2.3 2.5 41

42 .2 .3 .5 .7 .8 1.0 1.2 1.3 1.5 1.7 1.8 2.0 2.2 2.3 2.5 42

43 .2 .3 .5 .7 .8 1.0 1.2 1.4 1.5 1.7 1.9 2.1 2.2 2.4 2.6 43

44 .2 .4 .5 .7 .9 1.1 1.2 1.4 1.6 1.7 1.9 2.1 2.2 2.4 2.6 44

45 .2 .4 .5 .7 .9 1.1 1.2 1.4 1.6 1.8 2.0 2.1 2.3 2.5 2.6 45

46 .2 .4 .5 .7 .9 1.1 1.3 1.4 1.6 1.8 2.0 2.2 2.3 2.5 2.7 46

47 .2 .4 .6 .7 .9 1.1 1.3 1.5 1.7 1.8 2.0 2.2 2.4 2.6 2.8 47

48 .2 .4 .6 .8 .9 1.1 1.3 1.5 1.7 1.8 2.1 2.2 2.4 2.6 2.8 48

49 .2 .4 .6 .8 1.0 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 2.6 2.8 49

50 .2 .4 .6 .8 1.0 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 2.7 2.9 50

51 .2 .4 .6 .8 1.0 1.2 1.4 1.6 1.8 2.0 2.1 2.3 2.5 2.7 2.9 51

52 .2 .4 .6 .8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 52

53 .2 .4 .6 .8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 53

54 .2 .4 .6 .8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 54

55 .2 .4 .6 .8 1.0 1.2 1.4 1.6 1.8 2.1 2.2 2.4 2.7 2.9 3.1 55

56 .2 .4 .6 .8 1.0 1.2 1.4 1.7 1.9 2.1 2.3 2.5 2.7 2.9 3.1 56

57 .2 .4 .6 .8 1.1 1.2 1.5 1.7 1.9 2.1 2.3 2.5 2.7 2.9 3.2 57

58 .2 .4 .6 .8 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.6 2.8 3.0 3.2 58

59 .2 .4 .6 .8 1.1 1.3 1.5 1.7 1.9 2.2 2.4 2.6 2.8 3.0 3.2 59

60 .2 .4 .6 .9 1.1 1.3 1.5 1.7 2.0 2.2 2.4 2.6 2.8 3.0 3.2 60

0.5 ̊ 1 ̊ 1.5 ̊ 2 ̊ 2.5 ̊ 3 ̊ 3.5 ̊ 4 ̊ 4.5 ̊ 5 ̊ 5.5 ̊ 6 ̊ 6.5 ̊ 7 ̊ 7.5 ̊

Receiver

(latitude)

Transmitter (direction

from receiver)

Correction

Sign

Receiver (latitude) Transmitter (direction

from receiver)

Correction

Sign

North

North

Eastward

Westward

+

—

South

South

Eastward

Westward

—

+
RADIO DIRECTION FINDER AND RADAR STATIONS

1 - 8

(1)

No.

(2)

Name

(3)

Type

(4)

Position

Rx Tx

(5)

Frequency

(6)

Range

(7)

Procedure

(8)

Remarks

CANADA

The VHF direction finding stations of Canada are for emergency use only. All stations are remotely controlled by a Marine

Communications and Traffic Services Center (MCTS). The following details of operation are common to all of these stations:

A. Ch.16.

B. Ch.16 (distress only).

C. Ch.16 (distress only).

1001 Cap-aux-Meules. RDF 47 23 14 N

61 51 40 W

MCTS Riviere-au-Renard (VCG).

1001.3

2-4326

Fortune Head. RDF 47 03 54 N

55 51 04 W

MCTS Placentia (VCP).

1001.35

2-4326

Grosses-Roches. RDF 48 54 51 N

67 06 38 W

MCTS Les Escoumins (VCF).

1001.45

2-4326

Havre St.-Pierre. RDF 50 16 15 N

63 40 44 W

MCTS Riviere-au-Renard (VCG).

1001.6

2-4326

Lac D'aigle (Sept

Iles).

RDF 50 17 21 N

66 18 43 W

MCTS Les Escoumins (VCF).

1001.85

2-4326

Mont-Louis. RDF 49 12 48 N

65 46 27 W

MCTS Les Escoumins (VCF).

1001.9

2-4326

Montmagny. RDF 46 55 42 N

70 30 45 W

MCTS Quebec (VCC).

1001.95

2-4326

Natashquan. RDF 50 08 40 N

61 48 00 W

MCTS Riviere-au-Renard (VCG).

1002

2-4326

Newport. RDF 48 13 37 N

64 47 33 W

MCTS Riviere-au-Renard (VCG).

1002.1

2-4326

Pointe Heath. RDF 49 05 05 N

61 42 09 W

MCTS Riviere-au-Renard (VCG).

1002.15

2-4326

Riviere-au-Renard. RDF 49 00 29 N

64 24 00 W

MCTS Riviere-au-Renard (VCG).

1002.2

2-4326

Riviere du Loup. RDF 47 45 26 N

69 36 14 W

MCTS Quebec (VCC).

1002.35

2-4326

Twillingate. RDF 49 41 16 N

54 48 03 W

MCTS St. Anthony (VCM).

1002.36 Banks. RDF 44 28 30 N

80 20 56 W

MCTS Thunder Bay (VBA).

Seasonal operation: April 1-December 31.

1002.37 Brougham. RDF 43 55 13 N

79 06 51 W

MCTS Prescott (VBR).

Seasonal operation: April 1-December 31.

1002.38 Cape Croker. RDF 44 57 30 N

80 57 53 W

MCTS Thunder Bay (VBA).

Seasonal operation: April 1-December 31.

1002.4 Cobourg. RDF 44 04 02 N

78 12 38 W

MCTS Prescott (VBR).

Seasonal operation: April 1-December 31.

1002.45 Pointe au Baril. RDF 45 33 50 N

80 19 18 W

MCTS Thunder Bay (VBA).

Seasonal operation: April 1-December 31.

1002.5 Tobermory. RDF 45 09 42 N

81 29 55 W

MCTS Thunder Bay (VBA).

Seasonal operation: April 1-December 31.
RADIO DIRECTION FINDER AND RADAR STATIONS

1 - 9

1002.55 Trafalgar. RDF 43 29 41 N

79 43 47 W

MCTS Prescott (VBR).

Seasonal operation: April 1-December 31.

1002.6

2-3510

Barry Inlet. RDF 52 34 30 N

131 45 13 W

MCTS Prince Rupert (VAJ).

1002.65

2-3510

Calvert Island. RDF 51 35 21 N

128 00 43 W

MCTS Prince Rupert (VAJ).

1002.7

2-3510

Cumshewa. RDF 53 09 33 N

131 59 47 W

MCTS Prince Rupert (VAJ).

1002.75

2-3510

Dundas Island. RDF 54 31 16 N

130 54 55 W

MCTS Prince Rupert (VAJ).

1002.8

2-3510

Klemtu. RDF 52 34 45 N

128 33 45 W

MCTS Prince Rupert (VAJ).

1002.85

2-3510

Mount Gil. RDF 53 15 46 N

129 11 42 W

MCTS Prince Rupert (VAJ).

1002.9

2-3510

Mount Hays. RDF 54 17 12 N

130 18 49 W

MCTS Prince Rupert (VAJ).

1002.95

2-3510

Naden Harbor. RDF 53 57 18 N

132 56 30 W

MCTS Prince Rupert (VAJ).

1003

2-3510

Van Inlet. RDF 53 15 08 N

132 32 31 W

MCTS Prince Rupert (VAJ).

UNITED KINGDOM

The VHF direction finding stations of the United Kingdom are for emergency use only. Except for Guernsey and Jersey, all are

remotely controlled by a HM Coast Guard Maritime Rescue Coordination Center or Sub-Center (MRCC/MRSC). The following

details of operation are common to all of these stations:

A. Ch.16.

B. Ch.16 (distress only).

Ch.67. Ch.82 (Jersey

only).

C. Ch.16 (distress only).

Ch.67. Ch.82 (Jersey

only).

1055

2-0001

Barra. RDF 57 00 49 N

7 30 25 W

MRSC Stornoway.

1060

2-0001

Bawdsey. RDF 51 59 36 N

1 25 00 E

MRSC Thames.

1065

2-0001

Berry Head. RDF 50 23 58 N

3 29 03 W

MRSC Brixham.

1066

2-0001

Boniface. RDF 50 36 13 N

1 12 02 W

MRSC Solent.

1070

2-0001

Compass Head. RDF 59 52 03 N

1 16 18 W

MRSC Shetland.

1072

2-0001

Crosslaw. RDF 55 54 29 N

2 12 19 W

MRSC Forth.

1073

2-0001

Cullercoats. RDF 55 04 00 N

1 28 00 W

MRSC Humber.

1075

2-0001

Dunnet Head. RDF 58 40 19 N

3 22 31 W

MRCC Aberdeen.

1080

2-0001

Easington. RDF 53 39 08 N

0 05 54 E

MRSC Humber.

(1)

No.

(2)

Name

(3)

Type

(4)

Position

Rx Tx

(5)

Frequency

(6)

Range

(7)

Procedure

(8)

Remarks
RADIO DIRECTION FINDER AND RADAR STATIONS

1 - 10

1082

2-0001

East Prawle. RDF 50 13 06 N

3 42 30 W

MRSC Brixham.

1086

2-0001

Fairlight. RDF 50 52 11 N

0 38 44 E

MRCC Dover.

1087

2-0001

Fife Ness. RDF 56 16 42 N

2 35 18 W

MRSC Forth.

1088

2-0001

Flamborough. RDF 54 07 05 N

0 05 13 W

MRSC Humber.

1089

2-0001

Great Ormes Head. RDF 53 19 58 N

3 51 15 W

MRSC Holyhead.

1090

2-0001

Grove Point. RDF 50 32 56 N

2 25 12 W

MRSC Portland.

1090.5

2-0155

Guernsey. RDF 49 26 16 N

2 35 46 W

1091

2-0001

Hartland. RDF 51 01 13 N

4 31 24 W

MRCC Swansea.

1091.2

2-0001

Hartlepool. RDF 54 41 47 N

1 10 34 W

MRSC Humber.

1092

2-0001

Hengistbury Head. RDF 50 42 57 N

1 45 38 W

MRSC Portland.

1093

2-0001

Inverbervie. RDF 56 51 06 N

2 15 39 W

MRSC Forth.

1093.5

2-0155

Jersey. RDF 49 10 51 N

2 14 18 W

1094

2-0001

Kilchiaran. RDF 55 45 54 N

6 27 11 W

MRCC Clyde.

1094.1

2-0001

Lands End. RDF 50 08 08 N

5 38 11 W

MRCC Falmouth.

1094.2

2-0001

Langdon Battery. RDF 51 07 58 N

1 20 35 E

MRCC Dover.

1094.5

2-0001

Law Hill. RDF 55 41 46 N

4 50 28 W

MRCC Clyde.

1095

2-0001

Lizard. RDF 49 57 36 N

5 12 04 W

MRCC Falmouth.

1095.5

2-0001

Lowestoft. RDF 52 28 36 N

1 42 12 E

MRCC Yarmouth.

1096

2-0001

Newhaven. RDF 50 46 56 N

0 03 01 E

MRSC Solent.

1097

2-0001

Newton. RDF 55 31 01 N

1 37 06 W

MRSC Humber.

1098

2-0001

North Foreland. RDF 51 22 32 N

1 26 43 E

MRCC Dover.

1098.2

2-0001

Noss Head. RDF 58 28 48 N

3 03 00 W

MRCC Aberdeen.

1098.3

2-0001

Portnaguran. RDF 58 14 49 N

6 09 44 W

MRSC Stornoway.

(1)

No.

(2)

Name

(3)

Type

(4)

Position

Rx Tx

(5)

Frequency

(6)

Range

(7)

Procedure

(8)

Remarks
RADIO DIRECTION FINDER AND RADAR STATIONS

1 - 11

1098.5

2-0175

Orlock Head. RDF 54 40 25 N

5 34 58 W

MRSC Belfast.

1105

2-0001

Rame Head. RDF 50 19 02 N

4 13 12 W

MRSC Brixham.

1105.2

2-0001

Rhiw. RDF 52 50 00 N

4 37 49 W

MRSC Holyhead.

1106

2-0001

Rodel. RDF 57 44 54 N

6 57 25 W

MRSC Stornoway.

1108

2-0001

St. Ann's Head. RDF 51 40 58 N

5 10 31 W

MRSC Milford Haven.

1109

2-0001

St. Mary's, Isles of

Scilly.

RDF 49 55 44 N

6 18 15 W

MRCC Falmouth.

1115

2-0001

Selsey. RDF 50 43 48 N

0 48 13 W

MRSC Solent.

1116

2-0001

Shoeburyness. RDF 51 31 23 N

0 46 30 E

MRSC Thames.

1117

2-0001

Skegness. RDF 53 09 00 N

0 21 00 E

MRCC Yarmouth.

1120

2-0001

Snaefell. RDF 54 15 50 N

4 27 40 W

MRSC Liverpool.

1150

2-0001

Tiree. RDF 56 30 37 N

6 57 41 W

MRCC Clyde.

1155

2-0001

Trevose Head. RDF 50 32 55 N

5 01 59 W

MRCC Falmouth.

1160

2-0001

Trimingham. RDF 52 54 34 N

1 20 36 E

MRCC Yarmouth.

1165

2-0001

Tynemouth. RDF 50 01 04 N

1 24 59 W

MRSC Humber.

1170

2-0001

Walney Island. RDF 54 06 37 N

3 16 00 W

MRSC Liverpool.

1171

2-0175

West Torr. RDF 55 11 42 N

6 05 12 W

MRSC Belfast.

1172

2-0001

Whitby. RDF 54 29 24 N

0 36 18 W

MRSC Humber.

1175

2-0001

Wideford Hill. RDF 58 59 17 N

3 01 24 W

MRSC Shetland.

1180

2-0001

Windyhead. RDF 57 38 54 N

2 14 30 W

MRCC Aberdeen.

(1)

No.

(2)

Name

(3)

Type

(4)

Position

Rx Tx

(5)

Frequency

(6)

Range

(7)

Procedure

(8)

Remarks
RADIO DIRECTION FINDER AND RADAR STATIONS

1 - 12

FRANCE

The VHF direction finding stations of France are for emergency use only. The following details of operation are common to all of

these stations:

CROSS Stations:

A. Ch.11, 16 (67 when 11

is in use for distress

traffic).

B. Ch.11, 16 (67).

C. Ch.11, 16 (67).

Signal and lookout

stations:

A. Ch.16 and 7 additional

frequencies (swept by

scanner) from Ch.1-29,

36, 39, 48, 50, 52, 55,

56, 60-88.

B. Ch.11, 16.

C. Ch.11, 16.

1182

2-0815

Gris-Nez. RDF 50 52 12 N

1 35 00 E

Controlled by CROSS.

1182.1

2-0815

Jobourg. RDF 49 41 06 N

1 54 36 W

Controlled by CROSS.

1182.2

2-0815

Roches-Douvres. RDF 49 06 30 N

2 48 48 W

Controlled by CROSS-Jobourg.

1182.3

2-0815

Dunkerque. RDF 51 03 24 N

2 20 24 E

Controlled by signal station.

1182.4

2-0815

Boulogne. RDF 50 44 00 N

1 36 00 E

Controlled by signal station. Day

service only.

1182.5

2-0815

Ault. RDF 50 06 30 N

1 27 30 E

Controlled by signal station. Day

service only.

1182.6

2-0815

Dieppe. RDF 49 56 00 N

1 05 12 E

Controlled by signal station. Day

service only.

1182.7

2-0815

Fecamp. RDF 49 46 06 N

0 22 12 E

Controlled by signal station.

1182.8

2-0815

La Heve. RDF 49 30 36 N

0 04 12 E

Controlled by signal station.

1182.9

2-0815

Villerville. RDF 49 23 12 N

0 06 30 E

Controlled by signal station. Day

service only.

1183

2-0815

Port-en-Bessin. RDF 49 21 06 N

0 46 18 W

Controlled by signal station.

1183.05

2-0815

Saint-Vaast. RDF 49 34 30 N

1 16 30 W

Controlled by signal station. Day

service only from Jun. 1 to Sep. 30.

1183.1

2-0815

Barfleur. RDF 49 41 54 N

1 15 54 W

Controlled by signal station.

1183.2

2-0815

Homet. RDF 49 39 30 N

1 37 54 W

Controlled by lookout station.

(1)

No.

(2)

Name

(3)

Type

(4)

Position

Rx Tx

(5)

Frequency

(6)

Range

(7)

Procedure

(8)

Remarks
RADIO DIRECTION FINDER AND RADAR STATIONS

1 - 13

1183.25

2-0815

La Hague. RDF 49 43 36 N

1 56 18 W

Controlled by signal station. Day

service only.

1183.3

2-0815

Carteret. RDF 49 22 24 N

1 48 18 W

Controlled by signal station.

1183.35

2-0815

Le Roc. RDF 48 50 06 N

1 36 54 W

Controlled by signal station. Day

service.

1183.45

2-0815

Le Grouin

(Cancale).

RDF 48 42 36 N

1 50 36 W

Controlled by signal station. Day

service only from Jun. 1 to Sep. 15.

1183.5

2-0815

Saint-Cast. RDF 48 38 36 N

2 14 42 W

Controlled by signal station. Day

service only.

1183.55

2-0815

S. Quay Portrieux. RDF 48 39 18 N

2 49 30 W

Controlled by signal station.

1183.6

2-0815

Brehat. RDF 48 51 18 N

3 00 06 W

Controlled by signal station. Day

service only.

1183.65

2-0815

Ploumanach. RDF 48 49 30 N

3 28 12 W

Controlled by signal station.

1183.7

2-0815

Batz. RDF 48 44 48 N

4 00 36 W

Controlled by signal station. Day

service only.

1183.75

2-0815

Brignogan. RDF 48 40 36 N

4 19 42 W

Controlled by signal station.

1183.8

2-0815

Le Stiff (Ile

d'Ouessant).

RDF 48 28 36 N

5 03 06 W

Controlled by CROSS-Corsen.

1183.85

2-0815

Saint-Mathieu. RDF 48 19 48 N

4 46 12 W

Controlled by lookout station.

1183.9

2-0815

Toulinguet

(Camaret).

RDF 48 16 48 N

4 37 30 W

Controlled by signal station. Day

service only.

1183.95

2-0815

Cap de la Chevre. RDF 48 10 12 N

4 33 00 W

Controlled by signal station. Day

service only.

1184

2-0815

Pointe du Raz. RDF 48 02 18 N

4 43 48 W

Controlled by signal station.

1184.05

2-0815

Penmarc'h. RDF 47 47 54 N

4 22 24 W

Controlled by signal station.

1184.1

2-0815

Beg-Meil. RDF 47 51 18 N

3 58 24 W

Controlled by signal station. Day

service only.

1184.15

2-0815

Etel. RDF 47 39 48 N

3 12 00 W

Controlled by CROSS.

1184.2

2-0815

Beg Melen. RDF 47 39 12 N

3 30 06 W

Controlled by signal station. Day

service only.

(1)

No.

(2)

Name

(3)

Type

(4)

Position

Rx Tx

(5)

Frequency

(6)

Range

(7)

Procedure

(8)

Remarks
RADIO DIRECTION FINDER AND RADAR STATIONS

1 - 14

1184.3

2-0815

Saint-Julien. RDF 47 29 42 N

3 07 30 W

Controlled by signal station. Day

service only.

1184.4

2-0815

Le Talut. RDF 47 17 42 N

3 13 00 W

Controlled by signal station.

1184.45

2-0815

Piriac. RDF 47 22 30 N

2 33 24 W

Controlled by signal station. Day

service only.

1184.5

2-0815

Chemoulin. RDF 47 14 06 N

2 17 48 W

Controlled by signal station.

1184.55

2-0815

Saint-Sauveur. RDF 46 41 42 N

2 18 48 W

Controlled by signal station.

1184.6

2-0815

Les Baleines. RDF 46 14 36 N

1 33 42 W

Controlled by signal station. Day

service only.

1184.65

2-0815

Chassiron. RDF 46 02 48 N

1 24 30 W

Controlled by signal station.

1184.75

2-0815

Pointe de Grave. RDF 45 34 18 N

1 03 54 W

Controlled by signal station.

1184.8

2-0815

Cap Ferret. RDF 44 37 30 N

1 15 00 W

Controlled by signal station.

1184.82

2-0815

Messanges. RDF 43 48 48 N

1 24 00 W

Controlled by signal station. Day

service only.

1184.85

2-0815

Socoa. RDF 43 23 42 N

1 41 06 W

Controlled by signal station.

1185.5

2-1040

La Garde. RDF 43 06 18 N

5 59 30 E

Controlled by CROSS.

1185.6

2-1040

Cap Bear. RDF 42 30 48 N

3 08 00 E

Controlled by signal station.

1185.7

2-1040

Cap Leucate. RDF 42 55 06 N

3 03 42 E

Controlled by signal station.

1185.8

2-1040

Sete. RDF 43 29 54 N

3 41 30 E

Controlled by signal station.

1185.9

2-1040

L'Espiguette. RDF 43 23 54 N

3 41 36 E

Controlled by signal station.

1186

2-1040

Cap Couronne. RDF 43 20 06 N

5 03 18 E

Controlled by signal station.

1186.2

2-1040

Bec de L'Aigle. RDF 43 10 30 N

5 34 36 E

Controlled by signal station. Day

service only.

1186.3

2-1040

Cap Cepet. RDF 43 04 48 N

5 56 30 E

Controlled by lookout station.

1186.4

2-1040

Porquerolles. RDF 43 00 00 N

6 13 42 E

Controlled by signal station.

(1)

No.

(2)

Name

(3)

Type

(4)

Position

Rx Tx

(5)

Frequency

(6)

Range

(7)

Procedure

(8)

Remarks
RADIO DIRECTION FINDER AND RADAR STATIONS

1 - 15

1186.5

2-1040

Cap Camarat. RDF 43 12 06 N

6 40 30 E

Controlled by signal station.

1186.6

2-1040

Cap du Dramont. RDF 43 24 48 N

6 51 12 E

Controlled by signal station. Day

service only.

1186.7

2-1040

La Garoupe. RDF 43 34 00 N

7 08 12 E

Controlled by signal station.

1186.8

2-1040

Cap Ferrat. RDF 43 41 12 N

7 19 30 E

Controlled by signal station.

1186.9

2-1040

Cap Corse. RDF 43 00 18 N

9 21 36 E

Controlled by signal station. Day

service only.

1187

2-1040

Ile Rousse. RDF 42 37 54 N

8 55 24 E

Controlled by signal station. Day

service only.

1187.1

2-1040

La Parata. RDF 41 54 06 N

8 36 48 E

Controlled by signal station. Day

service only.

1187.2

2-1040

Pertusato. RDF 41 22 24 N

9 10 42 E

Controlled by signal station.

1187.3

2-1040

La Chiappa. RDF 41 35 36 N

9 21 54 E

Controlled by signal station.

1187.4

2-1040

Alistro. RDF 42 15 36 N

9 32 30 E

Controlled by signal station.

1187.5

2-1040

Sagro. RDF 42 47 48 N

9 29 24 E

Controlled by signal station.

BULGARIA

1187.61

2-1282

Nos Galata Lt. RDF 43 10 17 N

27 56 49 E

297.5 kHz, A2A. 5 On request to Hydrographic

Service, Varna.

Transmits DG.

PAKISTAN

1188

2-2147

Karachi (ASK). RDF 24 52 44 N

67 09 50 E

24 51 05 N

67 02 32 E

A. 410, 500 kHz, A1A.

B. 410, 500 kHz, A1A.

C. 410, 500 kHz, A1A,

A2A, 1.5 kW.

CALIBRATED SECTOR: 360°.

(1)

No.

(2)

Name

(3)

Type

(4)

Position

Rx Tx

(5)

Frequency

(6)

Range

(7)

Procedure

(8)

Remarks
RADIO DIRECTION FINDER AND RADAR STATIONS

1 - 16

PART II RADAR STATIONS

110A. Coast and Port Radar Station List

Details concerning shore-based radar stations rendering

navigational assistance to ships on request are given in the

listings which follow. These stations are indicated on

charts by the abridged description: Ra.

These stations provide information of interest to the

mariner. They have a limited range of transmission and

usually broadcast traffic, navigational, weather and other

information concerning only their port limits and

approaches. The provision of such information does not

relieve the Master of his responsibility for the safe

navigation of his ship.

Mariners are warned that port radar stations may

suspend operation without notice for varying periods

because of minor defects, maintenance work, etc.

Many of these stations provide radar information in

conjunction with Vessel Traffic Service (VTS) operations.

In many ports participation in VTS may be compulsory for

certain classes of vessels. For further information on VTS

in specific ports, refer to National Ocean Service Coast

Pilots (NOSPBCP1 - 9), NGA Sailing Directions (SDPUB

or CDPUBSD 120 - 200), and other applicable guides.
RADIO DIRECTION FINDER AND RADAR STATIONS

1 - 17

(1)

No.

(2)

Name

(3)

Type

(4)

Position

Rx Tx

(5)

Frequency

(6)

Range

(7)

Procedure

(8)

Remarks

RUSSIA

1190 Sankt-Peterburg. RA Ch.12. Call Sankt-Peterburg Radio-12. Vessels can obtain assistance

between sea buoy and heads of

Severnaya and Yuzhnaya Dambas.

1192 Novorossiysk. RA Ch.09,95. Call Novorossiysk 17. Continuous radar guidance is

compulsory for vessels over 200 GRT.

Covers area N of 44-37.7N, between

37-48.0E 37-52.9E.

1194 Nakhodka. RA Ch.12,16. Call Traffic Control Center

(Kamenskiy 17).

Mandatory radar control of vessels N

of line joining 42-44.0N 132-51.6E and

42-42.9N 132-59.9E.

1196 Murmansk. RA Ch.12,18,67. Call Coast Radar Station

(Murmansk Radio 9).

When visibility is less than 0.5M,

navigation will only be conducted

under radar control. Covers area S of

60-02.7N and should be requested 2

hrs. in advance.

LATVIA

1198 Ventspils. RA Ch.14,16. Call Radio 9. Compulsory when visibility is less than

2M or vessel is over 150m in length or

12000 DWT.

LITHUANIA

1199 Klaipeda. RA Ch.09. Call Radio 17. Compulsory when visibility is less than

0.5M or for ferries, tankers, vessels

with dangerous cargos and vessels

constrained by their draft.

POLAND

1200 Leba. RA Ch.12,16. Call Leba Port Radar. Covers area of port and roads.

1201 Darlowo. RA Ch.12,16; or Witowo

Radio (SPS) 2182kHz.

Call Darlowo Port Radar

Station.

1202 Kolobrzeg. RA Ch.12,16. Call Kolobrzeg Port Radar

Station.

Covers area of port and roads.

SWEDEN

1203 Goteborg. RA Ch.09,13,16. Call Goteborg Trafik. Available on request for large tankers

and other vessels with defective radar

in poor visibility. Covers the area

seaward of Alvsborgsbron (57-41.5N

11-54.2E).

NORWAY

1204 Fedje. RA Ch.16,80. Compulsory for all vessels over 200

GRT or 24m. in length (including tows)

or carrying dangerous cargos.

Permission to navigate within the VTS

area should be obtained at least 1 hr.

before entering the area. Covers the

approaches of the Sture and

Mongstad oil terminals.
RADIO DIRECTION FINDER AND RADAR STATIONS

1 - 18

GERMANY

1205 Die Elbe. RA Cuxhaven Control:

Elbe Approach West

Ch.65.

Elbe Approach East

Ch.19.

Scharhorn Ch.18.

Neuwerk Ch.05.

Cuxhaven Ch.21.

Belum Ch.03.

Brunsbuttel Control:

Brunsbuttel I Ch.04. II

Ch.67.

S. Margarethen Ch.18.

Freiburg Ch.22

Rhinplatte Ch.05

Pagensand Ch.66

Hetlingen Ch.21

Wedel Ch.60.

Call Cuxhaven Elbe Traffic on

Ch.71,16; Brunsbuttel Elbe

Traffic on Ch.68,16; or the

appropriate Control Area.

Radar information provided on

request. Vessels exempt from

compulsory pilotage should use this

service when visibility is less than

2000m (on the Lower Elbe, W of

Seemannshoft, less than 3000m).

1210 Hamburg. RA Light buoy No.123 to 129

Ch.19.

Light buoy No.129 to

Seemannshoft Ch.03.

Seemannshoft to

Vorhafen Ch.63.

Parkhafen to Kuhwerder

Vorhafen Ch.07.

Kuhwerder Vorhafen to

Norderelbbrucke Ch.05.

Kohlbrand to Harburger

harbors Ch.80.

Call Cuxhaven Elbe Traffic on

Ch.71; Brunsbuttel Elbe Traffic

on Ch.68; or Hamburg Radar.

Radar service provided on request.

Vessels exempt from compulsory

pilotage should use this service when

visibility is less than 2000m (W of

Seemannshoft, less than 3000m).

1215 Die Weser. RA Alte Weser Ch.22.

Hohe Weg I,II Ch.02.

Robbenplate I,II Ch.04.

Blexen Ch.07.

Luneplate I Ch.05. II

Ch.82.

Dedesdorf Ch.82.

Sandstedt Ch.21.

Harriersand I Ch.21. II

Ch.19.

Elsflether Ch.19.

Ronnebeck,

Ritzenbutteler,

Schonebecker Ch.78.

Ochtumer, Seehausen,

Lankenau Ch.81.

All stations Ch.16.

Call Bremerhaven Weser

Radar or Bremen Weser

Radar on Ch.16.

Radar information is provided on

request or if instructed by the VTS

Center (in German and English).

Radar service is provided when

visibility is less than 3000m

(Bremerhaven Weser) or 2000m

(Bremen Weser); when pilot vessel is

in a sheltered position; when light

buoys are withdrawn due to ice; when

required by traffic situation or when

requested by a vessel. VTS

compulsory for all vessels over 50m in

length and all vessels carrying

dangerous cargo.

1216 Die Jade. RA Jade I,II: Light buoy

1b/Jade 1 to 33 Ch.63.

Light buoy 33 to 60 Ch.20.

Call Jade Radar Ch.16. Radar information provided when

visibility is less than 3000m; when pilot

vessel is in a sheltered position; when

light buoys are withdrawn due to ice;

when required by traffic situation or

when requested by a vessel. VTS

compulsory for vessels (including

tows) over 50m in length and all

vessels carrying dangerous cargo.

1217 Die Ems. RA Borkum: Light buoy No.1

to 35 Ch.18.

Knock: Light buoy No.35

to 57 Ch.20.

Wybelsum: Light buoy

No.57 to Emden harbor

entrance Ch.21.

Call Ems Traffic. Radar information is provided on

request or if instructed by the VTS

Center (in German and English).

Radar service is provided when

visibility is less than 2000m; when pilot

vessel is in a sheltered position; when

light buoys are withdrawn due to ice;

when required by traffic situation or

when requested by a vessel. VTS

compulsory for all vessels over 40m in

length and all vessels carrying

dangerous cargo.

(1)

No.

(2)

Name

(3)

Type

(4)

Position

Rx Tx

(5)

Frequency

(6)

Range

(7)

Procedure

(8)

Remarks
RADIO DIRECTION FINDER AND RADAR STATIONS

1 - 19

NETHERLANDS

1218 Eemshaven. RA Ch.19. Available on request of the

pilot 1 hr. in advance to

Verkeersdienst Eemsmonding

on Ch.14 or Delfzijl Pilot

Vessel on Ch.06,16. Call

Eemshaven Radar.

Covers Lt buoy 31 or 35 to

Eemshaven.

1218.5 Delfzijl. RA Ch.66. Requests should be made by

the master of any sea going or

inland vessel through the VHF

Channel appropriate for the

port. Call Delfzijl Radar.

When visibility falls below 2000m

within the jurisdiction of the Delfzijl

VTS area. Under special

circumstances assistance can be

given when visibility is good, for

example if navigational aids are not

working correctly.

1219 Den Helder. RA Ch.12. Call Yerkeerscentrale, Den

Helder.

Vessels equipped with VHF are

requested to participate. Vessels

should make notification when

navigating in area or passing

Moormanbrug.

1220 Ijmuiden. RA West of Ijmuiden light

buoy Ch.12.

Ijmuiden light buoy to

North Sea Locks Ch.09.

Call Traffic Center Ijmuiden

west of Ijmuiden light buoy;

call Ijmuiden Port Control from

Ijmuiden light buoy to North

Sea Locks.

Radar information provided to vessels

within 13M of Ijmuiden light buoy

(52-28.7N 04-23.9E) which do not

have a pilot aboard.

1225 Scheveningen. RA Ch.21. 9.5 Call Radar Scheveningen. In reduced visibility vessels may

request information on their position

and traffic.

1226 Dordrecht. RA Ch.19. Call Post Dordrecht.

Nieuwe (Rotterdamsche) Waterweg is covered by the following five Radar Stations. The Traffic Management and Information

Service is compulsory for all vessels navigating in the area. Inbound vessels with draft 20.7m and over should make notification to

HCC Rotterdam through Scheveningen (PCH) 24 hrs. in advance. Vessels with draft 17.4m and over navigat- ing Nieuwe

Waterweg should make notification to Traffic Center Hook through Scheveningen 6 hrs. in advance; vessels 250m and over 4 hrs.

in advance. Inbound vessels with dangerous cargo should report to Central Traffic Control (HCC) 24 hrs. in advance (1 hr. in

advance of unberthing). All other vessels should make notification to Hoek van Holland 3 hrs. in advance of arrival and notify their

area Radar Station 1 hr. in advance of unberthing.

1230 Hoek van Holland

(VCH).

RA Ch.01,02,03,13,65, 66;

2182kHz.

Call Traffic Center Hoek van

Holland.

Covers Maas Traffic Separation

Schemes, Europoort and Nieuwe

Waterweg to Kilometer Post 1023.

1231 Botlek (VCB). RA Ch.13,61,80. Call Traffic Center Botlek. Covers Nieuwe Waterweg to Kilometer

Post 1011 Nieuwe Maas, 1005 Oude

Maas.

1232 Hartel (VPH). RA Ch.62. Call Traffic Center Hartel. Covers Oude Maas to Buoy O12 and

Hartelkanal.

1233 Stad (VCS). RA Ch.13,60,63. Call Traffic Center Stad. Covers Nieuwe Maas to Kilometer

Post 998.

1234 Maasboulevard

(VPM).

RA Ch.21,81. Call Traffic Center

Maasboulevard.

Covers Nieuwe Maas to Kilometer

Post 993.

(1)

No.

(2)

Name

(3)

Type

(4)

Position

Rx Tx

(5)

Frequency

(6)

Range

(7)

Procedure

(8)

Remarks
RADIO DIRECTION FINDER AND RADAR STATIONS

1 - 20

UNITED KINGDOM

1237 Lerwick. RA Ch.12. Call Lerwick Harbour Radio. Vessels should report at N and S

Entrances. Covers N Entrance, S

Entrance and Inner Harbour.

1240 Sullom Voe

Harbour.

RA Ch.14,16. Call Sullom Voe Harbour

Radio.

Vessels arriving should make

notification 24 hrs. in advance. Covers

Yell Sound and Sullom Voe. VHF

reception is poor W and N of Yell

Sound.

1245 Tees. RA Ch.14,22. 10 Call Tees Harbour Radio. All vessels navigating when "Channel

Closed" signals are displayed or when

visibility is less than 1000m must

obtain prior permission from Harbour

Master; all vessels with dangerous

cargo must make 24 hr. advance

notification; all vessels over 20m must

make 6 hrs. advance notification.

Covers Tees Bay, Tees River to tidal

limits and Hartlepool.

1250 Medway. RA Ch.22. Call Medway Radio. All inbound vessels should contact

Medway Navigation Service 24 hrs. in

advance; outbound vessels should

make 1 hr. advance notification.

1254 Gravesend Radio. RA Thames seaward

approaches to Sea

Reach No.4 light buoy

Ch.13.

Sea Reach No.4 light

buoy to Crayford Ness

Ch.12.

Secondary Ch.09,16,

18,20.

Call Port Control London or

Gravesend Radio.

Inbound and outbound vessels should

make notification 24 hrs. in advance.

Covers Thames R. from Erith to

seaward limits of the Port of London.

1255 Woolwich Radio. RA Ch.14,16,22. Inbound and outbound vessels should

make notification 24 hrs. in advance.

Covers Thames R. from Crayford

Ness to Greenwich.

1262 Harwich. RA Ch.14,20. Inbound and outbound vessels should

make notification 24 hrs. in advance.

1265 Southampton

Vessel Traffic

Services Centre.

RA Ch.16(calling).

Ch.18,20,22 (working).

Call Southampton VTS. Compulsory for vessels 20m or over.

Inbound vessels should contact VTS

on Ch.12 when approaching the Nab

or the Needles. Covers the Solent and

Southampton waters.

1270 Liverpool. RA Ch.18,22.

Ch.19(tankers to or from

Tranmere).

Call Mersey Radio. Vessels over 50 GRT carrying

dangerous cargo should make

notification 48 hrs. in advance of

arrival/departure. All other vessels

over 50 GRT should make notification

24 hrs. in advance of arrival and 4 hrs.

in advance of departure. Covers River

Mersey including Liverpool,

Birkenhead, Eastham and Garston.

(1)

No.

(2)

Name

(3)

Type

(4)

Position

Rx Tx

(5)

Frequency

(6)

Range

(7)

Procedure

(8)

Remarks
RADIO DIRECTION FINDER AND RADAR STATIONS

1 - 21

FRANCE

1273 Dunkerque. RA Dunkerque Pilots:

Ch.16 (calling).

Ch.72 (working).

Dunkerque Port:

Ch.73.

Call Dunkerque Pilots or

Dunkerque Port.

Radar coverage of the pilot

embarkation zone at the entrance to

the Passe de l'Ouest is provided by

the Pilot Station (50-59.2N 01-58.0E).

Radar coverage of the access

channels is provided by the port.

1274 Gris-Nez (CROSS). RA Ch.13,79. Call Gris-Nez Traffic. Radar assistance provided on request.

Two radar stations at Gris-Nez

(50-52.2N 01-35.1E) and Saint-Frieux

(50-36.6N 01-36.6E) provide coverage

extending approximately SW up to

00-30E and NE up to 30 miles from

Gris-Nez.

1275 Le Havre. RA Ch.12. Call Havre Port. Radar assistance provided on request

in poor visibility for Le Havre or Antifer.

The area of radar coverage is a

circular zone 12.5 miles radius

centered on 49-39.0N 00-08.0W

(approx.). Inbound vessels should

make notification 48 hrs. in advance.

Outbound vessels should make

notification 24 hrs. in advance.

1280 La Seine. RA Ch.13,73. Call Honfleur Radar. Radar assistance provided in poor

visibility and on request. The area of

radar coverage extends to 20 miles W

of Radar Honfleur (49-25.7N

00-14.1E) up to 00-36.2E.

1285 Rouen. RA Ch.13,73. Call Radar Honfleur. Radar assistance provided in poor

visibility and on request. Coverage

area extends to 20 miles W of Radar

Honfleur (49-25.7N 00-14.1E) up to

00-36.2E.

1287 Corsen (CROSS). RA Ch.13,79. Call Ouessant Traffic. Coverage area is a circular zone up to

35 miles from Le Stiff Radar Tower

(48-28.6N 05-03.1W).

1288 La Loire. RA Ch.12. Call Saint-Nazaire Port. Radar assistance provided on request.

Coverage area from the pilot boarding

point (47-07.5N 02-21.5W) to

Saint-Nazaire Roads.

1290 La Gironde. RA Ch.16 (calling).

Ch.12,14 (working).

Call Radar Verdon 3 hrs. in

advance of ETA on Ch. 12.

Covers La Gironde and approaches (a

circular zone 34 miles radius centered

on (45-39.8N 01-07.2W). Radar

information is supplied on Ch. 12 or 14

for the area between BXA lightbuoy

and Le Verdon's roads. Notification of

arrival should be made 48 hrs. in

advance to Bordeaux Traffic through

agent, 24 hrs. and 12 hrs. in advance

direct to Bordeaux Traffic.

PORTUGAL

1295 Aveiro. RA Ch.14,16. Call Pilotosaveiro. In bad weather pilot vessel assists

vessel's approach to harbor entrance.

Arrival notification should be made 6

hrs. in advance.

(1)

No.

(2)

Name

(3)

Type

(4)

Position

Rx Tx

(5)

Frequency

(6)

Range

(7)

Procedure

(8)

Remarks
RADIO DIRECTION FINDER AND RADAR STATIONS

1 - 22

SPAIN

1300 Strait of Gibraltar. RA Ch.10,16. 19 Call Tarifa Traffic. Tarifa Vessel Traffic Service is

compulsory for VHF-equipped vessels

which are Spanish flag, intend to enter

Spanish territorial seas, have

dangerous cargo or limitations to

maneuverability or navigation. Vessels

should call when within 21M of Tarifa

(36-01.1N 05-34.8W) or on leaving a

port within that area.

UKRAINE

1305 Odessa. RA Ch.14,16. Call Odessa Port Control.

1310 Yuzhnyy. RA Ch.16,74. Call Yuzhnyy Radio 5.

1315 Mariupol

(Zhdanov).

RA Ch.14,16. Call Zhdanov Radio 1. Provides radar assistance in restricted

visibility and in the absence of

navigational aids. Covers from

approach channel buoys 15 and 16 to

berths in Port Zhdanov.

MOROCCO

1320 Casablanca. RA Ch.12. Call CNP2. Vessels should send notification of

arrival to the Port Captain through

Casablanca (CNP) 24 hrs. in advance.

THAILAND

1480 Laem Chabang. RA 500kHz,A1A,A2A;2182

kHz,A3E,H3E;Ch.13,

14,16.

Pilotage is compulsory. ETA should be

sent 24 hrs. in advance.

Radar-equipped VTS station is located

at Laem Krabang Hill.

REPUBLIC OF KOREA

1520 Busan. RA Ch.12,14,16,20,22. Call Busan Port Control. Radar assistance is available during

limited visibility.

JAPAN

1530 Osaka. RA 2182,2130,2150,

2394.5kHz,H3E,J3E;

Ch.14,16,22.

8 Call Osaka Harbor Radar. Information on position, traffic and

weather provided for area within 4M of

Osaka Central Pier (within 8M for

vessels over 1000 GRT).

1540 Kanmon Kaikyo. RA 1651kHz,H3E;Ch.13,

14,16,22.

Call Kanmon MARTIS. All vessels should report on entering

the Radar Service Area. Covers

Kanmon Kaikyo, including W and E

approaches and area N and E of

Mutsure Shima.

1550 Bisan Seto. RA 1651kHz,H3E;Ch.13,

14,16,22.

Call Bisan MARTIS. All vessels should report on entering

the Radar Service Area. Covers all

traffic routes between 133-37.5E and

133-55E except Bisan Seto N traffic

route W of Takami Shima.

1555 Nagoya. RA 1665kHz,H3E;Ch.14,

16,22.

11 Call Nagoya Harbor Radar. All vessels should report on entering

the Radar Service Area. Covers

Nagoya port, including its approaches.

(1)

No.

(2)

Name

(3)

Type

(4)

Position

Rx Tx

(5)

Frequency

(6)

Range

(7)

Procedure

(8)

Remarks
RADIO DIRECTION FINDER AND RADAR STATIONS

1 - 23

1560 Tokyo Wan. RA 1665kHz,H3E;Ch.13,

14,16,22.

Call Tokyo MARTIS. All vessels over 100 GRT or carrying

more than 30 people should report

when entering the Radar Service

Area. Covers Tokyo Wan N of 35-10N.

1570 Kushiro. RA 2182,2150,2245,

2394.5,2785.9kHz,

H3E,J3E;Ch.14,16, 22.

10 Call Kushiro Harbor-Radar. Radar assistance provided within 2M

of 42-58.0N 144-22.6E (within 10M for

vessels over 1000 GRT).

NEW ZEALAND

1625 Auckland. RA 2182,2012kHz,H3E, J3E;

Ch.12,16.

45 Provides vessel's range and bearing

from Signal Station (36-51S 174-49E)

in restricted visibility. Vessels over 100

NRT should make notification 24 hrs.

in advance of arrival.

1630 Otago Harbour. RA 2182,2012,2045,2129,

2162,4125,4417,

6215,6224kHz,H3E,

J3E;Ch.12,14,16.

20 Call ZMH32 (Taiaroa Head). Provides range and bearing from

Taiaroa Head Signal Station (0.1M S

of lighthouse) in restricted visibility.

Vessels over 100 NRT should make

notification 72 hrs. in advance of

arrival, through Wellington (ZLW) or

Awarua (ZLB).

1635 Wanganui. RA 2012,2045,2162,2182,

4125,4417,6215,

6224kHz,H3E,J3E;

Ch.09,12,14,16,67, 69.

20 Call Wanganui Harbour Radio

(ZMH211).

Provides range and bearing from Pilot

Station (39-56.9S 174-59.5E).

1640 Westport. RA 2012,2045,2162,2182,

4125,4417kHz,H3E,

J3E;Ch.12,16.

15 Provides range and bearing from

Signal Station (41-44.9S 171-35.7E) in

restricted visibility. Vessels should

make notification 12 hrs. in advance of

arrival.

AUSTRALIA

1665 Port Hedland. RA Ch.06,08,09,12,13, 16,67. 64 Provides range and bearing from

Control Tower (20-19.0S 118-34.5E).

All foreign vessels and Australian

vessels over 6500 GRT should make

notification 48 hrs. in advance of

arrival.

1675 Port Dampier. RA Ch.11,13,16,68,78, 79.

Ch.67(emergency).

Call Dampier Port Control. Provides range and bearing from Port

Control (20-37.2S 116-45.0E). All

vessels over 150 GRT should make

notification of arrival 72 hrs. in

advance (7 days for vessels arriving

from overseas.

(1)

No.

(2)

Name

(3)

Type

(4)

Position

Rx Tx

(5)

Frequency

(6)

Range

(7)

Procedure

(8)

Remarks
RADIO DIRECTION FINDER AND RADAR STATIONS

1 - 24

UNITED STATES

United States VTS Vessel Movement Reporting System (VMRS) rules, VTS frequency monitoring requirements and General VTS

operating rules are mandatory for power-driven vessels 40 meters or more in length, vessels certificated to carry 50 or more

passengers for hire, and towing vessels 8 meters or more in length engaged in towing. VTS frequency monitoring requirements

and General VTS operating rules are mandatory for vessels covered by the Vessel Bridge-to-Bridge Radiotele- phone Act.

1720 New York, NY. RA Ch.11,12,13,14,16. Call New York Traffic. Vessels should make notification 15

mins. before navigating within the VTS

area and upon entering or getting

underway within the VTS area. Covers

the Upper New York Bay E to the

Brooklyn Bridge in the East River and

N to 40-43.7N and 74-01.6W in the

Hudson River, and includes the Kill

Van Kull S to the AK Railroad Bridge,

Newark Bay N to the Lehigh Valley

Draw Bridge, and portions of the

Lower New York Bay S to the entrance

buoys at Ambrose, Sandy Hook, and

Swash Channels.

1730 Berwick Bay, LA. RA Ch.11,13,16. Vessels should make notification 15

mins. before navigating within the VTS

area and upon entering or getting

underway within the VTS area. Covers

various Intracoastal Waterway Routes

converging at Berwick and Morgan

City.

1735 LOOP Deepwater

Port (Louisiana

Offshore Oil Port).

RA Ch.10,16,74. Call LOOP Radar. Compulsory for all vessels; tankers

must report to COTP and Vessel

Traffic Supervisor 24 hrs. before

arrival. Covers vicinity of port

(28-53.2N 90-01.5W), anchorage and

safety fairway to SE and S.

NOTE: LOOP Deepwater Port is not a VTS.

1740 Houston-Galveston

, TX.

RA Ch.11,12,13,16. Call Houston Traffic. Vessels should make notification 15

mins. before navigating within the VTS

area and upon entering or getting

underway within the VTS area. Covers

the Galveston Bay Channels and

Houston Ship Channel to the Houston

Turning Basin.

1750 San Francisco, CA. RA Ch.12,13,14,16. Call San Francisco Traffic. Vessels should make notification 15

mins. before navigating within the VTS

area and upon entering or getting

underway within the VTS area. Covers

the waters of San Francisco Bay and

its approaches S of 38N, E of

123-07W and N of 37-27N, and its

tributaries as far as Stockton and

Sacramento.

1760 Puget Sound, WA. RA Ch.05A,13,14,16. Call Seattle Traffic. Vessels should make notification 15

mins. before navigating within the VTS

area and upon entering or getting

underway within the VTS area. Covers

the Strait of Juan de Fuca E of

124-40W, Rosario Strait, the San Juan

Islands, Admiralty Inlet, and Puget

Sound.

NOTE: Puget Sound Vessel Traffic Service is one sector of a Cooperative Vessel Traffic Management System (CVTMS), which is a

joint U.S. and Canadian vessel traffic management effort. Canada administers the two remaining sectors of CVTMS.

(1)

No.

(2)

Name

(3)

Type

(4)

Position

Rx Tx

(5)

Frequency

(6)

Range

(7)

Procedure

(8)

Remarks
RADIO DIRECTION FINDER AND RADAR STATIONS

1 - 25

1770 Prince William

Sound, AK.

RA Ch.13,16. Call Valdez Traffic. Vessels should make notification 15

mins. before navigating within the VTS

area and upon entering or getting

underway within the VTS area. Covers

Prince William Sound North of Cape

Hinchinbrook, including Valdez Arm,

Valdez Narrows and Port Valdez.

COLOMBIA

1850 Puerto Covenas,

Floating Storage

Unit.

RA Ch.10,13,16. Call FSU Covenas. Compulsory for all vessels. Vessels

should contact FSU 30M from terminal.

CHILE

1895 Valparaiso. RA 2182,2738kHz,H3E, J3E;

4143.6kHz,J3E;

Ch.09,14,16.

Call CBV 20 (Port Captain). Radar assistance provided on request

in fog.

1900 Primera

Angostura.

RA Ch.11,13,16,68. Eastbound vessels requiring

radar assistance should call

Magallanes Zonal Radio

(CBM), Ch.16, when abeam

Punta Arenas, or call CBM5

(Punta Delgada), Ch.68,11,13,

when 20M from Punta Baxa.

Westbound vessels should call

Magallanes 24 hrs. before

arrival at 52-35.0S 68-10.5W,

or call CBM71 (Punta

Dungeness), Ch.16, or CBM72

(Cabo Espiritu Santo), Ch.16,

when 20M from that point.

Covers area between Banco Triton

and E approaches to the Strait of

Magellan.

(1)

No.

(2)

Name

(3)

Type

(4)

Position

Rx Tx

(5)

Frequency

(6)

Range

(7)

Procedure

(8)

Remarks
2 - 1

CHAPTER 2

RADIO TIME SIGNALS

200A. General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

200B. The United States System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

200C. The Old International (ONOGO) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

200D. The New International (Modified ONOGO) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

200E. The English System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

200F. The BBC System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

200G. Codes for the Transmission of UTC Adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

200H. Shortwave Services Provided by the National Institute of Standards and

Technology WWV-WWVH Broadcasts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

Station List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
2 - 3

CHAPTER 2

RADIO TIME SIGNALS

200A. General

The system of Coordinated Universal Time (UTC),

described fully in “The American Practical Navigator”

(Bowditch) (NVPUB9), came into use on 1 January 1972.

Most countries have agreed to use the revised transmission

procedures recommended by the the International

Telecommunications Union-Radiocommunications Sector

(ITU-R). Users are advised that some stations not

specifically operating in the Standard Frequency and Time

Signal Services may not be able to conform exactly to the

current recommendations.

Stations use various systems to broadcast time signals.

The more commonly used systems are described below

and referred to in the station listings at the end of this

chapter. Special systems are described under their

respective stations.

ACCURACY OF SIGNALS: The majority of radio time

signals are transmitted automatically and are referenced to

standards at the various national standards labs such as the

National Institute of Standards and Technology (NIST) in

the U.S. Absolute reliance may be had in these signals;

they should be correct to 0.05 second. Some stations

transmit by a combination of manual and automatic

signals. Care should be exercised to differentiate between

the two at the time of actual comparison to a chronometer.

Other radio stations, however, have no automatic

transmission system installed. In this instance, the operator

is guided by the standard clock at the station. The clock is

checked by either astronomical observations or by reliable

time signals. The hand transmission should be correct to

0.25 second.

STATIONS MUST AVOID INTERFERENCE: During

the transmission of time signals, stations are prohibited

from making any transmissions which might interfere with

the reception of these signals.

HIGH PRECISION: For ordinary navigational purposes

no special precautions need be observed in receiving the

signals other than to avoid those signals which are marked

in the station schedule as unsatisfactory for navigational

purposes.

200B. The United States System

The transmission of signals begins at 55 minutes, 0

seconds of a given hour and continues for 5 minutes.

Signals are transmitted on every second during that time,

except that there is no signal on the 29th second of any

minute, nor on certain seconds at the ends of the minutes,

as shown in the diagram.

The dashes in the diagram indicate seconds on which

signals are transmitted. The seconds marked “60” are the

zero seconds of the following minutes. The dash on the

beginning of the hour (shown as 59 minutes, 60 seconds) is

much longer than the others.

In all cases, the beginning of the dash indicates the

beginning of the second; the end of the dash is without

significance.

Note that the number of dashes sounded in the group at

the end of any minute indicates the number of minutes of

the signal yet to be sent.

200C. The Old International (ONOGO) System

The time signal is usually preceded by a preparatory

signal, described where necessary in the station listings.

The signal itself is described in the following table. In

the transmission of the ONOGO signals, each dash (–) =1

second and each dot (•) = 0.25 second.

200D. The New International (Modified ONOGO)

System

This is identical to the old system except that six dots are

sent at the 55th through 60th seconds of each minute

(instead of the old system of three 1 second dashes that

commenced at the 55th, 57th, and 59th seconds), which

constitute the time signals.

200E. The English System

The time signal on the hour is preceded by 5 minutes of

a preparatory signal consisting of a 0.1 second dot at each

second, 1 through 59, and a 0.4 second dash at each exact

minute. The beginning of each dot or dash is the time

reference point.

200F. The BBC System

The time signal on the hour is preceded by five 0.1

second dots sent at seconds 55 through 59. The hour

marker is a 0.5 second dash. The beginning of each dot or

dash is the time reference point.
RADIO TIME SIGNALS

2 - 4

The United States System

Minute Second

50 51 52 53 54 55 56 57 58 59 60

55 – –––– –

56 –– ––– –

57 ––– –– –

58 –––– – –

59 – —

Old International (ONOGO) System

Signal Times Morse Symbols

m. s. m. s.

Letter X sent once

every 10 seconds

57 00 to 57 49 – • • – – • • – – • • – – • • – – • • –

Letter O 57 55 to 58 00 –––

Letter N sent once

every 10 seconds

58 08 to 58 10 – • – • – • – • – •

Letter O 58 55 to 59 00 –––

Letter G sent once

every 10 seconds

59 06 to 59 10 – – • – – • – – • – – • – – •

Letter O 59 55 to 60 00 –––

New International (Modified ONOGO) System

Signal Times Morse Symbols

m. s. m. s.

Letter X sent once

every 10 seconds

57 00 to 57 49 – • • – – • • – – • • – – • • – – • • –

Six dots 57 55 to 58 00 • • • • • •

Letter N sent once

every 10 seconds

58 08 to 58 10 – • – • – • – • – •

Six dots 58 55 to 59 00 • • • • • •

Letter G sent once

every 10 seconds

59 06 to 59 10 – – • – – • – – • – – • – – •

Six dots 59 55 to 60 00 • • • • • •

The English System

M.

Seconds:

1-59 60

55 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • –

56 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • –

57 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • –

58 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • –

59 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • –

The BBC System

minute seconds 1-54 55 56 57 58 59 60

59 (silence) • • • • • –
RADIO TIME SIGNALS

2 - 5

200G. Codes for the Transmission of UTC

Adjustments

Currently the rate of departure between UTC and

Greenwich mean time (UT1), used in celestial navigation,

is 2.5 milliseconds a day. However, it is planned that UTC

will not normally deviate from UT1 by more than 0.9

seconds. Provision has been made to maintain this

relativity by means of step adjustments to the time signals

of exactly 1 second. These adjustments, known as leap

seconds, will normally be effected at 2400 on 30 June or

31 December. (A positive leap second begins at 23 hours,

59 minutes, 60 seconds, ending at 0 hours, 0 minutes, 0

seconds of the first day of the following month. For a

negative leap second, 23 hours, 59 minutes, 58 seconds

will be followed one second later by 0 hours, 0 minutes, 0

seconds of the first day of the following month.)

However, it is also quite possible that these dates may be

varied depending upon any unpredicted variations in the

earth’s rate of rotation.

The difference between UTC and UT1 is known as D

(for delta) UT1, the relationship being DUT1 = UT1 -

UTC. By means of a coding system incorporated in the

actual emissions, primary time signal sources will

promulgate DUT1 in integral multiples of 0.1 second.

In most cases the coding will be in the form of a ITU-R

code with emphasized second markers in the first 16

seconds following the minute marker. The emphasis of the

second markers can take the form of lengthening,

doubling, splitting or tone modulating of the normal

second markers. Each emphasized second represents a

DUT1 value of 0.1 second, the total value of DUT1 being

indicated by the number of emphasized seconds. The sign

of DUT1 is determined by the position of the coded signals

within the 16 second period, positive values being

indicated by emphasis of the first 8 seconds and negative

values being indicated by emphasis of seconds 9 to 16.

A zero value of DUT1 will be indicated by the absence

of emphasized second markers.

Time signal emissions of Russia follow this system;

additionally, they carry a similar coding of seconds 21 to

24 or 31 to 34. The extra coding indicates a further figure

(known as dUT1) to be added to the DUT1 value; the total

value of the UT1 - UTC corrections being DUT1 + dUT1.

Each emphasized second represents a dUT1 value of 0.02

second.

Positive values of dUT1 are indicated by emphasizing a

number of consecutive second markers from seconds 21

through 24.

Negative values of dUT1 are indicated by emphasizing a

number of consecutive second markers from seconds 31

through 34.

A zero value of dUT1 is indicated by the absence of

emphasized second markers.

Time signals originating from Russia will also include a

Morse code transmission of DUT1 + dUT1. The

information is broadcast by means of a three digit group.

The first number indicates the sign of the difference (1

means a positive value and 0 means a negative value). The

two numbers following give the absolute value (e.g., 072 =

-0.72 second; 128 = +0.28 second). The numbers are

transmitted with an interval corresponding to the length of

three dashes (approximately 0.9 second).

The information is repeated 10 to 15 times during 1

minute, each group of three digits being separated from

each other by a separation marker ( • – • ).

DUT1 may also be given by voice announcement or in

Morse code. For example, U.S. Naval Radio Stations use

standard Morse code from seconds 56 through 59 each

minute (not used for time signals) to indicate the sign and

value in tenths of a second of DUT1.

Positive values will be indicated by the letter “A” and the

appropriate digit (e.g., • – ••• – – “A3”: add 0.3 second).

Negative values will be indicated by the letter “S” and

the appropriate digit (e.g., • • • –––– • “S9”: subtract

0.9 second).

EXAMPLES:
RADIO TIME SIGNALS

2 - 6

200H. Shortwave Services Provided by the

National Institute of Standards and

Technology WWV-WWVH Broadcasts

SHORTWAVE SERVICES: NIST broadcasts time

signals continuously from the two high-frequency

(shortwave) radio stations WWV, near Fort Collins,

Colorado, and WWVH, Kekaha, Kauai, Hawaii on

frequencies of 2.5, 5, 10, and 15 MHz (also 20 MHz from

Fort Collins only). All frequencies provide the same

information. Services include time announcements,

standard time intervals, standard frequencies, UT1 time

corrections, BCD time code, geophysical alerts, marine

storm warnings, and GPS navigation system status

information. The accompanying diagrams give the hourly

broadcast schedules of WWV and WWVH. Station

locations, radiated power, and details of antennas and

modulation are given in the station listings which follow.

The NIST also broadcasts time and frequency signals from

its low frequency station, WWVB, also located at Fort

Collins, Colorado, and from two geostationary GOES

satellites.

The NIST Time and Frequency Division is internet

accessible through the World Wide Web at:

http://www.boulder.nist.gov/timefreq/index.html

ACCURACY AND STABILITY: The time and

frequency broadcasts are controlled by the NIST

Frequency Standard, which realizes the internationally

defined cesium resonance frequency with an accuracy of 1

part in 1014. The frequencies as transmitted by WWV and

WWVH are accurate to about 1 part in 100 billion (1 x

10-11) for frequency and about 0.01 millisecond (ms) for

timing. The day-to-day deviations are normally less than 1

part in 1,000 billion (1 x 10-12). However, the received

accuracy is far less due to various propagation effects

(Doppler effect, diurnal shifts, etc.) that cause fluctuations

in the carrier frequencies. The usable received accuracy is

about 1 part in 10 million (1 x 10-7) for frequency and

about 1 ms for timing.

TIME ANNOUNCEMENTS: Once per minute, voice

announcements are made from WWV and WWVH. The

two stations are distinguished by a female voice from

WWVH and a male voice from WWV. The WWVH

announcement occurs first, at 15 seconds before the

minute, while the WWV announcement occurs at 7.5

seconds before the minute. Coordinated Universal Time is

used in these announcements.

STANDARD TIME INTERVALS: The most frequent

sounds heard on WWV and WWVH are the pulses that

mark the seconds of each minute, except for the 29th and

59th second pulses which are omitted completely. The first

pulse of every hour is an 800-ms pulse of 1500 Hz. The

first pulse of every minute is an 800-ms pulse of 1000 Hz

at WWV and 1200 Hz at WWVH. The remaining second

pulses are brief audio bursts (5-ms pulses of 1000 Hz at

WWV and 1200 Hz at WWVH) that resemble the ticking

of a clock. Each pulse commences at the beginning of each

second. They are given by means of double-sideband

amplitude modulation.

Each second’s pulse is preceded by 10 ms of silence and

followed by 25 ms of silence to avoid interference which

might make it difficult or impossible to pick out the pulses.

STANDARD AUDIO FREQUENCIES: In alternate

minutes during most of each hour, 500 or 600 Hz audio

tones are broadcast. A 440 Hz tone, the musical note A

above middle C, is broadcast once each hour. In addition to

being a musical standard, the 440 Hz tone can be used to

provide an hourly marker for chart recorders or other

automated devices.

“SILENT” PERIODS: These are periods with no tone

modulation. However, the carrier frequency, second pulses,

time announcements, and 100 Hz BCD time code continue.

The main silent periods extend from 43 to 46 and from 47

to 52 minutes after the hour on WWV and from 8 to 11 and

from 14 to 20 minutes after the hour on WWVH. Minutes

29 and 59 on WWV and minutes 00 and 30 on WWVH are

also silent.

BCD TIME CODE: A modified IRIG-H time code

occurs continuously on a 100 Hz subcarrier. The format is

1 pulse per second with a 1 minute time frame. It gives

year (2 digits), day of the year, hours, and minutes in

binary coded decimal form. Indicators for daylight saving

time and leap seconds are also included in the code.

EXAMPLES:
RADIO TIME SIGNALS

2 - 7

UT1 TIME CORRECTIONS: The UTC time scale

operates on atomic frequency, but by means of resets is

made to approximate the astronomical UT1 scale. It may

disagree with UT1 by as much as 0.9 second before resets

in steps of exactly 1 second are made. For those who need

astronomical time more accurate than 0.9 second, a UTC

correction is applied through the ITU-R code described

earlier, using double ticks as emphasized markers.

GEOPHYSICAL ALERTS: Current geophysical alerts

(Geoalerts) are broadcast in voice at 18 minutes after the

hour (for WWV) and at 45 minutes after the hour (for

WWVH). The messages are less than 45 seconds in length

and are updated every three hours, i.e., 0000, 0300, 0600

UTC, etc. Part A of the message gives the solar-terrestrial

indices for the day: specifically the 2000 UTC solar flux

from Penticton, B.C., Canada at 2800 MHz, the estimated

A-index for Boulder, CO and the current Boulder K-index.

Part B gives the solar-terrestrial conditions for the previous

24 hours. Part C gives optional information on current

conditions that may exist (that is, major flares, proton or

polar cap absorption [PCA] events, or stratwarm

conditions). Part D gives the expected conditions for the

next 24 hours. For example:

A) Solar-terrestrial indices for 26 October follow:

Solar flux 173 and estimated Boulder A-index 20,

repeat: Solar flux one-seven-three and estimated Boulder

A-index two-zero.

The Boulder K-index at 1800 UTC on 26 October was

four, repeat: four.

B) Solar-terrestrial conditions for the last 24 hours

follow:

Solar activity was high.

Geomagnetic field was unsettled to active.

C) A major flare occurred at 1648 UTC on 26 October. A

satellite proton event and PCA are in progress.

D) The forecast for the next 24 hours follows:

Solar activity will be moderate to high. The

geomagnetic field will be active.

Solar activity is defined as transient perturbations of the

solar atmosphere as measured by enhanced x-ray emission,

typically associated with flares. Five standard terms are

used to describe solar activity:

The geomagnetic field experiences natural variations

classified quantitatively into six standard categories

depending upon the amplitude of the disturbance. The

Boulder K and estimated A indices determine the category

according to the following table:

Solar Flares are classified by their x-ray emission as:

The letter designates the order of magnitude of the peak

value. Following the letter the measured peak value is

given. For descriptive purposes, a number from 1.0 to 9.9

is appended to the letter designation. The number acts as a

multiplier. For example, a C3.2 event indicates an x-ray

burst with peak flux of 3.2 x 10-6 Wm-2.

Forecasts are usually issued only in terms of the broad C,

M, and X categories. Since x-ray bursts are observed as a

full-sun value, bursts below the x-ray background level are

not discernible. The background drops to class A level

during solar minimum; only bursts that exceed B1.0 are

classified as x-ray events. During solar maximum the

background is often at the class M level, and therefore

class A, B, or C x-ray bursts cannot be seen. Data are from

the NOAA GOES satellites, monitored in real time by the

Space Weather Operations (SWO) branch at the Space

Environment Center (SEC). Bursts greater than 1.2 x

10-3Wm-2 may saturate the GOES detectors. If saturation

occurs, estimated peak flux values are reported.

The remainder of the report is as follows:

– MAJOR SOLAR FLARE: a flare which produces some

geophysical effect; usually flares that have x-rays ≥ M5

class.

– PROTON FLARE: protons detected by satellite detectors

(or polar cap absorption by riometer) have been observed

in time association with H-alpha flare

– SATELLITE LEVEL PROTON EVENT: proton

enhancement detected by Earth orbiting satellites with

measured particle flux of at least 10 protons cm-2s-1ster-1

at ≥ 10 MeV.

- Very low: x-ray events less than C-class.

- Low: C-class x-ray events.

- Moderate: isolated (one to four) M-class x-ray

events.

- High: several (five or more) M-class x-ray

events, or isolated (one to four) M5 or

greater x-ray events.

- Very High: several M5 or greater x-ray events.

Condition Range of A-index Typical K-indices

Quiet 0 ≤ A < 08 usually no K

indices > 2

Unsettled 08 ≤ A < 16 usually no K

indices > 3

Active 16 ≤ A < 30 a few K indices of

4

Minor storm 30 ≤ A < 50 K indices mostly 4

and 5

Major storm 50 ≤ A < 100 some K indices 6

or greater

Severe storm 100 ≤ A some K indices 7

or greater

Peak Flux Range (0.1 - 0.8 nm)

Class mks system (Wm-2) cgs system (erg cm-2s-1)

A f < 10-7 f < 10-4

B 10-7 ≤ f < 10-6 10-4 ≤ f < 10-3

C 10-6 ≤ f < 10-5 10-3 ≤ f < 10-2

M 10-5 ≤ f < 10-4 10-2 ≤ f < 10-1

X 10-4 ≤ f 10-1 ≤ f
RADIO TIME SIGNALS

2 - 8

– SATELLITE LEVEL PROTON EVENT: proton

enhancement detected by Earth orbiting satellites with

measured particle flux of at least 10 protons cm-2s-1ster-1

at ≥ 10 MeV.

– POLAR CAP ABSORPTION: proton-induced

absorption ≥2 dB during the daytime, 0.5 dB at night, as

measured by a 30 MHz riometer located within the polar

ice cap.

– STRATWARM: reports of stratospheric warming in the

high latitude regions of the winter hemisphere of the

earth associated with gross distortions of the normal

circulation associated with the winter season.

The Geophysical Alert messages are also available by

dialing: (1) 303-497-3235.

Inquiries regarding these messages should be addressed

to:

SPACE WEATHER OPERATIONS

NOAA

325 BROADWAY R/E/SE

BOULDER CO 80303-3328

Telephone: (1) 303-497-5127.

Fax: (1) 303-497-3137.

The Space Environment Center (SEC) provides real-time

monitoring and forecasting of solar and geophysical

events, conducts research in solar-terrestrial physics, and

develops techniques for forecasting solar and geophysical

disturbances. Information on SEC products and data is

internet accessible through the World Wide Web at:

http://www.sec.noaa.gov

PROPAGATION FORECASTS: Users interested in

further reading material on the effect of solar and

geophysical activity on radio propagation should consult

the latest edition of the Amateur Radio Handbook,

published by the American Radio Relay League.

MARINE STORM WARNINGS: Weather information

about major storms in the Atlantic and eastern North

Pacific are broadcast in voice from WWV at 8 through 10

minutes after each hour. Similar storm warnings covering

the eastern and central North Pacific are given from

WWVH at 48 through 51 minutes after each hour. An

additional segment (at 11 minutes after the hour on WWV

and at 52 minutes on WWVH) may be used when there are

unusually widespread storm conditions. The brief

messages are designed to tell mariners of storm threats in

their areas. If there are no warnings in the designated areas,

the broadcasts will so indicate. The ocean areas involved

are those for which the U.S. has warning responsibility

under international agreement. The regular times of issue

by the National Weather Service are 0500, 1100, 1700, and

2300 UTC for WWV and 0000, 0600, 1200, and 1800

UTC for WWVH. These broadcasts are updated effective

with the next scheduled announcement following the time

of issue.

Mariners might expect to receive a broadcast similar to

the following:

“North Atlantic weather west of 35 West at 1700 UTC:

Hurricane Donna, intensifying, 24 North, 60 West, moving

northwest, 20 knots, winds 75 knots; storm, 65 North, 35

West, moving east, 10 knots; winds 50 knots, seas 15 feet.”

Information regarding these announcements may be

obtained from:

METEOROLOGICAL OPERATIONS DIVISION

MARINE FORECAST BRANCH

NATIONAL METEOROLOGICAL CENTER

5200 AUTH ROAD

CAMP SPRINGS MD 20746

or:

MARINE AND APPLIED SCIENCES BRANCH

 NATIONAL WEATHER SERVICE

1325 EAST WEST HIGHWAY

SILVER SPRING MD 20910

GLOBAL POSITIONING SYSTEM (GPS) STATUS

ANNOUNCEMENTS: Since March 1990 the U.S. Coast

Guard has sponsored two voice announcements each hour

on both WWV and WWVH. These give current

information about GPS Satellites and related operations.

The announcements are at 14 through 15 minutes after the

hour on WWV and at 43 through 44 minutes after the hour

on WWVH. For further information contact:

COMMANDING OFFICER

U.S. COAST GUARD NAVIGATION CENTER

7323 TELEGRAPH ROAD

ALEXANDRIA VA 22315-3998

Telephone: (1) 703-313-5900.

Fax: (1) 703-313-5920.

The Navigation Information Service (NIS) is internet

accessible through the U.S. Coast Guard Navigation

Center Website at:

http://www.navcen.uscg.gov/

http://www.navcenter.org (Mirror site)

WWVB: This station (located at 40 ̊40'28.3"N,

105 ̊02'39.5"W; radiated power 13 kW) broadcasts on 60

kHz. Its time scale is the same as for WWV and WWVH,

and its frequency accuracy and stability as transmitted are

the same. Its entire format consists of a 1 pulse per second

special binary time code giving minutes, hours, days, the

current year (two digits), and the correction between its

UTC time scale and UT1 astronomical time. Indicators for

daylight saving time, leap seconds, and leap year are also

included. Identification of WWVB is made by its unique

time code and a 45 ̊ carrier phase shift which occurs for the

period between 10 minutes and 15 minutes after each hour.

The useful coverage area of WWVB is within the

continental United States. Propagation fluctuations are

much less with WWVB than with high frequency

reception, permitting frequency comparisons to be made to

a few parts in 1011per day.
2 - 9

The hourly broadcast schedules of WWV.
2 - 10

The hourly broadcast schedules of WWVH.
RADIO TIME SIGNALS

2 - 11

(1)

No.

(2)

Name

(3) Hours of Transmission(4)

System

(5)

Frequency

UNITED STATES

The United States Frequency and Time Standard is maintained by the Time and Frequency Division, National Institute of Standards and Technology, Boulder, CO.

Services include time announcements, standard time intervals, standard frequencies, geophysical alerts, marine storm warnings, Global Positioning System (GPS)

information, UT1 time corrections and BCD Time Codes.

2000 Fort Collins, CO (WWV). Continuous. U.S. 2.5 MHz, A9W, 2.5 kW;

5.0 MHz, A9W, 10.0 kW;

10.0 MHz, A9W, 10.0 kW;

15.0 MHz, A9W, 10.0 kW;

20.0 MHz, A9W, 2.5 kW.

2001 Kekaha, Kauai, HI (WWVH). Continuous. U.S. 2.5 MHz, A9W, 5.0 kW;

5.0 MHz, A9W, 10.0 kW;

10.0 MHz, A9W, 10.0 kW;

15.0 MHz, A9W, 10.0 kW.

ANTENNAS MODULATION: At both WWV and WWVH, double sideband amplitude modulation is employed with 50 percent modulation on steady tones, 25 percent for the

BCD Time Code, 100 percent for second pulses and 75 percent for voice. The broadcasts on 5, 10 and 15 MHz from WWVH are phased from vertical half-wave dipole arrays.

They are designed and oriented to radiate a cardioid pattern directing maximum gain in a westerly direction. The 2.5 MHz antenna at WWVH and all antennas at WWV are

half-wave dipoles that radiate omnidirectional patterns.

CANADA

2020 Ottawa, Ont. (CHU). Continuous. (See below) 3330 kHz, A2A, H3E, 3 kW;

7335 kHz, A2A, H3E, 10 kW;

14670 kHz, A2A, H3E, 3 kW.

DUT1: Marked seconds indicated by split pulses.

SYSTEM: 00s.: 500ms second marker. From 01s. to 28s.: Second markers of 300ms each. 29s.: Silence. From 30s. to 50s.: Second markers of 300ms each. From 51s. to

59s.: Station identification and time (+5R). At the beginning of the hour the first second marker lasts for 1s. and 500ms markers for seconds 01 to 09 are omitted. A binary

time code is included in second markers 31-39.

ANTENNAS: CHU broadcasts from 45-17-47N 75-45-22W using vertical antennas designed to give the best possible coverage for Canadian users.

MEXICO

2040 Chapultepec (XDD)(XDP). Weekdays: 0155-0200, 1555-1600, 1755-1800;

Sun. and holidays: 1755-1800.

U.S. XDP: 4800 kHz, A1A;

XDD: 13043 kHz, A1A.

SYSTEM: From 54m. to 55m.: “VVV DE” station call sign (“XPD” or “XDD”). From 55m. to 60m.: U.S. system, except that the second marker at 28s. is omitted each minute.

2041 Tacubaya (XBA). Weekdays: 0155-0200, 1555-1600, 1755-1800;

Sun. and holidays: 1755-1800.

U.S. 6976.74 kHz, A1A;

13953.6 kHz, A1A.

SYSTEM: From 54m. to 55m.: “VVV DE XBA”. From 55m. to 60m.: U.S. system, except that the second marker at 28s. is omitted each minute.

VENEZUELA

2043 Observatorio Naval Caracas (YVTO). Continuous. U.S. 5000 kHz, A9W, 10 kW.

SYSTEM: From 01s. to 29s.: second markers of 100ms each. 30s.: silence. From 31s. to 40s.: second markers of 100ms each. From 40s. to 50s.: station identification, in

Spanish. 51s. and 52s.: second markers of 100ms each. From 52s. to 57s.: time announcement, in Spanish. 57s. and 59s.: second markers of 100ms each. 00s.: minute

marker of 500ms (800 Hz). Second markers are 1000 Hz tone.

BRAZIL

2050.5 Rio de Janeiro (PPEI). 0025-0030, 1125-1130, 1325-1330, 1925-1930,

2325-2330.

English 8721 kHz, A1A, 2 kW.

DUT1: Marked seconds indicated by double pulse.

ECUADOR

2051 Guayaquil (HD210A). 0000-1200. (See below) 3810 kHz, A1A, A3E, 1 kW.

1200-1300. 5000 kHz, A1A, A3E, 1 kW.

1300-2400. 7600 kHz, A1A, A3E, 1 kW.

SYSTEM: 00s.: minute marker of 300ms. From 01s. to 28s.: second markers of 100ms each. 29s.: silence. From 30s. to 50s.: second markers of 100ms each. From 50s.

to 52s.: silence. From 52s. to 58s.: time announcement. 59s.: silence. Call sign transmitted on 3810 kHz, 7600 kHz from 59m.-15s. to 59m.-50s. of each hour. In addition to

time signals on 5000 kHz, a 600 Hz tone is transmitted 1200-1215 and a 400 Hz tone is transmitted 1215-1230.
RADIO TIME SIGNALS

2 - 12

ARGENTINA

2080 Buenos Aires (LOL). 0055-0100, 1255-1300, 2055-2100. (See below) 4856 kHz, A1A;

8030 kHz, A1A;

17180 kHz, A1A.

1100-1200, 1400-1500, 1700-1800, 2000-2100,

2300-2400.

5000 kHz, A1A, A2A, A3E, 2 kW;

10000 kHz, A1A, A2A, A3E, 2 kW;

15000 kHz, A1A, A2A, A3E, 2 kW.

A1A-ONLY FREQUENCIES:

DUT1: Marked seconds indicated by double pulse.

SYSTEM: English. The marker at 29s. is omitted each minute.

OTHER FREQUENCIES:

DUT1: Marked seconds indicated by lengthened signal.

SYSTEM: From 01s. to 58s.: second markers of 5ms each. 59s.: silence. 00s.: minute marker of 5ms.

CARRIER MODULATION: From 00m. to 03m., 10m. to 13m., 20m. to 23m., 30m. to 33m., 40m. to 43m., 50m. to 53m.: 1000 Hz tone. From 03m. to 05m., 08m. to 10m.,

13m. to 15m., 18m. to 20m., 23m. to 25m., 28m. to 30m., 33m. to 35m., 38m. to 40m., 43m. to 45m., 48m. to 50m., 53m. to 55m., 58m. to 60m.: “LOL” in morse code, station

identification and time (+3P) in voice. From 05m. to 08m., 15m. to 18m., 25m. to 28m., 35m. to 38m., 45m. to 48m.: 440 Hz tone.

2081 Buenos Aires (LQB)(LQC). 2200-2205, 2345-2350. (See below) LQB9: 8167.5 kHz, A2A, A3E, 10 kW.

1000-1005, 1145-1150. LQC20: 17550 kHz, A2A, A3E, 10 kW.

DUT1: Marked seconds indicated by double pulse.

SYSTEM: From 55m. to 00m./40m. to 45m.: “CQCQCQ DE” followed by call sign (“LQB” or “LQC”) repeated three times. From 00m. to 05m./45m. to 50m.: second markers

of 300ms each (except omitted on 59s. of each minute); minute markers of 500ms each. After 05m./50m., “OKOKOK” is broadcast if time signals were valid, “NVNVNV” if

invalid.

CZECH REPUBLIC

2091 Liblice (OMA). Continuous. (See below) 50 kHz, A1A, 7 kW.

50 kHz FREQUENCY:

SYSTEM: Carrier interruptions of 100ms each second, 500ms each minute.

TRANSMITTER: Backup transmitter, 0.05kW, used 0600-1200 first Wed. each month.

BELARUS

2150 Molodechno (RJH69). Daylight savings time in effect:

0836-0855, 2136-2155;

Daylight savings time not in effect:

0736-0755, 1936-1955.

(See below) 25 kHz, A1A, 300 kW.

Not transmitted on 2nd, 12th, 22nd of each

month.

SYSTEM: From 36m. to 37m.: call sign. From 37m. to 40m.: carrier. From 40m. to 43m.: sub-second markers of 12.5ms every 25ms. From 43m. to 52m.: sub-second markers

of 25ms every 100ms; second markers of 100ms each; 10-second markers of 1s. each; minute markers of 10s. each. From 52m. to 55m.: sub-second markers of 12.5ms

every 25ms.

RUSSIA

2202 Moskva (RWM). Continuous. (See below) 4996 kHz, A1A, 5 kW;

9996 kHz, A1A, 5 kW;

14996 kHz, A1A, 8 kW.

DUT1 AND dUT1: Marked seconds indicated by double pulse with 100ms separation, between 10m.-20m. and 40m.-50m.

SYSTEM: From 00m. to 08m.: carrier. From 08m. to 09m.: silence. From 09m. to 10m.: call sign. From 10m. to 20m.: second markers of 100ms each, minute markers of

500ms each. From 20m. to 30m.: sub-second markers of 20ms every 100ms, second markers of 40ms each, minute markers of 500ms each. From 30m. to 38m.: carrier.

From 38m. to 39m.: silence. From 39m. to 40m.: call sign. From 40m. to 50m.: second markers of 100ms each, minute markers of 500ms each. From 50m. to 00m.: subsecond markers of 20ms every 100ms, second markers of 40ms each, minute markers of 500ms each. Markers omitted between 56s. and 59s. at 14m., 19m., 24m., 29m.,

44m., 49m., 54m., 59m.

TRANSMITTERS: 4996 kHz off-air 0500-1300 first Wed. each quarter. 9996 kHz off-air 0500-1300 second Wed. each quarter. 14996 kHz off-air 0500-1300 third Wed. every

odd month.

2202.5 Moskva (RBU). January-June: 0252-0313, 0852-0913,

1452-1513, 2052-2113;

July-December: 0852-0913, 2052-2113.

(See below) 66.67 kHz, A1A, 10 kW.

DUT1 AND dUT1: Marked seconds indicated by double pulse with 100ms separation, between 00m.-05m.

SYSTEM: From 52m. to 59m.: carrier. From 59m. to 00m.: sub-second markers of 20ms every 100ms, second markers of 40ms, minute markers of 500ms each. From 00m.

to 05m.: second markers of 100ms each, minute markers of 500ms each. From 05m. to 06m.: call sign. From 06m. to 13m.: carrier.

TRANSMITTER: Off-air 0500-1300 third Tues. each month.

(1)

No.

(2)

Name

(3)

Hours of Transmission

(4)

System

(5)

Frequency
RADIO TIME SIGNALS

2 - 13

2203 Gorky (RJH99). Daylight savings time in effect:

0736-0755, 1436-1455, 1936-1955;

Daylight savings time not in effect:

0536-0555, 1336-1355, 1836-1855.

(See below) 25 kHz, A1A, 300 kW.

Not transmitted on 8th, 18th, 28th of each month.

SYSTEM: From 36m. to 37m.: call sign. From 37m. to 40m.: carrier. From 40m. to 43m.: sub-second markers of 12.5ms every 25ms. From 43m. to 52m.: sub-second markers

of 25ms every 100ms, second markers of 100ms each, 10-second markers of 1s. each, minute markers of 10s. each. From 52m. to 55m.: sub-second markers of 12.5ms

every 25ms.

2204 Novosibirsk (RTA). 0000-0530, 1400-2400. (See below) 10000 kHz, A1A, 5 kW.

0630-1330. 15000 kHz, A1A, 5 kW.

Transmission times 1 hr. later on both

frequencies when daylight savings time in effect.

DUT1 AND dUT1: Marked seconds indicated by double pulse with 100ms separation, between 00m.-10m. and 30m.-40m.

SYSTEM: From 00m. to 10m.: second markers of 100ms each, minute markers of 500ms each. From 10m. to 20m.: sub-second markers of 20ms every 100ms, second

markers of 40ms each, minute markers of 500ms each. From 20m. to 28m.: carrier. From 28m. to 29m.: silence. From 29m. to 30m.: call sign. From 30m. to 40m.: second

markers of 100ms each, minute markers of 500ms each. From 40m. to 50m.: sub-second markers of 20ms every 100ms, second markers of 40ms each, minute markers of

500ms each. From 50m. to 58m.: carrier. From 58m. to 59m.: silence. From 59m. to 00m.: call sign. Markers omitted between 56s. and 59s. at 04m., 09m., 14m., 19m.,

34m., 39m., 44m., 49m.

TRANSMITTERS: Both frequencies off-air 0000-1000 first and third Thurs. each month.

2205 Irkutsk (RID). Continuous. (See below) 5004 kHz, A1A, 1 kW;

10004 kHz, A1A, 1 kW;

15004 kHz, A1A, 1 kW.

DUT1 AND dUT1: Marked seconds indicated by double pulse with 100ms separation, between 20m.-30m. and 50m.-00m.

SYSTEM: From 00m. to 10m.: sub-second markers of 20ms every 100ms, second markers of 40ms each, minute markers of 500ms each. From 10m. to 18m.: carrier. From

18m. to 19m.: silence. From 19m. to 20m.: call sign. From 20m. to 30m.: second markers of 100ms each, minute markers of 500ms each. From 30m. to 40m.: sub-second

markers of 20ms every 100ms, second markers of 40ms each, minute markers of 500ms each. From 40m. to 48m.: carrier. From 48m. to 49m.: silence. From 49m. to 50m.:

call sign. From 50m. to 00m.: second markers of 100ms each, minute markers of 500ms each. Markers omitted between 56s. and 59s. at 04m., 09m., 24m., 29m., 34m.,

39m., 54m., 59m.

TRANSMITTERS: 5004, 15004 kHz off-air 0000-0800 second Tues. and third Sun. each month. 10004 kHz off-air 0000-0800 third Tues. and third Sun. each month.

2205.5 Irkutsk (RTZ). 0000-2100, 2200-2400. (See below) 50 kHz, A1A, 10 kW.

DUT1 AND dUT1: Marked seconds indicated by double pulse with 100ms separation, between 00m.-05m.

SYSTEM: From 00m. to 05m.: second markers of 100ms each, minute markers of 500ms each. From 05m. to 06m.: call sign. From 06m. to 59m.: carrier. From 59m. to

00m.: sub-second markers of 20ms every 100ms, second markers of 40ms each, minute markers of 500ms each.

TRANSMITTER: Transmitter off-air 0000-0800 first, third, fourth Mon. each month.

2206 Khabarovsk (UQC3). Daylight savings time in effect:

0236-0255, 0636-0655, 1836-1855;

Daylight savings time not in effect:

0036-0055, 0636-0655, 1736-1755.

(See below) 25 kHz, A1A, 300 kW.

Not transmitted on 10th, 20th, 30th of each

month.

SYSTEM: From 36m. to 37m.: call sign. From 37m. to 40m.: carrier. From 40m. to 43m.: sub-second markers of 12.5ms every 25ms. From 43m. to 52m.: sub-second markers

of 25ms every 100ms, second markers of 100ms each, 10-second markers of 1s. each, minute markers of 10s. each. From 52m. to 55m.: sub-second markers of 12.5ms

every 25ms.

2209 Arkhangel'sk (RJH77). 0836-0855, 1136-1155; 1 hr. later when daylight

savings time in effect.

(See below) 25 kHz, A1A, 300 kW.

Not transmitted on 4th, 14th, 24th of each month.

SYSTEM: From 36m. to 37m.: call sign. From 37m. to 40m.: carrier. From 40m. to 43m.: sub-second markers of 12.5ms every 25ms. From 43m. to 52m.: sub-second markers

of 25ms every 100ms, second markers of 100ms each, 10-second markers of 1s. each, minute markers of 10s. each. From 52m. to 55m.: sub-second markers of 12.5ms

every 25ms.

KYRGYZSTAN

2211 Frunze (RJH66). Daylight savings time in effect:

0536-0555, 1136-1155, 2336-2355;

Daylight savings time not in effect:

0436-0455, 0936-0955, 2136-2155.

(See below) 25 kHz, A1A, 300 kW.

Not transmitted on 6th, 16th, 26th of each month.

SYSTEM: From 36m. to 37m.: call sign. From 37m. to 40m.: carrier. From 40m. to 43m.: sub-second markers of 12.5ms every 25ms. From 43m. to 52m.: sub-second markers

of 25ms every 100ms, second markers of 100ms each, 10-second markers of 1s. each, minute markers of 10s. each. From 52m. to 55m.: sub-second markers of 12.5ms

every 25ms.

(1)

No.

(2)

Name

(3)

Hours of Transmission

(4)

System

(5)

Frequency
RADIO TIME SIGNALS

2 - 14

UZBEKISTAN

2212 Tashkent (ULW4). 0000-0400, 0500-2400. (See below) 2500 kHz, A1A, 1 kW.

0000-0400, 1400-2400. 5000 kHz, A1A, 1 kW.

0500-1330. 10000 kHz, A1A, 1 kW.

1 hr. later when daylight savings time in effect.

DUT1 AND dUT1: Marked seconds indicated by double pulses with 100ms separation, between 00m.-10m. and 30m.-40m.

SYSTEM: From 00m. to 10m.: second markers of 100ms each, minute markers of 500ms each. From 10m. to 20m.: sub-second markers of 20ms every 100ms, second

markers of 40ms each, minute markers of 500ms each. From 20m. to 28m.: carrier. From 28m. to 29m.: silence. From 29m. to 30m.: call sign. From 30m. to 40m.: second

markers of 100ms each, minute markers of 500ms each. From 40m. to 50m.: sub-second markers of 20ms every 100ms, second markers of 40ms each, minute markers of

500ms each. From 50m. to 58m.: carrier. From 58m. to 59m.: silence. From 59m. to 00m.: call sign. Markers between 56s. and 59s. omitted at 04m., 09m., 14m., 19m.,

34m., 39m., 44m., 49m.

TRANSMITTERS: All off-air 0100-1100 third Mon. each month.

GERMANY

2320 Mainflingen (DCF77). Continuous. (See below) 77.5 kHz, A1A, A3E, 38 kW.

SYSTEM: Carrier interruptions act as second markers. From 00s. to 19s.: second markers of 100ms each. 20s.: second marker of 200ms. From 21s. to 27s.: second markers

of 100ms or 200ms each; these markers are used to send binary time code information. 100ms marker—binary 0, 200ms marker—binary 1. 28s.: second marker of 100ms.

From 29s. to 34s.: binary second markers of 100ms or 200ms each. 35s.: second marker of 100ms. From 36s. to 57s.: binary second markers of 100ms or 200ms each.

58s.: second marker of 100ms. 59s.: uninterrupted carrier. Station call sign transmitted twice using audio modulation of the carrier at 19m., 39m., 59m.; second markers are

not interrupted.

ANTENNAS: When backup antenna is used, marker at 15s. is lengthened.

UNITED KINGDOM

2351 Rugby (MSF). Continuous. (See below) 60 kHz, A1A, 27 kW.

SYSTEM: National Physical Laboratory (NPL) Computer Time Service via Modem (NPL Truetime). NPL offers a service which allows a computer to set its clock to within

1/50th of a second by direct telephone connection to the National Time Scale at the NPL in Teddington, Middlesex. A call to the service, at any time of the day or night, allows

a computer equipped with a suitable modem and software to correct its clock. The service uses a premium-rate telephone number. For further information contact the Time

and Frequency Services, NPL at:

Inquiries telephone.....(011) 44-01819436880

NPL Truetime Telephone.....0891 516333 (UK only)

Fax.....(011) 44-01819436458

E-mail.....time@npl.co.uk

Internet.....http://www.npl.co.uk/npl/ctm/index.html

TRANSMITTER: Transmitter off-air 1000-1400 (1 hr. earlier when daylight savings time is in effect) first Tues. each month.

2360 BBC-Radio 1. Mon.-Fri.: 0700, 0800;

Sat.: 1300;

Sun.: Nil.

(See below) 1053 kHz, A3E, 1-150 kW;

1089 kHz, A3E, 1-150 kW;

97.6-99.8 MHz, F3E (97.1 MHz for Channel

Islands).

1 hr. earlier when daylight savings time in effect.

SYSTEM: From 59m.-55s. to 59m.-59s.: second markers of 100ms each. 00m.-00s.: minute marker of 500ms.

2361 BBC-Radio 2. Mon.-Fri.: 0000, 0700, 0800, 1300, 1700;

Sat.: 0000, 0700, 0800;

Sun.: 0000, 0800, 0900, 1900.

(See below) 88-90.2 MHz, F3E (89.6 MHz for Channel Islands).

1 hr. earlier when daylight savings time in effect.

SYSTEM: From 59m.-55s. to 59m.-59s.: second markers of 100ms each. 00m.-00s.:

minute marker of 500ms.

2362 BBC-Radio 3. Mon.-Fri.: 0700, 0800;

Sat.: 0600, 0700.

(See below) 90.2-92.4 MHz, F3E (91.1 MHz for Channel

Islands).

1 hr. earlier when daylight savings time in effect.

SYSTEM: From 59m.-55s. to 59m.-59s.: second markers of 100ms each. 00m.-00s.: minute marker of 500ms.

(1)

No.

(2)

Name

(3) Hours of Transmission(4)

System

(5)

Frequency
RADIO TIME SIGNALS

2 - 15

2363 BBC-Radio 4. Mon.-Fri.: 0600, 0700, 0800, 0900, 1000, 1100,

1200, 1300, 1400, 1500, 1600, 1700, 1900,

2200;

Sat.: 0700, 0800, 0900, 1000, 1100, 1300, 1400,

1600;

Sun.: 0600, 0700, 0800, 0900, 1300, 1700, 2100.

(See Below) 198 kHz, A3E, 50-400 kW;

Tyneside: 603 kHz, A3E, 2 kW;

London: 720 kHz, A3E, 0.5.kW;

N. Ireland: 720 kHz, A3E, 0.25-10 kW;

Redruth: 756 kHz, A3E, 2 kW;

Plymouth: 774 kHz, A3E, 1 kW;

Aberdeen: 1449 kHz, A3E, 2 kW;

Carlisle: 1485 kHz, A3E, 1 kW;

92.4-94.6 MHz, F3E (94.8 MHz for Channel

Islands).

1 hr. earlier when daylight savings time in effect.

SYSTEM: From 59m.-55s. to 59m.-59s.: second markers of 100ms each. 00m.-00s.: minute marker of 500ms.

2370 BBC-World Service. 0000, 0200, 0300, 0400, 0500. (See below) 198 kHz.

0000, 0200, 0300, 0600, 0700, 0800, 0900,

1100, 1200, 1300, 1500, 1600, 1700, 1900,

2000, 2200, 2300.

648 kHz.

0200, 0300, 0600, 2200, 2300. 1296 kHz.

0400, 0500, 0600. 3955 kHz.

0200, 0300, 0400, 0500, 0600, 0700, 1500,

1600, 1700, 1800, 1900, 2000, 2200.

6195 kHz.

0600, 0700, 0800. 7150 kHz.

0300, 0400. 7230 kHz.

0000, 0200, 0300, 0700, 0800, 0900, 2000,

2200, 2300.

7325 kHz.

0200, 0300, 0400, 0500, 0600, 0700, 0800,

0900, 1100, 1200, 1300, 1500, 1600, 1700,

1800, 1900, 2000, 2200, 2300.

9410 kHz.

0900, 1100, 1200, 1300, 1500. 9750 kHz.

0700, 0800, 0900, 1100, 1200, 1300, 1500,

1600.

9760 kHz.

0000, 0200, 0300, 2200, 2300. 9915 kHz.

0000, 0200, 0300, 0400, 0500, 0600, 0700,

0800, 0900, 1100, 1200, 1300, 1500, 1600,

1700, 1800, 1900, 2000, 2200, 2300.

12095 kHz.

0000, 0500, 0600, 0700, 0800, 0900, 1100,

1200, 1300, 1500, 1600, 1700, 1800, 1900,

2000, 2200, 2300.

15070 kHz.

2200, 2300. 15340 kHz.

0700, 0800, 0900, 1100, 1200, 1300, 1500. 17640 kHz.

0800, 0900, 1100, 1200, 1300, 1500, 1600. 17705 kHz.

SYSTEM: From 59m.-55s. to 59m.-59s.: second markers of 100ms each. 00m.-00s.: minute marker of 500ms.

NOTE: Not intended for precise use. Direct transmissions from United Kingdom will normally be received within 0.1s. of UTC, but signals from overseas relay stations may

have additional errors of up to 0.25s.

FRANCE

2380 France Inter (Allouis) (TDF). Continuous, except 0100-0500 each Tues. (See below) 162 kHz, A3E.

SYSTEM: From 00s. to 20s.: second markers of 100ms each. From 21s. to 58s.: time and date announcement. 59s.: emphasized second marker of 100ms. Other second

markers are emphasized to indicate the following: 13s. - the day preceding a holiday; 14s. - holiday; 17s. - local time is -2B; 18s. - local time is -1A.

SWITZERLAND

2400 Prangins (HBG). Continuous in the absence of telegraph traffic. (See below) 75 kHz, A1A, 20 kW.

SYSTEM: Carrier interruptions act as markers. From 01s. to 59s.: second markers of 100ms each. 00s.: minute marker of double pulse, 100ms each. 00m.-00s.: hour marker

of triple pulse, 100ms each. 12h./24h.-00m.-00s.: 12-hour marker of quadruple pulse, 100ms each.

(1)

No.

(2)

Name

(3) Hours of Transmission(4)

System

(5)

Frequency
RADIO TIME SIGNALS

2 - 16

ITALY

2410 Roma (IAM). Mon.-Sat.: 0730-0830, 1030-1130. (See below) 5000 kHz, A2A, A3E, 1 kW.

1 hr. earlier when daylight savings time in effect.

DUT1: Marked seconds indicated by double pulse.

SYSTEM: From 01s. to 59s.: second markers of 5ms each. 00s.: minute marker of 20ms. At 00m., 15m., 30m., 45m.: station identification in morse code and Italian. At 05m.,

20m., 35m., 50m.: “IAM IAM IAM”, time in morse code.

2411 Torino (IBF). 0545-0600, 0645-0700, 0845-0900, 0945-1000,

1045-1100, 1145-1200, 1245-1300, 1345-1400,

1445-1500, 1545-1600, 1645-1700.

(See below) 5000 kHz, A2A, A3E, 5 kW.

1 hr. earlier when daylight savings time in effect.

DUT1: Marked second indicated by double pulse.

SYSTEM: 45m.: station identification. From 45m. to 00m.: second markers of 5ms each, minute markers of septuple pulses of 5ms each. 50m.: “IBF IBF IBF”, time (-1A) in

morse code. 00m.: “IBF IBF IBF”, time (-1A) in morse code, station identification.

CHILE

2445 Valparaiso Playa Ancha Radiomaritima

(CBV).

0055-0100, 1155-1200, 1555-1600, 1955-2000. U.S. 4228 kHz, A2A;

8677 kHz, A2A.

PERU

2461 Peru National Radio. 0300, 1300, 1700, 2300. U.S. 609.5 kHz, A3E;

850 kHz, A3E;

103.9 MHz, F3E.

SYSTEM: The hour marker of 1s. commences at 59m.-59s.

2462 Radio Victoria. 0300, 1300, 1700, 2300. U.S. 780 kHz, J3E.

SYSTEM: The hour marker of 1s. commences at 59m.-59s.

INDIA

2476 New Delhi (ATA). 1230-0330. (See below) 5000 kHz, A1A, 8 kW.

Continuous. 10000 kHz, A1A, A3E, 8 kW.

0330-1230. 15000 kHz, A1A, 8 kW.

SYSTEM: 00m.: call sign and time in morse code. From 00m. to 04m.: second markers of 5ms 1000 Hz modulation each, minute markers of 100ms 1000 Hz modulation

each. From 04m. to 15m.: second markers of 5ms each, minute markers of 100ms each. 15m.: call sign and time in morse code. From 15m. to 19m.: second markers of

5ms 1000 Hz each, minute markers of 100ms 1000 Hz each. From 19m. to 30m.: second markers of 5ms each, minute markers of 100ms each. 30m.: call sign and time in

morse code. From 30m. to 34m.: second markers of 5ms 1000 Hz each, minute markers of 100ms 1000 Hz each. From 34m. to 45m.: second markers of 5ms each, minute

markers of 100ms each. 45m.: call sign and time in morse code. From 45m. to 49m.: second pulses of 5ms 1000 Hz each, minute markers of 100ms 1000 Hz each. From

49m. to 00m.: second markers of 5ms each, minute markers of 100ms each. All time signals are sent 50ms in advance of UTC.

SRI LANKA

2480 Colombo (4PB). 0555-0600, 1325-1330. English 482 kHz, A2A, 1 kW;

8473 kHz, A1A, 2.5 kW.

SYSTEM: From 53m./23m. to 55m./25m.: “CQ DE 4PB TIME SIGNALS AS”. From 55m./25m. to 00m./30m.: second markers of 100ms each, minute markers of 400ms each.

CHINA

2485.1 Shanghai (XSG). 0256-0856. (See below) 458 kHz, A1A, A2A;

4290 kHz, A1A;

6414.5 kHz, A1A;

6454 kHz, A1A;

8487 kHz, A1A;

8502 kHz, A1A;

12871.5 kHz, A1A;

12954 kHz, A1A;

17002.4 kHZ, A1A.

SYSTEM: From 59m.-55s. to 59m.-59s.: second markers of 100ms each. 00m.-00s.: minute marker of 100ms.

(1)

No.

(2)

Name

(3)

Hours of Transmission

(4)

System

(5)

Frequency
RADIO TIME SIGNALS

2 - 17

2490 Xian (BPM). 0730-0100. (See below) 2500 kHz, A1A, A3E.

Continuous. 5000 kHz, A1A, A3E.

Continuous. 10000 kHz, A1A, A3E.

0100-0900. 15000 kHz, A1A, A3E.

SYSTEM: From 00m. to 10m.: UTC second markers of 10ms each, UTC minute markers of 300ms each. From 10m. to 15m.: carrier. From 15m. to 25m.: UTC second

markers of 10ms each, UTC minute markers of 300ms each. From 25m. to 29m.: UT1 second markers of 100ms each, UT1 minute markers of 300ms each. From 29m.-00s.

to 29m.-40s.: “BPM” in morse code. From 29m.-40s. to 30m.-00s.: “BPM” and other station identification in Chinese. From 30m. to 40m.: UTC second markers of 10ms each,

UTC minute markers of 300ms each. From 40m. to 45m.: carrier. From 45m. to 55m.: UTC second markers of 10ms each, UTC minute markers of 300ms each. From 55m.

to 59m.: UT1 second markers of 100ms each, UT1 minute markers of 300ms each. From 59m.-00s. to 59m.-40s.: “BPM” in morse code. From 59m.-40s. to 00m.-00s.: “BPM”

and other station identification in Chinese. All UTC signals are broadcast 20ms in advance of UTC.

JAPAN

2500 Sanwa (JG2AS). Continuous in the absence of telegraph traffic. (See below) 40 kHz, A1A, 10 kW.

SYSTEM: From 00m.-01s. to 00m.-58s.: second markers of 500ms each. 00m.-59s.: second marker of 200ms. 01m.-00s.: minute marker of 500ms. At 15m. and 45m.:

“JG2AS JG2AS JG2AS” in morse code.

2501 Sanwa (JJY). Continuous. (See below) 2500 kHz, A9W, 2 kW;

5000 kHz, A9W, 2 kW;

8000 kHz, A9W, 2 kW;

10000 kHz, A9W, 2 kW;

15000 kHz, A9W, 2 kW.

DUT1: Marked seconds indicated by 45ms pulses.

SYSTEM: Second markers of 5ms 1600 Hz tone each are used. The second marker indicating the minute is preceded by an annunciatory marker: from 59.000s. to 59.005s.

a second marker of 5ms 1600 Hz tone; from 59.005s. to 59.045s. silence; from 59.045s. to 59.700s. annunciatory marker of 655ms 600 Hz; from 59.700s. to 00.000s. silence;

from 00.000s. to 00.005s. a second marker of 5ms 1600 Hz. The carrier is modulated by a 1000 Hz tone as well as the second markers during alternating 5m. periods. From

00m. to 05m.: second markers and 1000 Hz tone. From 05m. to 09m.: second markers only. From 09m. to 10m.: second markers; “JJY JJY” and time (-9I) in morse code

and then in voice; radio propagation warnings in morse code: “N” - normal, “U” - unstable, “W” - disturbed. This 10m. cycle is repeated throughout each hour except for 35m.

to 39m., which is a silent period.

REPUBLIC OF KOREA

2505 Taedok (HLA). Mon.-Fri.: 0100-0800. (See below) 5000 kHz.

DUT1: Marked seconds indicated by double pulse.

SYSTEM: 00s.: minute marker of 500ms 1800 Hz tone. From 01s. to 28s.: second markers of 5ms 1800 Hz tone each. 29s.: silence. From 30s. to 52s.: second markers of

5ms 1800 Hz tone each. From 53s. to 58s.: time announcement by voice. 59s.: silence. 00m.: hour marker of 500ms 1500 Hz tone. A binary time code is transmitted

continuously on a 100 kHz subcarrier.

PHILIPPINES

2530 Manila (DUW21). Every even hour +55m. to +60m. U.S. 3650 kHz, A1A, 0.5 kW.

(1)

No.

(2)

Name

(3) Hours of Transmission(4)

System

(5)

Frequency
RADIO TIME SIGNALS

2 - 18

AUSTRALIA

2600 Radio Australia. 0700, 0800, 0900, 1000, 1100, 1200. (See below) 6020 kHz.

1500, 1700, 1800, 1900, 2000. 6060 kHz.

0700, 0800, 0900, 1000, 1100, 1200, 1500,

1700, 1800, 1900, 2000.

6080 kHz.

0900, 1000, 1100, 1200, 1300, 1400, 1500,

1600, 1700, 1800, 1900, 2000.

7240 kHz.

1500, 1600, 1700, 1800, 1900, 2000. 7260 kHz.

0900, 1000, 1100. 9510 kHz.

0900, 1000, 1100, 1200, 1300, 1400, 1500,

1600, 1700, 1800, 1900, 2000.

9580 kHz.

2100, 2200. 9645 kHz.

0700, 0800, 0900, 1000, 1100, 1200. 9710 kHz.

1500, 1600. 9770 kHz.

1500, 1600, 1700, 1800, 1900, 2000. 11660 kHz.

1500, 1600, 1700, 1800, 1900, 2000. 11695 kHz.

0000, 0100, 0200, 0300, 0700, 0800, 0900,

1000, 1100, 1900, 2000, 2100, 2200, 2300.

11720 kHz.

1300, 1400, 1500. 11800 kHz.

2100, 2200. 11855 kHz.

0000, 0100, 0200, 0300, 0700, 0800, 1700,

1800, 1900, 2000, 2200, 2300.

11880 kHz.

0700, 0800. 11910 kHz.

0000, 0900, 1000, 1100. 13605 kHz.

1300, 1400. 13755 kHz.

0900, 1000, 1100. 15170 kHz.

0000, 0100, 0200, 0300, 2300. 15240 kHz.

0000, 0100, 0200, 0300, 2100, 2200, 2300. 15320 kHz.

0000, 0700, 0800, 2100, 2200, 2300. 15365 kHz.

0100, 0200, 0300. 15510 kHz.

1200. 15530 kHz.

1200. 15565 kHz.

0700, 0800. 17695 kHz.

0100, 0200, 0300. 17715 kHz.

0000, 0100, 0200, 0300, 0700, 0800. 17750 kHz.

0000, 2200, 2300. 17795 kHz.

0000, 0100, 0200, 0300. 17880 kHz.

0700, 0800. 21525 kHz.

0100, 0200, 0300, 0700, 0800. 21595 kHz.

0900, 1000, 1100. 21725 kHz.

0000, 0400, 0500, 0600, 2200, 2300. 21740 kHz.

SYSTEM: From 59m.-55s. to 59m.-59s.: second markers of 100ms each. 00m.-00s.: minute marker of 500ms. In addition a warning signal consisting of a single dot is

transmitted 5s. before the first series of six dots (at ten seconds before the hour).

(1)

No.

(2)

Name

(3)

Hours of Transmission

(4)

System

(5)

Frequency
RADIO TIME SIGNALS

2 - 19

2601 Llandilo, Penrith (VNG). Continuous. (See below) 2500 kHz, H9W, 1 kW;

5000 kHz, B9W, 10 kW;

8638 kHz, A1A, 10 kW;

12984 kHz, A1A, 10 kW.

2200-1000. 16000 kHz, B9W, 5 kW.

DUT1: Marked seconds indicated by a double pulse.

SYSTEM: 00s.: minute marker of 500ms. From 01s. to 16s.: second markers of 50ms each, lengthened (as necessary) by 50ms of 900 Hz tone to indicate the current value

of DUT1. From 17s. to 19s.: second markers of 50ms each. 20s.: second marker of 200ms. From 21s. to 46s.: second markers of 100ms or 200ms each, indicating the time

of day and the day of the year in machine readable CCIR code. From 47s. to 49s.: second markers of 50ms each. From 50s. to 54s.: second markers of 5ms each. From

55s. to 58s.: second markers of 50ms each. 59s.: silent. Every 5th minute from 50s. to 58s.: second markers of 5ms each. Second markers of 1000 Hz tone are used. On

frequencies 2500, 5000 and 16000 kHz from 01s. to 03s. of each minute a female voice announces the time of day of the preceding minute marker. On frequencies 2500,

5000 and 16000 kHz from 21s. to 49s. on every 15th minute a male voice announces the details of the service. On frequencies 8638 and 12984 kHz for one minute following

14m.-00s., 29m.-00s., 44m.-00s. and 59m.-00s. the call sign VNG (which may be distorted) is transmitted in slow morse at an audio tone of about 400 Hz.

INDONESIA

2633 Jakarta (PKI)(PLC). 0055-0100. Modified ONOGO PKI: 8542 kHz, A1A, 1-3 kW;

PLC: 11440 kHz, A1A.

TAIWAN

2635 Chung-Li (BSF). Continuous. (See below) 5000 kHz, A1A, A2A;

15000 kHz, A1A, A2A.

DUT1: Marked seconds indicated by lengthened pulse.

SYSTEM: Second markers of 5ms each and minute markers of 300ms each are used. A 1000 Hz tone is transmitted constantly except from 40ms before to 40ms after each

marker during alternating 5m. periods. From 00m. to 05m.: markers with 1000 Hz tone. From 05m. to 10m.: markers without the 1000 Hz tone. This 10m. cycle is repeated

throughout the hour except for 35m. to 40m., which is a silent period.

(1)

No.

(2)

Name

(3)

Hours of Transmission

(4)

System

(5)

Frequency

3 - 1

CHAPTER 3

RADIO NAVIGATIONAL WARNINGS

300A. General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

300B. Coastal and Local Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

300C. Long Range Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

300D. Worldwide Warnings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

300E. Worldwide Warnings Message Content . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

300F. Warning Message Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

300G. SPECIAL WARNINGS and Broadcast Stations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

300H. NAVTEX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

300I. U.S. NAVTEX Transmitting Stations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7

300J. Worldwide NAVTEX Transmitting Stations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11

300K. Ice Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16

300L. Navigational Warning Station List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27

300M. WorldWide Navigational Warning Service NAVAREA Coordinators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-78

3 - 3

CHAPTER 3

RADIO NAVIGATIONAL WARNINGS

300A. General

Radio navigational warning broadcasts are designed to

provide the mariner with up-to-date marine information

vital to safe navigation. These warnings are described as

follows:

– Worldwide - Important worldwide marine information.

– Long Range - Important worldwide information issued

by geographic area.

– Coastal and Local - Short-range marine information,

including items of interest to small craft.

300B. Coastal and Local Warnings

These broadcasts are generally restricted to ports,

harbors, and coastal waters, and involve items of local

interest. Usually, local or short-range warnings are

broadcast from a single coastal station, frequently by voice

as well as radiotelegraph, to assist small craft operators in

the area. The information is often quite detailed. Foreign

area broadcasts are frequently in English as well as the

native language. In the United States, short-range radio

navigational warnings are broadcast by the U.S. Coast

Guard Districts via NAVTEX and subordinate coastal radio

stations.

300C. Long Range Warnings

These warnings are intended primarily to assist mariners

on the high seas by promulgating navigational safety

information concerning port and harbor approaches,

coastlines, and major ocean areas. Long-range radio

navigational warnings are usually broadcast by means of

radiotelegraphy, and in many instances by

radio-teletypewriter.

The NAVAREA system of 16 navigational warning areas

has been developed by a joint committee of the

International Hydrographic Organization and the

International Maritime Organization. The NAVAREA

system provides worldwide coverage in English using

standard format and procedures.

Each NAVAREA is under the jurisdiction of an Area

Coordinator. The Area Coordinator assimilates

information from the coastal countries within the

NAVAREA. Accountability is maintained through annual

serialization and notification of cancellation. National

Coordinators are charged with collecting warning

information from sources within their national boundaries.

National Coordinators often broadcast local or coastal

warnings.

The United States participates as Area Coordinator for

both NAVAREA IV and NAVAREA XII. NAVAREA IV

includes the Western North Atlantic. NAVAREA XII

includes the Eastern North Pacific.

The National Geospatial-Intelligence Agency (NGA)

acts as the NAVAREA IV and XII Coordinator and the

United States Coast Guard (USCG) acts as the U.S.

National Coordinator.

300D. Worldwide Warnings

The United States also maintains worldwide coverage

using the HYDROLANT/HYDROPAC Navigational

Warning System outside of NAVAREAs IV and XII.

HYDROLANTs cover the eastern North Atlantic, South

Atlantic, North Sea, Baltic Sea, English Channel,

Mediterranean Sea, and contiguous areas. HYDROPACs

include the western North Pacific, South Pacific, South

China Sea, Indian Ocean, Red Sea, Persian Gulf, and

contiguous areas. The combination of HYDROLANTs,

HYDROPACs, NAVAREA IVs and NAVAREA XIIs

provides worldwide notification of the more important

marine incidents and navigational changes.

300E. Worldwide Warnings Message Content

NAVAREA IV, NAVAREA XII, HYDROLANT, and

HYDROPAC Warnings normally include:

– Casualties to major and outermost aids to navigation

such as primary lights, lightships, large navigational buoys

(LNBs), approach or sea buoys, etc. Mariners should

monitor local broadcasts for information concerning

inshore, harbor and inland waterways, and aids which

otherwise may not affect offshore navigation.

– Establishment of new aids that could affect the safety of

offshore navigation. Alterations of an established aid

where the change might be confusing are also broadcast.

– Floating dangers, such as those drifting in or near

sea-lanes and large derelicts adrift on the high seas.

Following the end of the ice season, all reports of ice below

52 ̊N which endanger the North Atlantic shipping lanes are

also broadcast. Trees, timbers, and drifting buoys do not

normally constitute a danger for oceangoing ships and are

not broadcast on the long-range systems. They may be

promulgated in local broadcasts.

– New or amended shoal depths, or other changes in

hydrography.

– Dangerous wrecks, obstructions, etc.

– Selected exercises and hazardous operations conducted

by units of the armed forces are normally broadcast.

Specifically, these include the use of flares, searchlights or

pyrotechnics that may be mistaken for distress signals,

night firing exercises, darken-ship exercises, submarine

exercises, missile launches, space missions, and nuclear

tests. Such warnings are purely cautionary and are not

intended to obstruct the right of innocent passage upon the

high seas.
3 - 4

THE DELIMINATION OF SUCH AREAS IS NOT RELATED AND SHALL NOT PREJUDICE THE DELIMITATIONS OF ANY BOUNDARIES BETWEEN 

WORLDWIDE NAVIGATIONAL WARNING SERVICE (WWNWS) NAVAREAS
3 - 5

U.S. RADIO NAVIGATIONAL WARNING SYSTEMS
RADIO NAVIGATIONAL WARNINGS

3 - 6

– Information regarding drifting mines and unexploded

ordnance at depths of less than 100 fathoms is broadcast

when there is a clear danger to shipping.

– Vessels engaged in seismic operations, which often

detonate explosives and tow extremely long cables.

– Malfunctions, scheduled off-air time for maintenance,

and other information concerning electronic aids to

navigation, including marine radiobeacon, LORAN-C,

GPS, DGPS service, and satellite navigation systems.

– Establishment of offshore structures in or near shipping

lanes.

– The presence of large unwieldy tows in congested

waters.

– Notification of special changes or events such as

alteration or suspension of mandatory traffic separation

schemes or activation of a new buoyage system.

In accordance with IMO guidelines (COMSAR/Circ.3,

dated 19 April 1996), NGA no longer promulgates

messages for distress, search and rescue, man overboard,

overdue vessels, EPIRBs, etc., in NAVAREA IV and XII.

Rescue Coordination Centers (RCCs) are responsible for

promulgating messages concerning distress and search and

rescue as SafteyNET broadcasts via Inmarsat-C. Distress

messages outside the limits of NAVAREA IV and XII will

continue to be promulgated as HYDROLANT and

HYDROPAC Warnings.

300F. Warning Message Format

Each of the four different types of Radio Navigational

Warnings issued by NGA uses the same format. The first

word of the heading identifies what series is involved:

NAVAREA IV, NAVAREA XII, HYDROLANT, or

HYDROPAC. Following the series title is the annual serial

number, used for identification and record keeping

purposes. Following the serial number and year, and

enclosed by parentheses, are two more digits: the

geographic subregion locator. This is the same as the

subregion system used for numbering charts. The limits of

the subregions appear on the inside back cover of each

Notice to Mariners. Last, a brief geographic description is

included.

The second line contains a chart number if the message

concerns an aid to navigation. This chart is selected to

identify the aid. It is not necessarily the largest-scale chart

of the area, but is usually the best for determining how the

warning will affect the mariner. It is usually the chart the

mariner would select for navigation when approaching the

aid.

Times are always expressed in Universal Time

Coordinated (UTC).

Navigation safety messages are canceled when no longer

applicable. Messages are always canceled by specific

notification. A message pertaining to an exercise or event

of known duration includes its own cancellation, usually

one hour after conclusion of the event. Warnings which are

sufficiently permanent in nature to warrant promulgation in

the Notice to Mariners are canceled no sooner than six

weeks after publication of that printed Notice.

Section III of the Notice to Mariners includes a listing of

the serial numbers for all Radio Navigational Warnings in

force. Each week, NGA promulgates a general Radio

Navigation Warning message for each series which lists the

serial number of each message issued during the last six

weeks and in force at the time the message is compiled.

300G. SPECIAL WARNINGS and Broadcast

Stations

SPECIAL WARNINGS are limited series broadcasts by

U.S. Navy and Coast Guard radio stations primarily for the

dissemination of official government proclamations

affecting shipping.

The texts of all SPECIAL WARNINGS in force are

published in Notice to Mariners No. 1 each year. SPECIAL

WARNINGS may be broadcast throughout the year. NGA

promulgates SPECIAL WARNINGS 24 hours, 48 hours

and for the next five Fridays after their initial release. Their

text appears in the next published Notice to Mariners

following their broadcast. Each Notice to Mariners lists all

in-force SPECIAL WARNINGS.

Masters are urged to provide themselves with an

accurate list of all radio navigational warning messages

and SPECIAL WARNINGS prior to sailing.

Radio Navigational Warnings issued by NGA are

broadcast by the following stations:

– HYDROLANT Warnings are transmitted from Boston,

MA (NMF).

– NAVAREA IV Warnings are transmitted from Boston,

MA (NMF).

– HYDROPAC and NAVAREA XII warnings are

transmitted from Port Reyes, CA (NMC), Honolulu, HI

(NMO); Guam (NRV).

300H. NAVTEX

NAVTEX is an international automated direct printing

service for the promulgation of navigational and

meteorological warnings and urgent information to ships.

It provides a low cost, simple means for the automatic

reception of Marine Safety Information (MSI) by narrow

band direct-printing telegraphy. NAVTEX is a component

of the WorldWide Navigational Warning Service

(WWNWS) and is an essential element of the Global

Maritime Distress and Safety System (GMDSS). Vessels

regulated by the Safety of Life at Sea (SOLAS)

Convention, as amended in 1988 (cargo vessels over 300

tons and passenger vessels, on international voyages), and

operating in areas where NAVTEX service is available,

have been required to carry NAVTEX receivers since 1

August 1993. The USCG discontinued broadcasts of safety

information over MF Morse frequencies on that date. The

USCG voice broadcasts (Ch. 22A), often of more inshore

and harbor information, will remain unaffected by

NAVTEX.

A NAVTEX user’s placard, which is intended to be

laminated and either hung or posted near the NAVTEX

reciver, can be found on pgs. 3-9 and 3-10.
RADIO NAVIGATIONAL WARNINGS

3 - 7

NAVTEX FEATURES: NAVTEX messages are

broadcast on a single frequency, 518 kHz, using the

English language. Nominated stations within each

NAVAREA transmit on a time-sharing basis to eliminate

mutual interference. All necessary information is

contained in each transmission. The power of each

transmitter is regulated in order to avoid the possibility of

interference between transmitters.

A dedicated NAVTEX receiver has the ability to select

messages to be printed according to:

– a technical code (B1B2B3B4) which appears in the

preamble of each message; and

– whether or not the particular message has already been

printed.

By International agreement, certain essential classes of

safety information such as navigational and meteorological

warnings and search and rescue information are

non-rejectable to ensure that ships using NAVTEX always

receive the most vital information.

NAVTEX coordinators exercise control of messages

transmitted by each station according to the information

contained in each message and the geographical coverage

required. Therefore, the mariner may choose to accept

messages, as appropriate, either from the single transmitter

which serves the sea area around his position or from a

number of transmitters.

MESSAGE PRIORITIES: Three message priorities are

used to dictate the timing of the first broadcast of a new

warning in the NAVTEX service. In descending order of

urgency they are:

–VITAL–for immediate broadcast, subject to avoiding

interference of ongoing transmissions;

–IMPORTANT– for broadcast at the next available period

when the frequency is unused;

–ROUTINE–for broadcast at the next scheduled

transmission period.

Both VITAL and IMPORTANT warnings will normally

need to be repeated, if still valid, at the next scheduled

transmission period.

TRANSMITTER IDENTIFICATION CHARACTER

(B1): The transmitter identification character B1 is a single

unique letter which is allocated to each transmitter. It is

used to identify the broadcasts which are to be accepted or

rejected by the receiver. Two stations having the same B1

character must have a sufficient geographical separation so

as to minimize interference with one another. NAVTEX

transmissions have a designed range of about 400 nautical

miles.

SUBJECT INDICATOR CHARACTERS (B2):

Information in the NAVTEX broadcast is grouped by

subject. The subject indicator character B2 is used by the

receiver to identify the different classes of messages listed

below. The indicator is also used to reject messages

concerning certain optional subjects which are not required

by the ship (e.g., LORAN-C messages might be rejected

by a ship which is not fitted with a LORAN-C receiver).

Receivers also use the B2 character to identify messages,

which because of their importance, may not be rejected.

A: Navigational warnings1

B*: Meteorological warnings1

C: Ice reports

D: Search and rescue information, and pirate

attack warnings1

E: Meteorological forecasts

F*: Pilot service messages

G*: DECCA messages

H: LORAN messages

J: SATNAV messages

K: Other electronic navaid messages

L: Navigational warnings (additional to A)2

V to Y: Special services (allocation by NAVTEX

Panel)

Z: No messages on hand

1Cannot be rejected by the receiver

2 Should not be rejected by the receiver

*Normally not used in the United States

NOTE: Since the National Weather Service normally

includes meteorological warnings in forecast messages,

meteorological warnings are broadcast using the subject

indicator character E. U.S. Coast Guard District Broadcast

Notices to Mariners affecting ships outside the line of

demarcation, and inside the line of demarcation in areas

where deep draft vessels operate, use the subject indicator

character A. Two subject indicator characters for non-MSI

messages in the United States were established 1 October

1995, but currently are not in use: V for Notice to

Fisherman and W for Environmental messages.

MESSAGE NUMBERING (B3B4): Each message within

a subject group is assigned a serial number, B3B4, between

01 and 99. This number will not necessarily relate to series

numbering in other radio navigational warning systems.

On reaching 99, numbering should restart at 01 but avoid

the use of message numbers still in force.

300I. U.S. NAVTEX Transmitting Stations

NAVTEX coverage is reasonably continuous off the U.S.

East, Gulf, and West Coasts, as well the area around Puerto

Rico, Kodiak Alaska, Hawaii and Guam. The U.S. has no

coverage in the Great Lakes, though coverage of much of

the Lakes is provided by the Canadian Coast Guard. U.S.

Coast Guard NAVTEX broadcast stations are as follows:

– Boston (NMF) (Station F)

– Chesapeake (Portsmouth) (NMN) (Station N)

– Savannah (NMN) (Station E)

– Miami (NMA) (Station A)

– Isabella (San Juan) (NMR) (Station R)

– New Orleans (NMG) (Station G)

– Cambria (NMQ) (Station Q)

– Point Reyes (San Francisco) (NMC) (Station C)

– Astoria (NMW) (Station W)

– Kodiak (NOJ) (Station J)

– Honolulu (NMO) (Station O)

– Guam (NRV) (Station V)
3 - 8

NAVTEX COVERAGE WITHIN NAVAREAS IV AND XII
RADIO NAVIGATIONAL WARNINGS

3 - 9

PRACTICAL INSTRUCTIONS FOR THE USE OF A NAVTEX RECEIVER

The NAVTEX receiver is a Narrow Band Direct Printing (NBDP) device operating on the frequency 518 kHz (some

equipment can also operate on 490 and 4209.5 kHz), and is a vital part of the Global Maritime Distress and Safety

System (GMDSS).

It automatically receives Maritime Safety Information such as Radio Navigational Warnings, Storm/Gale Warnings,

Meteorological Forecasts, Piracy Warnings, Distress Alerts, etc. (full details of the system can be found in IMO

Publication IMO-951E - The NAVTEX Manual).

The information received is printed on the receiver’s own paper recorder roll. Each message begins with a start of

message function (ZCZC) followed by a space then four B characters. The first, (B1), identifies the station being

received, the second, (B2), identifies the subject i.e. Navigational Warning, Met Forecasts, etc., and the third and

fourth, (B3 + B4), form the consecutive number of the message from that station. This is followed by the text of the

message and ends with an end of message function (NNNN).

The NAVTEX system broadcasts COASTAL WARNINGS that cover the area from the Fairway Buoy out to about

250 nautical miles from the transmitter; the transmissions from some transmitters can be received out to 400

nautical miles and even further in unusual propagational conditions.

The practical advice on the other side of this card will help to ensure that you make the most efficient use of your

NAVTEX receiver, guaranteeing the reception of Maritime Safety Information within the respective coverage areas

of the NAVTEX stations being used.
RADIO NAVIGATIONAL WARNINGS

3 - 10

NAVTEX RECEIVER CHECK-OFF LIST

For a NAVTEX receiver to function effectively, it is essential that the operator should have a sound knowledge of

how to programme and operate his particular receiver. This is not difficult provided the following practical steps are

followed:

1. Make sure that there are sufficient rolls of NAVTEX paper on board.

2. Check that there is paper in the receiver.

3. Turn the NAVTEX receiver on at least four hours before sailing, or better still, leaves it turned on permanently.

This avoids the chance of losing vital information that could affect the vessel during its voyage.

4. Make sure that the Equipment Operating Manual is available close to the equipment, paying particular attention

to the fact that your equipment may be programmed differently from other makes and models.

5. Using the Equipment Operating Manual, make a handy guide for programming, status and autotesting procedures

for your vessel’s equipment, place it in a plastic cover and keep it with the equipment.

6. Have available next to the equipment a plasticised copy of the NAVAREAs/METAREAs in which the vessel is

likely to sail, showing the NAVTEX stations, their coverage ranges, their respective time schedules and B1

characters.

7. Programme your receiver to accept only those messages identified with the B1 character of the NAVTEX station

which covers the area in which your vessel is currently sailing and the one covering the area into which you are

about to sail. This will avoid the equipment printing information which has no relevance to your voyage and will

avoid unnecessary waste of paper.

8. Programme your receiver to accept only those messages identified with the B2 characters (type of message) you

wish to receive. It is recommended that most B2 characters (A to Z) be programmed, but you may exclude those for

navaid equipments (Decca or Loran for example) with which your vessel is NOT fitted. Be aware that the characters

A, B and D MUST be included, as they are mandatory.

9. Take extra care not to confuse the programming of B1 characters (station designators) with those of B2 characters

(type of messages). It is very easy for an operator to believe that he/she is programming B1 characters when in fact

they are programming B2 characters. After programming ALWAYS CHECK the programme status to ensure that it

is correct.

10. If information is received incomplete/garbled, inform the relevant NAVTEX station, giving the time of reception

(UTC) and your vessel’s position. By so doing, not only will you obtain the information you require, but you will

also help to improve the system. In the same way, any safety-critical occurrences observed during the voyage must

be passed immediately to the nearest (or most convenient) Coast Radio Station and addressed to the relevant

NAVAREA/METAREA or National Co-ordinator responsible for the area in which you are sailing.
RADIO NAVIGATIONAL WARNINGS

3 - 11

300J. Worldwide NAVTEX Transmitting

Stations

The following operational coast radio stations, extracted

from ANNEX 7 of the IMO GMDSS Master Plan, provide

NAVTEX service. The frequency is 518 kHz unless

otherwise indicated. For scheduled Maritime Safety

Information (MSI) broadcast times of a particular coast

radio station see sec. 300L.

NAV/MET

Area

Country NAVTEX

Coast Station

Position Range

(NM)

Transmitter

Identification

(B1) Character

I Belgium Oostende 51-11N 02-48E 150 M

55 T

Denmark (GreenlandEast Coast)Reykjavik 64-05N 21-51W 550 X

Estonia Tallinn 59-30N 24-30E 250 U

France Niton (U.K.) 50-35N 01-18W 270 K

T (French)1

Iceland Reykjavik 64-05N 21-51W 550 R

R (Icelandic)1

Ireland Valentia 51-27N 09-49W 400 W

Malin Head 55-22N 07-21W 400 Q

Netherlands Netherlands Coast Guard

(Den Helder)

52-57N 04-47E 250 P

Norway Bodø 67-16N 14-23E 450 B

Rogaland 58-48N 05-34E 450 L

Vardø 70-22N 31-06E 450 V

Svalbard 78-04N 13-38E 450 A

Ørlandet 63-40N 09-33E 450 N

Russian Federation Murmansk 68-46N 32-58E 300 C

Arkhangel’sk 64-51N 40-17E 300 F

Sweden Stockholm (Bjuröklubb) 64-28N 21-36E 300 H

Stockholm (Gislövshammer) 55-29N 14-19E 300 J

Stockholm (Grimeton) 57-06N 12-23E 300 D

United Kingdom Cullercoats 55-04N 01-28W 270 G

U1

Portpatrick 54-51N 05-07W 270 O

C1

Niton 50-35N 01-18W 270 E

I1

II France Corsen (CROSS) 48-28N 05-03E 300 A

E (French)1

Portugal Horta (Azores) 38-32N 28-38W 640 F

J (Portuguese)1

Monsanto 38-44N 09-11W 530 R

G (Portuguese)1

Spain Coruna 43-21N 08-27W 400 D

Tarifa 36-01N 05-34W 400 G

Las Palmas 28-10N 15-25W 400 I

1 490 kHz broadcast service.
RADIO NAVIGATIONAL WARNINGS

3 - 12

III Bulgaria Varna 43-04N 27-46E 350 J

Croatia Split 43-30N 16-29E 85 Q

Cyprus Cyprus 35-03N 33-17E 200 M

Egypt Alexandria 31-12N 29-52E 350 N

France La Garde (CROSS) 43-06N 05-59E 250 W

S (French)1

Greece Iraklion 35-20N 25-07E 280 H

Kerkira 39-37N 19-55E 280 K

Limnos 39-52N 25-04E 280 L

Israel Haifa 32-49N 35-00E 200 P

Italy Roma 41-48N 12-31E 320 R

Augusta 37-14N 15-14E 320 V

Cagliari 39-14N 09-14E 320 T

Trieste 45-41N 13-46E 320 U

Malta Malta 35-49N 14-32E 400 O

Romania Constanta 44-12N 28-40E 250 L (Romanian)1

Russian Federation Novorossiysk 44-36N 37-58E 300 A

Astrakhan (Caspian Sea) 45-47N 47-33E 250 W

Spain Cabo de la Nao 38-43N 00-09E 300 X

Turkey Istanbul 41-04N 28-57E 300 D

Samsun 41-17N 36-20E 300 E

Antalya 36-53N 30-42E 300 F

Izmir 38-21N 26-35E 300 I

Ukraine Kerch 45-23N 36-28E 120 B

Odessa 46-29N 30-44E 280 C

IV Bermuda Bermuda 32-23N 64-40W 280 B

Canada Riviere-au-Renard 50-15N 66-10W 300 C

D (French)

Wiarton 44-20N 81-10W 300 H

St. John’s 47-30N 52-40W 300 O

Thunder Bay 48-25N 89-20W 300 P

Sydney 46-10N 60-00W 300 Q

J (French)

Yarmouth 43-45N 66-07W 300 U

V (French)

Labrador 53-42N 57-02W 300 X

Iqaluit 63-43N 68-33W 300 T

S (French)1

Denmark (GreenlandWest Coast)Nuuk (Kook Island) 64-04N 52-01W 400 W

Netherlands Antilles Curaçao 12-10N 68-52W 400 H

United States Miami 25-37N 80-23W 240 A

Boston 41-43N 70-30W 200 F

1 490 kHz broadcast service.

NAV/MET

Area

Country NAVTEX

Coast Station

Position Range

(NM)

Transmitter

Identification

(B1) Character
RADIO NAVIGATIONAL WARNINGS

3 - 13

IV United States (cont.) New Orleans 29-53N 89-57W 200 G

Chesapeake (Portsmouth) 36-43N 76-00W 280 N

Isabella 18-28N 67-04W 200 R

Savannah 32-08N 81-42W 200 E

VI Argentina Ushuaia 54-48S 68-18W 280 M

Rio Gallegos 51-37S 65-03W 280 N

Comodoro Rivadavia 45-51S 67-25W 280 O

Bahia Blanca 38-43S 62-06W 280 P

Mar del Plata 38-03S 57-32W 280 Q

Buenos Aires 34-36S 58-22W 560 R

Uruguay La Paloma 34-40S 54-09W 280 F

A (Spanish)1

VII Namibia Walvis Bay 23-03S 14-37E 378 B

South Africa Cape Town 33-40S 18-43E 500 C

Port Elizabeth 34-02S 25-33E 500 I

Durban 30-00S 31-30E 500 O

VIII India Bombay 19-05N 72-50E 250 G

Madras 13-08N 80-10E 250 P

Mauritius Mauritius 20-10S 57-28E 400 C

IX Bahrain Hamala 26-09N 50-28E 300 B

Egypt Ismailia (Serapeum) 30-28N 32-22E 400 X2

Quseir (Kosseir) 26-06N 34-17E 350 V

Iran Bushehr 28-59N 50-50E 300 A

Bandar Abbas 27-07N 56-04E 300 F

Saudi Arabia Dammam 26-26N 50-06E 390 G

Jiddah 21-23N 39-10E 390 H

Oman Muscat 23-36N 58-30E 270 M

Pakistan Karachi 24-51N 67-03E 400 P

X Australia is only providing coastal warnings through the International SafetyNET Service (AUSCOAST).

XI China Sanya 18-14N 109-30E 250 M

Guangzhou 23-08N 113-32E 250 N

Fuzhou 26-01N 119-18E 250 O

Shanghai 31-08N 121-33E 250 Q

Dalian 38-52N 121-31E 250 R

Indonesia Jayapura 02-31S 140-43E 300 A

Amboina (Ambon) 03-42S 128-12E 300 B

Makassar 05-06S 119-26E 300 D

Jakarta 06-06S 106-54E 300 E

Japan Otaru 43-19N 140-27E 400 J

Kushiro 42-57N 144-36E 400 K

Yokohama 35-14N 139-55E 400 I

1 490 kHz broadcast service.

2 Includes 4209.5 kHz broadcast service.

NAV/MET

Area

Country NAVTEX

Coast Station

Position Range

(NM)

Transmitter

Identification

(B1) Character
RADIO NAVIGATIONAL WARNINGS

3 - 14

XI Japan (cont.) Moji 34-01N 130-56E 400 H

Naha 26-05N 127-40E 400 G

Malaysia Pinang 05-26N 100-24E 350 U

Miri 04-28N 114-01E 350 T

Sandakan 05-54N 118-00E 350 S

Korea, Republic of Chukpyon 37-03N 129-26E 200 V

J (Korean)1

Pyonsan 35-36N 126-29E 200 W

K (Korean)1

Singapore Singapore 01-25N 103-52E 400 C

Taiwan Chi-lung (Keelung) 25-08N 121-45E 540 P2

V (Chinese)2

Linyuan 22-29N 120-25E 540 P2

X (Chinese)2

Yenliaoken 23-54N 121-36E 350 P

X (Chinese)1

Lintou 23-33N 119-38E 350 P

V (Chinese)1

Thailand Bangkok 13-43N 100-34E 200 F

United States Guam 13-29N 144-50E 100 V

Vietnam Ho Chi Minh City 10-47N 106-40E 400 X

Da Nang 16-05N 108-13E 400 K

Hong Kong (China) Hong Kong 22-13N 114-15E 400 L

XII Canada Prince Rupert 54-17N 130-25W 300 D

Tofino 48-55N 125-32W 300 H

United States Pt. Reyes (San Francisco) 37-55N 122-44W 350 C

Kodiak 57-46N 152-34W 200 J

Honolulu 21-22N 158-09W 350 O

Cambria (Long Beach) 35-31N 121-03W 350 Q

Astoria 46-10N 123-49W 216 W

XIII Russian Federation Vladivostok 43-23N 131-54E 230 A

Kholmsk 47-02N 142-03E 300 B

Petropavlovsk 53-15N 158-25E 300 C

Magadan 59-41N 150-09E 120 D

Okhotsk 59-22N 143-12E 300 G

XV Chile Antofagasta 23-40S 70-25W 300 A

H (Spanish)

Valparaiso 32-48S 71-29W 300 B

I (Spanish)

Talcahuano 36-42S 73-06W 300 C

J (Spanish)

1 490 kHz broadcast service.

2 4209.5 kHz broadcast service.

NAV/MET

Area

Country NAVTEX

Coast Station

Position Range

(NM)

Transmitter

Identification

(B1) Character
RADIO NAVIGATIONAL WARNINGS

3 - 15

XV Chile (cont.) Puerto Montt 41-30S 72-58W 300 D

K (Spanish)

Punta Arenas (Magallanes) 53-09S 70-58W 300 E

L (Spanish)

Isla de Pascua 27-09S 109-25W 300 F

G (Spanish)

XVI Peru Paita 05-05S 81-07W 400 S

Callao 12-03S 77-09W 400 U

Mollendo 17-01S 72-01W 400 W

NAV/MET

Area

Country NAVTEX

Coast Station

Position Range

(NM)

Transmitter

Identification

(B1) Character
RADIO NAVIGATIONAL WARNINGS

3 - 16

300K. Ice Information

INTERNATIONAL ICE PATROL: In February or

March, the International Ice Patrol (IIP) will commence its

annual service of providing maritime safety information on

ice conditions in the vicinity of the Grand Banks of

Newfoundland. Reports of ice in this area will originate

from various sources, including passing ships and IIP

reconnaissance flights. Pending ice severity, the IIP will

broadcast the southeastern, southern, and southwestern

limits of all known ice in two message bulletins each day

and a daily graphical chart containing ice information, to

inform ships of the extent of the estimated limits of all

known ice. The IIP continually monitors ice conditions in

the vicinity of the Grand Banks and will commence

iceberg warning information when appropriate; however,

regardless of ice density, the IIP will begin broadcasting at

least weekly (Friday) updates beginning on the Friday

nearest 15 February at 1200UTC.

Broadcasts of IIP bulletins are as follows:

BROADCAST STATION BROADCAST TIME (UTC) FREQUENCIES

NAVTEX Broadcast

USCG Communication Station

Boston/NMF.

0045, 0445, 0845,

1245, 1645, 2045.

518 kHz, F1B.

Special Broadcast during

next available time slot.

518 kHz, F1B.

Canadian CG Marine Communications

and Traffic Services St. John’s/VON.

1820 (winter),

2220 (summer).

518 kHz, F1B.

SITOR Broadcast

USCG Communication Station

Boston/NMF. (NIK via NMF)

0030. 6314, 8416.5,

12579 kHz, F1B.

1218. 8416.5, 12579,

16806.5 kHz, F1B.

RADIOFACSIMILE Broadcast

USCG Communication Station

Boston/NMF. (NIK via NMF)

1600, 1810. 6340.5, 9110,

12750 kHz, F3C.

Offenbach (Main), Germany via

Pinneberg/DDK/DDH.

0930, 2100. 3855, 7880,

13882.5 kHz, F1C.

Radio Telephone

Canadian CG Marine Communications

and Traffic Services St. Anthony/VCM.

(Iceberg Bulletin for NFLD Coast and

Belle Isle)

0107, 0907, 1907. 2598 kHz, J3E.

Continuous. VHF Channel 21B, 83B.

Special Broadcasts

Canadian CG Marine Communications

and Traffic Services St. John’s/VON.

0007, 0837, 1637, 2207

and as required.

2598 kHz, J3E.

Continuous. VHF Channel 21B, 28B, 83B.

Inmarsat SafetyNET Broadcasts

AOR-E and AOR-W Satellites. 0000, 1200. Inmarsat-C SafetyNET.

Special Broadcasts of targets outside

limits sent upon receipt.

World Wide Web

International Ice Patrol Web Page. Updated after 0000, 1200. http://www.uscg.mil/lantarea/iip

/home.html

National Weather Service. Updated daily after 1600. http://weather.noaa.gov/pub/fax/

PIEA88.gif

Automated Weather Network

Automated Weather Network (AWN). Updated daily at 0000, 1200. Header: STNT41 KNIK.

Telefacsimile upon Demand

Fax On Demand. Updated daily after 1600. Fax: (1) 860-441-2773.

E-mail On Demand. Updated daily after 1600. ftpmail@weather.noaa.gov
RADIO NAVIGATIONAL WARNINGS

3 - 17

Mariners should note that NAVTEX ice reports may be

programmed for rejection at the receiver. Mariners desiring

to receive IIP NAVTEX ice reports must ensure that their

receivers are appropriately programmed for reception.

The Ice Chart Facsimile and the 0000Z and 1200Z Ice

Bulletins are available on the World Wide Web at the

International Ice Patrol’s products section. IIP’s homepage

can be found at:

http://www.uscg.mil/lantarea/iip/home.html

The Ice Chart Facsimile is also available via Fax on

Demand from the IIP’s telefax machine. Dial (1)

860-441-2773 from a fax phone, and press “Copy” after

successful connection.

The Ice Chart Facsimile is also available via E-mail on

Demand from the National Weather Service’s FTP e-mail

system. Send an e-mail to ftp@weather.noaa.gov with any

subject line. The body of the text should read as follows:

open

cd fax

get PIEA88.gif ---or--- get PIEA88.tif

quit

The e-mail server will then automatically send a GIF or

TIF formatted image of the facsimile back to the sender’s

e-mail address.

The Ice Bulletin is now posted to the Automated

Weather Network, a weather service bulletin board

accessible by U.S. Department of Defense and NATO

units. Use header STNT41 KNIK to access IIP’s products.

The 0000Z and 1200Z Ice Bulletins will be broadcast

over the AOR-E and AOR-W Satellites. The 0000Z

bulletin is broadcast between 2000 and 2359Z, and the

1200Z bulletin is broadcast at 1130Z. In addition, safety

broadcasts regarding icebergs outside of the limits of all

known ice will be transmitted over both satellites upon

receipt.

COMMUNICATIONS WITH COMMANDER,

INTERNATIONAL ICE PATROL: All ships are

encouraged to immediately report sightings of ice to

COMINTICEPAT GROTON CT, when near or within the

“estimated limits of all known ice.” Ships are encouraged

to make reports even if no ice is sighted. The following

information should be included when reporting ice:

– Ship name and call sign.

– Iceberg position [specify either the geographic

coordinates (latitude, longitude) or range/bearing from

ship’s stated geographic position (latitude, longitude)].

– Time of sighting (in UTC).

– Method of detection (visual, radar, or both).

– Size and shape of iceberg (see tables below).

– Sea ice concentration (in tenths).

– Sea ice thickness in feet or meters (specify units).

The following tables describe size and shape criteria

used by the Ice Patrol:

In addition to ice reports, sea surface temperature and

weather reports are important to the Ice Patrol in predicting

the drift and deterioration of ice and in planning aerial

patrols. If you make routine weather reports to METEO

WASHINGTON, please continue to do so. If your vessel

does not normally make these reports, it is requested that

you make special reports directly to the Ice Patrol every 6

hours when within the area between latitudes 40 ̊N to 52 ̊N

and between longitudes 39 ̊W to 57 ̊W. Ships with one

radio operator may prepare the reports every 6 hours and

hold them for transmission when the radio operator is on

watch. When reporting, please include the following:

– Ship position.

– Course.

– Speed.

– Visibility.

– Air and sea surface temperature.

– Barometric pressure.

– Wind direction and speed.

DESCRIPTIVE NAME HEIGHT LENGTH

(ft) (m) (ft) (m)

Growler < 17 < 5 < 50 < 15

Small Berg 17-50 5-15 50-200 15-60

Medium Berg 51-150 16-45 201-400 61-122

Large Berg 151-240 46-75 401-670 123-213

Very Large Berg > 240 > 75 > 670 > 213

SHAPE DESCRIPTION

Non-Tabular This category covers all icebergs that are not tabular-shaped

as described below. This includes icebergs that are

dome-shaped, sloping, blocky, and pinnacle.

Tabular Flat topped iceberg with length-height ratio greater than 5:1.
RADIO NAVIGATIONAL WARNINGS

3 - 18

Report ice sightings, weather, and sea surface temperature

to COMINTICEPAT GROTON CT through Inmarsat, U.S.

Coast Guard Communication Stations or Canadian Coast

Guard Marine Communications and Traffic Services Centers.

If reporting iceberg sightings to IIP through Inmarsat-A or -C,

use service code 42. This will ensure the ice information

immediately reaches the COMINTICEPAT GROTON CT.

There is no charge to the user for iceberg reports sent using

service code 42.

INMARSAT-A (General Instructions):

– Select Telenor (global identification code 01).

– Select routine priority.

– Select duplex telex channel.

– Initiate the call.

– Upon receipt of GA (Go Ahead), select the desired

two-digit prefix access code followed by at + sign (42+).

– Send the report.

– The message will be forwarded at NO CHARGE from

the mariner to International Ice Patrol by Telenor

Satellite Services, Inc.

INMARSAT-C (General Instructions):

– Access the two-digit code service on SES as instructed in

the manufacturer’s information.

– Using the SES text editor, prepare the message.

– Enter the two-digit code of the service required (42).

– Select the CES (01, Telenor, AORW).

– Transmit the message.

– Wait for acknowledgment from the CES.

– The message will be forwarded at NO CHARGE from

the mariner to International Ice Patrol by Telenor

Satellite Services, Inc.

Iceberg sightings may also be reported on the guarded

frequencies listed below:

NOTE that USCG CAMSLANT Chesapeake (NMN)

provides all U.S. east coast ON-CALL SITOR service.

Telephone communications are available to the Ice

Patrol Office in Groton, CT throughout the season. The

numbers are: (1) 860-441-2626 (Ice Patrol Duty Officer,

0700-1630 EST) or (1) 757-398-6231 (USCG Atlantic

Canadian Coast Guard

Marine Communications and Traffic Services

Receiving Station Bands Guarded/

Transmit Frequency

(Day/Night)

St. John’s (VON),

Newfoundland

VHF Ch. 16

2182 kHz, H3E

(St. John’s Coast Guard Radio)

St. Anthony (VCM),

Newfoundland

VHF Ch. 16

2182 kHz, H3E

(St. Anthony Coast Guard Radio)

Labrador (VOK) VHF Ch. 16

2182 kHz, H3E

(Labrador Coast Guard Radio)

Placentia (VCP),

Newfoundland

VHF Ch. 16

2182 kHz, H3E

(Placentia Coast Guard Radio)

Port aux Basques (VOJ),

Newfoundland

VHF Ch. 16

2182 kHz, H3E

(Port aux Basques Coast Guard Radio)

Sydney (VCO),

Nova Scotia

VHF Ch. 16

2182 kHz, H3E

(Sydney Coast Guard Radio)

Dartmouth (VCS),

Nova Scotia

VHF Ch. 16

2182 kHz, H3E

(Halifax Coast Guard Radio)

Saint John (VAR),

New Brunswick

VHF Ch. 16

2182 kHz, H3E

(Fundy Coast Guard Radio)

U.S. Coast Guard

Communication Stations

DIRECT PRINTING RADIOTELETYPE

SELCALL 1097 (NMN)

 (Assigned Frequency)

Ship Transmit Shore Transmit

4174 kHz 4212 kHz On request

6264.5 kHz 6316 kHz 2300-1100

8388 kHz 8428 kHz Continuous

12490 kHz 12592.5 kHz Continuous

16696.5 kHz 16819.5 kHz Continuous

22297.5 kHz 22389.5 kHz 1100-2300

SSB VOICE FREQUENCIES

(Carrier Frequency)

Ship

Transmit

Shore

Transmit

NMF NMN

4134 kHz 4426 kHz 2230-1030 2300-1100

6200 kHz 6501 kHz Continuous Continuous

8240 kHz 8764 kHz Continuous Continuous

12242 kHz 13089 kHz 1030-2230 1100-2300

16432 kHz 17314 kHz On request On request

Canadian Coast Guard

Marine Communications and Traffic Services

Receiving Station Bands Guarded/

Transmit Frequency

(Day/Night)
RADIO NAVIGATIONAL WARNINGS

3 - 19

Area Command Center, Portsmouth, VA, after working

hours); IIP fax: (1) 860-441-2773.

CAUTIONS: The IIP attempts to locate and track

icebergs south of 52 ̊N, especially those south of 48 ̊N,

which may pose a hazard to shipping in the vicinity of the

Grand Banks of Newfoundland. When the position, time of

sighting, size, and description of icebergs are reported to

IIP, the data is entered into a computer program that

predicts their drift. Please note that the iceberg positions

reported in all IIP products are always the predicted

position for the date and time of that product. As the time

after sighting increases, so does the probability of error in

the icebergs’ predicted positions. This probability of error

is taken into account when the limits of all known ice are

determined.

The purpose of the Ice Patrol’s messages and charts is to

advise mariners of the best estimate of the extent of

icebergs in the region of the Grand Banks of

Newfoundland. The iceberg positions represented within

the estimated limits are intended only to give the mariner

an understanding of the relative densities of icebergs. Any

attempt to navigate among icebergs within the estimated

limits on the basis of the facsimile charts or the message

bulletins is strongly discouraged.

While the IIP attempts to be as accurate as possible in

reporting the presence of icebergs to mariners, it is not

possible to assure that all icebergs are reported. Mariners

are strongly urged to use radar carefully, but not to rely

entirely upon it to detect icebergs, since icebergs often are

not detected distinctly with radar. There is no substitute for

vigilance and prudent seamanship, especially when

navigating near sea ice and icebergs.

The IIP earnestly solicits comments, particularly

concerning the value and effectiveness of its services.

Additionally, facsimile charts annotated with the ship’s

position, frequency used, and time of receipt can also help

the IIP to better serve its customers. Comments can be

provided using the phone and/or fax numbers above, or by

mail to:

COMMANDER

INTERNATIONAL ICE PATROL

1082 SHENNECOSSETT ROAD

GROTON CT 06340-6095

NATIONAL ICE CENTER (NIC): The National Ice

Center is a multi-agency operational center representing

the Department of Defense (U.S. Navy), the Department of

Commerce (NOAA), and the U.S. Coast Guard under the

Department of Homeland Security. The NIC mission is to

provide worldwide operational sea ice analyses and

forecasts for the armed forces of the U.S. and Allied

nations, the Department of Commerce, the U.S. Coast

Guard under the Department of Homeland Security, and

other U.S. government and international agencies, and the

civil sector. The NIC produces analyses and forecasts of

Arctic, Antarctic, Great Lakes and Chesapeake Bay ice

conditions to support customers with global, regional and

tactical scale interests. These products are available, in the

following formats, on the World Wide Web at the NIC

Website:

http://www.natice.noaa.gov

– Global sea ice edge products consisting of

latitude/longitude pairs.

– JPG image files using the World Meteorological

Organization’s (WMO) Ice Egg Code.

– Geographic Information System (GIS) ARC/INFO

coverages.

Some of the NIC’s products are also transmitted as text

messages.

The NIC is located at:

NATIONAL ICE CENTER

FEDERAL BUILDING 4

4251 SUITLAND ROAD

WASHINGTON DC 20395

Telephone: (1) 301-394-3100.

GULF OF ST. LAWRENCE, ST. LAWRENCE RIVER,

SOUTH AND EAST COASTS OF NEWFOUNDLAND

AND LABRADOR COAST: Commencing December 15

each year, and until ice in the Gulf of St. Lawrence is no

longer likely to hinder shipping, an experienced ship Master

will be attached to ECAREG CANADA as Ice Operations

Officer. During this period, vessels inbound to the Gulf of St.

Lawrence should report using the address ECAREG

CANADA through any Marine Communications and Traffic

Services (MCTS) Center 24 hours prior to their expected

entry into the Cabot Strait, stating their position, destination,

whether loaded or in ballast, ice class (if any), and

classification society. This procedure will facilitate the

passing of ice information and a suggested shipping track as

necessary. Ships bound for ports on the south and east coasts

of Newfoundland and along the coast of Labrador should

also report to ECAREG CANADA for ice information,

routing and escort as necessary. Gulf shipping interests are

requested to maintain close contact with the Ice Operations

Office so that all routing and escort assistance needed may

be provided as circumstances permit.

All radio communications addressed to ECAREG

CANADA and passed through a MCTS Center will be

handled free of charge to the ship.

Ships outbound from Canadian ports east of Sept-Iles

should report to the Ice Operations Officer ECAREG

CANADA through any MCTS Center 24 hours in advance

of sailing time, if possible, for ice information, suggested

routing, and escort if deemed necessary.

Ships outbound from Sept-Iles and ports west of

Sept-Iles may obtain the latest bulletin pertaining to

reported ice conditions, forecast, and recommended

routing for the Gulf and River St. Lawrence by calling

Quebec, Les Escoumins or Montreal MCTS Center on the

control frequency of the sector in which the vessel is

located. Vessels bound seaward when passing off Sept-Iles

should also contact ECAREG CANADA through any

MCTS Center for up-to-date ice information, routing, and

icebreaker escort if required.
RADIO NAVIGATIONAL WARNINGS

3 - 20

During the winter navigation season, MTCS Centers

broadcast ice advisories and forecasts on a regular schedule

as indicated in the station listings. Ice forecasts will

normally be for five-day periods when ice is light and of no

immediate concern to shipping. Frequency of issue will be

increased and forecast periods shortened when direct tactical

support to shipping is required. Ice advisories will normally

include a summary of existing ice conditions, a forecast of

ice conditions for an appropriate period (2 to 5 days), and

may include a suggested shipping track. This information is

also broadcast in the form of charts by facsimile from

stations so equipped.

GREAT LAKES: The Fisheries and Oceans Canada

operates a service for the support of vessels navigating in

Canadian waters of the Great Lakes during the season in

which navigation is restricted by ice. This service includes

the promulgation of up-to-date information on ice

conditions, routing advice, aids to navigation, and the

provision of icebreaker support when available and

considered necessary, as well as the formation of convoys

when conditions dictate. The following information

outlines the service and facilities provided by the Canadian

Coast Guard:

– Assembly and distribution of ice advisories, forecasts,

and synoptic ice charts.

– Routing advice through light ice conditions, upon request.

– Coordination and direction of icebreaker support activities.

The service is known as Ice Sarnia and will commence

December 1 each year, terminating when ice conditions

permit unrestricted navigation. The address is:

ICE SARNIA

CANADIAN COAST GUARD

105 CHRISTINA STREET SOUTH

SARNIA ONTARIO N7T 7W1

Telephone: (1) 519-383-1855.

Fax: (1) 519-337-2498.

The Canadian Coast Guard has a limited number of

icebreakers available for the support of shipping, and these

are heavily committed. Therefore, it is emphasized that

icebreaker support can not always be provided on short

notice. In order to make the most efficient use of available

resources it is most important that Ice Sarina be kept

informed about the position and projected movements of

vessels on the Great Lakes. Masters or agents should notify

Ice Sarnia as soon as their sailing time is known, giving

their ETD and destination in order to receive the most

up-to-date information

ARCTIC AND HUDSON STRAIT AND BAY: The

Canadian Coast Guard operates a service for the support of

ships navigating in the ice-congested Canadian Arctic and

other ice-free northern waters during the summer

navigation season. Access to this service can be obtained

by calling NORDREG CANADA. This support includes

the promulgation of up-to-date information on ice

conditions, advice on routes, aids to navigation, icebreaker

support when available and considered necessary, and

organization of convoys when conditions dictate.

Throughout the navigation season ice advisories,

forecasts, and synoptic ice charts are issued by Ice Central

in Ottawa and broadcast daily by radio and radio facsimile.

The Canadian Coast Guard has established a MCTS

Center at Iqaluit, Nunavut. The Center opens in early June

and is staffed until the end of December, or as long as ships

are at sea in the area. The address is:

FISHERIES AND OCEANS

CANADIAN COAST GUARD

NORDREG CANADA

PO BOX 189

IQALUIT NUNAVUT X0A 0H0

Telephone: (1) 867-979-5724 or 979-5269.

Fax: (1) 867-979-4236.

Telex (Telefax): 063-15529

Telegraphic Identifier: NORDREG CDA.

The Canadian Coast Guard has a limited number of

icebreakers for the support of shipping. Because of heavy

commitments, it is emphasized therefore that icebreaker

support cannot always be provided at short notice. It is

important that the Arctic Canada Traffic System

(NORDREG CANADA) is as well informed as possible

about the position and movements of ships in the Canadian

Arctic. Ships bound for or leaving Hudson Bay or the High

Arctic are required to contact NORDREG CANADA in

accordance with reporting procedures specified in the latest

edition of either of the following publications:

– Pub. 140, Sailing Directions (Planning Guide) for the

North Atlantic Ocean, Baltic Sea, North Sea, and the

Mediterranean Sea.

– Pub. 180, Sailing Directions (Planning Guide) Arctic

Ocean.

– Canadian Radio Aids to Marine Navigation (Atlantic, St.

Lawrence, Great Lakes, Lake Winnipeg and Eastern

Arctic).

BALTIC SEA ICE CODE: This code is used by the

following countries: Denmark, Finland, Germany,

Netherlands, Norway, Poland, Sweden, Russia, Estonia,

Lithuania, and Latvia. The general form of the message

code is:

ICE: AA 1ABSBTBKB2ABSBTBKB . . . nABSBTBKB

BB 1ABSBTBKB2ABSBTBKB . . . nABSBTBKB

CC etc.

Letter Symbols:

AA, BB,

etc.

Index letters defining districts for

fairway sections or sea areas to which the

following five-figure groups refer.

1, 2, . . . n Identifier figures of code groups

referring to fairway sections or sea areas

within the districts defined by AA, BB,

CC, etc. The number cannot exceed 9.

AB Amount and arrangement of sea ice

(Table I).

SB Stage of ice development (Table II).

TB Topography or form of ice (Table III).
RADIO NAVIGATIONAL WARNINGS

3 - 21

Notes:

– When a section is free of ice, the corresponding group

may be omitted from the report. It should, however,

always be coded as n0//KB the first 2 days after it has

become ice-free and only omitted the third day if the

ice-free conditions continue.

– When all sections within a district are ice-free, the whole

district shall be omitted from the report.

– The districts for which ice information is issued by

countries using this code are indicated for each country

in the following pages.

KB Navigational conditions in ice (Table

IV).

Table I

AB - Amount and arrangement of sea ice

0 Ice-free

1 Open water - concentration less than 1/10

2 Very open pack ice - concentration 1/10 to less than

4/10

3 Open pack ice - concentration 4/10 to 6/10

4 Close pack ice - concentration 7/10 to 8/10

5 Very close pack ice - concentration 9/10 to 9+/10*

6 Very close pack ice, including consolidated pack ice

- concentration 10/10

7 Fast ice with pack ice outside

8 Fast ice

9 Lead in very close or compact pack ice or along the

ice edge

/ Unable to report

* 9+/10 means 10/10 ice concentration with small

openings

Note: The higher code figure has greater priority in

reporting.

Table II

SB - Stage of ice development

0 New ice or dark nilas (less than 5 cm thick)

1 Light nilas (5 to 10 cm thick) or ice rind

2 Gray ice (10 to 15 cm thick)

3 Gray-white ice (15 to 30 cm thick)

4 Thin first-year ice, first stage (30 to 50 cm thick)

5 Thin first-year ice, second stage (50 to 70 cm thick)

6 Medium first-year ice (70 to 120 cm thick)

7 Ice predominantly thinner than 15 cm with some

thicker ice

8 Ice predominantly 15 to 30 cm with some ice

thicker than 30 cm

9 Ice predominantly thicker than 30 cm with some

thinner ice

/ No information or unable to report

Note: If AB = 0, SB should be reported as /.

Table III

TB - Topography or form of ice

0 Pancake ice, ice cakes, brash ice—less than 20 m

across

1 Small ice floes - 20 to 100 m across

2 Medium ice floes - 100 to 500 m across

3 Big ice floes - 500 to 2000 m across

4 Vast or giant ice floes - more than 2000 m across, or

level ice

5 Rafted ice

6 Compacted slush or shuga, or compacted brash ice

7 Hummocked or ridged ice

8 Thaw holes or many puddles on the ice

9 Rotten ice

/ No information or unable to report

Notes: Figures 0 to 4 only to be used if ice concentration

is less than 7/10 with no compacted ice present (TB = 4:

vast floes). 4 to 9 to be used if ice concentration is

greater 7/10 (TB = 4: level ice). If AB = 0, TB should be

reported as /.

Table IV

KB - Navigation conditions in ice

0 Navigation unobstructed

1 Navigation difficult or dangerous for wooden

vessels without ice sheathing

2 Navigation difficult for unstrengthened or

low-powered vessels built of iron or steel;

navigation for wooden vessels even with ice

3 Navigation without icebreaker assistance possible

only for high-powered vessels of strong

construction and suitable for navigation in ice

4 Navigation proceeds in lead or a broken ice-channel

without the assistance of icebreaker

5 Icebreaker assistance can only be given to vessels

suitable for navigation in ice and of special size

6 Icebreaker assistance can only be given to vessels of

special ice class and of special size

7 Icebreaker assistance can only be given to vessels

after special permission

8 Navigation temporarily closed

9 Navigation has ceased

/ Unknown

Baltic District Designators

Denmark

AA

(1) Sea area N of Hammaren

(2) Fairway to Ronne

(3) Sea area between Ronne and Falsterbo

(4) Sea area off Falsterbo Rev

(5) Fairway through Drogden

(6) Fairway to Kobenhavn

BB

(1) Sea area W of Ven

(2) Sea area E of Ven

(3) Sea area off Helsingor

(4) Sea area off Nakkehoved

(5) Sea area S of Hesselo

(6) Fairway to Isefjorden-Kynbyvaerkets

CC

(1) Sea area off Mon lighthouse (Route T)

(2) Sea area S of Gedser (Route T)

(3) Sea area S of Rodby Havn (Route T)

Table III
RADIO NAVIGATIONAL WARNINGS

3 - 22

(4) Sea area SE of Keldsnor (Route T)

(5) Sea area off Sprodsbjerg (Route T)

(6) Sea area W of Omo (Route T)

DD

(1) Agerso Sund—Stignaes

(2) Store Baelt channel, W part

(3) Store Baelt, E part (Route T)

(4) Sea area E of Romso (Route T)

(5) Fairway to Kalundborg oil harbor

(6) Sea area W of Rosnaes (Route T)

EE

(1) Sea area W of Sjaellands Rev (Route T)

(2) Sea area W of Hesselo (Route T)

(3) Sea area E of Anholt (Route T)

(4) Sea area W of Fladen Lt (Route T)

(5) Sea area NW of Kummelbanke (Route T)

(6) Sea area N of Skagen (Route T)

FF

(1) S entrance to Lille Baelt, Skjoldnaes

(2) Sea area off Helnaes

(3) Fairway to Abenra—Enstedvaerket

(4) Sea area off Assens

(5) Kolding Yderfjord to the bridges

(6) Fairway to Esbjerg

GG

(1) Fairway at Fredericia to the bridges

(2) Sea area N of Aebelo

(3) Fairway to Odense

(4) Sea area at Vesborg lighthouse

(5) Sea area S of Sletterhage

(6) Fairway to Aarhus

HH

(1) Sea area off Fornaes

(2) Fairway to Randers

(3) Entrance at Hals Barre

(4) Fairway to Aalborg

(5) Sea area NW of Laeso

(6) Sea area off Hirsholmene

Estonia

AA

(1) Narva-Yyesu—Kunda

(2) Kunda harbor and bay

(3) Kunda harbor—Tallinn

(4) Muuga harbor and bay

(5) Tallinn harbor and bay

(6) Tallinn—Osmussaar

(7) Osmussaar—Ristna

(8) Ristna—Irbenskiy Strait

BB

(1) Parnu harbor and bay

(2) Parnu—Irbenskiy Strait (eastern end)

(3) Irbenskiy Strait

CC

(1) Muhuvain

Finland

AA

(1) Roytta harbor

(2) Roytta—Etukari

(3) Etukari—Ristinmatala

(4) Ajos harbor

(5) Ajos—Ristinmatala

(6) Ristinmatala—Nukkujanmatala

(7) Nukkujanmatala—Kemi lighthouse

(8) Sea area SW of Kemi lighthouse

(9) Nukkujanmatala—Ulkokrunni

BB

(1) Virpiniemi—Ulkokrunni

(2) Oulu harbor

(3) Oulu—Kattilankalla

(4) Kattilankalla—Oulu Lt 3

(5) Oulu Lt 3—Oulu Lt 1

(6) Sea area W of Oulu Lt 1

(7) Open sea N of latitude of Marjaniemi

CC

(1) Raahe harbor and vicinity

(2) Heikinkari—Raahe lighthouse

(3) Raahe lighthouse—Nahkiainen

(4) Open sea between latitudes of Marjaniemi and

Ulkokalla

DD

(1) Rahja harbor

(2) Rahja—Valimatala

(3) Sea area from Valimatala to the line

Ulkokalla—Ykskivi

(4) Open sea between latitudes of Ulkokalla and

Pietarsaari

EE

(1) Ykspihlaja harbor and vicinity

(2) Repskaret—Kokkola lighthouse

(3) Sea area off Kokkola lighthouse

(4) Pietarsaari harbor and vicinity

(5) Masskar—Kallan

(6) Sea area off Kallan

(7) Open sea between latitudes of Pietarsaari and

Nordvalen

FF

(1) Sea area NE of Nordvalen

(2) Sea area from Nordvalen to W of Norrskar

(3) Vaskiluoto harbor

(4) Vaskiluoto—Storhasten

(5) Storhasten—Ensten

(6) Ensten—Korso

(7) Korso—Norrskar

(8) Fairway NW of Norra Gloppsten—Skvattan

(9) Sea area off Skvattan

GG

(1) Kaskinen harbor

(2) Sea area off Salgrund

(3) Sea area farther off Salgrund

(4) Open sea N of latitude of Yttergrund

HH

(1) Tahkoluoto harbor

(2) Mantyluoto harbor

(3) Kallo—Kolmikulma

(4) Sea area from Kolmikulma to the line

Sappi—Kaijakari

(5) Sea area W of Sappi

(6) Sea area beyond that visible from Sappi
RADIO NAVIGATIONAL WARNINGS

3 - 23

(7) Open sea between the latitudes of Yttergrund and

Rauma

II

(1) Rauma harbor and vicinity

(2) Valkeakari—Kylmapihlaja

(3) Kylmapihlaja—Raumanmatala

(4) Sea area W of Raumanmatala

(5) Open sea S of latitude of Rauma

JJ

(1) Uusikaupunki harbor and vicinity

(2) Kirsta—Isokari

(3) Isokari—Sandback

(4) Sea area off Sandback

KK

(1) Sea area off Salskar

(2) Sea area N of Market

(3) Sea area W of Market

(4) Sea area S of Market

LL

(1) Maarianhamina harbor and vicinity

(2) Sea area off Kobbaklintar and Nyhamn

(3) The middle Aland Sea

(4) Sea area off Lagskar

MM

(1) Naantali harbor

(2) Naantali—Rajakari

(3) Turku harbor

(4) Turku—Rajakari

(5) Rajakari—Orhisaari

(6) Orhisaari—Lovskar

NN

(1) Lovskar—Korra

(2) Korra—Iso Hauteri

(3) Iso Hauteri—Isokari

(4) Lovskar—Berghamn

(5) Berghamn—Gustav Dalen

(6) Gustav Dalen—Stora Sottunga

(7) Stora Sottunga—Brandokobben

(8) Brandokobben—Ledskar

(9) Sea area off Rodhamn

OO

(1) Lovskar—Grisselborg

(2) Grisselborg—Norparskar

(3) Sea area at Vidskar

(4) Uto

(5) Sea area S of Uto

(6) Sea area beyond that visible from Uto

(7) Sea area near Bogskar

(8) Sea area S of Bogskar

(9) Sea area beyond that visible southward from

Bogskar

PP

(1) Hanko harbor

(2) Sea area E of Russaro

(3) Sea area S of Russaro

(4) Sea area beyond that visible S from Russaro

(5) Hanko—Jarngrynnorna

(6) Jarngrynnorna—Uto

QQ

(1) Koverhar harbor and vicinity

(2) Hasto Buso—Langden

(3) Langden—Ajax

(4) Sea area S of Ajax

(5) Sea area S of Jussaro

RR

(1) Inkoo harbor and vicinity

(2) Kantvik harbor and vicinity

(3) Sea area at Porkkala

(4) Porkkala Ronnskar—Sommaro

(5) Sea area off Sommaro

(6) Sea area farther off Sommaro

SS

(1) Helsinki harbor

(2) Suomenlinna—Harmaja

(3) Harmaja—Svartbaden

(4) Svartbaden—Helsinki lighthouse

(5) Helsinki lighthouse—sea area S of Porkkala

(6) Archipelago fairway Helsinki—Porkkala

Ronnskar

TT

(1) Porvoo harbor and vicinity

(2) The S point of Emsalo—Porvoo lighthouse

(3) Porvoo lighthouse—Kalbadagrund

(4) Sea area Kalbadagrund—Helsinki lighthouse

(5) Valkom harbor and vicinity

(6) Archipelago fairway Boisto—Glosholm

(7) Archipelago fairway Glosholm—Helsinki

UU

(1) Kotka harbor and vicinity

(2) Viikari—Boisto

(3) Boisto—Orrengrund

(4) Orrengrund—Tiiskeri

(5) Sea area Tiiskeri—Kalbadagrund

(6) Hamina harbor and vicinity

(7) Suurmusta—Merikari

(8) Merikari—Kaunissaari

Germany

AA

(1) Stralsund to Palmer Ort

(2) Palmer Ort to Freesendorfer Haken

(3) Osttief

(4) Landtief fairway

(5) Sassnitz, port

(6) Sea area off Sassnitz

(7) Sea area off Arkona

BB

(1) Wolgast to Peenemunde

(2) Peenemunde to Ruden

CC

(1) Rostock to Warnemunde

(2) Rostock, Seehafen

(3) Warnemunde, Seekanal

(4) Sea area off Warnemunde

(5) Rostock, sea area N of navigation buoy

DD

(1) Wismar to Walfisch

(2) Walfisch to Timmendorf

(3) Timmendorf to Wismar navigation buoy

(4) Lubeck to Travemunde
RADIO NAVIGATIONAL WARNINGS

3 - 24

(5) Travemunde, harbor

(6) Sea area off Travemunde

(7) Sea area off Dahmeshovede

EE

(1) Holtenau to Laboe

(2) Sea area off Bulk

(3) Sea area NE of Kiel lighthouse

(4) Sea area off Westermarkeldorf

(5) Sea area off Marienleuchte

(6) E entrance of Fehmarnbelt

FF

(1) Flensburg to Holnis

(2) Holnis to Neukirchen

(3) Neukirchen to Kalkgrund

(4) Sea area off Falshoft

GG

(1) Holtenau, Kanalzufahrt

(2) Kanal, Holtenau to Rendsburg

(3) Kanal, Rendsburg to Brunsbuttel

(4) Brunsbuttel, Kanalzufahrt

HH

(1) Hamburg—Landungsbrucken, Elbe

(2) Stadersand (Elbe)

(3) Brunsbuttel (Elbe)

(4) Cuxhaven to Neuwerk

(5) Sea area off Elbe lightship

II

(1) Bremen (Weser)

(2) Brake (Weser)

(3) Bremerhaven (Weser)

(4) Hohe Weg lighthouse, channel

(5) Alte Weser, channel

(6) Neue Weser, channel

KK

(1) Wilhelmshaven harbor entrance

(2) Wilhelmshaven oil pier (Jade)

(3) Schillig (Jade)

(4) Wangerooge channel

LL

(1) Emden (Ems) and outer harbor

(2) Emden to Randzelgat (Ems)

(3) Borkum, Randzelgat (Ems)

(4) Borkum, Westerems

Latvia

AA

(1) Riga harbor

(2) Riga harbor—Mersrags entrance

(3) Mersrags—Irbenskiy Strait

(4) Irbenskiy Strait

BB

(1) Ventspils harbor

(2) Irbenskiy Strait—Ventspils harbor

CC

(1) Liepaja harbor

(2) Ventspils harbor—Liepaja harbor

(3) Liepaja harbor—Lithuanian waters

Lithuania

AA

(1) Klaipeda harbor

(2) Klaipeda—Latvian waters

(3) Klaipeda—Russian waters

Netherlands

AA

(1) Delfzijl

(2) Eemshaven

(3) Eems; Oterdum—Eemshaven

(4) Eems; Eemshaven—Hubertgat

BB

(1) Harlingen

(2) Along Pollendam

(3) Blauwe Slenk

(4) Vliestroom and Stortemelk

CC

(1) Den Helder

(2) Texelstroom and Marsdiep

(3) Schulpengat

DD

(1) Branch canal G and Zaandam harbors

(2) Amsterdam E harbors

(3) Amsterdam W harbors

(4) Branch canal A (Beverwijk)

(5) Nordseekanal

(6) Ijmuiden locks—fairway buoy

EE

(1) Nieuwe Maas and harbors

(2) Botlek harbors

(3) Europoort

(4) Nieuwe Waterweg

(5) Hoek van Holland—fairway buoy

FF

(1) Moerdijk

(2) Moerdijk—Dordrecht

(3) Dordrecht

(4) Oude Maas

(5) Noord

GG

(1) Antwerpen harbors

(2) Schelde: Antwerpen—Hansweert

(3) Schelde: Hansweert—Vlissingen roads

(4) Sloehaven

(5) Oostgat

(6) Wielingen

(7) Terneuzen Canal—Gent

Norway

AA

(1) Sekken (Halden)

(2) Singlefjorden (Halden)

(3) Svinesund—Halden

(4) Torbjornskjaer light

(5) Struten light

(6) Loperen (Fredrikstad)

BB

(1) Osterelv (Fredrikstad)

(2) Leira (Fredrikstad)

(3) Vesterelv (Fredrikstad)

(4) Rauoyfjord
RADIO NAVIGATIONAL WARNINGS

3 - 25

(5) Verlebukta—Moss

(6) Mossesundet

CC

(1) Oslo—Steilene—Spro light

(2) Spro light—Fagerstrand—Drobak

(3) Drobak—Filtvet light

(4) Filtvet light—Gullholmen light

(5) Rodtangen— Svelvik

(6) Svelvik—Steinsbraten light

(7) Steinsbraten light—Drammen

(8) Breiangen (N of Horten)

DD

(1) Langgrunn (Horten)

(2) Gullholmen light—Mefjordbaen

(3) Mefjordbaen—Fulehuk light

(4) Fulehuk light—Faerder light

(5) W of Faerder light

(6) S of Faerder

EE

(1) Torgersoygapet (Tonsberg)

(2) Husoysund—Tonsberg channel

(3) Tonsberg inner harbor

(4) Vestfjord (Tonsberg)

(5) Leistenslop

(6) Vrengen

FF

(1) Tjomekjaela

(2) Sandefjord

(3) Inside Svenner light

(4) Off Svenner light

(5) Larviksfjorden (Stavern—Larvik)

(6) Langesundsbukta

GG

(1) Brevikfjorden

(2) Frierfjorden (Porsgrunn, Skien)

(3) Jomfrulandsrenna

(4) Off Jomfruland

(5) Skatoysundet (Kragero)

(6) Langarsund (Kragero)

HH

(1) Kragerofjorden

(2) Gronholmgapet (Risor)

(3) Stangholmgapet (Risor)

(4) Lyngorfjorden

(5) Off Lyngor

(6) Tvedestrandsfjord

II

(1) Tromsoysundet (Arendal)

(2) Galtesund (Arendal)

(3) Inside Torungen light (Arendal)

(4) Off Torungen light (Arendal)

(5) Grimstad

(6) Inside Homborsund light

JJ

(1) Off Homborsund light

(2) Lillesand

(3) Kristiansandsfjorden

(4) Off Iksoy light (Kristiansand)

Poland

AA

(1) Sea area off Krynica Morska

(2) Gdansk port

(3) Gdansk, Port Polnocny

(4) Sea area off Gdansk

(5) Gdynia, port

(6) Sea area off Gdynia

(7) Sea area S of Helu

(8) Sea area E of Helu

(9) Sea area N of Helu

BB

(1) Sea area off Rozewie

(2) Ustka, port

(3) Sea area off Ustka

(4) Darlowo port

(5) Sea off Darlowo

(6) Kolobrzeg, port

(7) Sea area off Kolobrzeg

CC

(1) Zalew Szczecinski

(2) Szczecin, port

(3) Swinoujscie—Szczecin, fairway

(4) Swinoujscie, port

(5) Sea area off Swinoujscie

Russia (Baltic Coast and Gulf of Finland Coast)

AA

(1) Sankt Peterburg harbor

(2) Sankt Peterburg—Kotlin (eastern point)

(3) Kotlin (eastern point)—Tolbukhin

(4) Tolbukhin—Shepelevskiy

(5) Shepelevskiy—Seskar

(6) Seskar—Sommers

(7) Sommers—Gogland (southern point)

(8) Gogland (southern point)—Meridian of Kunda

BB

(1) Vyborg harbor and Bay

(2) Vichrevoj—Sommers

(3) B’yerkezund

(4) Bol’shoy Berezovyy (eastern point)—

Shepelevskiy

CC

(1) Luzhskaya Guba

(2) Luzhskaya Guba—Line between Moshchnyy and

Seskar

DD

(1) Kaliningrad harbor

(2) Kaliningrad—Lithuanian waters

(3) Kaliningrad—Polish waters

Sweden

AA

(1) Karlsborg—Maloren

(2) Sea area off Maloren

(3) Lulea—Bjornklack

(4) Bjornklack—Farstugrunden

(5) E and SE of Farstugrunden

(6) Sandgronn fairway

(7) Rodkallen—Norstromsgrund

BB
RADIO NAVIGATIONAL WARNINGS

3 - 26

(1) Haraholmen—Nygran

(2) Sea area off Nygran

(3) Skelleftehamn—Gasoren

(4) Sea area off Gasoren

(5) Sea area off Bjuroklubb

CC

(1) NE of Nordvalen

(2) SW of Nordvalen

(3) Vastra Kvarken (W of Holmoarne)

(4) Umea—Vaktaren

(5) SE of Vaktaren

(6) Sea area NE and SE of Sydostbrotten

DD

(1) Fairway to Husum

(2) Ornskoldsvik—Hornskaten

(3) Hornskaten—Skagsudde

(4) Sea area off Skagsudde

(5) Fairway W of Ulvoarna

(6) Sea area off Ulvoarna

EE

(1) Angermanalven above Sando bridge

(2) Angermanalven below Sando bridge

(3) Harnosand—Harnon

(4) Sea area off Harnon

(5) Sundsvall—Draghallan

(6) Draghallan—Astholmsudde

(7) Sea area off Astholmsudde

(8) Sea area off Bramon

FF

(1) Hudiksvallsfjarden

(2) Iggesund—Ago

(3) Sea area off Ago

(4) Sandarne—Hallgrund

(5) Sea area off Hallgrund

(6) Ljusnefjarden—Storjungfrun

(7) Sea area off Storjungfrun

GG

(1) Gavle—Eggegrund

(2) Sea area off Eggegrund

(3) Sea area off Orskar

(4) Oregrundsgrepen

(5) Passage at Grundkallen

HH

(1) Passage at Understen

(2) Sea area off Svartklubben

(3) Hallstavik—Svartklubben

(4) Sea area at Soderarm and Tjarven

(5) Sea area off Svenska Hogarna

II

(1) Stockholm—Tralhavet—Klovholmen

(2) Tralhavet—Furusund—Kappelskar

(3) Kappelskar—Soderarm

(4) Klovholmen—Sandhamn

(5) Sea area off Sandhamn

(6) Trollharan—Langgarn

(7) Mysingen

(8) Nynashamn—Landsort

(9) Sea area S of Landsort

KK

(1) Koping—Kvicksund

(2) Vasteras—Gronso

(3) Gronso—Sodertalje

(4) Stockholm—Sodertalje

(5) Sodertalje—Fifong

(6) Fifong—Landsort

LL

(1) Norrkoping—Hargokalv

(2) Hargokalv—Vinterklasen—Norra Krankan

(3) OxelosundHarbor

(4) Jarnverket—Lillhammaren— Norra Krankan

(5) Sea area off Gustafe Dalen

MM

(1) Sea area W of Gotska Sandon

(2) Sea area off Visby

(3) W of Stora Karlso

(4) Sea area off Hoburgen

(5) Sea area off Mago (Slite)

(6) Sea area off Faro

NN

(1) Vastervik—Marsholmen—Ido

(2) Sea area off Ido

(3) Oskarshamn—Furon

(4) Furon—Olands Norra Udde

(5) Sea area off Olands Norra Udde

OO

(1) Bla Jungfrun—Kalmar

(2) Kalmar—Utgrunden

(3) Utgrunden—Olands Sodra Udde

(4) Sea area SE of Olands Sodra Udde

PP

(1) Karlskrona—Aspo

(2) Sea area off Aspo

(3) Fairway to Karlshamn

(4) Fairway to Ahus

(5) Sea area off Sandhammaren

(6) Fairway to Trelleborg

(7) Sea area SE of Falsterbo Rev

RR

(1) Sea area N of Falsterbo Rev

(2) Drogden Passage

(3) Flintrannan

(4) Fairway to Malmo

(5) The Sound between Malmo and Ven

(6) The Sound E of Ven

(7) The Sound off Halsingborg

(8) W and S of Kullen

SS

(1) Fairway to Halmstad

(2) Fairway to Valberg

(3) Sea area W of Nidingen

(4) Knippelholmen—Botto

(5) Vinga Sand and Danafjord

(6) Buskar—Trubaduren—Vinga

(7) Off Trubaduren and Vinga

TT

(1) Uddevalla—Stenungsund

(2) Stenungsund—Hatteberget

(3) Sea area off Hatteberget

(4) Sea area off Maseskar

(5) Brofjorden—Dynabrott
RADIO NAVIGATIONAL WARNINGS

3 - 27

300L. Navigational Warning Station List

The stations in the following list broadcast navigational

warnings, including ice information. Where these stations

also provide weather and other miscellaneous

information, those broadcast times and frequencies are

included. Stations providing only weather information,

however, are omitted. For information and schedules of

marine weather broadcasts made primarily in English,

refer to the Selected Worldwide Marine Weather

Broadcasts (WWMARWETHRBC),a joint publication of

the National Weather Service (NWS) and Naval

Oceanography Command.

Broadcasts are in English unless otherwise indicated.

NOAA Weather Radio is a service providing specialized

weather broadcasts for maritime users along the U.S.

coastline, Great Lakes, Puerto Rico, the Virgin Islands,

Guam and Saipan. It provides continuous broadcasts of the

latest weather information directly from National Weather

Service (NWS) offices. Taped weather messages are

repeated every four to six minutes and are routinely revised

every one to three hours, or more frequently if needed.

During severe weather, NWS forecasters can interrupt the

routine weather broadcasts and substitute special warning

messages.

NOAA Weather Radio broadcasts are received on one of

seven VHF channels listed below. These channels are

generally designated on marine VHF equipment as WX-1

through WX-7. These broadcasts usually can be received

within 40 miles of the antenna site.

A list of broadcast stations and frequencies may be

obtained from the NOAA Weather Radio Website at:

http://www.nws.noaa.gov/nwr/

or from the NWS at the following address:

NATIONAL WEATHER SERVICE

ATTN: W/OM12

NOAA

1325 EAST WEST HIGHWAY

SILVER SPRING MD 20910

The NWS Marine Product Dissemination Information

Homepage is internet accessible through the World Wide

Web at:

http://www.nws.noaa.gov/om/marine/home.htm

Information available includes forecasts and warnings,

up-to-date marine weather charts, including those

broadcast by the Coast Guard over HF radiofacsimile, and

the NOAA Weather Radio Guide.

(6) Sea area off Dynabrott and Gaven

(7) Kosterfjorden

(8) Sea area off Nordkoster

UU

(1) Gota Alv

(2) Trollhatte canal—Dalbo bridge

(3) Vanersborgsviken

(4) Fairway through Luro archipelago

(5) Fairway to Gruvon

(6) Fairway to Karlstad

(7) Fairway to Kristinehamn

(8) Fairway to Otterbacken

(9) Fairway to Lidkoping

NOAA Weather Radio VHF Channels

WX-1 162.550 MHz

WX-2 162.400 MHz

WX-3 162.475 MHz

WX-4 162.425 MHz

WX-5 162.450 MHz

WX-6 162.500 MHz

WX-7 162.525 MHz
RADIO NAVIGATIONAL WARNINGS

3 - 28

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5) Nature of Broadcast

GREENLAND

3001.5 Qaqortoq (OXF). 2129, 2225, 2265 kHz, J3E. 0035, 0335, 0635, 0935, 1235,

1535, 1835, 2135.

Local navigational warnings.

2129, 2225, 2265 kHz, J3E,

Ch. 01, 02, 03, 04, 23, 24, 25,

26, 27, 28, F3E.

0805, 1305, 1805, 2305 (1 hr.

earlier when daylight savings in

effect).

Weather.

2129, 2225, 2265 kHz, J3E,

Ch. 01, 02, 03, 04, 23, 24, 25,

26, 27, 28, F3E.

On request. Weather and ice.

3002 Ammassalik (OZL). 2250, 3250 kHz, J3E. 0120, 0420, 0720, 1020, 1320,

1620, 1920, 2220.

Local navigational warnings.

2250, 3250, 4381 kHz, J3E,

Ch. 25, 26, 27, F3E.

0805, 1305, 1805, 2305 (1 hr.

earlier when daylight savings in

effect).

Weather.

2250, 3250, 4381 kHz, J3E,

Ch. 25, 26, 27, F3E.

On request. Weather and ice.

3003 Greenland Radio. 570, 650, 720, 810, 900 kHz,

A3E, 90.5, 92, 95, 95.2, 95.4,

95.5, 96, 96.25, 97, 98.5, 98.7

MHz, F3E.

2030 (Mon. - Fri.),

2100 (Sat., Sun.).

Local navigational warnings.

570, 650, 720, 810, 900 kHz,

A3E, 90.5, 92, 95, 95.2, 95.4,

95.5, 96, 96.25, 97, 98.5, 98.7

MHz, F3E.

0200, 1000, 1145, 1545, 2030

(Mon. - Sat.).

Weather.

570, 650, 720, 810, 900 kHz,

A3E, 90.5, 92, 95, 95.2, 95.4,

95.5, 96, 96.25, 97, 98.5, 98.7

MHz, F3E.

0200, 1100, 1500, 2100 (Sun.,

Hol.).

Weather.

3005 Nuuk (Kook Island). 518 kHz, F1B. 0340, 0740, 1140, 1540, 1940, 2340.NAVTEX [W]. On trial.

3015 Aasiaat (OYR). 2116, 2304, 2400, 3125,

3276, 3280 kHz, J3E.

0235, 0535, 0835, 1135, 1435,

1735, 2035, 2335.

Local navigational warnings.

2116, 2304, 2400, 3125,

3276, 3280, 4381, 6522 kHz,

J3E, Ch. 01, 02, 03, 04, 23,

24, 25, 26, 27, 28, 60, 63,

F3E..

0805, 1305, 1805, 2305 (1 hr.

earlier when daylight savings in

effect).

Weather.

2116, 2304, 2400, 3125,

3276, 3280, 4381, 6522 kHz,

J3E, Ch. 01, 02, 03, 04, 23,

24, 25, 26, 27, 28, 60, 63,

F3E..

On request. Weather and ice.
RADIO NAVIGATIONAL WARNINGS

3 - 29

CANADA - ARCTIC AND ATLANTIC

3017 Iqaluit, N.T. (VFF). 2514, 6513 kHz, J3E. 0110, 1320, 1705. Local navigational warnings, weather and ice (ice

only at 1705).

2514, 2582, 4363 kHz, J3E. 1340, 1705, 2235. Local navigational warnings, weather and ice (ice

only at 1705).

3251.1, 7708.1 kHz (USB),

J3C.

1000, 2100. Weather FAX; 120/576.

3251.1, 7708.1 kHz (USB),

J3C.

0500, 2125. Ice FAX; 120/576.

2582, 4363 kHz, J3E. 1240, 1705, 2310. Local navigational warnings, weather and ice (ice

only at 1705) (Resolute).

3251.1, 7708.1 kHz (USB),

J3C.

1100, 2330. Weather FAX; 120/576 (Resolute).

3251.1, 7708.1 kHz (USB),

J3C.

0010, 0700. Ice FAX; 120/576 (Resolute).

490 kHz, F1B. 0300, 0700, 1100, 1500, 1900,

2300.

NAVTEX [S] in French.

518 kHz, F1B. 0310, 0710, 1110, 1510, 1910,

2310.

NAVTEX [T].

NOTE: Station open during navigation season only, Jun. - Dec.

3018 Inuvik, N.W.T. (VFA). 2558, 4363, 6218.6 kHz, J3E,

Ch. 26, F3E.

0235, 1435. Local navigational warnings and weather.

4363, 5803 kHz, J3E, Ch. 26,

F3E.

0115, 1315. Local navigational warnings and weather.

8457.8 kHz (USB), J3C. 0200, 1630. Weather and ice FAX; 120/576.

NOTE: During navigation season only, May - Oct.

3019.5 Labrador, Labr. (VOK). 2598 kHz, J3E. 0137, 1007, 1437, 2037. Weather and ice.

2598 kHz, J3E. 1107, 2307. Local navigational warnings.

Ch. 21B, 83B, F3E. Continuous. Local navigational warnings, weather and ice.

518 kHz, F1B. 0350, 0750, 1150, 1550, 1950,

2350; 0910, 2110 (Jul. - Oct.).

NAVTEX [X].

3020 St. Anthony, Nfld. (VCM). 2598 kHz, J3E. 0107, 0907, 1337, 1937. Weather and ice (ice at 0107, 0907).

2598 kHz, J3E. 1237, 1907. Local navigational warnings and ice (ice at 1907).

Ch. 21B, 83B, F3E. Continuous. Local navigational warnings, weather and ice.

3021 Port aux Basques, Nfld. (VOJ). 2598 kHz, J3E. 0207, 0807, 1507, 2107. Weather and ice (ice at 0807).

2598 kHz, J3E, Ch. 21B, 28B,

83B, F3E.

1207, 1837. Local navigational warnings and ice (ice at 1837).

Ch. 21B, 28B, 83B, F3E. Continuous. Local navigational warnings, weather and ice.

3023 St. John's, Nfld. (VON). 2598 kHz, J3E. 0007, 0837, 1637, 2207. Weather and ice.

2598 kHz, J3E. 1307, 2007. Local navigational warnings.

Ch. 21B, 28B, 83B, F3E. Continuous. Local navigational warnings, weather and ice.

518 kHz, F1B. 0220, 0620, 1020, 1420, 1820,

2220.

NAVTEX [O].

3027.5 Placentia, Nfld. (VCP). 2598 kHz, J3E. 0048, 0737, 1607, 2137. Weather and ice (ice at 0737, 2137).

2598 kHz, J3E. 1137, 1807. Local navigational warnings.

Ch. 21B, 23B, 28B, 83B, F3E. Continuous. Local navigational warnings, weather and ice.

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5)

Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 30

3032 Quebec, Que. (VCC). Ch. 21B, 83B, F3E. Continuous. Local navigational warnings, weather and ice.

3036 Montreal, Que. (VFN). Ch. 21B, 25B, 83B, F3E. Continuous. Local navigational warnings, weather and ice.

(Seasonal operation May - Oct. on Ch. 83B.)

3038 Les Escoumins, Que. (VCF). Ch. 21B, 83B, F3E. Continuous. Local navigational warnings, weather and ice.

3040 Riviere-au-Renard, Que. (VCG). 2598, 2749 kHz, J3E. 0937, 1737. Local navigational warnings and ice.

2598, 2749 kHz, J3E. 0437, 0847, 1407, 2317. Weather.

Ch. 21B, 25B, 83B, F3E. Continuous. Local navigational warnings, weather and ice.

518 kHz, F1B. 0020, 0420, 0820, 1220, 1620,

2020.

NAVTEX [C].

518 kHz, F1B. 0035, 0435, 0835, 1235, 1635,

2035.

NAVTEX [D] in French.

3042 Sydney, N.S. (VCO). 2749 kHz, J3E, Ch. 21B, 83B,

F3E.

0040, 1440. Local navigational warnings and weather.

2749 kHz, J3E. 0740, 1940. Weather.

Ch. 21B, 83B, F3E. 1010. Local navigational warnings.

Ch. 21B, 83B, F3E. Continuous. Local navigational warnings, weather and ice.

4416 kHz, J3C. 2200, 2331. Ice FAX; 120/576.

6915.1 kHz, J3C. 1121, 1142, 1741. Ice FAX; 120/576.

518 kHz, F1B. 0240, 0640, 1040, 1440, 1840, 2240.NAVTEX [Q].

518 kHz, F1B. 0255, 0655, 1055, 1455, 1855, 2255.NAVTEX [J] in French.

3045 Halifax, N.S. (VCS) (CFH). 2749 kHz, J3E. 0240, 1540. Local navigational warnings.

2749 kHz, J3E. 0240, 0810, 1540, 2010. Weather.

Ch. 21B, 83B, F3E. 0240, 1110, 1540. Local navigational warnings.

Ch. 21B, 83B, F3E. Continuous. Weather.

122.5 MHz, 4271, 6496.4,

10536, 13510 kHz, F1B.

0000, 0100, 0300, 0600, 0700,

0800, 0900, 1100, 1400, 1500,

1700, 1900, 2000, 2100, 2300.

Weather.

122.5 MHz, 4271, 6496.4,

10536, 13510 kHz, J3C.

Continuous. Weather FAX*; 120/576.

122.5 MHz, 4271, 6496.4,

10536, 13510 kHz, J3C.

0001, 2222, 2301. Ice FAX*; 120/576.

*NOTE: CFH broadcast schedule at 1101.

3047 Saint John, N.B. (VAR). 2749 kHz, J3E, Ch. 21B, 83B,

F3E.

0140, 1040, 1640, 2040. Weather.

2749 kHz, J3E, Ch. 21B, 83B,

F3E.

0140, 1640. Local navigational warnings.

Ch. 21B, 83B, F3E. 1240. Local navigational warnings.

Ch. 21B, 83B, F3E. Continuous. Weather.

518 kHz, F1B. 0320, 0720, 1120, 1520, 1920, 2320.NAVTEX [U].

518 kHz, F1B. 0335, 0735, 1135, 1535, 1935,

2335.

NAVTEX [V] in French.

ST. PIERRE AND MIQUELON

3050 St. Pierre Radio. 1375 kHz, A3E. 1050, 1130, 1515, 2150. Weather in French.

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5) Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 31

UNITED STATES AND CANADA - LAKES

3068 Wiarton, Ont. 518 kHz, F1B. 0110, 0510, 0910, 1310, 1710,

2110.

NAVTEX [H].

3069 Prescott, Ont. (VBR). Ch. 21B, 83B, F3E. Continuous. Local navigational warnings, weather and ice.

3070 Sarnia, Ont. (VBE). Ch. 21B, 83B, F3E. Continuous. Local navigational warnings, weather and ice.

LOCAL WARNINGS:

Local Notice to Mariners:

Original reports to nearest Coast Guard station for relay to District Commander (oan).

3074 Sault St. Marie, MI (NOG)

U.S. Coast Guard.

Ch. 22A, F3E. 0005, 1205. Local Notice to Mariners and weather.

3076 Buffalo, NY (NMD-47)

U.S. Coast Guard.

Ch. 22A, F3E. 0255, 1455. Local Notice to Mariners and weather.

3077 Detroit, MI (NMD-25)

U.S. Coast Guard.

Ch. 22A, F3E. 0135, 1335. Local Notice to Mariners and weather.

3078 Grand Haven, MI (NMD-32)

U.S. Coast Guard.

Ch. 22A, F3E. 0235, 1435. Local Notice to Mariners and weather.

3079 Milwaukee, WI (NMP-9)

U.S. Coast Guard.

Ch. 22A, F3E. 0255, 1455. Local Notice to Mariners and weather.

3080 Thunder Bay, Ont. (VBA). 2582 kHz, J3E, Ch. 26, F3E. 0040, 1410. Local navigational warnings and weather.

2582 kHz, J3E, Ch. 26, F3E. 0040, 1520. Ice.

Ch. 19, 26, F3E. 0140, 0840, 1240, 1640, 2140. Local navigational warnings and weather.

Ch. 21B, 83B, F3E. Continuous. Local navigational warnings, weather and ice.

518 kHz, F1B. 0230, 0630, 1030, 1430, 1830, 2230.NAVTEX [P].

UNITED STATES - ATLANTIC AND GULF

LONG-RANGE WARNINGS:

NAVAREA IV:

Original reports to NAVAREA IV Coordinator, National Geospatial-Intelligence Agency, Attn: PVM (Mail stop D-44).

HYDROLANT:

Original reports to National Geospatial-Intelligence Agency.

LOCAL WARNINGS:

Local Notice to Mariners:

Original reports to nearest Coast Guard Station for relay to District Commander (oan).

3083 Southwest Harbor, ME (NMF-44)

U.S. Coast Guard.

2670 kHz, J3E, Ch. 22A, F3E. 1135, 2335. Local Notice to Mariners and weather.

3084 Portland, ME (NMF-31)

U.S. Coast Guard.

2670 kHz, J3E, Ch. 22A, F3E. 1105, 2305. Local Notice to Mariners and weather.

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5)

Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 32

3086 Boston, MA (NMF) (NIK)

(NMF-7) U.S. Coast Guard.

6314, 8416.5, 12579 kHz, F1B. 0030. Ice (seasonal).

6314, 8416.5, 12579 kHz, F1B. 0140. Maritime Safety Information (MSI) (HF NBDP)

(NAVAREA IV, HYDROLANT and weather).

8416.5, 12579, 16806.5 kHz,

F1B.

1218. Ice (seasonal).

8416.5, 12579, 16806.5 kHz,

F1B.

1630. Maritime Safety Information (MSI) (HF NBDP)

(NAVAREA IV, HYDROLANT and weather).

4235 kHz, F3C. 0230, 0745. Weather FAX*; 120/576.

6340.5, 9110 kHz, F3C. 0230, 0745, 1400, 1720, 1900. Weather FAX*; 120/576.

12750 kHz, F3C. 1400, 1900. Weather FAX*; 120/576.

6340.5, 9110, 12750 kHz,

F3C.

1600, 1810. Ice FAX; 120/576 (Feb. - Aug.).

2670 kHz, J3E, Ch. 22A, F3E. 1035, 2235. Local Notice to Mariners and weather.

518 kHz, F1B. 0045, 0445, 0845, 1245, 1645, 2045.NAVTEX [F].

*NOTE: Broadcast schedule at 0243, 1405.

3087 Woods Hole, MA (NMF-2)

U.S. Coast Guard.

2670 kHz, J3E. 0440, 1640. Local Notice to Mariners and weather.

Ch. 22A, F3E. 1005, 2205. Local Notice to Mariners and weather.

3088.5 Long Island Sound, CT

(NMY-15) U.S. Coast Guard.

Ch. 22A, F3E. 1120, 2320. Local Notice to Mariners and weather.

3088.6 Moriches, NY (NMY-42)

U.S. Coast Guard.

2670 kHz, J3E, Ch. 22A, F3E. 0010, 1210. Local Notice to Mariners and weather.

3088.7 New York, NY (NMY-3)

U.S. Coast Guard.

Ch. 22A, F3E. 1050, 2250. Local Notice to Mariners and weather.

3090.7 Atlantic City, NJ (NMK-2)

U.S. Coast Guard.

2670 kHz, J3E, Ch. 22A, F3E. 1103, 2303. Local Notice to Mariners and weather.

3092 Baltimore, MD (NMX)

U.S. Coast Guard.

Ch. 22A, F3E. 0130, 1205. Local Notice to Mariners and weather.

3093 Chincoteague, VA (NMN-70)

U.S. Coast Guard.

2670 kHz, J3E. 0233, 1403. Local Notice to Mariners and weather.

Ch. 22A, F3E. 0200, 1145. Local Notice to Mariners and weather.

3096 Chesapeake, VA (NMN)

(NMN-80) U.S. Coast Guard.

4426, 6501, 8764, kHz, J3E. 0330, 0500, 0930. Maritime Safety Information (MSI).

6501, 8764, 13089 kHz, J3E. 1130, 1600, 2200, 2330. Maritime Safety Information (MSI).

8764, 13089, 17314 kHz, J3E. 1730. Maritime Safety Information (MSI).

2670 kHz, J3E. 0203, 1333. Local Notice to Mariners and weather.

Ch. 22A, F3E. 0230, 1120. Local Notice to Mariners and weather.

518 kHz, F1B. 0130, 0530, 0930, 1330, 1730,

2130.

NAVTEX [N].

3099 Cape Hatteras, NC (NMN-13)

U.S. Coast Guard.

2670 kHz, J3E. 0133, 1303. Local Notice to Mariners and weather.

Ch. 22A, F3E. 0100, 1055. Local Notice to Mariners and weather.

3099.5 Fort Macon, NC (NMN-37)

U.S. Coast Guard.

2670 kHz, J3E, Ch. 22A, F3E.. 0103, 1233. Local Notice to Mariners and weather.

3100 Charleston, SC (NMB)

U.S. Coast Guard.

2670 kHz, J3E. 0420, 1620. Local Notice to Mariners and weather.

Ch. 22A, F3E. 1200, 2200. Local Notice to Mariners and weather.

3101 Savannah, GA (NMN)

U.S. Coast Guard.

518 kHz, F1B. 0040, 0440, 0840, 1240, 1640,

2040.

NAVTEX [E].

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5) Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 33

3102 Mayport, FL (NMV)

U.S. Coast Guard.

2670 kHz, J3E. 0620, 1820. Local Notice to Mariners and weather.

Ch. 22A, F3E. 1215, 2215. Local Notice to Mariners and weather.

3104 Miami, FL (NMA) (NCF)

U.S. Coast Guard.

2670 kHz, J3E. 0350, 1550. Local Notice to Mariners and weather.

Ch. 22A, F3E. 1230, 2230. Local Notice to Mariners and weather.

518 kHz, F1B. 0000, 0400, 0800, 1200, 1600, 2000.NAVTEX [A].

3106 Key West, FL (NOK)

U.S. Coast Guard.

Ch. 22A, F3E. 1200, 2200. Local Notice to Mariners and weather.

3107.8 St. Petersburg, FL (NME)

U.S. Coast Guard.

2670 kHz, J3E. 0320, 1420. Local Notice to Mariners and weather.

Ch. 22A, F3E. 1300, 2300. Local Notice to Mariners and weather.

3108 New Orleans, LA (NMG)

(NMG-2) U.S. Coast Guard.

2670 kHz, J3E. 0550. Local Notice to Mariners and weather.

2670 kHz, J3E, Ch. 22A, F3E. 1035, 1235, 1635, 2235. Local Notice to Mariners and weather.

4316, 8502, 12788 kHz, J3E. 0330, 0500, 0930, 1130, 1600,

1730, 2200, 2330.

Local Notice to Mariners and weather.

4317.9, 8503.9, 12789.9 kHz,

F3C.

0000, 0600, 1200, 1800. Weather FAX*; 120/576.

17146.4 kHz, F3C. 1200, 1800. Weather FAX*; 120/576.

518 kHz, F1B. 0300, 0700, 1100, 1500, 1900,

2300.

NAVTEX [G].

*NOTE: Broadcast schedule at 2025.

3111 Mobile, AL (NOQ)

U.S. Coast Guard.

2670 kHz, J3E, Ch. 22A, F3E. 1020, 1220, 1620, 2220. Local Notice to Mariners and weather.

3112 Galveston, TX (NOY)

U.S. Coast Guard.

2670 kHz, J3E, Ch. 22A, F3E. 1050, 1250, 1650, 2250. Local Notice to Mariners and weather.

3116 Corpus Christi, TX (NOY-8)

U.S. Coast Guard.

2670 kHz, J3E, Ch. 22A, F3E. 1040, 1240, 1640, 2240. Local Notice to Mariners and weather.

MEXICO

3118 Veracruz (XFU). 451 kHz, A1A. 0300, 1600, 2100. Local navigational warnings.

8656 kHz, A1A. 1600, 2100. Local navigational warnings.

451, 8656 kHz, A1A. 0400, 1600, 2100. Weather.

CUBA

3119 Santiago de Cuba (CLM). 2760 kHz, J3E. 2340. Local navigational warnings in Spanish.

NOTE: Frequency 2760 kHz has been reported as temporarily out of service. Navigational warnings will be transmitted on VHF Ch. 64 after prior announcement on

VHF Ch. 16 until further notice.

3121 Cienfuegos (CLC). 2760 kHz, J3E. 2305. Local navigational warnings in Spanish.

3131 Habana (CLT). 2760 kHz, J3E. 2310 Local navigational warnings in Spanish.

2760 kHz, J3E. 0403, 2203. Military exercise warnings in Spanish.

2760 kHz, J3E. 0105, 1305. Weather in Spanish.

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5)

Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 34

BERMUDA

3135 Bermuda Harbor (ZBM). 2582 kHz, J3E, Ch. 27, F3E. 0035, 0435, 0835, 1235, 1635,

2035.

Local navigational warnings and weather.

162.4 MHz (WX2), J3E. Continuous. Local navigational warnings and weather.

518 kHz, F1B. 0010, 0410, 0810, 1210, 1610,

2010.

NAVTEX [B].

JAMAICA

3135.5 Jamaica Coast Guard (6YX). 2738 kHz, A3E, Ch. 13, F3E. 1330, 1830. Local navigational warnings and weather.

Ch. 13, F3E. 0130, 1430, 1930. Weather.

PUERTO RICO

3138 San Juan, PR (NMR) (NMR-1)

U.S. Coast Guard.

2670 kHz, J3E. 0305, 1505. Local Notice to Mariners and weather.

Ch. 22A, F3E. 1210, 2210. Local Notice to Mariners and weather.

518 kHz, F1B. 0200, 0600, 1000, 1400, 1800,

2200.

NAVTEX [R].

MARTINIQUE

3140 Fort de France (CROSSAG)

(MRCC).

Ch. 79, F3E;

Ch. 80, F3E.

0020, 0040, 1450, 1510;

0030, 0050, 1500, 1520.

Local navigational warnings and weather in

French for Martinique, St. Lucia and Dominica.

Ch. 79, F3E;

Ch. 80, F3E;

Ch. 64, F3E.

1530, 2300;

1540, 1600, 2310, 2330;

1550, 2320.

Gunfire warnings and weather in French for

Guadeloupe.

Ch. 64, F3E. 0000, 1630. Local navigational warnings and weather in

French for St. Martin and Antigua.

2545 kHz, J3E. 1215, 2133. Weather in French.

2545 kHz, J3E. Every even hour. Weather.

Ch. 64, 79, 80, F3E. Every hour. Weather.

Ch. 79, F3E;

Ch. 80, F3E;

1120, 1140, 2220, 2240;

1130, 1150, 2230, 2250.

Weather in French for Martinique, St. Lucia and

Dominica.

Ch. 79, F3E;

Ch. 80, F3E;

Ch. 64, F3E.

0100, 1200;

0110, 0130, 1210, 1230;

0120, 1220.

Weather in French for Guadeloupe.

Ch. 64, F3E. 0200, 1300. Weather in French for St. Martin and Antigua.

TRINIDAD AND TOBAGO

3143 North Post (9YL)

(Trinidad).

2735, 3165 kHz, J3E. 1250, 1850. Local navigational warnings (weather on 3165

kHz).

8441 kHz, A1A. 0100, 0600, 0900, 1300, 1500,

1730, 2130.

Weather.

17184.8 kHz, A1A. 1200, 1530. Weather.

12885 kHz, A1A. 1330, 2050. Weather.

Ch. 24, 25, 26, 27, F3E. 1340, 2040. Weather.

6470.5 kHz, A1A. 2300. Weather.

NETHERLANDS ANTILLES

3145 Curacao (PJC). 518 kHz, F1B. 0110, 0510, 0910, 1310, 1710,

2110.

NAVTEX [H].

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5)

Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 35

BRAZIL

LONG-RANGE WARNINGS:

NAVAREA V:

Includes the waters west of 20°W between 7°N and 35°S, subdivided into the following areas: North Coast, East Coast and South Coast. Navigational aids are

referred to by International numbers; the term “number of order” refers to Brazilian Light List numbers. Original reports are addressed “NAVEMAR” and handled by

Brazilian government stations without charge.

3150 Belem (PPL). 4321 kHz, A1A. 0600. Local navigational warnings in Portuguese,

NAVAREA V.

8462 kHz, A1A. 1800. Local navigational warnings in Portuguese,

NAVAREA V.

8462 kHz, A1A. 1000. Weather.

4321 kHz, A1A. 2200. Weather.

4369 kHz, J3E. 0103, 0603, 1003, 1203, 1503,

2103.

Local navigational warnings and weather in

Portuguese, NAVAREA V.

3151 Belem Radio Liberal (ZYI-533). 1330 kHz. 0100, 0900, 1700. Local navigational warnings.

3152 Belem Radio Marajoara

(ZYI-531).

1130 kHz. 0200, 0930, 1800. Local navigational warnings.

3153 Ponta do Ceu. Ch. 16, F3E. 0000, 1200, 1800. Local navigational warnings.

3154 Radio Nacional de Macapa

(ZYH-222).

630 kHz. 1100, 1600, 2130. Local navigational warnings.

3157 Olinda (PPO). 4321 kHz, A1A. 0200. Local navigational warnings in Portuguese,

NAVAREA V.

8462 kHz, A1A. 1400. Local navigational warnings in Portuguese,

NAVAREA V.

8294 kHz, F3C. 0745-0830, 1745-1830. Weather FAX; 120/576

4321 kHz, A1A. 0430. Weather.

8462 kHz, A1A. 1630. Weather.

4369 kHz, J3E. 0103, 0603, 1003, 1203, 1503,

2103.

Local navigational warnings and weather in

Portuguese, NAVAREA V.

3161 Rio de Janeiro Naval (PWZ-33). 4289, 6435, 8550, 12795,

17160, 22530 kHz, A1A.

0500, 1330, 2230. NAVAREA V and local navigational warnings.

4289, 6435, 8550, 12795,

17160, 22530 kHz, F1B.

0400, 1230, 2130. NAVAREA V and local navigational warnings.

12660, 17140 kHz, F3C. 0745-0830, 1745-1830. Weather FAX; 120/576.

4289, 6435, 8550, 12795,

17160, 22530 kHz, A1A.

0215, 0945, 1945. Weather.

4289, 6435, 8550, 12795,

17160, 22530 kHz, F1B.

0115, 0845, 1845. Weather.

3166 Juncao (PPJ). 4321 kHz, A1A. 0800. Local navigational warnings in Portuguese,

NAVAREA V.

8462 kHz, A1A. 2000. Local navigational warnings in Portuguese, NAVAREA V.

4321 kHz, A1A. 0000. Weather.

8462 kHz, A1A. 1200. Weather.

4381 kHz, J3E. 0103, 0603, 1003, 1203, 1503,

2103.

Local navigational warnings and weather in

Portuguese, NAVAREA V.

(1)

No. (2)Name (3)Frequency

(4)

Times (5)Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 36

URUGUAY

3168 La Paloma (CWC-30) (CWS-27). 2722.1, 4146 kHz, J3E, Ch.

15, F3E.

0600, 1200, 1900. Local navigational warnings and weather in

Spanish.

490 kHz, F1B. 0000, 0400, 0800, 1200, 1600,

2000.

NAVTEX [A] in Spanish.

518 kHz, F1B. 0050, 0450, 0850, 1250, 1650,

2050.

NAVTEX [F].

3169 Punta del Este (CWC-34). 2722.1 kHz, J3E, Ch. 15, F3E. 0133, 1503, 2133. Local navigational warnings and weather in

Spanish.

3169.5 Punta Carretas (CWF). 2768.5 kHz, H3E, J3E, R3E. 0000, 1400, 1900. Local navigational warnings and weather in

Spanish.

4357.4, 6518.8, 8291.1,

13128.7, 17260.8, 22636.3

kHz, J3E, R3E.

0003, 1403, 1903. Local navigational warnings and weather in

Spanish.

3170 Cerrito (CWA). 421.5 kHz, A1A, A2A, 4346,

8602, 12750, 17230 kHz, A1A.

1100, 1600, 2100. Local navigational warnings and weather in

Spanish.

3176.1 Montevideo Trouville (CWC-39)

(CWC).

2722.1, 4146 kHz, J3E, Ch.

15, F3E.

0103, 1133, 1903. Local navigational warnings and weather in

Spanish.

3177 Colonia (CWC-23). 2722.1 kHz, J3E, Ch. 15, F3E. 0333, 1333, 2103. Local navigational warnings and weather in

Spanish.

3178 Nueva Palmira (CWC-31). Ch. 15, F3E. 0033, 1033, 1803 Local navigational warnings and weather in

Spanish.

ARGENTINA

LONG-RANGE WARNINGS:

NAVAREA VI:

Includes the waters between the coast of Argentina and 20°W between 35°50′S and Antarctica. Original reports to NAVAREA VI Coordinator, Hidrografia Naval, Buenos Aires.

3182 Buenos Aires (L2B) (L2G). 4210, 8416.5, 12579, 16806.5

kHz, F1B.

0030, 1530, 2100. Maritime Safety Information (MSI) (HF NBDP)

(NAVAREA VI).

4210, 8416.5, 12579 kHz, F1B. 1000, 1900. Maritime Safety Information (MSI) (HF NBDP)

(Local navigational warnings).

16806.5 kHz, F1B. 1900. Maritime Safety Information (MSI) (HF NBDP)

(Local navigational warnings).

4210, 8416.5, 12579 kHz, F1B. 0300, 1400. Maritime Safety Information (MSI) (HF NBDP)

(Weather).

16806.5 kHz, F1B. 1400. Maritime Safety Information (MSI) (HF NBDP)

(Weather).

Ch. 15, F3E. 0010, 0410, 0810, 1210, 1610,

2010.

Local navigational warnings and weather in

Spanish.

Ch. 21, F3E. Every hour +00m, +15m, +30m,

+45m.

Local navigational warnings and weather in

Spanish.

518 kHz, F1B. 0650, 1450, 2250. NAVTEX [R].

518 kHz, F1B. 0250, 1050, 1850. NAVTEX [R] in Spanish.

3184 Mar del Plata (L2U). Ch. 15, F3E. 0230, 0530, 1130, 1730, 2330. Local navigational warnings and weather in

Spanish.

518 kHz, F1B. 0640, 1440, 2240. NAVTEX [Q].

518 kHz, F1B. 0240, 1040, 1840. NAVTEX [Q] in Spanish.

3186 Recalada Rio de la Plata (L3Z). Ch. 15, F3E. 0040, 0440, 0840, 1240, 1640, 2040.Local navigational warnings and weather in

Spanish.

3191 Quequen (L5B). Ch. 15, F3E. 0010, 0410, 0810, 1210, 1610,

2010.

Local navigational warnings and weather in

Spanish.

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5)

Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 37

3192 Bahia Blanca (L2J) (L2N). 2065, 4149, 8294 kHz, J3E. 0010. Local navigational warnings in Spanish.

4149, 8294, 12353 kHz, J3E. 1210. Local navigational warnings in Spanish.

2065, 4149, 8294 kHz, J3E. 0440. Weather in Spanish.

4149, 8294, 12353 kHz, J3E. 1740. Weather in Spanish.

Ch. 15, F3E. 0010, 0410, 0810, 1210, 1610, 2010.Local navigational warnings and weather in

Spanish.

518 kHz, F1B. 0630, 1430, 2230. NAVTEX [P].

518 kHz, F1B. 0230, 1030, 1830. NAVTEX [P] in Spanish.

3193 Puerto Madryn (L4S). Ch. 15, F3E. 0010, 0410, 0810, 1210, 1610,

2010.

Local navigational warnings and weather in

Spanish.

3196 Comodoro Rivadavia (L2W)

(L3B).

4210, 8416.5, 12579 kHz, F1B. 2300. Maritime Safety Information (MSI) (HF NBDP)

(Local navigational warnings).

8416.5, 12579, 19680.5 kHz,

F1B.

1300. Maritime Safety Information (MSI) (HF NBDP)

(Local navigational warnings).

4210, 8416.5, 12579 kHz, F1B. 0530. Maritime Safety Information (MSI) (HF NBDP)

(Weather).

8416.5, 12579, 19680.5 kHz,

F1B.

1830. Maritime Safety Information (MSI) (HF NBDP)

(Weather).

Ch. 15, F3E. 0350, 0750, 1050, 1650, 2250. Local navigational warnings and weather in

Spanish.

518 kHz, F1B. 0620, 1420, 2220. NAVTEX [O].

518 kHz, F1B. 0220, 1020, 1820. NAVTEX [O] in Spanish.

3204 Rio Gallegos (L3I). 2065, 4149 kHz, J3E. 0740. Local navigational warnings in Spanish.

4149, 8294 kHz, J3E. 2040. Local navigational warnings in Spanish.

2065, 4149 kHz, J3E. 0440. Weather in Spanish.

4149, 8294 kHz, J3E. 1740. Weather in Spanish.

Ch. 15, F3E. 0010, 0410, 0810, 1210, 1610, 2010.Local navigational warnings and weather in

Spanish.

518 kHz, F1B. 0610, 1410, 2210. NAVTEX [N].

518 kHz, F1B. 0210, 1010, 1810. NAVTEX [N] in Spanish.

3208 Ushuaia (L3P). Ch. 15, F3E. 0010, 0410, 0810, 1210, 1610,

2010.

Local navigational warnings and weather in

Spanish.

518 kHz, F1B. 0600, 1400, 2200. NAVTEX [M].

518 kHz, F1B. 0200, 1000, 1800. NAVTEX [M] in Spanish.

ANTARCTICA

3209 Casey (VLM) (Australia). 7470 kHz, F3C. Continous. Weather FAX*; 120/576.

*NOTE: Broadcast schedule at 0700.

3210 Centro Meteorologico Antartico

Vcom. Marambio (LSB)

(Argentina).

2401, 4807, 9951 kHz, F1B. 0025, 0325, 0625, 0925, 1225,

1525, 1825, 2125.

Weather.

2401, 4807, 9951 kHz, F1B. 1525 (Tue., Thu.). Ice.

3211 Palmer Station (KWB-268)

(USA).

4553 kHz, F1B. 0100. Ice.

13553 kHz, F1B. 1500. Ice.

10235 kHz, F1B. 2000. Ice.

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5) Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 38

ICELAND

3212 Reykjavik (TFA). 438 kHz, A1A. 0530, 1130, 1730, 2330. Local navigational warnings, weather and ice.

1650 kHz, A3E. 0430. Local navigational warnings, weather and ice in

Icelandic.

1876 kHz, J3E. 0533, 1133, 1733, 2333. Weather.

490 kHz, F1B. 0320, 0720, 1120, 1520, 1920, 2320.NAVTEX [R] in Icelandic.

518 kHz, F1B. 0250, 0650, 1050, 1450, 1850, 2250.NAVTEX [R].

518 kHz, F1B. 0350, 0750, 1150, 1550, 1950,

2350.

NAVTEX [X]* (East Coast Greenland broadcast

for Denmark).

*NOTE: On trial.

3212.5 Icelandic State Broadcasting

Service.

209, 666, 738 kHz, A3E. 1010, 1245, 1615, 1845, 2215. Ice in Icelandic.

209 kHz, A3E. 0100. Weather and ice in Icelandic.

209, 666, 738 kHz, A3E. 0645, 0815, 1010, 1615, 1845,

2215.

Weather in Icelandic.

JAN MAYEN

3214 Jan Mayen (LMJ). 1743 kHz, J3E, Ch. 16, G3E. On request. Local navigational warnings and ice.

1743 kHz, J3E. 1203, 2303. Weather.

FAROE ISLANDS

3215 Torshavn (OXJ). 1641 kHz, A3E, Ch. 23, 24,

25, 26, F3E.

Every even hour +35m. Local navigational warnings and weather.

BJORNOYA

3216 Bjornoya (LGP) (LJB). 1722 kHz, J3E, Ch. 16, G3E. On request. Local navigational warnings, weather and ice.

1757 kHz, J3E, Ch. 12, G3E. 1005, 2205. Weather.

SVALBARD

3218 Svalbard (LGS). 1731 kHz, J3E, Ch. 25, 26,

27, G3E.

0003, 0803, 1203. Local navigational warnings (ice on request).

1731, 4357 kHz, J3E. 1203, 2303. Weather.

518 kHz, F1B. 0000, 0400, 0800, 1200, 1600,

2000.

NAVTEX [A].

RUSSIA - NORTHERN COASTS

LONG-RANGE WARNINGS:

NAVIP:

World-wide navigational warnings.

LOCAL WARNINGS:

PRIP.

3224 Murmansk (UDK) (UDK2). 521.5, 6393.5, 13050 kHz,

F1B.

0400, 1730. PRIP warnings.

521.5, 6393.5, 13050 kHz,

F1B.

0420, 1740. Weather in Russian.

6446, 7907, 8444 kHz, F3C. 0700, 0800, 1400, 1430, 2000. Weather and ice FAX*; 120/576.

518 kHz, F1B. 0020, 0420, 0820, 1220, 1620, 2020.NAVTEX [C].

*NOTE: Broadcast schedule at 1850 (RPM/IOC: 90/576).

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5)

Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 39

3226 Arkhangel'sk (UGE). 446 kHz, F1B. 0510, 0530, 1710, 1730. Local navigational warnings in Russian.

2595 kHz, J3E. 0633, 1833. Local navigational warnings in Russian.

518 kHz, F1B. 0050, 0450, 0850, 1250, 1650,

2050.

NAVTEX [F].

3232 Dickson (UCI). 428.6 kHz, F1B. 0818, 2018. Local Navigational warnings in Russian.

3235 Pevek. 148 kHz, F3C. 0530-0730, 1130-1330, 1430-1630.Ice FAX, 90/576.

NORWAY

3242 Vardo (LGV). 1635, 1695, 1713 kHz, J3E,

Ch. 04, 23, 24, 25, 26, 27,

G3E.

0233, 0633, 1033, 1433, 1833,

2233.

Local navigational warnings and weather (ice on

request).

1635, 1695, 1713 kHz, J3E. 1203, 2303. Weather.

518 kHz, F1B. 0330, 0730, 1130, 1530, 1930,

2330.

NAVTEX [V].

3244 Bodo (LGP). 1659, 1710, 1770 kHz, J3E,

Ch. 01, 02, 03, 04, 05, 07, 19,

20, 21, 23, 24, 25, 26, 27, 28,

60, 62, 63, 64, 65, 81, 84, 85,

G3E.

0333, 0733, 1133, 1533, 1933,

2333.

Local navigational warnings and weather (ice on

request).

1659, 1710 kHz, J3E. 1203, 2303. Weather.

518 kHz, F1B. 0010, 0410, 0810, 1210, 1610,

2010.

NAVTEX [B].

3248 Orlandet (LFO). 1782 kHz, J3E, Ch. 02, 03,

05, 07, 24, 25, 26, 27, 28, 61,

62, 82, G3E.

0133, 0533, 0933, 1333, 1733,

2133.

Local navigational warnings and weather (ice on

request).

1782 kHz, J3E. 1215, 2315. Weather.

518 kHz, F1B. 0210, 0610, 1010, 1410, 1810, 2210.NAVTEX [N].

3251 Floro (LGL). 1680 kHz, J3E, Ch. 03, 20,

23, 27, 65, 78, G3E.

0233, 0633, 1033, 1433, 1833,

2233.

Local navigational warnings and weather (ice on

request).

1680 kHz, J3E. 1215, 2315. Weather.

3252 Bergen (LGN). 1728 kHz, H3E, Ch. 07, 18,

21, 25, G3E.

0233, 0633, 1033, 1433, 1833,

2233.

Local navigational warnings and weather (ice on

request).

1728 kHz, H3E. 1215, 2315. Weather.

3254 Rogaland (LGQ). 1692 kHz, J3E, Ch. 20, 24,

26, G3E.

0233, 0633, 1033, 1433, 1833,

2233.

Local navigational warnings and weather (ice on

request).

1692 kHz, J3E. 1215, 2315. Weather.

518 kHz, F1B. 0150, 0550, 0950, 1350, 1750, 2150.NAVTEX [L].

3256 Farsund (LGZ). 1785 kHz, J3E, Ch. 05, 07,

27, 61, G3E.

0233, 0633, 1033, 1433, 1833,

2233.

Local navigational warnings and weather (ice on

request).

1785 kHz, J3E. 1215, 2315. Weather.

3258 Tjome (LGT). 1665 kHz, J3E, Ch. 02, 03,

07, 24, 25, 26, 27, 62, 63, 65,

79, 81, 86, 87, G3E.

0233, 0633, 1033, 1433, 1833,

2233.

Local navigational warnings and weather (ice on

request).

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5) Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 40

SWEDEN

Coast radio stations (MF) operated remotely by Stockholm Radio:

Tingstäde (1674 kHz)

Grimeton (1710 kHz)

Bjuröklubb (1779 kHz)

Gislövshammar (1797 kHz)

Härnösand (2733 kHz)

3288 Stockholm (SDJ). 1674, 1710, 1779, 1797, 2733

kHz, J3E, Ch. 01, 03, 21, 22,

23, 24, 25, 26, 27, 28, 62, 64,

65, 66, 78, 81, 82, 84, F3E.

0333, 0733, 1133, 1533, 1933,

2333.

Local navigational warnings, weather and ice (ice

at 1133).

1674, 1710, 1779, 1797, 2733

kHz, J3E, Ch. 01, 03, 21, 22,

23, 24, 25, 26, 27, 28, 62, 64,

65, 66, 78, 81, 82, 84, F3E.

0633, 1433. Weather in Swedish (May - Nov.).

518 kHz, F1B. 0110, 0510, 0910, 1310, 1710, 2110.NAVTEX [H] (Bjuröklubb).

518 kHz, F1B. 0130, 0530, 0930, 1330, 1730, 2130.NAVTEX [J] (Gislövshammar).

518 kHz, F1B. 0030, 0430, 0830, 1230, 1630,

2030.

NAVTEX [D] (Grimeton).

FINLAND

NOTE: Ships are requested to report ice and other navigational hazards by radio; ice conditions may be reported in ice code, English, Finnish, German or Swedish,

and should be sent to the nearest coast radio station. Finnish icebreakers Urho (OHMS), Sisu (OHMW)*, Voima (OHLW), Apu (OHMP), Fennica (OJAD), Nordica

(OJAE), Otso (OIRT), Kontio (OIRV) and Botnica (OJAK) maintain 24 hour watch on radiotelephone 2338 kHz and on VHF Ch. 16. Icebreakers will reply on the call

frequency, whereafter the communication will continue on a working frequency.

* Also 12 hour watch on radiotelegraphy 500 kHz.

3314 Turku (OFK). 1638, 1677, 1719, 2810 kHz,

J3E, Ch. 01, 02, 03, 04, 05,

23, 24, 25, 26, 27, 28, 68, 84,

86, F3E.

0233, 0633, 1033, 1433, 1833,

2233.

NAVAREA I, local navigational warnings and

weather.

1638, 1677, 1719, 2810 kHz,

J3E, Ch. 01, 02, 03, 04, 05,

23, 24, 25, 26, 27, 28, 68, 84,

86, F3E.

0803, 1133, 1933. Ice.

3315 Radio Finland (Yleisradio). 558, 963 kHz, A3E. 0655, 1045, 1710, 2055. Local navigational warnings and weather in

Finnish.

93.1-100.3 MHz, F3E. 0615, 1045, 1710, 2010. Local navigational warnings and weather in

Finnish.

558, 963 kHz, A3E,

93.1-100.3 MHz, F3E.

1045. Ice in Finnish.

6120 kHz, A3E. 1045 (Mon. - Sat.). Local navigational warnings, weather and ice in Finnish.

RUSSIA - BALTIC COAST

LONG-RANGE WARNINGS:

NAVIP:

World-wide navigational warnings.

LOCAL WARNINGS:

PRIP.

3325 Kaliningrad (UIW). 4228, 8454, 12877.5, 16927,

19724.5, 22603.5 kHz, F1B.

1000, 1620. NAVIP and NAVAREA warnings.

LITHUANIA

3332 Klaipeda (LYL). 3215 kHz, J3E. 0333, 0733, 1133, 1533, 1933,

2333.

Local navigational warnings.

3215 kHz, J3E. 0758, 1555. Weather.

3730 kHz, A1A, F1B. 0505, 1300. Weather.

Ch. 04, F3E. 0503, 0703. Weather.

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5)

Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 41

LATVIA

3333 Riga (YLQ). 4357 kHz, J3E. 0033, 0433, 0833, 1233, 1633,

2033.

Local navigational warnings.

Ch. 09, F3E. 0615, 1515. Weather.

Ch. 71, F3E. 0503, 1303. Local navigational warnings and weather.

ESTONIA

3334 Tallinn (ESA). 3310 kHz, J3E. 0233, 0633, 1033, 1433, 1833, 2233.Local navigational warnings.

1650 kHz, J3E. 0433, 1333. Weather.

3310 kHz, J3E, Ch. 69, F3E. Every hour +03m, +33m. Weather.

518 kHz, F1B. 0320, 0720, 1120, 1520, 1920,

2320.

NAVTEX [U] (Broadcast relayed by Stockholm

(SDJ)).

POLAND

3336 Witowo (SPS). 2720 kHz, J3E, Ch. 24, 25,

26, F3E.

0133, 0533, 0933, 1333, 1733,

2133.

Local navigational warnings.

2720 kHz, J3E, Ch. 24, 25,

26, F3E.

1035, 1335. Ice.

2720 kHz, J3E, Ch. 24, 25,

26, F3E.

0133, 0733, 1333, 1933. Weather.

3337 Slupsk. Ch. 12, 71, F3E. 0615, 1145, 1745. Local navigational warnings.

Ch. 12, 71, F3E. 0605, 1135, 1735, 2205. Weather.

3338 Zatoka Gdansk VTS. Ch. 71, F3E. 0605, 1205, 1805, 2305. Local navigational warnings and weather in

Polish.

Ch. 71, F3E. 0620, 1220, 1820, 2320. Local navigational warnings and weather in

English.

DENMARK

NOTE: Ice information is available 24 hours on request from the Danish Ice Service at the Naval Operation Command (SOK) Århus by telephone: (45) 89 43 32

04/53, fax: (45) 89 43 32 44.

Coast radio stations (MF) operated remotely by Lyngby Radio:

Skamlebæk (1704 kHz)

Blåvand (1734 kHz)

Skagen (1758 kHz)

Rønne (2586 kHz)

3359 Lyngby (OXZ). 1704, 1734, 1758, 2586 kHz,

A3E, Ch. 01, 02, 03, 04, 05,

07, 23, 28, 64, 65, 66, 83, F3E.

0133, 0533, 0933, 1333, 1733,

2133.

Local navigational warnings.

1704, 1734, 1758, 2586 kHz,

A3E.

1305. Ice.

1704, 1734, 1758, 2586 kHz,

A3E, Ch. 01, 02, 03, 04, 05,

07, 23, 28, 64, 65, 66, 83, F3E.

On request. Weather and ice.

Ch. 02, 04, 05, 07, 28, 64, 65,

F3E.

0220, 0520, 0820, 1120, 1420,

1720, 2020, 2320.

SHIPPOS information.

3362 Danish Radio (Kalundborg). 243, 1062 kHz, A3E. 0445, 0745, 1045, 1645, 2145. Weather in Danish.

243 kHz, A3E. 1150. Ice.

243, 1062 kHz, A3E. 1530 (Mon. - Fri.). Ice.

(1)

No. (2)Name (3)Frequency

(4)

Times (5)Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 42

GERMANY - NORTH SEA

NOTE: Vessels encountering dangers to navigation in waters of the Federal Republic of Germany should notify Seewarndienst Emden (Sea Warning Service Emden)

through the nearest Coast Radio Station. The Sea Warning service is available 24 hours and can be contacted by telephone: (49) 4927 187783, fax: (49) 4927

187788, telex: (41) 232154 SWD EM D, e-mail: seewarndienst.wsa-emd@t-online.de.

Reports of oil pollution should be sent to the Zentral Meldekopf Cuxhaven (ZMK) (Central Headquarters Cuxhaven) through the nearest Coast Radio Station. Radio

telegrams must carry the legend ZMK Cuxhaven and commence with the codeword Oelunfall (Oil Accident). ZMK Cuxhaven bears the cost of the message and is

available 24 hours by telephone: (49) 4721 567485, fax: (49) 4721 567404, e-mail: mlz@wsd-nord.de, frequency: through Cuxhaven Elbe Traffic Ch. 16, 71.

3370 Bremen (MRCC). Ch. 16, F3E. Every hour +00m, +30m. Local navigational warnings.

3371 Offenbach/Pinneberg (DDH)

(DDK).

147.3, 11039, 14467.3 kHz,

F1B.

0950, 1715. Local navigational warnings.

4583, 7646, 10100.8 kHz, F1B. 0515, 1715. Local navigational warnings.

147.3, 11039, 14467.3 kHz,

F1B.

0500, 0505, 0520, 0530, 0535,

0600, 0605, 0620, 0630, 0700,

0725, 0730, 0820, 0840, 0900,

0905, 0920, 0930, 1010, 1025,

1030, 1035, 1100, 1120, 1200,

1205, 1220, 1230, 1300, 1325,

1330, 1420, 1440, 1500, 1505,

1520, 1530, 1545, 1610, 1625,

1630, 1635, 1735, 1800, 1805,

1820, 1830, 1900, 1925, 1930,

2020, 2040, 2100, 2105, 2120,

2130.

Weather in German.

4583, 7646, 10100.8 kHz, F1B. 0000, 0005, 0020, 0030, 0035,

0200, 0300, 0305, 0320, 0330,

0355, 0415, 0440, 0535, 0550,

0600, 0605, 0610, 0735, 0815,

0835, 0850, 0900, 0905, 0930,

0955, 1015, 1035, 1115, 1135,

1150, 1200, 1205, 1210, 1335,

1435, 1450, 1500, 1505, 1530,

1550, 1610, 1635, 1735, 1800,

1805, 1810, 1935, 2015, 2035,

2050, 2100, 2105, 2130, 2155,

2215, 2235, 2315.

Weather.

3855, 7880, 13882.5 kHz,

F3C.

0430-2200. Weather FAX*; 120/576.

3855, 7880, 13882.5 kHz,

F3C.

0930, 1007, 1520, 1540, 2100,

2115.

Ice FAX*; 120/576.

*NOTE: Broadcast schedule at 1111.

3373 Deutschlandfunk (DLF). 1269, 6190 kHz, A3E. 0105, 0640, 1105.

2105 (Summer only).

Weather and ice in German.

NETHERLANDS

3375 Netherlands Coast Guard (PBK). 3673 kHz, J3E, Ch. 23, 83,

F3E.

0333, 0733, 1133, 1533, 1933,

2333.

Local navigational warnings and weather (ice at

1133).

3673 kHz, J3E. 0940, 2140. Weather.

Ch. 23, 83, F3E. 0705, 1205, 1805, 2205. Weather.

518 kHz, F1B. 0230, 0630, 1030, 1430, 1830,

2230.

NAVTEX [P].

BELGIUM

3378 Antwerpen (OSA). Ch. 24, F3E. Every hour +03m, +48m. Local navigational warnings and weather.

3380 Oostende (OSU). 2761 kHz, J3E, Ch. 27, F3E. 0233, 0633, 1033, 1433, 1833, 2233.Local navigational warnings.

2761 kHz, J3E, Ch. 27, F3E. 0103, 0503, 0903, 1303, 1703,

2103.

Ice.

2761 kHz, J3E, Ch. 27, F3E. 0820, 1720. Weather.

518 kHz, F1B. 0310, 0710, 1110, 1510, 1910,

2310.

NAVTEX [T].

518 kHz, F1B. 0200, 0600, 1000, 1400, 1800, 2200.NAVTEX [M] (Dover Strait broadcast for U.K.).

(1)

No. (2)Name (3)Frequency

(4)

Times (5)Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 43

UNITED KINGDOM

LONG-RANGE WARNINGS:

NAVAREA I:

Includes waters north to 71°N, south to 48°27′N and west to 35°W, and the Baltic Sea. Original reports to Hydrographer of the Navy, Radio Navigational Warnings,

Ministry of Defence, Taunton.

LOCAL WARNINGS:

WZ:

Original reports to Hydrographer of the Navy, Radio Navigational Warnings, Ministry of Defence.

3390 Aberdeen (Coastguard MRCC). 2226 kHz, J3E, Ch. 23, 84,

86, F3E.

0320, 0720, 1120, 1520, 1920,

2320.

Local navigational warnings and weather.

2226 kHz, J3E. 0820, 2020 (Oct. 1 - Mar. 31). Weather.

3391 Forth (Coastguard MRSC). Ch. 23, 86, F3E. 0205, 0605, 1005, 1405, 1805, 2205.Local navigational warnings and weather.

3392 Cullercoats. 490 kHz, F1B. 0720, 1920. NAVTEX [U] (Inshore local broadcast).

518 kHz, F1B. 0100, 0500, 0900, 1300, 1700,

2100.

NAVTEX [G].

3394 Humber (Coastguard MRSC). 2226 kHz, J3E, Ch. 23, 84,

F3E.

0340, 0740, 1140, 1540, 1940,

2340.

Local navigational warnings and weather.

2226 kHz, J3E. 0910, 2110 (Oct. 1 - Mar. 31). Weather.

3395 Northwood (GYA). 2618.5, 4610, 8040, 11086.5

kHz, F3C.

Continuous. Weather FAX* (North Atlantic); 120/576.

6834, 18261 kHz, F3C;

3289.5, 14436 kHz, F3C.

Continuous;

Alternate.

Weather FAX* (Persian Gulf); 120/576.

*NOTE: Broadcast schedule at 0100, 1300 for North Altantic and 0230, 1430 for Persian Gulf.

3396 Yarmouth (Coastguard MRCC). 1869 kHz, J3E, Ch. 23, 84,

86, F3E.

0040, 0440, 0840, 1240, 1640,

2040.

Local navigational warnings and weather.

3397 Thames (Coastguard MRSC). Ch. 23, 73, 84, 86, F3E. 0010, 0410, 0810, 1210, 1610,

2010.

Local navigational warnings and weather.

3397.1 Dover (Coastguard MRCC). Ch. 23, 86, F3E. 0105, 0505, 0905, 1305, 1705, 2105.Local navigational warnings and weather.

3397.2 Solent (Coastguard MRSC). 1641 kHz, J3E, Ch. 23, 86,

F3E.

0040, 0440, 0840, 1240, 1640,

2040.

Local navigational warnings and weather.

3398 Niton. 490 kHz, F1B. 0310, 0710, 1110, 1510, 1910,

2310.

NAVTEX [T] in French.

490 kHz, F1B. 0520, 1720. NAVTEX [I] (Inshore local broadcast).

518 kHz, F1B. 0040, 0440, 0840, 1240, 1640, 2040.NAVTEX [E].

518 kHz, F1B. 0140, 0540, 0940, 1340, 1740,

2140.

NAVTEX [K].

3400 Portland (Coastguard MRSC). Ch. 10, F3E. 0220, 0620, 1020, 1420, 1820,

2220.

Local navigational warnings and weather.

Ch. 73, 86, F3E. 0220, 0620, 1020, 1420, 1820,

2220.

Weather.

3400.2 Brixham (Coastguard MRSC). Ch. 10, 23, 73, 84, 86, F3E. 0050, 0450, 0850, 1250, 1650, 2050.Local navigational warnings and weather.

3400.3 Falmouth (Coastguard MRCC). 2226 kHz, J3E, Ch. 23, 86,

F3E.

0140, 0540, 0940, 1340, 1740,

2140.

Local navigational warnings and weather.

2226 kHz, J3E. 0950, 2150 (Oct. 1 - Mar. 31). Weather.

3400.4 Swansea (Coastguard MRCC). Ch. 10, 23, 73, 84, 86, F3E. 0005, 0405, 0805, 1205, 1605, 2005.Local navigational warnings and weather.

3400.5 Milford Haven (Coastguard

MRSC).

1767 kHz, J3E, Ch. 84, 86,

F3E.

0335, 0735, 1135, 1535, 1935,

2335.

Local navigational warnings and weather.

3400.6 Holyhead (Coastguard MRSC). 1880 kHz, J3E, Ch. 73, 84,

F3E.

0235, 0635, 1035, 1435, 1835,

2235.

Local navigational warnings and weather.

3400.7 Liverpool (Coastguard MRSC). Ch. 10, 23, 73, 86, F3E. 0210, 0610, 1010, 1410, 1810, 2210.Local navigational warnings and weather.

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5) Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 44

3401 Portpatrick. 490 kHz, F1B. 0820, 2020. NAVTEX [C] (Inshore local broadcast).

518 kHz, F1B. 0220, 0620, 1020, 1420, 1820,

2220.

NAVTEX [O].

3402 Clyde (Coastguard MRCC). 1883 kHz, J3E, Ch. 10, 23,

73, 84, 86, F3E.

0020, 0420, 0820, 1220, 1620,

2020.

Local navigational warnings and weather.

3404 Stornoway (Coastguard MRSC). 1743 kHz, J3E, Ch. 10, 67,

73, 84, F3E.

0110, 0510, 0910, 1310, 1710,

2110.

Local navigational warnings and weather.

3404.1 Shetland (Coastguard MRSC). 1770 kHz, J3E, Ch. 10, 23,

73, 84, F3E.

0105, 0505, 0905, 1305, 1705,

2105.

Local navigational warnings and weather.

1770 kHz, J3E. 0710, 1910 (Oct. 1 - Mar. 31). Weather.

3404.5 Belfast (Coastguard MRSC). Ch. 73, 84, 86, F3E. 0305, 0705, 1105, 1505, 1905,

2305.

Local navigational warnings and weather.

IRELAND

3405 Dublin (Coastguard MRCC). Ch. 02, 04, 23, 83, F3E. 0033, 0433, 0833, 1233, 1633,

2033 (1 hr. earlier when daylight

savings in effect).

Local navigational warnings.

Ch. 02, 04, 23, 83, F3E. 0033, 0103, 0403, 0633, 0703,

1003, 1233, 1303, 1603, 1833,

1903, 2203 (1 hr. earlier when

daylight savings in effect).

Weather.

3406 Malin Head (EJM) (Coastguard

MRSC).

1677 kHz, J3E, Ch. 02, 23,

24, 26, 83, F3E.

0033, 0433, 0833, 1233, 1633,

2033 (1 hr. earlier when daylight

savings in effect).

Local navigational warnings.

Ch. 02, 23, 24, 26, 83, F3E. 0033, 0103, 0403, 0633, 0703,

1003, 1233, 1303, 1603, 1833,

1903, 2203 (1 hr. earlier when

daylight savings in effect).

Weather.

518 kHz, F1B. 0240, 0640, 1040, 1440, 1840,

2240.

NAVTEX [Q].

3408 Valentia (EJK) (Coastguard

MRSC).

1752 kHz, J3E, Ch. 04, 23,

24, 26, 28, F3E.

0233, 0633, 1033, 1433, 1833,

2233 (1 hr. earlier when daylight

savings in effect).

Local navigational warnings.

1752 kHz, J3E. 0303, 0833, 0903, 1503, 2033,

2103 (1 hr. earlier when daylight

savings in effect).

Weather.

Ch. 04, 23, 24, 26, 28, F3E. 0033, 0103, 0403, 0633, 0703,

1003, 1233, 1303, 1603, 1833,

1903, 2203 (1 hr. earlier when

daylight savings in effect).

Weather.

518 kHz, F1B. 0340, 0740, 1140, 1540, 1940,

2340.

NAVTEX [W].

CHANNEL ISLANDS

3410 Jersey. Ch. 25, 82, F3E. 0433, 0833, 1633, 2033. Local navigational warnings.

Ch. 25, 82, F3E. 0307, 0645, 0745, 0845, 0907,

1245, 1507, 1845, 2107, 2245 (1

hr. earlier when daylight savings in

effect for 0645, 0745, 0845).

Weather.

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5) Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 45

FRANCE - CHANNEL AND ATLANTIC

LONG-RANGE WARNINGS:

NAVAREA II:

Includes the waters of the eastern Atlantic between 6°S and 48°27′N, west to 20°W up to 7°N and west to 35°W to the northern boundary. Original reports to the

nearest coast radio station and vessels in the vicinity. Message should be preceded by the safety signal “SECURITE” and addressed to “PREFET MARITIME”. It

should include the originating vessel's name and owner.

NOTE: Maritime Safety Information (MSI) broadcasts are announced by CROSS Stations on 2182 kHz or VHF Ch. 16 prior to broadcast on scheduled frequency or

channel number.

3421 Gris-Nez (CROSS) (MRCC). 1650 kHz, J3E. 0733, 1933. Local navigational warnings.

1650, 2677 kHz, J3E. 0733, 1933. Weather in French.

Ch. 79, F3E. Every hour +03m, +04m, +10m. Weather in French.

Ch. 79, F3E. 0603, 0610, 0620, 1433, 1445,

1503, 1803, 1810, 1820.

Weather in French.

3421.5 Jobourg (CROSS) (MRCC). 1650 kHz, J3E. 0815, 2015. Local navigational warnings.

Ch. 80, F3E. Every hour +03m, +20m, +50m. Weather.

Ch. 80, F3E. 0603, 0615, 0633, 0645, 0703,

1433, 1445, 1503, 1515, 1533,

1803, 1815, 1833, 1845, 1903.

Weather in French.

3423 Corsen (CROSS) (MRCC). 1650, 2677 kHz, J3E. 0635, 1835. Local navigational warnings.

1650, 2677 kHz, J3E. Every hour +03m., 0715, 1915. Weather in French.

Ch. 79, F3E. 0345, 0403, 0415, 0433, 0445,

0603, 0615, 0633, 0645, 0703,

1003*, 1015*, 1033*, 1045*,

1103*, 1433, 1445, 1503, 1515,

1533, 1803, 1815, 1833, 1845,

1903.

Weather in French.

Ch. 79, F3E. Every hour +03m. Weather in French.

490 kHz, F1B. 0040, 0440, 0840, 1240, 1640,

2040.

NAVTEX [E] in French.

518 kHz, F1B. 0000, 0400, 0800, 1200, 1600, 2000.NAVTEX [A].

*NOTE: May 1 - Sep. 30.

3423.5 Etel (CROSS) (MRCC). 2677 kHz, J3E. Every hour +33m, 0803, 1403,

1803.

Weather in French.

Ch. 79, F3E. Every hour +03m, 0603, 0615,

0633, 0645, 0703, 1433, 1445,

1503, 1515, 1533, 1803, 1815,

1833, 1845, 1903.

Weather in French.

Ch. 80, F3E. Every hour +03m, 0603, 0615,

0633, 0645, 0703, 0715, 1433,

1445, 1503, 1515, 1533, 1545,

1803, 1815, 1833, 1845, 1903,

1915.

Weather in French.

SPAIN - NORTH COAST

3430 La Guardia. Ch. 21, F3E. 0840, 2010. Local navigational warnings.

Ch. 21, F3E. 0840, 1240, 2010. Weather in Spanish.

3430.1 Vigo. Ch. 10, F3E. On receipt. Local navigational warnings.

Ch. 10, F3E. 0015, 0415, 0815, 1215, 1815, 2015.Weather.

Ch. 65, F3E. 0840, 2010. Local navigational warnings.

Ch. 65, F3E. 0840, 1240, 2010. Weather in Spanish.

(1)

No. (2)Name (3)Frequency

(4)

Times (5)Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 46

3430.2 Bilbao. Ch. 10, F3E. On receipt. Local navigational warnings.

Ch. 10, F3E. Every even hour +33m. Weather.

Ch. 26, F3E. 0840, 2010. Local navigational warnings.

Ch. 26, F3E. 0840, 1240, 2010. Weather in Spanish.

3430.3 Pasajes. Ch. 27, F3E. 0840, 2010. Local navigational warnings.

Ch. 27, F3E. 0840, 1240, 2010. Weather in Spanish.

3430.4 Santander. Ch. 24, F3E. 0840, 2010. Local navigational warnings.

Ch. 24, F3E. 0840, 1240, 2010. Weather in Spanish.

Ch. 74, F3E. On receipt. Local navigational warnings.

Ch. 74, F3E. 0245, 0445, 0645, 0845, 1045,

1445, 1845, 2245.

Weather .

3430.5 Navia. Ch. 60, F3E. 0840, 2010. Local navigational warnings.

Ch. 60, F3E. 0840, 1240, 2010. Weather in Spanish.

3430.6 Cabo Ortegal. Ch. 02, F3E. 0840, 2010. Local navigational warnings.

Ch. 02, F3E. 0840, 1240, 2010. Weather in Spanish.

3430.8 Cabo Penas. 1677 kHz, J3E. 0703, 1903. Local navigational warnings.

1677 kHz, J3E. 0703, 1303, 1903. Weather in Spanish.

Ch. 23, F3E. 0840, 2010. Local navigational warnings.

Ch. 23, F3E. 0840, 1240, 2010. Weather in Spanish.

3430.9 Gijon. Ch. 10, F3E. On receipt. Local navigational warnings.

Ch. 10, F3E. Every even hour +15m. Weather.

3433 Finisterre. 1764 kHz, J3E. 0703, 1903. Local navigational warnings.

1764 kHz, J3E. 0703, 1303, 1903. Weather in Spanish.

Ch. 11, F3E. On receipt. Local navigational warnings.

Ch. 11, F3E. 0233, 0633, 1033, 1433, 1833, 2233.Weather.

Ch. 22, F3E. 0840, 2010. Local navigational warnings.

Ch. 22, F3E. 0840, 1240, 2010. Weather in Spanish.

3434 Coruna. 1698 kHz, J3E. 0703, 1903. Local navigational warnings.

1698 kHz, J3E. 0703, 1303, 1903. Weather in Spanish.

Ch. 10, F3E. On receipt. Local navigational warnings.

Ch. 12, 13, 14, F3E. 0005, 0405, 0805, 1205, 1605,

2005.

Weather.

Ch. 26, F3E. 0840, 2010. Local navigational warnings.

Ch. 26, F3E. 0840, 1240, 2010. Weather in Spanish.

518 kHz, F1B. 0030, 0430, 0830, 1230, 1630, 2030.NAVTEX [D].

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5) Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 47

3436 Machichaco. 1707 kHz, J3E. 0703, 1903. Local navigational warnings.

1707 kHz, J3E. 0703, 1303, 1903. Weather in Spanish.

PORTUGAL

NOTE: Original reports to the nearest coast radio station. Message should be preceded by the safety signal “SECURITE” and be in English or International Code

(CDPUBNV102) giving the following information: description of navigational danger, position and date/time of observation.

3441 Leixoes. Ch. 11, F3E. 0705, 1905. Local navigational warnings and weather.

3444 Monsanto (CTV). 2657 kHz, J3E, Ch. 11, F3E. 0905, 2105. Local navigational warnings and weather.

490 kHz, F1B. 0100, 0500, 0900, 1300, 1700,

2100.

NAVTEX [G] in Portuguese.

518 kHz, F1B. 0250, 0650, 1050, 1450, 1850,

2250.

NAVTEX [R].

3445 Faro. Ch. 11, G3E. 0805, 2005. Local navigational warnings and weather.

3456 Porto Santo, Madeira (CTQ). 2657 kHz, J3E. 0735, 1935. Local navigational warnings.

2657 kHz, J3E. 0935, 2135. Weather.

Ch. 11, F3E. 1030, 1630. Local navigational warnings.

Ch. 11, F3E. 0900, 2100. Weather.

ACORES

3456.2 Ponta Delgada. Ch. 11, F3E. 0930, 2130. Local navigational warnings and weather.

3456.3 Horta (CTH). 2657 kHz, J3E. 0935, 2135. Local navigational warnings and weather.

Ch. 11, F3E. 1000, 1100, 2000, 2200. Local navigational warnings and weather.

490 kHz, F1B. 0120, 0520, 0920, 1320, 1720,

2120.

NAVTEX [J] in Portuguese.

518 kHz, F1B. 0050, 0450, 0850, 1250, 1650,

2050.

NAVTEX [F].

SPAIN - SOUTH AND MEDITERRANEAN

LONG-RANGE WARNINGS:

NAVAREA III:

Includes the waters of the Mediterranean and the Black Sea. Original reports to NAVAREA III Coordinator, Instituto de la Marina.

3458 Cadiz. Ch. 26, F3E. 0833, 2003. Local navigational warnings.

Ch. 26, F3E. 0833, 1133, 2003. Weather in Spanish.

Ch. 74, F3E. On receipt. Local navigational warnings.

Ch. 74, F3E. 0315, 0715, 1115, 1515, 1915,

2315.

Weather.

3459 Alicante. Ch. 85, F3E. 0910, 2110. Local navigational warnings.

Ch. 85, F3E. 0910, 1410, 2110. Weather in Spanish.

3459.3 Chipiona. 1656 kHz, J3E. 0733, 1933. Local navigational warnings.

1656 kHz, J3E. 0733, 1233, 1933. Weather in Spanish.

(1)

No. (2)Name (3)Frequency

(4)

Times (5)Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 48

3459.35 Cabo de la Nao. Ch. 01, F3E. 0910, 2110. Local navigational warnings.

Ch. 01, F3E. 0910, 1410, 2110. Weather in Spanish.

518 kHz, F1B. 0350, 0750, 1150, 1550, 1950,

2350.

NAVTEX [X].

3459.37 Valencia. Ch. 10, F3E. On receipt. Local navigational warnings.

Ch. 10, F3E. Every even hour +15m. Weather.

3459.4 Castellon. Ch. 25, F3E. 0910, 2110. Local navigational warnings.

Ch. 25, F3E. 0910, 1410, 2110. Weather in Spanish.

Ch. 74, F3E. On receipt. Local navigational warnings.

Ch. 74, F3E. 0900, 1400, 1900. Weather.

3459.5 Tarragona. Ch. 23, F3E. 0910, 2110. Local navigational warnings.

Ch. 23, F3E. 0910, 1410, 2110. Weather in Spanish.

Ch. 74, F3E. On receipt. Local navigational warnings.

Ch. 74, F3E. Summer: 0433, 0833, 1433, 1933;

Winter: 0533, 0933, 1533, 2033.

Weather.

3459.55 Barcelona. Ch. 10, F3E. On receipt. Local navigational warnings.

Ch. 10, F3E. Summer: 0500, 0900, 1400, 1900;

Winter: 0600, 1000, 1500, 2000.

Weather.

Ch. 60, F3E. 0910, 2110. Local navigational warnings.

Ch. 60, F3E. 0910, 1410, 2110. Weather in Spanish.

3459.6 Malaga. Ch. 26, F3E. 0833, 2003. Local navigational warnings.

Ch. 26, F3E. 0833, 1133, 2003. Weather in Spanish.

3459.65 Almeria. Ch. 74, F3E. On receipt. Local navigational warnings.

Ch. 74, 76, F3E. Every odd hour +15m. Weather.

3459.7 Cabo de Gata. 1767 kHz, J3E. 0750, 1950. Local navigational warnings.

1767 kHz, J3E. 0750, 1303, 1950. Weather in Spanish.

Ch. 27, F3E. 0833, 2003. Local navigational warnings.

Ch. 27, F3E. 0833, 1133, 2003. Weather in Spanish.

3460 Tarifa. 1704 kHz, J3E. 0733, 1933. Local navigational warnings.

1704 kHz, J3E. 0733, 1233, 1933. Weather in Spanish.

Ch. 10, F3E. On receipt. Local navigational warnings.

Ch. 10, F3E. Every even hour +15m. Weather.

Ch. 81, F3E. 0833, 2003. Local navigational warnings.

Ch. 81, F3E. 0833, 1133, 2003. Weather in Spanish.

518 kHz, F1B. 0100, 0500, 0900, 1300, 1700,

2100.

NAVTEX [G].

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5) Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 49

3462 Cartagena. Ch. 04, F3E. 0910, 2110. Local navigational warnings.

Ch. 04, F3E. 0910, 1410, 2110. Weather in Spanish.

Ch. 10, F3E. On receipt. Local navigational warnings.

Ch. 10, F3E. 0115, 0515, 0915, 1315, 1715,

2115.

Weather.

3462.5 Bagur. Ch. 23, F3E. 0910, 2110. Local navigational warnings.

Ch. 23, F3E. 0910, 1410, 2110. Weather in Spanish.

ISLAS BALEARES

3464 Palma. 1755 kHz, J3E. 0750, 1950. Local navigational warnings.

1755 kHz, J3E. 0750, 1303, 1950. Weather in Spanish.

Ch. 10, F3E. On receipt. Local navigational warnings.

Ch. 10, F3E. Summer: 0635, 0935, 1435, 1935;

Winter: 0735, 1035, 1535, 2035.

Weather in Spanish.

Ch. 20, F3E. 0910, 2110. Local navigational warnings.

Ch. 20, F3E. 0910, 1410, 2110. Weather in Spanish.

3464.5 Menorca. Ch. 85, F3E. 0910, 2110. Local navigational warnings.

Ch. 85, F3E. 0910, 1410, 2110. Weather in Spanish.

3465 Ibiza. Ch. 03, F3E. 0910, 2110. Local navigational warnings.

Ch. 03, F3E. 0910, 1410, 2110. Weather in Spanish.

FRANCE - MEDITERRANEAN

NOTE: Maritime Safety Information (MSI) broadcasts are announced by CROSS Stations on 2182 kHz or VHF Ch. 16 prior to broadcast on scheduled frequency or

channel number.

3471 La Garde (CROSS) (MRCC). 1696, 2677 kHz, J3E. 0733, 1503. Local navigational warnings.

1696, 2677 kHz, J3E. 0550, 1333, 1750. Weather in French.

1696, 2677 kHz, J3E. 0003, 0403, 0803, 1203, 1603,

2003.

Weather in French.

Ch. 79, F3E. Every hour +03m, 0603, 0615,

1133, 1145, 1803, 1815.

Weather in French.

Ch. 80, F3E. Every hour +03m, 0633, 0645,

0650, 0703, 1203, 1215, 1220,

1233, 1833, 1845, 1850, 1903.

Weather in French.

490 kHz, F1B. 0300, 0700, 1100, 1500, 1900,

2300.

NAVTEX [S] in French.

518 kHz, F1B. 0340, 0740, 1140, 1540, 1940,

2340.

NAVTEX [W].

3473 Corse (Sous-CROSS) (MRSC). Ch. 79, F3E. Every hour +10m, 0633, 0645,

0703, 0715, 0733, 0745, 1133,

1145, 1203, 1215, 1233, 1245,

1833, 1845, 1903, 1915, 1933,

1945.

Weather in French.

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5) Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 50

MONACO

3474 Monaco (3AC) (3AF). 4363 kHz, J3E, Ch. 20, 22,

F3E.

0703. Local navigational warnings in French (in English

on request).

8806, 13152, 17323, 22768

kHz, J3E.

0930. Weather.

4363 kHz, J3E, Ch. 20, 22,

F3E.

0803, 1303, 1815. Weather.

8728, 8806 kHz, J3E. 0715, 1830. Weather.

Ch. 20, 22, F3E. Every hour +03m (during hours of

service).

Weather.

Ch. 23, 24, 25, F3E. Continuous. Weather.

NOTE: Hours of service: 0600-2100 (Winter), 0500-2000 (Summer).

ITALY

3475 Roma (IAR). 521.5 kHz, A1A. 0948, 1318, 1748, 2118. Local navigational warnings and weather.

521.5, 4292, 8530, 13011,

17160.8 kHz, A1A.

0830, 2030. Weather.

521.5, 4292 kHz, A1A. 0050, 0650, 1250, 1850. Weather.

Ch. 25, F3E. 0533, 0933, 1333, 1833, 2333. Local navigational warnings.

Ch. 25, F3E. 0135, 0735, 1335, 1935. Weather.

Ch. 68, F3E. Continuous. Weather.

518 kHz, F1B. 0250, 0650, 1050, 1450, 1850, 2250.NAVTEX [R].

3476 Cagliari (IDC). 444 kHz, A1A. 0918, 1248, 1648, 2048. Local navigational warnings and weather.

2680 kHz, J3E, Ch. 04, 62,

82, F3E.

0303, 0803, 1203, 1603, 2003. Local navigational warnings.

2680 kHz, J3E, Ch. 04, 62,

82, F3E.

0135, 0735, 1335, 1935. Weather.

2680 kHz, J3E. 0303, 0803, 1203, 1603, 2003. Weather.

Ch. 68, F3E. Continuous. Weather.

518 kHz, F1B. 0310, 0710, 1110, 1510, 1910,

2310.

NAVTEX [T].

3477.2 Augusta (IQA). 2628 kHz, J3E, Ch. 85, 86,

F3E.

0333, 0833, 1233, 1633, 2033. Local navigational warnings.

2628 kHz, J3E, Ch. 85, 86,

F3E.

0135, 0735, 1335, 1935. Weather.

2628 kHz, J3E. 0333, 0833, 1233, 1633, 2033. Weather.

Ch. 68, F3E. Continuous. Weather.

518 kHz, F1B. 0330, 0730, 1130, 1530, 1930,

2330.

NAVTEX [V].

3477.3 Porto Cervo. Ch. 26, F3E. 0303, 0803, 1203, 1603, 2003. Local navigational warnings.

Ch. 26, F3E. 0135, 0735, 1335, 1935. Weather.

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5)

Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 51

3477.4 Porto Torres (IZN). 2719 kHz, J3E, Ch. 26, 28,

85, F3E.

0303, 0803, 1203, 1603, 2003. Local navigational warnings.

2719 kHz, J3E, Ch. 26, 28,

85, F3E.

0135, 0735, 1335, 1935. Weather.

2719 kHz, J3E. 0303, 0803, 1203, 1603, 2003. Weather.

Ch. 68, F3E. Continuous. Weather.

3477.5 Ancona (IPA). 511.5 kHz, A1A. 0948, 1248, 1718, 2118. Local navigational warnings and weather.

2656 kHz, J3E, Ch. 02, 25,

F3E.

0433, 0933, 1333, 1733, 2133. Local navigational warnings.

511.5 kHz, A1A. 0148, 0748, 1348, 1948. Weather.

2656 kHz, J3E, Ch. 02, 25,

F3E.

0135, 0735, 1335, 1935. Weather.

2656 kHz, J3E. 0433, 0933, 1333, 1733, 2133. Weather.

Ch. 68, F3E. Continuous. Weather.

3477.6 Ravenna. Ch. 27, F3E. 0433, 0933, 1333, 1733, 2133. Local navigational warnings.

Ch. 27, F3E. 0135, 0735, 1335, 1935. Weather.

Ch. 68, F3E. Continuous. Weather.

3478 Genova (ICB). 447 kHz, A1A. 0848, 1348, 1748, 2148. Local navigational warnings and weather.

2722 kHz, J3E, Ch. 07, 25,

27, F3E.

0333, 0833, 1233, 1633, 2033. Local navigational warnings.

2722 kHz, J3E, Ch. 07, 25,

27, F3E.

0135, 0735, 1335, 1935. Weather.

2722 kHz, J3E. 0333, 0833, 1233, 1633, 2033. Weather.

Ch. 68, F3E. Continuous. Weather.

3480 Livorno (IPL). 2591 kHz, J3E, Ch. 26, 61,

F3E.

0333, 0833, 1233, 1633, 2033. Local navigational warnings.

2591 kHz, J3E, Ch. 26, 61,

F3E.

0135, 0735, 1335, 1935. Weather.

2591 kHz, J3E. 0333, 0833, 1233, 1633, 2033. Weather.

Ch. 68, F3E. Continuous. Weather.

3482 Civitavecchia (IPD). 1888 kHz, J3E, Ch. 01, 64,

F3E.

0533, 0933, 1333, 1833, 2333. Local navigational warnings.

1888 kHz, J3E, Ch. 01, 64,

F3E.

0135, 0735, 1335, 1935. Weather.

1888 kHz, J3E. 0533, 0933, 1333, 1833, 2333. Weather.

Ch. 68, F3E. Continuous. Weather.

3484 Napoli (IQH). 2632 kHz, J3E, Ch. 01, 25,

27, F3E.

0333, 0833, 1233, 1633, 2033. Local navigational warnings.

2632 kHz, J3E, Ch. 01, 25,

27, F3E.

0135, 0735, 1335, 1935. Weather.

2632 kHz, J3E. 0333, 0833, 1233, 1633, 2033. Weather.

Ch. 68, F3E. Continuous. Weather.

(1)

No. (2)Name (3)Frequency

(4)

Times (5)Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 52

3486 Messina (IDF). 2789 kHz, J3E, Ch. 88, F3E. 0333, 0833, 1233, 1633, 2033. Local navigational warnings.

2789 kHz, J3E, Ch. 88, F3E. 0135, 0735, 1335, 1935. Weather.

2789 kHz, J3E. 0333, 0833, 1233, 1633, 2033. Weather.

Ch. 68, F3E. Continuous. Weather.

3487 Palermo (IPP). 1852 kHz, J3E, Ch. 27, 61,

81, 84, F3E.

0333, 0833, 1233, 1633, 2033. Local navigational warnings.

1852 kHz, J3E, Ch. 27, 61,

81, 84, F3E.

0135, 0735, 1335, 1935. Weather.

1852 kHz, J3E. 0333, 0833, 1233, 1633, 2033. Weather.

Ch. 68, F3E. Continuous. Weather.

3489 Mazara del Vallo (IQQ). 2600 kHz, J3E, Ch. 25, 26,

82, F3E.

0333, 0833, 1233, 1633, 2033. Local navigational warnings.

2600 kHz, J3E, Ch. 25, 26,

82, F3E.

0135, 0735, 1335, 1935. Weather.

2600 kHz, J3E. 0333, 0833, 1233, 1633, 2033. Weather.

Ch. 68, F3E. Continuous. Weather.

3490 Lampedusa (IQN). 1876 kHz, J3E, Ch. 25, 87,

88, F3E.

0333, 0833, 1233, 1633, 2033. Local navigational warnings.

1876 kHz, J3E, Ch. 25, 87,

88, F3E.

0135, 0735, 1335, 1935. Weather.

1876 kHz, J3E. 0333, 0833, 1233, 1633, 2033. Weather.

Ch. 68, F3E. Continuous. Weather.

3493 Crotone (IPC). 2663 kHz, J3E, Ch. 26, 62,

84, 88, F3E.

0333, 0833, 1233, 1633, 2033. Local navigational warnings.

2663 kHz, J3E, Ch. 26, 62,

84, 88, F3E.

0135, 0735, 1335, 1935. Weather.

2663 kHz, J3E. 0333, 0833, 1233, 1633, 2033. Weather.

Ch. 68, F3E. Continuous. Weather.

3495 Bari (IPB). 514.5 kHz, A1A. 0848, 1218, 1648, 2048. Local navigational warnings and weather.

2579 kHz, J3E, Ch. 01, 05,

27, F3E.

0333, 0833, 1233, 1633, 2033. Local navigational warnings.

514.5 kHz, A1A. 0125, 0725, 1325, 1925. Weather.

2579 kHz, J3E, Ch. 01, 05,

27, F3E.

0135, 0735, 1335, 1935. Weather.

2579 kHz, J3E. 0333, 0833, 1233, 1633, 2033. Weather.

Ch. 68, F3E. Continuous. Weather.

3496 San Benedetto del Tronto (IQP). 1855 kHz, J3E, Ch. 65, 87,

F3E.

0433, 0933, 1333, 1733, 2133. Local navigational warnings.

1855 kHz, J3E, Ch. 65, 87,

F3E. 0135, 0735, 1335, 1935. Weather.

1855 kHz, J3E. 0433, 0933, 1333, 1733, 2133. Weather.

Ch. 68, F3E. Continuous. Weather.

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5)

Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 53

3498 Trieste (IQX). 512.5 kHz, A1A. 0848, 1218, 1648, 2048. Local navigational warnings and weather.

2624 kHz, J3E, Ch. 01, 26,

F3E.

0433, 0933, 1333, 1733, 2133. Local navigational warnings.

2624 kHz, J3E, Ch. 01, 26,

83, F3E.

0135, 0735, 1335, 1935. Weather.

2624 kHz, J3E. 0433, 0933, 1333, 1733, 2133. Weather.

Ch. 83, F3E. 0333, 0833, 1233, 1633, 2033. Local navigational warnings.

Ch. 68, F3E. Continuous. Weather.

518 kHz, F1B. 0320, 0720, 1120, 1520, 1920,

2320.

NAVTEX [U].

MALTA

3498.05 Malta. 2625 kHz, J3E, R3E, Ch. 04,

F3E.

1003, 1603, 2103. NAVAREA III, local navigational warnings.

2625 kHz, J3E, R3E, Ch. 04,

F3E.

0603, 1003, 1603, 2103. Weather.

518 kHz, F1B. 0220, 0620, 1020, 1420, 1820,

2220.

NAVTEX [O].

ALBANIA

3498.1 Durres (ZAD). 460 kHz, A1A. 0818, 1218, 1618. Local navigational warnings.

CROATIA

3499 Split (9AS). Ch. 07, 21, 81, F3E. 0545, 1245, 1945. Local navigational warnings and weather.

518 kHz, F1B. 0240, 0640, 1040, 1440, 1840, 2240.NAVTEX [Q].

3499.05 Dubrovnik (9AD). 2615 kHz, J3E, Ch. 04, 07,

F3E.

0625, 1320, 2120. Local navigational warnings and weather.

3499.1 Rijeka (9AR). 2771 kHz, J3E, Ch. 24, F3E. 0535, 1435, 1935. Local navigational warnings and weather.

SERBIA AND MONTENEGRO

3499.5 Bar (YUW). 1720.4 kHz, J3E, Ch. 20, 24,

F3E.

0850, 1420, 2050. Local navigational warnings and weather.

GREECE

3500 Kerkira (SVK). 2830 kHz, J3E. 0033, 0633, 1033, 1633. Local navigational warnings.

2830 kHz, J3E. 0703, 0903, 1533, 2133. Weather.

518 kHz, F1B. 0140, 0540, 0940, 1340, 1740, 2140.NAVTEX [K].

3502 Iraklion (SVH). 2799 kHz, J3E. 0633, 1133, 1733, 2333. Local navigational warnings.

2799 kHz, J3E. 0703, 0903, 1533, 2133. Weather.

518 kHz, F1B. 0110, 0510, 0910, 1310, 1710, 2110.NAVTEX [H].

3503 Rodhos (SVR). 2624 kHz, J3E. 0633, 1133, 1733, 2333. Local navigational warnings.

2624 kHz, J3E. 0703, 0903, 1533, 2133. Weather.

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5)

Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 54

3504 Athens (SVN) (SVJ4). 2590 kHz, J3E. 0703, 0933, 1503, 2103. Weather.

8743 kHz, J3E. 1215, 2015. Weather in Greek.

8743 kHz, J3E. 0633, 1233, 1633, 2233. Local navigational warnings.

4481, 8105 kHz, F3C. 0845-0945. Weather FAX; 120/576.

3506 Hellenic Radio-Television. 729 kHz, A3E. 0450. Local navigational warnings.

729, 927, 1008, 1044, 1404,

1485, 1494, 1512, 1602 kHz,

A3E, 88.0-97.9, 101.8 MHz,

F3E.

1330. Local navigational warnings.

729 kHz, A3E. 0430. Weather.

729, 927, 1008, 1044, 1404,

1485, 1494, 1512, 1602 kHz,

A3E.

1330. Weather in Greek.

3507 Hellas. Ch. 01, 02, 04, 23, 25, 27, 60,

63, 82, 83, 85, F3E.

0500, 1100, 1730, 2330. Local navigational warnings.

Ch. 01, 02, 04, 23, 25, 27, 60,

63, 82, 83, 85, F3E.

0600, 1000, 1600, 2200. Weather.

Ch. 86, F3E. Continuous. Local navigational warnings and weather.

3508 Limnos (SVL). 2730 kHz, J3E. 0033, 0633, 1033, 1633. Local navigational warnings.

2730 kHz, J3E. 0703, 0903, 1533, 2133. Weather.

518 kHz, F1B. 0150, 0550, 0950, 1350, 1750,

2150.

NAVTEX [L].

CYPRUS

3509 Cyprus (5BA). 2700 kHz, H3E, J3E, R3E. 0733, 1533. Local navigational warnings.

518 kHz, F1B. 0200, 0600, 1000, 1400, 1800,

2200.

NAVTEX [M].

BULGARIA

3510 Varna (LZW). 3740 kHz, J3E. 0703, 1903. Local navigational warnings and weather.

4212.5 kHz, F1B. 0630, 1830. Weather.

12635.5 kHz, F1B. 0630, 1230, 1830. Weather.

Ch. 26, F3E. 0733, 1933. Local navigational warnings and weather.

518 kHz, F1B. 0130, 0530, 0930, 1330, 1730,

2130.

NAVTEX [J].

ROMANIA

3512 Constanta (YQI). 2748 kHz, J3E. 0733, 1033, 1333, 1633, 1933. Local navigational warnings and weather.

Ch.12, G3E. 0703, 1003, 1303, 1603, 1903,

2203.

Local navigational warnings and weather.

490 kHz, F1B. 0150, 0550, 0950, 1350, 1750,

2150.

NAVTEX [L] in Romanian.

NOTE: Navigational warnings are announced on MF 2182 kHz and 2187.5 kHz DSC, and on VHF Ch. 16 and Ch. 70 DSC prior to broadcast on scheduled frequency

or channel number.

(1)

No. (2)Name (3)Frequency

(4)

Times (5)Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 55

UKRAINE

3514 Odessa (UDE) (UFB). 510.5 kHz, A1A. 1718, 2318. Local navigational warnings.

510.5, 6341.5 kHz, A1A. 0518, 1118. Local navigational warnings.

3310 kHz, R3E. 0233, 0633, 1033, 1433, 1833,

2233.

Local navigational warnings.

510.5, 6341.5 kHz, A1A. 0520, 1500, 2105. Weather and ice (in Russian at 0520, 1500).

6353, 8520, 12947, 17155

kHz, A1A.

0100. Weather (Apr. 15 - Sep. 30 on 17155 kHz).

518 kHz, F1B. 0230, 0630, 1030, 1430, 1830,

2230.

NAVTEX [C].

3516 Sevastopol (URL-8). 476 kHz, A1A. 0018, 0618, 1218, 1818. Local navigational warnings.

2695 kHz, H3E. 0033, 0733, 1133, 1533, 1933,

2233.

Local navigational warnings.

3517 Mariupol (USU) (UTW). 473 kHz, A1A. 0218, 0818, 1418, 2018. Local navigational warnings.

2805 kHz, H3E. 0233, 0633, 1033, 1433, 1833,

2233.

Local navigational warnings.

473, 4265 kHz, A1A. 0500, 1700. Weather and ice in Russian (ice at 1700).

2805 kHz, H3E. 0330, 0930. Weather and ice in Russian (ice at 0930).

6326.5, 8422.5, 12615, 16829

kHz, F1B.

1440. Local navigational warnings in Russian and

Ukrainian (selected warnings repeated in

English).

3517.5 Kerch. 518 kHz, F1B. 0100, 0500, 0900, 1300, 1700, 2100.NAVTEX [B].

3518 Kiev. 12828.7 kHz, F3C. 1857 (on 1, 6, 11, 16, 21, 26 of

each month).

Ice FAX; 120/576.

GEORGIA

3519 Batumi (UFA). 484 kHz, A1A. 0118, 0718, 1318, 1918. Local navigational warnings.

3630 kHz, H3E. 0133, 0533, 0933, 1333, 1733,

2133.

Local navigational warnings.

484 kHz, A1A. 0507, 1307, 2030. Weather in Russian.

RUSSIA - BLACK SEA

LONG-RANGE WARNINGS:

NAVIP:

World-wide navigational warnings.

LOCAL WARNINGS:

PRIP.

3520 Novorossiysk. 518 kHz, F1B. 0300, 0700, 1100, 1500, 1900,

2300.

NAVTEX [A].

RUSSIA - CASPIAN SEA

LOCAL WARNINGS:

PRIP.

3522 Astrakhan. 518 kHz, F1B. 0340, 0740, 1140, 1540, 1940,

2340.

NAVTEX [W].

(1)

No. (2)Name (3)Frequency

(4)

Times (5)Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 56

TURKEY

3528.1 Antalya. Ch. 67, F3E. 0700, 1000, 1300, 1600, 1900. Weather.

Ch. 67, F3E. 0730, 0900, 0930, 1130, 1330,

1530, 1730, 1930.

Weather in Turkish.

490 kHz, F1B. 0030, 0430, 0830, 1230, 1630,

2030.

NAVTEX [D] in Turkish. On trial.

518 kHz, F1B. 0050, 0450, 0850, 1250, 1650, 2050.NAVTEX [F].

3529 Izmir. 490 kHz, F1B. 0020, 0420, 0820, 1220, 1620, 2020.NAVTEX [C] in Turkish. On trial.

518 kHz, F1B. 0120, 0520, 0920, 1320, 1720,

2120.

NAVTEX [I].

3531 Samsun. Ch. 67, F3E. 0700, 1000, 1300, 1600, 1900. Weather.

Ch. 67, F3E. 0730, 0900, 0930, 1130, 1330,

1530, 1730, 1930.

Weather in Turkish.

490 kHz, F1B. 0000, 0400, 0800, 1200, 1600,

2000.

NAVTEX [A]. On trial.

518 kHz, F1B. 0040, 0440, 0840, 1240, 1640,

2040.

NAVTEX [E].

3533 Istanbul (TAH). 4405, 8812, 13128 kHz, J3E. 1000, 1800. Weather.

4560, 8431, 12654 kHz, F1B. 0800, 2000. Weather.

Ch. 67, F3E. 0700, 1000, 1300, 1600, 1900. Weather.

Ch. 67, F3E. 0730, 0900, 0930, 1130, 1330,

1530, 1730, 1930.

Weather in Turkish.

490 kHz, F1B. 0010, 0410, 0810, 1210, 1610, 2010.NAVTEX [B] in Turkish. On trial.

4209.5 kHz, F1B. 0200, 0600, 1000, 1400, 1800,

2200.

NAVTEX [M] in Turkish. On trial.

518 kHz, F1B. 0030, 0430, 0830, 1230, 1630,

2030.

NAVTEX [D].

ISRAEL

3534 Haifa (4XO). 2649 kHz, J3E, Ch. 26, F3E. On request. Local navigational warnings and weather.

518 kHz, F1B. 0020, 0420, 0820, 1220, 1620,

2020.

NAVTEX [P].

EGYPT - MEDITERRANEAN

3537 Alexandria. 518, kHz, F1B. 0210, 0610, 1010, 1410, 1810,

2210.

NAVTEX [N].

LIBYA

3538 Tripoli (5AT). 2182 kHz, H3E, J3E. 0903, 1903. Local navigational warnings.

2197 kHz, H3E, J3E. 0833, 1733. Weather.

TUNISIA

3540 La Goulette Port (3VW). 2182 kHz, J3E. 0003, 0403, 0603, 1003, 1303,

1803, 1903, 2103.

Local navigational warnings in French.

2182 kHz, J3E. On receipt, every hour +03m,

+33m.

Weather in French.

1743 kHz, J3E. 0405, 1905. Weather in French.

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5)

Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 57

3542 Tunis (3VT). 1820, 2670 kHz, A3E. 0803, 1203, 2003. Local navigational warnings in French.

1820, 2670 kHz, A3E. 0805, 1705. Weather in French.

ALGERIA

3550 Annaba (7TB). 2775 kHz, A3E. 0833, 2033. Local navigational warnings in French.

1745 kHz, A3E. 0920, 1033, 1720, 1833. Weather in French.

3552 Alger (7TA). 416 kHz, A1A, A2A, 1792

kHz, A3E.

0918, 2118. Local navigational warnings in French.

1792 kHz, A3E. 0903, 1703. Weather in French.

416 kHz, A1A, A2A, 2691

kHz, A3E.

0918, 2118. Weather in French.

3554 Oran (7TO). 1735 kHz, A3E. 0833, 2033. Local navigational warnings and weather in

French.

1735, 2586, 2719 kHz, A3E. 0920, 1033, 1720, 1735. Weather in French.

MOROCCO

NOTE: Vessels observing dangers to navigation are requested to transmit observations to the nearest coast radio station and other vessels in the vicinity. Message

should be preceded by the safety signal “SECURITE” and addressed to Commander, Royal Navy, Casablanca, giving observing vessel's name and owner.

3560 Tanger (CNW). 1911 kHz, H3E, J3E. 1018, 1748. Local navigational warnings in French.

1911 kHz, H3E, J3E. Every hour +03m, 0915, 1635. Weather in French.

3570 Agadir (CND). 1911 kHz, H3E, J3E. 1048, 1628. Local navigational warnings in French.

1911 kHz, H3E, J3E. Every hour +33m, 0935, 1615. Weather in French.

3572 Casablanca (CNP). 2586 kHz, H3E, J3E. 0918, 2028. Local navigational warnings in French.

2586 kHz, H3E, J3E. Every hour +33m, 0945, 1645. Weather in French.

3574 Safi (CND-3). 1743 kHz, A3E. 0928, 1648. Local navigational warnings in French.

1743 kHz, H3E, J3E. Every hour +03m, 0915, 1635. Weather in French.

ISLAS CANARIAS

3579 Arrecife. 1644 kHz, J3E. 0803, 1903. Local navigational warnings.

1644 kHz, J3E. 0803, 1233, 1903. Weather in Spanish.

Ch. 25, F3E. 0833, 2033. Local navigational warnings.

Ch. 25, F3E. 0833, 1333, 2033. Weather in Spanish.

3579.5 Fuerteventura. Ch. 22, F3E. 0833, 2033. Local navigational warnings.

Ch. 22, F3E. 0833, 1333, 2033. Weather in Spanish.

3580 Las Palmas. 1689 kHz, J3E. 0803, 1903. Local navigational warnings.

1689 kHz, J3E. 0803, 1233, 1903. Weather in Spanish

Ch. 10, F3E. On receipt. Local navigational warnings.

Ch. 26, F3E. 0833, 2033. Local navigational warnings.

Ch. 26, F3E. 0833, 1333, 2033. Weather in Spanish.

518 kHz, F1B. 0120, 0520, 0920, 1320, 1720,

2120.

NAVTEX [I].

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5)

Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 58

3581 Tenerife. Ch. 27, F3E. 0833, 2033. Local navigational warnings.

Ch. 27, F3E. 0833, 1333, 2033. Weather in Spanish.

Ch. 74, F3E. 0215, 0615, 1015, 1415, 1815,

2215.

Local navigational warnings.

Ch. 74, F3E. 0015, 0415, 0815, 1215, 1615,

2015.

Weather.

3581.3 Gomera. Ch. 24, F3E. 0833, 2033. Local navigational warnings.

Ch. 24, F3E. 0833, 1333, 2033. Weather in Spanish.

3581.6 Hierro. Ch. 23, F3E. 0833, 2033. Local navigational warnings.

Ch. 23, F3E. 0833, 1333, 2033. Weather in Spanish.

3581.9 La Palma. Ch. 20, F3E. 0833, 2033. Local navigational warnings.

Ch. 20, F3E. 0833, 1333, 2033. Weather in Spanish.

MAURITANIA

3583 Nouadhibou (5TA). 1881 kHz, A3E. 0833. Weather in French.

SENEGAL

3584 Dakar (6VA) (6VU). 1813 kHz, A3E. 0848, 1248, 1948. Local navigational warnings in French.

13667.5, 19750 kHz, F3C. Continuous. Weather FAX; 120/576.

GUINEA

3590 Conakry (3XC). 1813 kHz, A3E. 0818, 1218, 1718. Local navigational warnings in French.

COTE D'IVOIRE (IVORY COAST)

3600 Abidjan (TUA). 2586 kHz, H3E. 0848, 1248, 1948. Local navigational warnings in French.

GHANA

3605 Tema (9GX). 1674 kHz, H3E, J3E. 0905, 2105. Local navigational warnings and weather.

8791 kHz, J3E. 0900, 2100. Local navigational warnings and weather.

Ch. 26, F3E. 0830, 2030. Local navigational warnings and weather.

Ch. 27, F3E. 0800, 2000. Local navigational warnings and weather.

BENIN

3610 Cotonou (TYA). 1813 kHz, H3E. 0818, 1218, 1718. Local navigational warnings in French.

1813 kHz, H3E. 1003, 1603. Weather in French.

NIGERIA

3615 Lagos (5OW). 2755 kHz, J3E. 0833, 1303. Local navigational warnings.

3617 Port Harcourt (5OZ). 2630 kHz, J3E. 0820, 1220. Local navigational warnings.

CAMEROON

3620 Douala (TJC). 500, 519 kHz, A1A. Every hour +48m (0500-2000). Local navigational warnings.

8449 kHz, A1A. 0800, 0900, 1300. Weather.

13069.5 kHz, A1A. 0700, 1100, 1500. Weather.

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5)

Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 59

NAMIBIA

3627 Luderitz (V5L). Ch. 23, G3E. 0905, 1605. NAVAREA VII and local navigational warnings.

Ch. 23, G3E. 0935, 1235, 1635. Weather.

3628 Walvis Bay (V5W). 1764, 4357 kHz, J3E, Ch. 26,

27, G3E.

0905, 1605. NAVAREA VII and local navigational warnings.

1764, 4357 kHz, J3E, Ch. 26,

27, G3E.

0935, 1235, 1635. Weather.

518 kHz, F1B. 0010, 0410, 0810, 1210, 1610, 2010.NAVTEX [B].

ANGOLA

3629 Luanda (D3E). 4143.6, 8291.1 kHz, J3E, Ch.

24, F3E.

0233, 0633, 1033, 1433, 1833,

2233.

Local navigational warnings in Portuguese.

CONGO (BRAZZAVILLE)

3630 Pointe Noire (TNA). 2705 kHz, R3E. 0610, 0810, 1010, 1410, 1610. Local navigational warnings in French.

SOUTH AFRICA

LONG-RANGE WARNINGS:

NAVAREA VII:

Includes waters of the South Atlantic and Indian Oceans, bound on the west by a line running from the African Coast at 6°S to 20°W, thence south to Antarctica, and

on the east by a line running from the east African coast at 10°30′S to 55°E, thence south to 30°S, east to 80°E and south to Antarctica. Original reports to

NAVAREA VII Coordinator, Hydrographer, S.A. Navy, Maritime Headquarters, Cape Town.

3641 Port Elizabeth (ZSQ). 4375, 8740, 13146 kHz, J3E,

Ch. 23, 24, 25, 27, 28, 83,

G3E.

1015, 1333, 1815. NAVAREA VII, local navigational warnings and

weather (weather only at 1333).

518 kHz, F1B. 0120, 0520, 0920, 1320, 1720,

2120.

NAVTEX [I].

NOTE: HF and VHF voice broadcasts remotely controlled from Cape Town.

3643 Durban (ZSD). 4375, 8740, 13146 kHz, J3E,

Ch. 01, 03, 25, 26, 27, 28,

G3E.

1015, 1333, 1815. NAVAREA VII, local navigational warnings and

weather (weather only at 1333).

518 kHz, F1B. 0220, 0620, 1020, 1420, 1820,

2220.

NAVTEX [O].

NOTE: HF and VHF voice broadcasts remotely controlled from Cape Town.

3644 Cape Town (ZSC). 4375, 8740, 13146 kHz, J3E,

Ch. 01, 03, 04, 23, 25, 26, 27,

84, 85, 86, G3E.

1015, 1333, 1815. NAVAREA VII, local navigational warnings and

weather (weather only at 1333).

518 kHz, F1B. 0020, 0420, 0820, 1220, 1620, 2020.NAVTEX [C].

3645 East London (ZSA). Ch. 26, G3E. 1015, 1333, 1815. NAVAREA VII, local navigational warnings and

weather (weather only at 1333).

NOTE: VHF voice broadcasts remotely controlled from Cape Town.

3645.1 Cape Naval (NAVCOMCEN

Cape) (ZSJ).

4014 kHz, F3C. 0430, 0500, 2230. Weather FAX*; 120/576.

7508, 13538 kHz, F3C. 0430, 0500, 0630, 0730, 1030,

1100, 1530, 2230.

Weather FAX*; 120/576.

18238 kHz, F3C. 0630, 0730, 1030, 1100, 1530. Weather FAX*; 120/576.

7508, 13538, 18238 kHz, F3C. 0800. Ice FAX; 120/576.

4014 kHz, J2B. 1700. Weather.

7508, 13538 kHz, J2B. 0915, 1700. Weather.

18238 kHz, J2B. 0915. Weather.

*NOTE: Broadcast schedule at 0430.

(1)

No. (2)Name (3)Frequency

(4)

Times (5)Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 60

CHILE

LONG-RANGE WARNINGS:

NAVAREA XV:

Includes the waters of the eastern South Pacific from 18°21′S to Antarctica, bound on the west by 120°W and on the east by 67°16′W. Original reports to Director del

Servicio Hidrografico y Oceanografico de la Armada de Chile, Valparaiso.

3645.4 Puerto Montt (CBP). 2738, 4146 kHz, J3E. 1130, 2325. Weather in Spanish.

Ch. 10, G3E. 1150, 2345. Weather in Spanish.

518 kHz, F1B. 0430, 1230, 2030. NAVTEX [D].

518 kHz, F1B. 0030, 0830, 1630. NAVTEX [K] in Spanish.

3645.5 Valparaiso Playa Ancha (CBV). 4214.5, 4217.5, 8420.5, 8424,

12583.5, 12587, 16811,

16814.5, 22380.5 kHz, F1B.

1430. NAVAREA XV warnings and local navigational

warnings.

4214.5, 4217.5, 8420.5, 8424,

12583.5, 12587, 16811,

16814.5 kHz, F1B.

1210, 1610, 1845. Weather.

2738, 4357 kHz, J3E. 1235, 2335. Weather in Spanish.

Ch. 10, G3E. 1215, 2315. Weather in Spanish.

4228, 8677, 17146.4 kHz,

F3C.

1115, 1630, 1915, 2315. Weather FAX; 120/576.

518 kHz, F1B. 0410, 1210, 2010. NAVTEX [B].

518 kHz, F1B. 0010, 0810, 1610. NAVTEX [I] in Spanish.

3645.6 Talcahuano (CBT). 2738 kHz, J3E. 0220, 1420. Local navigational warnings.

2738 kHz, J3E. 0045, 1245. Weather in Spanish.

Ch. 10, G3E. 0055, 1255. Weather in Spanish.

518 kHz, F1B. 0420, 1220, 2020. NAVTEX [C].

518 kHz, F1B. 0020, 0820, 1620. NAVTEX [J] in Spanish.

3645.7 Magallanes (CBM). 2738, 4146 kHz, J3E. 0035, 1235. Weather in Spanish.

Ch. 10, G3E. 0010, 1210. Weather in Spanish.

518 kHz, F1B. 0440, 1240, 2040. NAVTEX [E].

518 kHz, F1B. 0040, 0840, 1640. NAVTEX [L] in Spanish.

3645.75 Antofagasta (CBA). 2738 kHz, J3E. 0045, 1250. Weather in Spanish.

Ch. 14, G3E. 0055, 1305. Weather in Spanish.

518 kHz, F1B. 0400, 1200, 2000. NAVTEX [A].

518 kHz, F1B. 0000, 0800, 1600. NAVTEX [H] in Spanish.

3645.76 Isla de Pascua (Easter Island)

(CBY).

2738 kHz, J3E. 0225, 1425. Weather in Spanish.

Ch 14, G3E. 0215, 1415. Weather in Spanish.

518 kHz, F1B. 0450, 1250, 2050. NAVTEX [F].

518 kHz, F1B. 0050, 0850, 1650. NAVTEX [G] in Spanish.

3645.77 Centro Meteorologico

Presidente Eduardo Frei, King

George Island (South Shetland

Islands) (CAN6D).

5302.5, 11662.5, 15470.5

kHz, F1B.

0030, 0330, 0930, 1230, 1530,

2130, 2230.

Weather.

5302.5, 11662.5, 15470.5

kHz, F3C.

0930, 1530, 2130. Weather FAX; 120/576.

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5) Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 61

3645.8 Base Prat, Greenwich Island

(South Shetland Islands) (CBZ).

2738 kHz, J3E. 0150, 1350. Weather.

6439 kHz, F1B. 1400, 2200. Weather.

6439 kHz, F1B. On request. Ice.

Ch. 14, G3E. 0155, 1355. Weather.

ECUADOR

NOTE: Original reports to Guayaquil (HCG) Naval Radio, preceded by the word “HIDRO”, or mail to Institute of the Navy, Guayaquil.

3646 Guayaquil Naval (HCG). 8474 kHz, A2A. 0000, 1200, 1700. Local navigational warnings.

PERU

LONG-RANGE WARNINGS:

NAVAREA XVI:

Includes the waters of the eastern South Pacific between 3°24′S and 18°21′S, west to 120°W. Original reports to Direccion de Hidrografia y Navegacion de la Marina,

Callao.

3646.1 Callao (OBC). 485, 12307 kHz, A1A. 0200, 1600, 2100. Local navigational warnings and weather in

Spanish, NAVAREA XVI.

518 kHz, F1B. 0320, 0720, 1120, 1520, 1920,

2320.

NAVTEX [U].

3646.2 Paita (OBY-2). 485, 6436 kHz, A1A. 0230, 1630, 2130. Local navigational warnings.

518 kHz, F1B. 0300, 0700, 1100, 1500, 1900,

2300.

NAVTEX [S].

3646.3 Mollendo (OBF-4). 156.8 MHz, F3E. 0245, 1645, 2145. Local navigational warnings and weather.

518 kHz, F1B. 0340, 0740, 1140, 1540, 1940, 2340.NAVTEX [W].

UNITED STATES - PACIFIC

LONG-RANGE WARNINGS:

NAVAREA XII:

Original reports to NAVAREA XII Coordinator, National Geospatial-Intelligence Agency, Attn: PVM (Mail stop D-44).

HYDROPAC:

Original reports to National Geospatial-Intelligence Agency.

LOCAL WARNINGS:

Local Notice to Mariners:

Original reports to nearest Coast Guard Station for relay to District Commander (oan).

3646.5 Long Beach, CA (NMC) (NMQ-9)

U.S. Coast Guard.

2670 kHz, J3E. 0503, 1303, 2103. Local Notice to Mariners and weather.

Ch. 22A, F3E. 0200, 1800. Local Notice to Mariners and weather.

3646.6 Cambria, CA (NMQ)

U.S. Coast Guard.

518 kHz, F1B. 0045, 0445, 0845, 1245, 1645,

2045.

NAVTEX [Q].

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5) Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 62

3657 Point Reyes, CA (NMC)

(NMC-17) U.S. Coast Guard.

2670 kHz, J3E. 0203, 1403. Local Notice to Mariners and weather.

8416.5, 16806.5 kHz, F1B. 0005, 1800. Maritime Safety Information (MSI) (HF NBDP)

(NAVAREA XII, HYDROPAC and weather).

4426, 8764, 13089 kHz, J3E. 0430, 1030. Maritime Safety Information (MSI).

8764, 13089, 17314 kHz, J3E. 1630, 2230. Maritime Safety Information (MSI).

Ch. 22A, F3E. 1630, 1900, 2330. Local Notice to Mariners and weather.

4346 kHz, F3C. 0245, 0800, 1100, 1430. Weather FAX*; 120/576.

8682, 12590.5, 17151.2 kHz,

F3C.

0245, 0800, 1100, 1430, 1930,

2300.

Weather FAX*; 120/576.

22527 kHz, F3C. 1930, 2300. Weather FAX*; 120/576.

518 kHz, F1B. 0000, 0400, 0800, 1200, 1600,

2000.

NAVTEX [C].

*NOTE: Broadcast schedule at 1104, 2324.

3661 Humboldt Bay, CA (NMC-11)

U.S. Coast Guard.

2670 kHz, J3E. 0303, 1503. Local Notice to Mariners and weather.

Ch. 22A, F3E. 1615, 2315. Local Notice to Mariners and weather.

3664 North Bend, OR (NOE)

U.S. Coast Guard.

2670 kHz, J3E, Ch. 22A, F3E. 0603, 1803. Local Notice to Mariners and weather.

3665 Astoria, OR (NMW)

U.S. Coast Guard.

2670 kHz, J3E, Ch. 22A, F3E. 0533, 1733. Local Notice to Mariners and weather.

518 kHz, F1B. 0130, 0530, 0930, 1330, 1730,

2130.

NAVTEX [W].

3666 Portland, OR (NMW-44)

U.S. Coast Guard.

Ch. 22A, F3E. 1745. Local Notice to Mariners and weather.

3667 Port Angeles, WA (NOW)

U.S. Coast Guard.

2670 kHz, J3E, Ch. 22A, F3E. 0615, 1815. Local Notice to Mariners and weather.

3668 Seattle, WA (NMW-43)

U.S. Coast Guard.

Ch. 22A, F3E. 0630, 1830. Local Notice to Mariners and weather.

CANADA - PACIFIC

3671 Victoria, B.C. (VAK). 162.475 MHz, Ch. 21B, F3E. Continuous (interrupted during live

broadcasts at 0510, 1510, 2110).

Local navigational warnings and weather.

3672 Comox, B.C. (VAC). 162.475, 162.55 MHz, Ch.

21B, F3E.

Continuous (interrupted during live

broadcasts at 0420, 1520, 2120).

Local navigational warnings and weather.

3675 Tofino, B.C. (VAE). 2054 kHz, J3E, 162.4,

162.475, 162.55 MHz, Ch.

21B, F3E.

0050, 0650, 1250, 1850. Local navigational warnings and weather.

162.4, 162.475, 162.55 MHz,

Ch. 21B, F3E.

Continuous (interrupted during live

broadcasts).

Local navigational warnings and weather.

518 kHZ, F1B. 0110, 0510, 0910, 1310, 1710, 2110.NAVTEX [H].

3677 Prince Rupert, B.C. (VAJ). 2054 kHz, J3E. 0105, 0705, 1305, 1905. Local navigational warnings and weather.

162.4, 162.475, 162.55 MHz,

Ch. 21B, F3E.

Continuous. Local navigational warnings and weather.

518 kHz, F1B. 0030, 0430, 0830, 1230, 1630,

2030.

NAVTEX [D].

(1)

No. (2)Name (3)Frequency

(4)

Times (5)Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 63

UNITED STATES - ALASKA

LONG-RANGE WARNINGS:

NAVAREA XII:

Original reports to NAVAREA XII Coordinator, National Geospatial-Intelligence Agency, Attn: PVM (Mail stop D-44).

HYDROPAC:

Original reports to National Geospatial-Intelligence Agency.

LOCAL WARNINGS:

Local Notice to Mariners:

Original reports to nearest Coast Guard Station for relay to District Commander (oan).

3692.5 Juneau, AK (NMJ)

U.S. Coast Guard.

Ch. 22A, F3E. 0103, 0203, 0303, 0403, 1403,

1433, 1503, 1533.

Local Notice to Mariners and weather.

3695 Kodiak, AK (NOJ)

U.S. Coast Guard.

6501 kHz, J3E. 0203, 1645. Maritime Safety Information (MSI).

Ch. 22A, F3E. 0133, 0233, 0533, 1433, 1603, 1803.Local Notice to Mariners and weather.

2054 kHz, F3C. 0950, 1600. Weather and ice FAX*; 120/576.

4298, 8459 kHz, F3C. 0400, 0950, 1600, 2150. Weather and ice FAX*; 120/576.

12412.5 kHz, F3C. 0400, 2150. Weather and ice FAX*; 120/576.

518 kHz, F1B. 0300, 0700, 1100, 1500, 1900 2300.NAVTEX [J].

518 kHz, F1B. 0340, 0740, 1140, 1540, 1940

2340.

NAVTEX [X]. (Weather products previously

broadcast from Adak.)

*NOTE: Broadcast schedule at 1727.

3696.5 Valdez, AK

U.S. Coast Guard.

Ch. 22A, F3E. 0115, 0133, 0715, 0733, 1315,

1333, 2115, 2133.

Local Notice to Mariners and weather.

UNITED STATES - HAWAII

LONG-RANGE WARNINGS:

NAVAREA XII:

Original reports to NAVAREA XII Coordinator, National Geospatial-Intelligence Agency, Attn: PVM (Mail stop D-44).

HYDROPAC:

Original reports to National Geospatial-Intelligence Agency.

LOCAL WARNINGS:

Local Notice to Mariners:

Original reports to nearest Coast Guard Station for relay to District Commander (oan).

3703 Honolulu, HI (NMO) (NMO-2)

U.S. Coast Guard.

8416.5, 12579, 22376 kHz,

F1B.

0130, 2030. Maritime Safety Information (MSI) (HF NBDP)

(NAVAREA XII, HYDROPAC and weather).

8416.5, 12579 kHz, F1B. 0730, 1330. Maritime Safety Information (MSI) (HF NBDP)

(NAVAREA XII, HYDROPAC and weather).

6501, 8764 kHz, J3E. 0600, 1200. Maritime Safety Information (MSI).

8764, 13089 kHz, J3E. 0005, 1800. Maritime Safety Information (MSI).

2670 kHz, J3E. 0545, 1145, 1745, 2345. Local Notice to Mariners.

Ch. 22A, F3E. 0500, 0900, 1700, 2100. Local Notice to Mariners and weather.

518 kHz, F1B. 0040, 0440, 0840, 1240, 1640,

2040.

NAVTEX [O].

3703.5 Honolulu, HI (KVM70). 9982.5 kHz, F3C. 1132. Weather FAX*; 120/576.

11090 kHz, F3C. 0533, 1132, 1733. Weather FAX*; 120/576.

16135 kHz, F3C. 0533, 1733, 2320. Weather FAX*; 120/576.

23331.5 kHz, F3C. 2320. Weather FAX*; 120/576.

*NOTE: Broadcast schedule at 1132, 2320.

MAURITIUS

3710 Mauritius (3BM). 518 kHz, F1B. 0020, 0420, 0820, 1220, 1620, 2020.NAVTEX [C].

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5)

Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 64

3710.5 Port Louis (3BB). 4402 kHz, J3E. 0115, 0730, 1315, 1930. Weather.

4402 kHz, J3E. 0433, 1233, 1603. Local navigational warnings.

Ch. 14, F3E. 0205, 1405. Weather.

REUNION

3711 Reunion (COSRU) (MRCC). 2600 kHz, J3E. 0430, 1000, 1230. Weather in French.

2600 kHz, J3E. 0430, 1000. Local navigational warnings in French.

Ch. 79, F3E. 0315, 0330, 0345, 0400, 0545,

0600, 0615, 0630, 0900, 0915,

0930, 0945, 1100, 1115, 1130,

1145, 1400, 1415, 1430, 1445,

1600, 1615, 1630, 1645.

Local navigational warnings and weather in

French.

EGYPT - RED SEA

3713.2 Quseir. 518 kHz, F1B. 0330, 0730, 1130, 1530, 1930,

2330.

NAVTEX [V].

3713.4 Ismailia (Serapeum) (SUZ). 4209.5 kHz, F1B. 0750, 1150. NAVTEX [X].

518 kHz, F1B. 0350, 0750, 1150, 1550, 1950,

2350.

NAVTEX [X] (Red Sea and Gulf of Suez

broadcasts).

SAUDI ARABIA - RED SEA

3713.6 Jiddah. 1726 kHz, J3E. 0333, 0733, 1133, 1533, 1933,

2333.

Local navigational warnings.

1726 kHz, J3E. 0503, 0533, 1133, 1703, 1733,

2333.

Weather.

518 kHz, F1B. 0110, 0510, 0910, 1310, 1710, 2110.NAVTEX [H].

OMAN

3713.8 Muscat. 518 kHz, F1B. 0200, 0600, 1000, 1400, 1800,

2200.

NAVTEX [M].

QATAR

3713.9 Doha. 2768 kHz, J3E, Ch. 24, F3E. 0433, 0833, 1233, 1633. Local navigational warnings and weather.

2768 kHz, J3E, Ch. 24, F3E. 0503, 1003, 1603. Weather.

SAUDI ARABIA - PERSIAN GULF

LOCAL WARNINGS:

MENAS:

Original reports to Middle Eastern Navigational Service, P.O. Box 66, Manama, Bahrain.

3714.2 Dammam. 518 kHz, F1B. 0100, 0500, 0900, 1300, 1700,

2100.

NAVTEX [G].

IRAN

3715 Bandar Khomeyni (EQN). Ch. 18, F3E. 0530, 1230. Local navigational warnings and weather.

3715.1 Bushehr (EQM). Ch. 18, F3E. 0530, 1230. Local navigational warnings and weather.

518 kHz, F1B. 0000, 0400, 0800, 1200, 1600,

2000.

NAVTEX [A].

(1)

No. (2)Name (3)Frequency

(4)

Times (5)Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 65

3715.2 Bandar Abbas (EQI). 460, 8469 kHz, A1A. 0530, 1230. Local navigational warnings and weather.

Ch. 18, F3E. 0530, 1230. Local navigational warnings.

4210 kHz, F1B. 0730, 1430. Maritime Safety Information (MSI) (HF NBDP).

8416.5 kHz, F1B. 0330, 0530, 1230. Maritime Safety Information (MSI) (HF NBDP).

12579 kHz, F1B. 0830, 1030. Maritime Safety Information (MSI) (HF NBDP).

518 kHz, F1B. 0050, 0450, 0850, 1250, 1650, 2050.NAVTEX [F].

3715.3 Chah Bahar (EQJ). Ch. 18, F3E. 0530, 1230. Local navigational warnings and weather.

BAHRAIN

3716 Bahrain. 518 kHz, F1B. 0010, 0410, 0810, 1210, 1610,

2010.

NAVTEX [B].

PAKISTAN

LONG-RANGE WARNINGS:

NAVAREA IX:

Includes the waters of the Red Sea, Persian Gulf, Suez Canal, Gulf of Oman and the Arabian Sea from Somalia to the India-Pakistan frontier. Original reports to Area

Coordinator, NAVAREA IX, Hydrographer of the Pakistan Navy, Naval Headquarters, Karachi. The Middle East Navigational Aid Service is Subarea Coordinator.

LOCAL WARNINGS:

For the coast of Pakistan. Original reports to the Hydrographer of the Pakistan Navy.

3720 Karachi (ASK). 500 kHz, A2A. 0030, 0430, 1230, 2030. Local navigational warnings and weather.

466, 484, 13024 kHz, A1A,

500 kHz, A2A.

0830. Local navigational warnings and weather

(weather only on 484 kHz).

466, 484, 8694 kHz, A1A, 500

kHz, A2A.

1630. Local navigational warnings and weather

(weather only on 484 kHz).

500 kHz, A2A. Every hour +00m. Weather.

518 kHz, F1B. 0230, 0630, 1030, 1430, 1830, 2230.NAVTEX [P].

3721 Karachi Naval (AQP). 2457.5, 6390, 8490, 13011,

17093.6 kHz, A1A.

0400, 1200. NAVAREA IX.

2457.5, 6390, 8490, 13011,

17093.6 kHz, A1A.

0200, 0600, 1000, 1400, 1800,

2200.

Navigational warnings and weather.

INDIA

LONG-RANGE WARNINGS:

NAVAREA VIII:

Includes the waters of the Indian Ocean from 10°30′S on the African coast to 55°E, thence south to 30°S and east to 95°E. Original reports to NAVAREA VIII

Coordinator, Chief Hydrographer to the Government of India, Dehra Dun.

3722 Bombay Naval (VTG). 2072, 4268, 6467, 8634,

12808.5, 16938, 22378 kHz,

A1A.

0500, 0900, 1500. NAVAREA VIII.

2072, 4268, 6467, 8634,

12808.5, 16938, 22378 kHz,

A1A.

1215 (Sun.). NAVAREA VIII.

4268, 8634, 12808.5, 16938,

22378 kHz, A1A.

0900. Weather.

2072, 4268, 6467, 8634,

12808.5 kHz, A1A.

1500. Weather.

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5)

Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 66

3722.05 Bombay (VWB). 521, 8630, 12710 kHz, A1A. 0648, 1548. Local navigational warnings.

521, 8630, 12710 kHz, A1A. 0420, 0820, 1220, 1620, 2020,

2320.

Weather.

500 kHz, A2A, 8630, 12710

kHz, A1A.

0448, 0848, 1248, 1648, 2048,

2348.

Weather.

521 kHz, A1A. 0618, 0848, 1518, 1648. Weather.

500 kHz, A2A, 8630, 12710

kHz, A1A.

Every hour +00m. Weather.

518 kHz, F1B. 0100, 0500, 0900, 1300, 1700, 2100.NAVTEX [G].

3722.1 Vishakhapatnam (VWV). 474 kHz, A1A. 0548, 1548. Local navigational warnings.

474, 500 kHz, A1A. 0050, 0550, 0950, 1350, 1850,

2150.

Weather.

474 kHz, A1A. Every hour +00m. Weather.

3722.2 Vishakhapatnam Naval (VTP). 2295, 4238, 6418, 8646,

12840, 16695 kHz, A1A.

0500, 0900, 1500. NAVAREA VIII.

2295, 4238, 6418, 8646,

12840, 16695 kHz, A1A.

1215 (Sun.). NAVAREA VIII.

3723 Kandla (VWK). 440 kHz, A1A. 0648, 1548. Local navigational warnings.

440 kHz, A1A. 0420, 0820, 1220, 1620, 2020,

2320.

Weather.

440 kHz, A1A. Every hour +00m. Weather.

3725 Ratnagiri (VWZ). 420.5 kHz, A1A. 0648, 1548. Local navigational warnings.

420.5 kHz, A1A. 0420, 0820, 1220, 1620, 2020, 2320.Weather.

420.5 kHz, A1A. Every hour +00m. Weather.

3726 Goa (VWG). 417.5 kHz, A1A. 0648, 1548. Local navigational warnings.

417.5 kHz, A1A. 0420, 0820, 1220, 1620, 2020,

2320.

Weather.

417.5 kHz, A1A. Every hour +00m. Weather.

3727 Mangalore (VWL). 438 kHz, A1A. 0648, 1548. Local navigational warnings.

438 kHz, A1A. 0420, 0820, 1220, 1620, 2020, 2320.Weather.

438 kHz, A1A. Every hour +00m. Weather.

3728 Cochin (VWN). 460 kHz, A1A. 0648, 1548. Local navigational warnings.

460 kHz, A1A. 0420, 0820, 1220, 1620, 2020,

2320.

Weather.

460 kHz, A1A. Every hour +00m. Weather.

3728.1 Tuticorin (VWT). 487 kHz, A1A. 0648, 1548. Local navigational warnings.

487 kHz, A1A. 0050, 0550, 0950, 1350, 1850,

2150.

Weather.

487 kHz, A1A. Every hour +00m. Weather.

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5)

Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 67

3728.2 Madras (VWM). 515 kHz, A1A. 0548, 1548. Local navigational warnings.

515 kHz, A1A. 0050, 0550, 0950, 1350, 1850,

2150.

Weather.

500 kHz, A2A, 4301, 8674.4

kHz, A1A.

0050, 1350, 1850, 2150. Weather.

500 kHz, A2A, 8674.4,

12718.5 kHz, A1A.

0550, 0950. Weather.

500 kHz, A2A. Every hour +00m. Weather.

518 kHz, F1B. 0230, 0630, 1030, 1430, 1830, 2230.NAVTEX [P].

3728.3 Calcutta (VWC). 470, 8526 kHz, A1A. 0548. Local navigational warnings.

470, 4286 kHz, A1A. 1548. Local navigational warnings.

500 kHz, A2A, 8526 kHz, A1A. 0018, 0518, 0848, 1318, 1818,

2118.

Weather.

470 kHz, A1A. 0050, 0550, 0950, 1350, 1850,

2150.

Weather.

470 kHz, A1A. 0848, 0918, 1418, 1818. Weather.

4286 kHz, A1A. 1818. Weather.

500 kHz, A2A, 8526 kHz, A1A. Every hour +00m. Weather.

3729 Port Blair (VWP). 442 kHz, A1A. 0548, 1548. Local navigational warnings.

442 kHz, A1A. 0100, 0600, 1000, 1400, 1900, 2200.Weather.

442 kHz, A1A. Every hour +00m. Weather.

SRI LANKA

3730 Colombo (4PB). 482 kHz, A1A, A2A, 8473

kHz, A1A.

0600, 0900, 1330. Local navigational warnings.

482 kHz, A1A, A2A, 8473

kHz, A1A.

0530, 0600, 1300, 1330. Weather.

BANGLADESH

3731 Chittagong (S3D). 466, 484, 500 kHz, A1A. 0850, 1650. Local navigational warnings.

466, 484, 500, 8694, 13056

kHz, A1A, 2182 kHz, A3E.

0050, 0450, 0850, 1250, 1650,

2050.

Weather.

466, 484, 500, 8694, 13056

kHz, A1A, 2182 kHz, A3E.

Every hour +00m. Weather.

BURMA (MYANMAR)

3733 Rangoon (XYR). 460, 500, 8710 kHz, A1A, A2A. 0500, 0900, 1700. Local navigational warnings (weather at 0900,

1700).

460, 500, 8710 kHz, A1A, A2A. 0100, 0500, 1300, 2100. Weather.

460, 500, 8710 kHz, A1A, A2A. Every hour +00m. Weather.

MALAYSIA - PENINSULAR

3734 Pinang. 518 kHz, F1B. 0320, 0720, 1120, 1520, 1920, 2320.NAVTEX [U].

SINGAPORE

3735 Singapore. Ch. 09, F3E. 0100, 0300, 0500, 0700, 0900,

1100, 1300, 1500, 1700, 1900,

2100, 2300.

Local navigational warnings and weather.

518 kHz, F1B. 0020, 0420, 0820, 1220, 1620,

2020.

NAVTEX [C].

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5) Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 68

THAILAND

3736 Bangkok. 6765.1, 8743 kHz, J3E. 0000, 0300, 0600, 0900, 1200,

1500, 1800, 2100.

Weather.

518 kHz, F1B. 0050, 0450, 0850, 1250, 1650,

2050.

NAVTEX [F].

VIETNAM

3737 Hai Phong (XVG). 8470 kHz, A1A. 0618, 1018, 1418, 2018. Local navigational warnings.

8470 kHz, A1A. 0018, 1218. Weather.

8470 kHz, A1A. Every even hour +18m. Weather.

8294 kHz, J3E. 0100, 1300. Weather in Vietnamese.

8294 kHz, J3E. Every odd hour +00m. Weather in Vietnamese.

3737.5 Da Nang (XVT). 8294 kHz, J3E. 0030, 1230. Weather in Vietnamese.

518 kHz, F1B. 0140, 0540, 0940, 1340, 1740,

2140.

NAVTEX [K].

3738 Ho Chi Minh Ville (XVS). 8590 kHz, A1A. 0018, 0418, 0818, 1218. Local navigational warnings.

8590 kHz, A1A. 0048, 1148. Weather.

8590 kHz, A1A. Every odd hour +48m. Weather.

8294 kHz, J3E. 0200, 1200. Weather in Vietnamese.

8294 kHz, J3E. Every even hour +00m. Weather in Vietnamese.

518 kHz, F1B. 0350, 0750, 1150, 1550, 1950,

2350.

NAVTEX [X].

HONG KONG (CHINA)

3739 Hong Kong. 518 kHz, F1B. 0150, 0550, 0950, 1350, 1750,

2150.

NAVTEX [L].

CHINA

3740 Guangzhou (XSQ). 445, 4288, 6382, 8458, 12973

kHz, A1A.

0248, 0548, 0848, 1148, 1748,

2048, 2348.

Local navigational warnings.

445, 6382, 8458, 12973 kHz,

A1A.

0230, 0730. Local navigational warnings in Chinese.

445, 4288, 8458, 12973 kHz,

A1A.

1400. Local navigational warnings in Chinese.

6316, 8435, 16880, 22420

kHz, F1B.

0200, 0630. Local navigational warnings in Chinese.

4212, 8435, 12613, 16880

kHz, F1B.

1330. Local navigational warnings in Chinese

445, 6382, 8458, 12973 kHz,

A1A.

0700. Local navigational warnings.

445, 6382, 8458, 12973 kHz,

A1A.

0030. Weather.

445, 4288, 8458, 12973 kHz,

A1A.

1230. Weather.

445, 6382, 8458, 12973 kHz,

A1A.

0100. Weather in Chinese.

445, 4288, 8458, 12973 kHz,

A1A.

1300. Weather in Chinese.

445, 4288, 6382, 8458, 12973

kHz, A1A.

0248, 0448, 1048, 1448, 1648,

2048, 2248.

Weather.

518 kHz, F1B. 0210, 0610, 1010, 1410, 2210. NAVTEX [N].

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5) Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 69

3740.1 Sanya (XSI). 518 kHz, F1B. 0200, 0600, 1000, 1400, 2200. NAVTEX [M].

3740.2 Tianjin (XSV). 445, 8600 kHz, A1A. Every even hour +18m. Local navigational warnings.

445, 8600, 12969 kHz, A1A. 0600, 2200. Ice.

445, 4283, 8600, 12969 kHz,

A1A.

1300. Ice.

3740.3 Dalian (XSZ). 462 kHz, A1A, A2A, 6333.5,

8694 kHz, A1A.

0050, 1050. Weather.

518 kHz, F1B. 0250, 0650, 1050, 1450, 2250. NAVTEX [R].

3740.4 Fuzhou (XSL). 518 kHz, F1B. 0220, 0620, 1020, 1420, 2220. NAVTEX [O].

3741 Shanghai (XSG). 522.5, 4290, 6454, 8487,

12954, 17002.4 kHz, A1A.

0200. Local navigational warnings.

522.5, 4290, 6454, 8487,

12954, 17002.4 kHz, A1A.

0300, 0900. Weather.

458 kHz, A1A, A2A, 522.5,

4290, 6454, 8487, 12954 kHz,

A1A.

0000, 0300, 0500, 0900, 1200,

1500, 1800, 2100.

Weather.

518 kHz, F1B. 0240, 0640, 1040, 1440, 2240. NAVTEX [Q].

REPUBLIC OF KOREA

3742 Inchon (HLC). 2284 kHz, A3E. 0003. Local navigational warnings.

3742.5 Cheju (HLE). 2299, 2583 kHz, J3E. 0902, 1702. Local navigational warnings.

3743 Mokpo (HLM). 470 kHz, A2A. 0018, 0818. Local navigational warnings and weather.

3744 Kunsan (HLN). 484 kHz, A2A. 0018, 0818. Local navigational warnings and weather.

2507 kHz, A3E. 0403. Local navigational warnings.

3744.5 Pyonsan. 490 kHz, F1B. 0140, 0540, 0940, 1340, 1740,

2140.

NAVTEX [K] in Korean.

518 kHz, F1B. 0340, 0740, 1140, 1540, 1940,

2340.

NAVTEX [W].

3745 Kangnung (HLK). 476 kHz, A2A. 0018, 0818. Local navigational warnings and weather.

2836 kHz, J3E. 0903. Local navigational warnings.

3746 Busan (HLP). 434 kHz, A2A. 0018, 0818. Local navigational warnings and weather.

3746.5 Chukpyon. 490 kHz, F1B. 0130, 0530, 0930, 1330, 1730,

2130.

NAVTEX [J] in Korean.

518 kHz, F1B. 0330, 0730, 1130, 1530, 1930, 2330.NAVTEX [V].

3747 Ullung (HLU). 458 kHz, A2A. 0018, 0818. Local navigational warnings and weather.

3747.5 Yeosu (HLY). 447 kHz, A2A. 0018, 0818. Local navigational warnings and weather.

(1)

No. (2)Name (3)Frequency

(4)

Times (5)Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 70

RUSSIA - PACIFIC

LONG-RANGE WARNINGS:

NAVAREA XIII:

Includes the waters of the Sea of Okhotsk, North Pacific and Bering Sea north of 45°N and east to the International Date Line. Original reports to NAVAREA XIII

Coordinator, Chief, Head Department of Navigation and Oceanography, St. Petersburg.

NAVIP:

World-wide navigational warnings.

LOCAL WARNINGS:

PRIP.

3748 Vladivostok (UFL). 3165, 8595, 12729 kHz, F1B. 1100, 2300. NAVAREA XIII, local navigational warnings, and

weather.

3165, 8595, 12729 kHz, F1B. 1130, 2330. NAVAREA XIII, local navigational warnings, and

weather in Russian.

17175.2 kHz, F1B. 2330. NAVAREA XIII, local navigational warnings, and weather in Russian.

518 kHz, F1B 0000, 0400, 0800, 1200, 1600, 2000.NAVTEX [A].

3749.5 Petropavlovsk-Kamchatskiy

(UBE).

4323, 6360.5, 12603 kHz, F1B. 2200. NAVIP and NAVAREA XIII warnings in Russian.

518 kHz, F1B. 0020, 0420, 0820, 1220, 1620,

2020.

NAVTEX [C].

3750 Kholmsk. 518 kHz, F1B. 0010, 0410, 0810, 1210, 1610,

2010.

NAVTEX [B].

3751 Magadan. 2400 kHz, J3E. 0203, 1233. Weather in Russian.

2400 kHz, J3E. 1303. Local navigational warnings in Russian.

518 kHz, F1B. 0030, 0430, 0830, 1230, 1630,

2030.

NAVTEX [D].

3751.5 Okhotsk. 518 kHz, F1B. 0100, 0500, 0900, 1300, 1700,

2100.

NAVTEX [G].

JAPAN

LONG-RANGE WARNINGS:

NAVAREA XI:

Includes the waters of the western North Pacific from the Equator to 45°N, east to 180°. Original reports to NAVAREA XI Coordinator, Chief Hydrographer, Japan

Coast Guard, Tokyo.

Maritime Safety Information broadcasts--Storm warnings, weather messages and navigational warnings are announced by Japan Coast Guard (JCG) CRS on VHF Ch. 16, before being broadcast on the scheduled VHF channel number.

3753 Kushiro (JNX). Ch. 12, F3E. 0103, 0125, 0703, 0725. Local navigational warnings.

424 kHz, F1B. 0108, 0508, 0908, 1308, 1708,

2108.

NAVTEX [K] in Japanese.

518 kHz, F1B. 0140, 0540, 0940, 1340, 1740,

2140.

NAVTEX [K].

3754 Shiogama (JNN). Ch. 12, F3E. 0125, 0133, 0725, 0733. Local navigational warnings.

3756 Tokyo (JMH). 3622.5, 7305, 13597, 18220

kHz, F3C.

Continuous. Weather FAX*; 120/576.

3622.5, 7305, 13597, 18220

kHz, F3C.

0130 (Wed., Sat.), 1019 (Tue., Fri.). Ice FAX; 120/576.

*NOTE: Broadcast schedule at 0340.

3757 Yokohama (JGC). Ch. 12, F3E. 0120, 0720. Local navigational warnings.

424 kHz, F1B. 0034, 0434, 0834, 1234, 1634, 2034.NAVTEX [I] in Japanese.

518 kHz, F1B. 0120, 0520, 0920, 1320, 1720,

2120.

NAVTEX [I].

3760 Nagoya (JNT). Ch. 12, F3E. 0110, 0710. Local navigational warnings.

3764 Kobe (JGD). Ch. 12, F3E. 0133, 0733. Local navigational warnings.

(1)

No. (2)Name (3)Frequency

(4)

Times (5)Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 71

3766 Hiroshima (JNE). Ch. 12, F3E. 0115, 0715. Local navigational warnings.

3767 Kagoshima (JNJ). Ch. 12, F3E. 0120, 0720. Local navigational warnings.

3769 Ishigaki (JNG). Ch. 12, F3E. 0133, 0733. Local navigational warnings.

3772 Tanabe (JNH). Ch. 12, F3E. 0103, 0703. Local navigational warnings.

3772.2 Kochi (JNO). Ch. 12, F3E. 0125, 0725. Local navigational warnings.

3772.4 Moji (JNR). Ch. 12, F3E. 0103, 0703. Local navigational warnings.

424 kHz, F1B. 0017, 0417, 0817, 1217, 1617,

2017.

NAVTEX [H] in Japanese.

518 kHz, F1B. 0110, 0510, 0910, 1310, 1710,

2110.

NAVTEX [H].

3772.5 Sasebo (JNK). Ch. 12, F3E. 0115, 0715. Local navigational warnings.

3772.8 Niigata (JNV). Ch. 12, F3E. 0115, 0715. Local navigational warnings.

3773 Maizuru (JNC). Ch. 12, F3E. 0120, 0720. Local navigational warnings.

3775 Otaru (JNL). Ch. 12, F3E. 0110, 0133, 0710, 0733. Local navigational warnings.

424 kHz, F1B. 0051, 0451, 0851, 1251, 1651,

2051.

NAVTEX [J] in Japanese.

518 kHz, F1B. 0130, 0530, 0930, 1330, 1730,

2130.

NAVTEX [J].

3777 Naha (JNB). Ch. 12, F3E. 0110, 0710. Local navigational warnings.

424 kHz, F1B. 0000, 0400, 0800, 1200, 1600, 2000.NAVTEX [G] in Japanese.

518 kHz, F1B. 0100, 0500, 0900, 1300, 1700,

2100.

NAVTEX [G].

TAIWAN

3785 Chi-lung (XSX). 420, 8445, 8506 kHz, A1A,

8428* kHz, F1B.

0430, 1030, 1630, 2230. Weather.

438 kHz, A1A. Every even hour +18m, +48m. Local navigational warnings.

490, 4209.5 kHz, F1B. 0330, 0730, 1130, 1530, 1930,

2330.

NAVTEX [V] in Chinese.

490, 4209.5 kHz, F1B. 0350, 0750, 1150, 1550, 1950, 2350.NAVTEX [X] in Chinese.

518, 4209.5 kHz, F1B. 0230, 0630, 1030, 1430, 1830,

2230.

NAVTEX [P].

*NOTE: Broadcast announced through DSC 8414.5 kHz.

3787 Hua-lien (XSY). 523, 8546, 8700 kHz, A1A. Every even hour +18m, +48m. Local navigational warnings.

523, 8546, 8700 kHz, A1A. 0530, 1130, 1730, 2330. Weather.

3790 Kao-Hsiung (XSW). 448, 8582, 8632 kHz, A1A. Every odd hour +18m, +48m. Local navigational warnings.

448, 8582, 8632 kHz, A1A. 0500, 1100, 1700, 2300. Weather.

3790.5 Tai-Chung (XSW2). 476, 8511 kHz, A1A. Every even hour +18m, +48m. Local navigational warnings.

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5)

Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 72

PHILIPPINES

3792 Polo (DZCA). 1170 kHz, A3E. 0030, 0930. Local navigational warnings.

3792.5 Caloocan (DWWW). 630 kHz, A3E. 0900, 2100. Local navigational warnings.

3793 Malolos (DZRP). 918 kHz, A3E. 0000, 1200, 1400, 2000. Local navigational warnings.

3794 Valenzuela (DZFM). 738 kHz, A3E. 0900, 2100. Local navigational warnings.

3795 Manila (DZS-4). 8776.8 kHz, A3E. 0030, 0330, 0630, 0930, 1230. Local navigational warnings and weather.

Ch. 09, 16, 20, F3E. 0030, 0330, 0630, 0930, 1230. Weather.

3795.5 Mandaluyong (DWAD). 1098 kHz, A3E. 0900, 2100. Local navigational warnings.

3796 Lucena (DZLT). 1188 kHz, A3E. 1030, 2230. Local navigational warnings.

3797 Laoag (DZJC). 900 kHz, A3E. 0900, 2100. Local navigational warnings.

3798 Puerto Princesa (DYPR). 783 kHz, A3E. 0900, 2100. Local navigational warnings.

3799 Davao (DXMC). 819 kHz, A3E. 1030, 2230. Local navigational warnings.

3801 Iloilo (DYRP). 1017 kHz, A3E. 1030, 2230. Local navigational warnings.

3802 Daet (DZMD). 1161 kHz, A3E. 1030, 2230. Local navigational warnings.

MALAYSIA - SABAH

3803 Sandakan. 518 kHz, F1B. 0300, 0700, 1100, 1500, 1900, 2300.NAVTEX [S].

MALAYSIA - SARAWAK

3805 Miri. 518 kHz, F1B. 0310, 0710, 1110, 1510, 1910,

2310.

NAVTEX [T].

INDONESIA - SUMATERA

3816 Dumai (PKP). 448, 500 kHz, A1A.. Continuous. Local navigational warnings.

6337 kHz, A1A. 0400, 0800, 1200. Local navigational warnings.

8457 kHz, A1A. 0100, 0600, 1000, 1300. Local navigational warnings.

12682.5 kHz, A1A. 0230, 0700. Local navigational warnings.

17184.8 kHz, A1A. 0500, 0900. Local navigational warnings.

2182, 3180, 6215.5, 6515.7

kHz, R3E.

Continuous. Local navigational warnings.

8765.4 kHz, R3E. 0100, 0800. Local navigational warnings.

13125.6 kHz, R3E. 0400, 1000. Local navigational warnings.

(1)

No. (2)Name (3)Frequency

(4)

Times (5)Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 73

3817 Belawan (PKB). 474, 500 kHz, A1A. Continuous. Local navigational warnings.

4295 kHz, A1A. 0100, 0400, 0700, 1500. Local navigational warnings.

8686 kHz, A1A. 0300, 0600, 0900, 1230. Local navigational warnings.

12970.5 kHz, A1A. 0000, 0600. Local navigational warnings.

16861.7 kHz, A1A. 0200, 1100. Local navigational warnings.

2182, 3180, 6215.5 kHz, R3E. Continuous. Local navigational warnings.

6515.7 kHz, R3E. 0730. Local navigational warnings.

8746.8 kHz, R3E. 0300, 0930. Local navigational warnings.

3819 Palembang (PKC). 448, 500 kHz, A1A. 0000. Local navigational warnings.

6491.5 kHz, A1A. 0000, 0500, 0800, 1230. Local navigational warnings.

8437 kHz, A1A. 0100, 0500, 0900, 1130. Local navigational warnings.

2182, 2690 kHz, R3E. 0230, 0430, 0700, 1200. Local navigational warnings.

6215.5 kHz, R3E. 0100, 0500, 0900, 1300. Local navigational warnings.

8808.8 kHz, R3E. 0200, 0600, 1000. Local navigational warnings.

INDONESIA - JAVA

3820 Jakarta (PKX). 470, 500 kHz, A1A. Continuous. Local navigational warnings.

8542, 12970.5 kHz, A1A. 0200, 1000, 1800. Local navigational warnings.

16861.7 kHz, A1A. 0400, 1200, 2000. Local navigational warnings.

22431 kHz, A1A. 0000, 0600, 1400, 2200. Local navigational warnings.

2182, 2690, 6215.5, 6506.4,

6218.6 kHz, R3E.

Continuous. Local navigational warnings.

8753, 13128.7 kHz, R3E. 0000. Local navigational warnings.

22698.3 kHz, R3E. 2000. Local navigational warnings.

8542, 12970.5 kHz, A1A,

2690 kHz, R3E.

1100. Weather.

518 kHz, F1B. 0040, 0440, 0840, 1240, 1640,

2040.

NAVTEX [E].

3824 Surabaya (PKD). 430, 500 kHz, A1A. Continuous. Local navigational warnings.

4238 kHz, A1A. 0230. Local navigational warnings.

8461 kHz, A1A. 0200, 0730. Local navigational warnings.

12704.5 kHz, A1A. 0000, 1100. Local navigational warnings.

16861.7 kHz, A1A. 0100, 1000. Local navigational warnings.

2182 kHz, R3E. Continuous. Local navigational warnings.

4379.5, 6215.5 kHz, R3E. 0000. Local navigational warnings.

8796.4 kHz, R3E. 0100, 0630, 0900. Local navigational warnings.

13134.9 kHz, R3E. 0100, 0500, 1000. Local navigational warnings.

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5) Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 74

INDONESIA - SULAWESI

3830 Makasar (PKF). 465, 500 kHz, A1A. Continuous. Local navigational warnings.

4295 kHz, A1A. 0200, 0900. Local navigational warnings.

8686 kHz, A1A. 0100, 0400, 0630, 1030, 1200. Local navigational warnings.

12682.5 kHz, A1A. 0430, 1000, 1230. Local navigational warnings.

4397.7 kHz, R3E. 0030, 0300. Local navigational warnings.

6215.5 kHz, R3E. 0330, 1100. Local navigational warnings.

8802.6 kHz, R3E. 0000, 0600. Local navigational warnings.

13100.8 kHz, R3E. 0730, 1330. Local navigational warnings.

518 kHz, F1B. 0030, 0430, 0830, 1230, 1630, 2030.NAVTEX [D].

3832 Bitung (PKM). 438, 500 kHz, A1A. Continuous. Local navigational warnings.

6428.5 kHz, A1A. 0600, 1100. Local navigational warnings.

8694 kHz, A1A. 0100, 0500, 0900, 1300. Local navigational warnings.

12704.5 kHz, A1A. 0200, 1000, 1400. Local navigational warnings.

2182, 2690 kHz, R3E. 0000, 0400, 0800, 1200, 1400. Local navigational warnings.

2182 kHz, R3E. 1000. Local navigational warnings.

6215.5 kHz, R3E. 0100, 0500, 0900, 2000. Local navigational warnings.

8808.8 kHz, R3E. 0230, 0700, 1100. Local navigational warnings.

INDONESIA - MOLUCCAS

3836 Amboina (PKE). 470, 500 kHz, A1A. Continuous. Local navigational warnings.

8473 kHz, A1A. 0200, 0900. Local navigational warnings.

12682.5 kHz, A1A. 0000, 0800. Local navigational warnings.

17184.8 kHz, A1A. 0600, 1200. Local navigational warnings.

2182, 2690 kHz, R3E. 0000. Local navigational warnings.

6215 kHz, R3E. 0700, 1200. Local navigational warnings.

8794 kHz, R3E. 0300, 2300. Local navigational warnings.

518 kHz, F1B. 0010, 0410, 0810, 1210, 1610, 2010.NAVTEX [B].

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5)

Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 75

INDONESIA - IRIAN JAYA

3840 Jayapura (PNK). 465, 500 kHz, A1A. 2200, 0000 (Mon.-Sat.), 0000,

0700 (Sun., hol.).

Local navigational warnings.

8694 kHz, A1A. 0000, 0300 (Mon.-Sat.), 0000,

0700 (Sun., hol.).

Local navigational warnings.

12682.5 kHz, A1A. 0100, 0530, 0900 (Mon.-Sat.),

0100, 0900 (Sun., hol.).

Local navigational warnings.

17074.4 kHz, A1A. 0200, 0700 (Mon.-Sat.), 0200

(Sun., hol.).

Local navigational warnings.

2182 kHz, R3E. 2200, 0000. Local navigational warnings.

3180 kHz, R3E. 2200, 0000 (Mon.-Sat.), 0200

(Sun., hol.).

Local navigational warnings.

6215.5 kHz, R3E. 2200 (Mon.-Sat.), 2300, 0700

(Sun., hol.).

Local navigational warnings.

6227 kHz, R3E. 2200, 0000, 0700 (Mon.-Sat.),

0000, 0700, 0900 (Sun., hol.).

Local navigational warnings.

6510 kHz, R3E. 2200, 0000, 0700. Local navigational warnings.

8800 kHz, R3E. 0100, 0400, 0700, 1000

(Mon.-Sat.), 0200, 0800 (Sun.,

hol.).

Local navigational warnings.

13110 kHz, R3E. 0000, 0300, 0600, 0900. Local navigational warnings.

518 kHz, F1B. 0000, 0400, 0800, 1200, 1600,

2000.

NAVTEX [A].

PAPUA NEW GUINEA

3866 Port Moresby (P2M). 484 kHz, A2A, 6351.5, 13042

kHz, A1A.

0100, 0900. Local navigational warnings and weather.

4407, 6515.7 kHz, J3E. 0603, 2203. Local navigational warnings and weather.

484 kHz, A2A, 6351.5, 13042

kHz, A1A.

Every odd hour +00m. Weather.

4407, 6515.7 kHz, J3E. Every even hour +03m. Weather.

AUSTRALIA

LONG-RANGE WARNINGS:

NAVAREA X:

Includes the waters surrounding Australia and the Solomon Islands south to Antarctica bound on the west by 80°E and on the east by 170°E south to the Tasman Sea and 160°E south to Antarctica. Original reports to RCC Australia, through any Australian Coast Radio Station (CRS).

LOCAL WARNINGS:

AUSCOAST:

Original reports to RCC Australia.

3876 Cairns. 8176 kHz, J3E. 1257, 2357. Maritime Safety Information (MSI).

Ch. 81, F3E. 0145, 0345, 0545, 0745, 1945,

2145, 2345.

Weather.

3876.5 Gladstone. 8176 kHz, J3E. 1157, 2257. Maritime Safety Information (MSI).

3877 Penta Comstat, Firefly (VZX). 4483, 6522, 8713 kHz, J3E. 0625, 2125. Weather.

6522, 8713 kHz, J3E. 0635, 2135. Local navigational warnings and weather.

8713, 13176 kHz, J3E. 0700, 2200. Weather.

8713, 13176, 17365, 22822

kHz, J3E.

0700, 2200. NAVAREA X warnings.

3882 Sydney. 8176 kHz, J3E. 0057, 1357. Maritime Safety Information (MSI).

Ch. 67, F3E. 0733, 2133. Local navigational warnings and weather.

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5)

Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 76

3883 Melbourne. 8176 kHz, J3E. 0257, 2157. Maritime Safety Information (MSI).

Ch. 67, F3E. 0448, 1048, 2248. Local navigational warnings and weather.

3884 Hobart (VMT-232). 2524, 4620 kHz, J3E, Ch. 67,

68, F3E.

0345, 0903, 2145. Weather.

8176 kHz, J3E, Ch. 67, 68,

F3E.

0557. Maritime Safety Information (MSI).

Ch. 82, F3E. 0803, 2233. Weather.

3885 Adelaide. 8176 kHz, J3E. 0357, 0757. Maritime Safety Information (MSI).

3886 Perth. 8176 kHz, J3E. 0657, 1057. Maritime Safety Information (MSI).

Ch. 16, 67, F3E. 1118, 2318. Local navigational warnings and weather.

3892 Port Hedland. 8176 kHz, J3E. 0457, 0857. Maritime Safety Information (MSI).

3900 Darwin. 8176 kHz, J3E. 0157, 0957. Maritime Safety Information (MSI).

Ch. 67, F3E. 0833, 2233. Weather.

3901 Charleville (VMC). 4426, 8176, 12365, 16546

kHz, J3E.

Every hour +00m (2100-0800),

0030, 0130, 0230, 0330, 0430,

0530, 0630, 0730, 2130, 2230,

2330.

Weather.

2201, 6507, 8176, 12365 kHz,

J3E.

Every hour +00m (0800-2100),

0830, 0930, 1030, 1130, 1230,

1330, 1430, 1530, 1630, 1730,

1830, 1930, 2030.

Weather.

2628, 5100, 11030, 13920

kHz, F3C.

0900-1900. Weather FAX*; 120/576.

5100, 11030, 13920, 20469

kHz, F3C.

1900-0900. Weather FAX*; 120/576.

*NOTE: Broadcast schedule at 0015-0045, 1215-1245.

3902 Wiluna (VMW). 4149, 8113, 12362, 16528

kHz, J3E.

Every hour +00m (2300-1000),

0030, 0130, 0230, 0330, 0430,

0530, 0630, 0730, 0830, 0930,

2330.

Weather.

2056, 6230, 8113, 12362 kHz,

J3E.

Every hour +00m (1000-2300),

1030, 1130, 1230, 1330, 1430,

1530, 1630, 1730, 1830, 1930,

2030, 2130, 2230.

Weather.

5755, 7535, 10555, 15615

kHz, F3C.

1100-2100. Weather FAX*; 120/576.

7535, 10555, 15615, 18060

kHz, F3C.

2100-1100. Weather FAX*; 120/576.

*NOTE: Broadcast schedule at 0015-0045, 1215-1245.

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5) Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 77

NEW ZEALAND

LONG-RANGE WARNINGS:

NAVAREA XIV:

Includes the waters of the South Pacific from the Equator to Antarctica bound on the west by 170°E south to the Tasman Sea and 160°E south to Antarctica and

bound on the east by 120°W. Original reports to the nearest coast radio station or by mail to NAVAREA XIV Coordinator, Hydrographer, RNZN, Auckland.

3904 Taupo Maritime Radio (ZLM). 2207, 4146, 6224 kHz, J3E. 0133, 0533, 1333, 1733 (1 hr.

earlier when daylight savings in

effect).

Local navigational warnings and weather.

6224, 12356 kHz, J3E. 0303, 0903, 1503, 2103 (1 hr.

earlier when daylight savings in

effect).

NAVAREA XIV and weather.

8297, 16531 kHz, J3E. 0333, 0933, 1533, 2133 (1 hr.

earlier when daylight savings in

effect).

NAVAREA XIV and weather.

2207, 4146, 6224 kHz, J3E. 0803, 1203, 2003 (1 hr. earlier

when daylight savings in effect).

Weather.

Ch. 67, 68, 71, F3E. 0533, 0733, 1033, 1333, 1733,

2133 (1 hr. earlier when daylight

savings in effect).

Local navigational warnings and weather.

GUAM

3913 Guam (NRV)

U.S. Coast Guard.

12579, 16806.5, 22376 kHz,

F1B.

0230, 0500, 0900, 1500, 1900,

2315.

Maritime Safety Information (MSI) (HF NBDP)

(HYDROPAC at 0230, 0900).

2670 kHz, J3E. 0705, 2205. Local Notice to Mariners and weather.

13089 kHz, J3E. 0330, 2130. Maritime Safety Information (MSI).

6501 kHz, J3E. 0930, 1530. Maritime Safety Information (MSI).

Ch. 22A, F3E. 0900, 2100. Local Notice to Mariners and weather.

518 kHz, F1B. 0100, 0500, 0900, 1300, 1700,

2100.

NAVTEX [V].

NEW CALEDONIA

3940 Noumea (FJP). Ch. 23, 24, 25, 26, 28, 82, 83,

87, F3E.

Every hour +03m, +33m. Weather in French and in English on request.

Ch. 23, 24, 25, 26, 28, 82, 83,

87, F3E.

0415, 0730, 1930, 2230. Local navigational warnings and weather in

French and in English on request.

FRENCH POLYNESIA

3943 Mahina. 2620, 8805.7 kHz, J3E. 0030, 0230, 1845, 2100. Local navigational warnings.

2620 kHz, J3E. 0700, 2200. Weather in French.

8805.7 kHz, J3E. 0640, 2100. Weather in French.

FIJI

3945 Suva (3DP). 4372, 8746 kHz, J3E. 0003, 0403, 0803, 2003. Local navigational warnings and weather.

4372, 8746 kHz, J3E. Every hour +03m. Weather.

AMERICAN SAMOA

3948 Pago Pago (KUQ). 8585 kHz, A1A. 0000, 0400, 1600, 2000. Local navigational warnings (weather at 0400,

2000).

6361 kHz, A1A. 0800. Local navigational warnings.

TONGA

3949 Nukualofa (A3A). 2080, 6230 kHz, J3E, Ch. 26,

F3E.

0135, 0835, 2035. Local navigational warnings.

2080, 6230 kHz, J3E, Ch. 26,

F3E.

0134, 0834, 2034. Weather.

(1)

No.

(2)

Name

(3)

Frequency

(4)

Times

(5)

Nature of Broadcast
RADIO NAVIGATIONAL WARNINGS

3 - 78

300M. WorldWide Navigational Warning Service

NAVAREA Coordinators

NAVAREA I (United Kingdom)

The Hydrographer of the Navy

United Kingdom Hydrographic Office

Admiralty Way

Taunton, Somerset TA1 2DN, United Kingdom

Phone: 44 1823 723316, Fax: 44 1823 322352

E-mail: rnwuser@ukhornw.u-net.com

Website: http://www.hydro.gov.uk

Baltic Sea Sub-Area NAVAREA I (Sweden)

Swedish Maritime Administration

BALTICO

S-601 78 Norrkoping, Sweden

Phone: 46 11 19 10 45

Fax: 46 11 238945 (07-15 UTC)

46 8 6017969 (15-07 UTC)

Telex: 64320 BALTICO S (07-15 UTC)

16060 STORDO S (15-07 UTC)

E-mail: ntm.baltico@sjofartsverket.se (07-15)

baltico@stockholmradio.se (15-07)

Website: http://www.sjofartsverket.se

NAVAREA II (France)

Navarea II Co-ordinator

EPSHOM BREST

13 Rue du Chatellier

BP 30316

29603 Brest Cedex, France

Phone: 33 2 98221667, Fax: 33 2 98221432

E-mail: coord.navarea2@shom.fr

Website: http://www.shom.fr

NAVAREA III (Spain)

Mares Mediterraneo y Negro

Instituto Hidrográfico de la Marina

Plaza San Severiano, 3

11007 Cadiz, Spain

Phone: 34 956 599 409 (HJ)

34 956 599 409 (H24)

Fax: 34 956 599 396

Telex: 76147 MEDCO E

76102 MARIH E

E-mail: ihmesp@retemail.es (Not for Warnings)

Website: none

NAVAREA IV and XII (United States)

National Geospatial-Intelligence Agency

Attn: PVM (Mail Stop D-44)

4600 Sangamore Road

Bethesda, Maryland 20816-5003

Phone: (1) 301-227-3147, Fax: (1) 301-227-3731

Telex: 898334/EASYLINK MBS 62554950

E-mail: navsafety@nga.mil

Website: http://pollux.nss.nga.mil

NAVAREA V (Brazil)

Diretoria de Hidrografia e Navegaçao

Rua Barao de Jaceguay S/N ̊

Ponta da Armaçao

24048-900 Niteroi - RJ, Brazil

Phone: 55 21 2620 0073/2613 8210

Fax: 55 21 2620 7291/2613 8210

E-mail: 331@chm.mar.mil.br

Website: http://www.dhn.mar.mil.br

NAVAREA VI (Argentina)

Servicio de Hidrografia Naval

Avenida Montes de Oca 2124

C 1270ABV Buenos Aires, Argentina

Phone: 54 11 4301 2249/0061/0067

Fax: 54 11 4303 2299/4301 2249

E-mail: snautica@hidro.gov.ar

Website: http://www.hidro.gov.ar

NAVAREA VII (Republic of South Africa)

Hydrographic Office

Private Bag X1, Tokai

7966 Cape Town, South Africa

Phone: 27 21 787 2445/2444, Fax: 27 21 787 2228

E-mail: hydrosan@iafrica.com

Website: http://www.sanho.co.za

NAVAREA VIII (India)

National Hydrographic Office

Post Box No. 75

107-A Rajpur Road

Dehradun 248001, India

Phone: 91 135 2747360/65, Fax: 91 135 2748373

E-mail: nho@sancharnet.in

Website: http://www.hydrobharat.org

NAVAREA IX (Pakistan)

Hydrographic Department

Naval Headquarters

11, Liaquat Barracks

Karachi 75530 Pakistan

Phone: 92 21 48506151/52

Fax: 92 21 9201623/9203246/9203258

Telex: 20774 HDRO PK

E-mail: hydropk@bol.edu.pk

Website: http://www.paknavy.gov.pk/hydro/

NAVAREA X (Australia)

Australian Search and Rescue (AusSAR)

Australian Maritime Safety Authority (AMSA)

GPO Box 2181

Canberra Act 2601

Australia

Phone: 61 2 6230 6811, Fax: 61 2 6230 6868

E-mail: rccaus@amsa.gov.au

Website: http://www.amsa.gov.au
RADIO NAVIGATIONAL WARNINGS

3 - 79

NAVAREA XI (Japan)

Notices to Mariners Division

Hydrographic and Oceanographic Department

Japan Coast Guard

3-1, Tsukiji, 5-chome

Chuo-ku, Tokyo 104-0045 Japan

Phone: 81 3 3541 3812/3817, Fax: 81 3 3542 7174

Telex: 2522222 JAHYD J

E-mail: tuho@jodc.go.jp

Website: http://www1.kaiho.mlit.go.jp/jhd-E.html

NAVAREA XIII (Russian Federation)

Department of Navigation and Oceanography

8, 11 Liniya, B-34

Saint Petersburg 199034, Russia

Phone: 7 812 277 1511, Fax: 7 812 323 7548

Telex: 121531 NAVIO RU

E-mail: gunio@homepage.ru

Website: none

NAVAREA XIV (New Zealand)

NZDF Joint Geospatial Support Facility

HMNZ Naval Base

Private Bag 32901

Devonport

Auckland 9, New Zealand

Phone: 64 9 445 5644, Fax: 64 9 445 5589

E-mail: brian.twyman@nzdf.mil.nz

Website: http://www.hydro.linz.govt.nz

NAVAREA XV (Chile)

Director del Servicio Hidrográfico y Oceanográfico de la

Armada de Chile

Casilla 324

Valparaiso, Chile

Phone: 56 32 266666, Fax: 56 32 266542

E-mail: shoa@shoa.cl

Website: http://www.shoa.cl

NAVAREA XVI (Peru)

Dirección de Hidrografia y Navegación de la Marina

Avenida Gamarra No. 500

Chucuito, Callao 1, Peru

Phone: 51 1 465 8312/429 6019/429 9063

Fax: 51 1 465 2995

E-mail: dihidronav@dhn.mil.pe

Website: http://www.dhn.mil.pe/

Chairman

IHO Commission on Promulgation of Radio

 Navigational Warnings

4 quai Antoine 1er

B.P. 445

MC 98011 MONACO CEDEX

Principality of Monaco

Telephone: 337-93-10-81-00

Fax: 337-93-10-81-40

Telex: 479164 MC INHORG

E-mail: info@ihb.mc

Website: http://www.iho.shom.fr

4 - 1

CHAPTER 4

DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

PART I

400A. General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

400B. Obligations and Responsibilities of U.S. Vessels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12

400C. Reporting Navigational Safety Information to Shore Establishments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14

400D. Assistance by SAR Aircraft and Helicopters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14

400E. Reports of Hostile Activities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15

400F. Emergency Position Indicating Radio Beacons (EPIRBs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18

400G. Global Maritime Distress and Safety System (GMDSS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-28

400H. The Inmarsat System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-30

400I. The SafetyNET System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-34

400J. Inmarsat-C SES Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-41

400K. Digital Selective Calling (DSC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-41

400L. Use of GMDSS Equipment for Routine Telecommunications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-47

400M. Instructions for Canceling Inadvertent Distress Alerts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-48

List of Operational VHF DSC Coast Stations for Sea Areas A1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-55

List of Operational MF DSC COAST Stations for Sea Areas A2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-82

List of Operational HF DSC COAST Stations for Sea Areas A3 and A4. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-91

PART II

410A. Requests for U.S. Navy Assistance in Emergency Situations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-94

APPENDIX A Ocean Areas and Command Centers/Communications Facilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-96

APPENDIX B High Frequencies Guarded by Air Force, Navy, Coast Guard,

and Commercial Stations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-98

List of Inmarsat Coast Earth Stations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-107

List of Rescue Coordination Centers using Ship Earth Stations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-109

4 - 3

CHAPTER 4

DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

PART I

400A. General

The transition period for implementation of the Global

Maritime Distress and Safety System (GMDSS) began on

1 February 1992 and continued to 1 February 1999. This

event marked the most important change in maritime safety

since the advent of radio in 1899. The proven benefits of

satellite communications (high reliability, simple

operation, and multi-modal capacities) are the cornerstone

of this system, which relies heavily on automation and the

extensive use of Inmarsat satellites. The result will be a

total transformation of the existing maritime distress

communications system. For further information on

GMDSS see sec. 400G.

Regulations concerning distress, emergency, and safety

traffic are contained in the Radio Regulations of the

International Telecommunication Union (ITU), Geneva.

Pertinent information is extracted below in condensed

form from the 2001 edition.

ARTICLE 30, GENERAL PROVISIONS:

Section I - Introduction: This Chapter contains the

provisions for the operational use of the Global Maritime

Distress and Safety System (GMDSS), which is fully

defined in the International Convention for the Safety of

Life at Sea (SOLAS), 1974, as amended. Distress, urgency

and safety transmissions may also be made, using Morse

telegraphy or radiotelephony techniques, in accordance

with the provisions of Radio Regulations for distress and

safety communications for non-GMDSS vessels

(Appendix 13), and relevant ITU-R Recommendations.

No provision of these Regulations prevents the use by a

mobile station or a mobile earth station in distress of any

means at its disposal to attract attention, make known its

position, and obtain help.

No provision of these Regulations prevents the use by

stations on board aircraft, ships engaged in search and

rescue (SAR) operations, land stations, or coast earth

stations, in exceptional circumstances, of any means at

their disposal to assist a mobile station or a mobile earth

station in distress.

Section II - Maritime provisions: The provisions

specified in this Chapter are obligatory in the maritime

mobile service and the maritime mobile-satellite service

for all stations using the frequencies and techniques

prescribed for the functions set out herein. However,

stations of the maritime mobile service, when fitted with

equipment used by stations operating in conformity with

Radio Regulations for distress and safety communications

for non-GMDSS vessels (Appendix 13), shall comply with

the appropriate provisions of those Regulations.

The International Convention for the Safety of Life at

Sea (SOLAS), 1974 as amended, prescribes which ships

and which of their survival craft shall be provided with

radio equipment, and which ships shall carry portable radio

equipment for use in survival craft. It also prescribes the

requirements which shall be met by such equipment.

Ship earth stations located at RCCs may be authorized

by an administration to communicate for distress and

safety purposes with any other station using bands

allocated to the maritime mobile-satellite service, when

special circumstances make it essential, notwithstanding

the methods of working provided for in these Regulations.

Mobile stations of the maritime mobile service may

communicate, for safety purposes, with stations of the

aeronautical mobile service. Such communications shall

normally be made on the frequencies authorized, and under

the conditions specified in the Radio Regulations.

ARTICLE 31, FREQUENCIES FOR THE GLOBAL

MARITIME DISTRESS AND SAFETY SYSTEM

(GMDSS):

Section I - General: The frequencies to be used for the

transmission of distress and safety information under the

GMDSS are shown in the following tables. In addition to

the frequencies listed, coast stations should use other

appropriate frequencies for the transmission of safety

messages.

Any emission causing harmful interference to distress

and safety communications on any of the discrete

frequencies identified in the following tables is prohibited.

The number and duration of test transmissions shall be

kept to a minimum on the frequencies identified below;

they should be coordinated with a competent authority, as

necessary, and, wherever practicable, be carried out on

artificial antennas or with reduced power. However, testing

on the distress and safety calling frequencies should be

avoided, but where this is unavoidable, it should be

indicated that these are test transmissions.

Before transmitting for other than distress purposes on

any of the frequencies identified below for distress and

safety, a station shall, where practicable, listen on the

frequency concerned to make sure that no distress

transmission is being sent.
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 4

Table of Frequencies below 30 MHz

Frequency

(MHz)

Description

of usage

Notes

490 MSI Used only for maritime safety information (MSI) in a national language through the

international NAVTEX system.

518 MSI Used only for MSI in the English language by the international NAVTEX system.

*2174.5 NBDP Used only for distress and safety communications (traffic) using NBDP telegraphy.

*2182 RT A carrier frequency used for distress and safety communications (traffic) by RT.

2182 kHz uses class of emission J3E.

*2187.5 DSC Used only for distress and safety calls using digital selective calling in accordance with the

Radio Regulations.

3023 AERO-SAR An aeronautical carrier (reference) frequency which may be used for intercommunication

between mobile stations engaged in coordinated SAR operations, and for communication

between these stations and participating land stations.

*4125 RT A ship station carrier frequency for calling on RT.

4125 kHz is authorized for common use by coast and ship stations for SSB RT on a

simplex basis for call and reply purposes, provided the peak power does not exceed 1 kW.

The use of this frequency for working purposes is not permitted.

4125 kHz is authorized for common use by coast and ship stations for SSB RT on a

simplex basis for distress and safety traffic.

In the United States, 4125 kHz is authorized for common use by coast and ship stations for

SSB RT on a simplex basis, provided the peak power does not exceed 1 kW.

Aircraft stations may use this frequency to communicate with stations of the maritime

mobile service for distress and safety purposes, including SAR.

*4177.5 NBDP Used only for distress and safety communications (traffic) using NBDP telegraphy.

*4207.5 DSC Used only for distress and safety calls using digital selective calling in accordance with the

Radio Regulations.

4209.5 MSI Used only for NAVTEX-type transmissions.

4210 MSI-HF Used only for the transmission of high seas MSI by coast stations to ships, by means of

NBDP telegraphy, in the maritime mobile service.

5680 AERO-SAR An aeronautical carrier (reference) frequency which may be used for intercommunication

between mobile stations engaged in coordinated SAR operations, and for communication

between these stations and participating land stations.

*6215 RT A ship station carrier frequency for calling on RT.

6215 kHz is authorized for common use by coast and ship stations for SSB RT on a

simplex basis for call and reply purposes, provided the peak power does not exceed 1 kW.

The use of this frequency for working purposes is not permitted.

6215 kHz is authorized for common use by coast and ship stations for SSB RT on a

simplex basis for distress and safety traffic.

Aircraft stations may use this frequency to communicate with stations of the maritime

mobile service for distress and safety purposes, including SAR.

*6268 NBDP Used only for distress and safety communications (traffic) using NBDP telegraphy.

Note: Except as provided in these Regulations, any emission capable of causing harmful interference to distress, alarm,

urgency or safety communications on the frequencies denoted by an asterisk (*) is prohibited.
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 5

*6312 DSC Used only for distress and safety calls using digital selective calling in accordance with the

Radio Regulations.

6314 MSI-HF Used only for the transmission of high seas MSI by coast stations to ships, by means of

NBDP telegraphy, in the maritime mobile service.

*8291 RT Used only for distress and safety communications (traffic) by RT.

*8376.5 NBDP Used only for distress and safety communications (traffic) using NBDP telegraphy.

*8414.5 DSC Used only for distress and safety calls using digital selective calling in accordance with the

Radio Regulations.

8416.5 MSI-HF Used only for the transmission of high seas MSI by coast stations to ships, by means of

NBDP telegraphy, in the maritime mobile service.

*12290 RT Used only for distress and safety communications (traffic) by RT.

*12520 NBDP Used only for distress and safety communications (traffic) using NBDP telegraphy.

*12577 DSC Used only for distress and safety calls using digital selective calling in accordance with the

Radio Regulations.

12579 MSI-HF Used only for the transmission of high seas MSI by coast stations to ships, by means of

NBDP telegraphy, in the maritime mobile service.

*16420 RT Used only for distress and safety communications (traffic) by RT.

*16695 NBDP Used only for distress and safety communications (traffic) using NBDP telegraphy.

*16804.5 DSC Used only for distress and safety calls using digital selective calling in accordance with the

Radio Regulations.

16806.5 MSI-HF Used only for the transmission of high seas MSI by coast stations to ships, by means of

NBDP telegraphy, in the maritime mobile service.

19680.5 MSI-HF Used only for the transmission of high seas MSI by coast stations to ships, by means of

NBDP telegraphy, in the maritime mobile service.

22376 MSI-HF Used only for the transmission of high seas MSI by coast stations to ships, by means of

NBDP telegraphy, in the maritime mobile service.

26100.5 MSI-HF Used only for the transmission of high seas MSI by coast stations to ships, by means of

NBDP telegraphy, in the maritime mobile service.

Note: Except as provided in these Regulations, any emission capable of causing harmful interference to distress, alarm,

urgency or safety communications on the frequencies denoted by an asterisk (*) is prohibited.

Table of Frequencies below 30 MHz

Frequency

(MHz)

Description

of usage

Notes
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 6

Table of Frequencies above 30 MHz

Frequency

(MHz)

Description

of usage

Notes

*121.5 AERO-SAR The aeronautical emergency frequency 121.5 MHz is used for the purposes of distress

and urgency for RT by stations of the aeronautical mobile service using frequencies in

the band between 117.975 MHz and 137 MHz. This frequency may also be used for

these purposes by survival craft stations. EPIRBs use this frequency as indicated in the

Radio Regulations.

Mobile stations of the maritime mobile service may communicate with stations of the

aeronautical mobile service on the aeronautical emergency frequency 121.5 MHz for

the purposes of distress and urgency only, and on the aeronautical auxiliary frequency

123.1 MHz for coordinated SAR operations, using class A3E emissions for both

frequencies. They shall then comply with any special arrangement between

governments concerned by which the aeronautical mobile service is regulated.

123.1 AERO-SAR The aeronautical auxiliary frequency 123.1 MHz, which is auxiliary to the aeronautical

emergency frequency 121.5 MHz, is for use by stations of the aeronautical mobile

service and by other mobile and land stations engaged in coordinated SAR operations.

Mobile stations of the maritime mobile service may communicate with stations of the

aeronautical mobile service on the aeronautical emergency frequency 121.5 MHz for

the purposes of distress and urgency only, and on the aeronautical auxiliary frequency

123.1 MHz for coordinated SAR operations, using class A3E emissions for both

frequencies. They shall then comply with any special arrangement between

governments concerned by which the aeronautical mobile service is regulated.

156.3 VHF (Ch. 06) Used for communication between ship stations and aircraft stations engaged in

coordinated SAR operations. It may also be used by aircraft stations to communicate

with ship stations for other safety purposes. Ship stations shall avoid harmful

interference to such communications on Ch. 06 as well as to communications between

aircraft stations, ice-breakers and assisted ships during ice seasons.

*156.525 VHF (Ch. 70) Used in the maritime mobile service for distress and safety calls using digital selective

calling.

156.650 VHF (Ch. 13) Used on a worldwide basis for ship-to-ship communications relating to the safety of

navigation. It may also be used for the ship movement and port operations service

subject to the national regulations of the administrations concerned.

*156.8 VHF (Ch. 16) Used for distress and safety communications by RT. It may also be used by aircraft

stations for safety purposes only.

*406-406.1 406-EPIRB This frequency band is used only by satellite EPIRBs in the Earth-to-space direction.

1530-1544 SAT-COM In addition to its availability for routine non-safety purposes, this frequency band is

used for distress and safety purposes in the space-to-Earth direction in the maritime

mobile-satellite service. GMDSS distress, urgency and safety communications have

priority in this band.

*1544-1545 D&S-OPS Use of this band (space-to-Earth) is limited to distress and safety operations, including

feeder links of satellites needed to relay emissions of satellite EPIRBs to earth stations

and narrow-band (space-to-Earth) links from space stations to mobile stations.

Note: Except as provided in these Regulations, any emission capable of causing harmful interference to distress, alarm,

urgency or safety communications on the frequencies denoted by an asterisk (*) is prohibited.
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 7

Section II - Survival craft stations: Equipment for

radiotelephony use in survival craft stations shall, if

capable of operating on any frequency in the bands

between 156 MHz and 174 MHz, be able to transmit and

receive on 156.8 MHz and at least one other frequency in

these bands.

Equipment for transmitting locating signals from

survival craft stations shall be capable of operating in the

9200-9500 MHz band.

Equipment with DSC facilities for use in survival craft

shall, if capable of operating in the bands between:

– 1605 and 2850 kHz, be able to transmit on 2187.5 kHz;

– 4000 and 27500 kHz, be able to transmit on 8414.5 kHz;

– 156 and 174 MHz, be able to transmit on 156.525 MHz.

Section III - Watchkeeping:

(A) - Coast stations: Those coast stations assuming a

watch-keeping responsibility in the GMDSS shall maintain

an automatic DSC watch on frequencies and for periods of

time as indicated in the information published in the List of

Coast Stations.

(B) - Coast earth stations: Those coast earth stations

assuming a watch-keeping responsibility in the GMDSS

shall maintain a continuous automatic watch for

appropriate distress alerts relayed by space stations.

(C) - Ship stations: Ship stations, where so equipped,

shall, while at sea, maintain an automatic DSC watch on

the appropriate distress and safety calling frequencies in

the frequency bands in which they are operating. Ship

stations, where so equipped, shall also maintain watch on

the appropriate frequencies for the automatic reception of

transmissions of meteorological and navigational warnings

and other urgent information to ships. However, ship

stations shall also continue to apply the appropriate

watch-keeping provisions of the Radio Regulations for

distress and safety communications for non-GMDSS

vessels (Appendix 13).

NOTE: Listening watches on 2182 kHz are no longer

mandatory. Until 1 February 2005, every ship while at sea

shall maintain, when practicable, a continuous listening

watch on VHF Ch. 16; such a watch shall be kept at the

position from which the ship is normally navigated.

Ship stations complying with the provisions of the Radio

Regulations should, where practicable, maintain a watch

on the frequency 156.650 MHz (VHF Ch. 13) for

communications related to the safety of navigation.

(D) - Ship earth stations: Ship earth stations complying

with the provisions of the Radio Regulations shall, while at

sea, maintain watch except when communicating on a

working channel.

ARTICLE 32, OPERATIONAL PROCEDURES FOR

DISTRESS AND SAFETY COMMUNICATIONS IN

THE GMDSS:

Section I - General: Distress and safety communications

rely on the use of terrestrial MF, HF and VHF

radiocommunications and communications using satellite

techniques.

The distress alert shall be sent through a satellite either

with absolute priority in general communication channels

or on exclusive distress and safety frequencies or,

alternatively, on the distress and safety frequencies in MF,

HF and VHF bands using DSC.

The distress alert shall be sent only on the authority of

the person responsible for the ship, aircraft or other vehicle

carrying the mobile station or the mobile earth station.

All stations which receive a distress alert transmitted by

DSC shall immediately cease any transmission capable of

interfering with distress traffic and shall continue watch

until the call has been acknowledged.

DSC shall be in accordance with the relevant ITU-R

Recommendations.

Each administration shall ensure that suitable

arrangements are made for assigning and registering

identities used by ships participating in the GMDSS, and

shall make registration information available to RCCs on a

24-hour day, 7-day week basis. Where appropriate,

administrations shall notify responsible organizations

immediately of additions, deletions and other changes in

these assignments. Registration information shall be in

accordance with the Radio Regulations (Resolution 340).

1626.5-1645.5 SAT-COM In addition to its availability for routine non-safety purposes, this frequency band is

used for distress and safety purposes in the Earth-to-space direction in the maritime

mobile-satellite service. GMDSS distress, urgency and safety communications have

priority in this band.

*1645.5-1646.5 D&S-OPS Use of this band (Earth-to-space) is limited to distress and safety operations, including

transmissions from satellite EPIRBs and relay of distress alerts received by satellites in

low polar Earth orbits to geostationary satellites.

9200-9500 SARTS Used by radar transponders to facilitate SAR.

Note: Except as provided in these Regulations, any emission capable of causing harmful interference to distress, alarm,

urgency or safety communications on the frequencies denoted by an asterisk (*) is prohibited.

Table of Frequencies above 30 MHz

Frequency

(MHz)

Description

of usage

Notes
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 8

Any GMDSS shipboard equipment which is capable of

transmitting position coordinates as part of a distress alert

message and which does not have an integral electronic

position-fixing system receiver shall be interconnected to a

separate navigation receiver, if one is installed, to provide

that information automatically.

Transmissions by radiotelephony shall be made slowly

and distinctly, each word being clearly pronounced to

facilitate transcription.

The Phonetic Alphabet and Figure Code, and the

abbreviations and prosigns listed below, in accordance

with the Radio Regulations, should be used where

applicable. The Standard Marine Communication Phrases

(published by the International Maritime Organization

(IMO)) and the International Code of Signals

(CDPUBNV102) are also recommended for use. (NOTE:

Three-letter signals (Q Code) are also listed in ACP 131,

Communications Instructions, Operating Signals.)

AA - All After

AB - All Before

ADS - Address

AR - End of transmission (in telegraphy, a bar over the letters

means they are sent as one signal: • – • – • )

AS - Waiting period

BK - Interruption of transmission in progress

BN - All between

BQ - Reply to RQ

BT - Separation between parts of a transmission

C - Affirmative

CFM - Confirm/I confirm

CL - I am closing my station

COL - Collate/I collate

CORRECTION - Cancel last word or group

CP - General call to two or more specified stations

CQ - General call to all stations

CS - Request for call sign

DE - From

DF - Precede time, bearing, possible error

DO - Bearing doubtful, request again at specified time

DSC - Digital selective calling

E - East

ETA - Estimated time of arrival

INTERCO - Signals from International Code will follow

K - Invitation to transmit

KA - Starting signal

KTS - Knots

MIN - Minutes

MSG - Prefix indicating message to or from Master

regarding ship’s operation or navigation

MSI - Marine safety information

N - North

NBDP - Narrow band direct printing telegraphy

NIL - I have nothing to send you

NO - Negative

NW - Now

NX - Notice to Mariners

OK - It is correct

OL - Ocean letter

P - Prefix indicating private radiotelegram

PBL - Preamble, used after question mark in telegraphy,

RQ in telephony, or RPT, to request repetition

PSE - Please

R - Received

RCC - Rescue coordination center

REF - Reference

RPT - Repeat

RQ - Request

S - South

SAR - Search and rescue

SIG - Signature, used after question mark in radiotelegraphy,

RQ in telephony, or RPT, to request repetition

SLT - Radiomaritime letter

SVC - Prefix indicating service message

SYS - Refer to your service message

TFC - Traffic

TR - Land station request for position and next port of call;

also precedes response

TU - Thank you

TXT - Text

VA - End of work

W - West

WA - Word after

WB - Word before

WD - Word(s) or group(s)

WX- Weather

XQ- Prefix indicating service note

YZ - Plain language

Section II - Distress alerting:

(A) - General: The transmission of a distress alert

indicates that a mobile unit (ship, aircraft or other vehicle)

or person is threatened by grave and imminent danger and

requests immediate assistance. The distress alert is a digital

selective call using distress call format in the bands used

for terrestrial radiocommunication or a distress message

format, in which case it is relayed through space stations.

(The format of distress calls and distress messages shall be

in accordance with the relevant ITU-R Recommendations.)

The distress alert shall provide the identification of the

station in distress and its position. (It may also contain

information regarding the nature of the distress, the type of

assistance required, the course and speed of the mobile

unit, the time that this information was recorded and any

other information which might facilitate rescue.)

A distress alert is false if it was transmitted without any

indication that a mobile unit or person was in distress and

required immediate assistance. Administrations receiving a

false distress alert shall report this infringement, if that

alert:

– was transmitted intentionally;

– was not cancelled in accordance with the Radio

Regulations (Resolution 349);

– could not be verified as a result of either the ship’s

failure to keep watch on appropriate frequencies in

accordance with the Radio Regulations, or its failure to

respond to calls from an authorized rescue authority;

– was repeated; or

– was transmitted using a false identity.
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 9

Administrations receiving such a report shall take

appropriate steps to ensure that the infringement does not

recur. No action should normally be taken against any ship

or mariner for reporting and cancelling a false distress

alert.

(B) - Transmission of a distress alert:

– (B1) - Transmission of a distress alert by a ship station or

a ship earth station: Ship-to-shore distress alerts are used

to alert RCCs via coast stations or coast earth stations

that a ship is in distress. These alerts are based on the use

of transmissions via satellites (from a ship earth station

or satellite EPIRB) and terrestrial services (from ship

stations and EPIRBs).

Ship-to-ship distress alerts are used to alert other ships

in the vicinity of the ship in distress and are based on the

use of DSC in the VHF and MF bands. Additionally, the

HF band may be used.

– (B2) - Transmission of a shore-to-ship distress alert

relay: A station or RCC which receives a distress alert

shall initiate the transmission of a shore-to-ship distress

alert relay addressed, as appropriate, to all ships, to a

selected group of ships or to a specific ship by satellite

and/or terrestrial means.

The distress alert relay shall contain the identification

of the mobile unit in distress, its position and all other

information which might facilitate rescue.

– (B3) - Transmission of a distress alert by a station not

itself in distress: A station in the mobile or

mobile-satellite service which learns that a mobile unit is

in distress shall initiate and transmit a distress alert in

any of the following cases:

– when the mobile unit in distress is not itself in a

position to transmit the distress alert;

– when the Master or person responsible for the mobile

unit not in distress considers further help is necessary.

A station transmitting a distress alert relay, in

accordance with the Radio Regulations, shall indicate

that it is not itself in distress.

(C) - Receipt and acknowledgment of distress alerts:

– (C1) - Procedure for acknowledgment of receipt of

distress alerts: Acknowledgment by DSC of receipt of a

distress alert in the terrestrial services shall be in

accordance with relevant ITU-R Recommendations. (For

further information on procedures for DSC distress

alerts, acknowledgments and relays see sec. 400J.)

Acknowledgment through a satellite of receipt of a

distress alert from a ship earth station shall be sent

immediately.

Acknowledgment by radiotelephony of receipt of a

distress alert from a ship station or a ship earth station

shall be given in the following form:

– the distress signal MAYDAY;

– the call sign or other identification of the station

sending the distress message, spoken three times;

– the words THIS IS (or DE spoken as DELTA ECHO in

case of language difficulties);

– the call sign or other identification of the station

acknowledging receipt, spoken three times;

– the word RECEIVED (or RRR spoken as ROMEO

ROMEO ROMEO in case of language difficulties);

– the distress signal MAYDAY.

The acknowledgment by direct printing telegraphy of

receipt of a distress alert from a ship station shall be

given in the following form:

– the distress signal MAYDAY;

– the call sign or other identification of the station

sending the distress alert;

– the word DE;

– the call sign or other identification of the station

acknowledging receipt of the distress alert;

– the signal RRR;

– the distress signal MAYDAY.

The acknowledgment by direct printing telegraphy of

receipt of a distress alert from a ship earth station shall

be given by the coast earth station receiving the distress

alert, by retransmitting the ship station identity of the

ship transmitting the distress alert.

– (C2) - Receipt and acknowledgment of receipt by a coast

station, a coast earth station or a RCC: Coast stations and

appropriate coast earth stations in receipt of distress

alerts shall ensure that they are routed as soon as possible

to a RCC. Receipt of a distress alert is to be

acknowledged as soon as possible by a coast station, or

by a RCC via a coast station or an appropriate coast earth

station.

A coast station using DSC to acknowledge a distress

call shall transmit the acknowledgment on the distress

calling frequency on which the call was received and

should address it to all ships. The acknowledgment shall

include the identification of the ship whose distress call

is being acknowledged.

– (C3) - Receipt and acknowledgment of receipt by a ship

station or ship earth station: Ship or ship earth stations in

receipt of a distress alert shall, as soon as possible,

inform the Master or person responsible for the ship of

the contents of the distress alert.

In areas where reliable communications with one or

more coast stations are practicable, ship stations in

receipt of a distress alert should defer acknowledgment

for a short interval so that receipt may be acknowledged

by a coast station.

Ship stations operating in areas where reliable

communications with a coast station are not practicable

which receive a distress alert from a ship station which

is, beyond doubt, in their vicinity, shall, as soon as

possible and if appropriately equipped, acknowledge

receipt and inform a RCC through a coast station or coast

earth station.

However, a ship station receiving an HF distress alert

shall not acknowledge it but shall observe the provisions

of D below, and shall, if the alert is not acknowledged by

a coast station within 3 minutes, relay the distress alert.

A ship station acknowledging receipt of a distress alert

in accordance with C3 above should:

– in the first instance, acknowledge receipt of the alert

by using radiotelephony on the distress and safety

traffic frequency in the band used for the alert;

– if acknowledgment by radiotelephony of the distress

alert received on the MF or VHF distress alerting

frequency is unsuccessful, acknowledge receipt of the
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 10

distress alert by responding with a digital selective call

on the appropriate frequency.

A ship station in receipt of a shore-to-ship distress alert

should establish communication as directed and render

such assistance as required and appropriate.

(D) - Preparations for handling of distress traffic: On

receipt of a distress alert transmitted by use of DSC

techniques, ship stations and coast stations shall set watch

on the radiotelephone distress and safety traffic frequency

associated with the distress and safety calling frequency on

which the distress alert was received.

Coast stations and ship stations with NBDP equipment

shall set watch on the NBDP frequency associated with the

distress alert signal if it indicates that NBDP is to be used

for subsequent distress communications. If practicable,

they should additionally set watch on the radiotelephone

frequency associated with the distress alert frequency.

Section III - Distress traffic:

(A) - General and SAR coordinating communications:

Distress traffic consists of all messages relating to the

immediate assistance required by the ship in distress,

including SAR communications and on scene

communications. The distress traffic shall as far as possible

be on the frequencies con tained in Article 31 (see above).

The distress signal consists of the word MAYDAY.

For distress traffic by radiotelephony, when establishing

communications, calls shall be prefixed by the distress

signal MAYDAY.

Error correction techniques in accordance with relevant

ITU-R Recommendations shall be used for distress traffic

by direct printing telegraphy. All messages shall be

preceded by at least one carriage return, a line feed signal,

a letter shift signal and the distress signal MAYDAY.

Distress communications by direct printing telegraphy

should normally be established by the ship in distress and

should be in the broadcast (forward error correction) mode.

The ARQ mode may subsequently be used when it is

advantageous to do so.

The RCC responsible for controlling a SAR operation

shall also coordinate the distress traffic relating to the

incident or may appoint another station to do so.

The RCC coordinating distress traffic, the unit

coordinating SAR operations (the On Scene Commander

(OSC) or Coordinator Surface Search (CSS)) or the coast

station involved may impose silence on stations which

interfere with that traffic. This instruction shall be

addressed to all stations or to one station only, according to

circumstances. In either case, the following shall be used:

– in radiotelephony, the signal SEELONCE MAYDAY;

– in NBDP telegraphy normally using forward error

correcting mode, the signal SILENCE MAYDAY.

However, the ARQ mode may be used when it is

advantageous to do so.

Until they receive the message indicating that normal

working may be resumed, all stations which are aware of

the distress traffic, and which are not taking part in it, and

which are not in distress, are forbidden to transmit on the

frequencies in which the distress traffic is taking place.

A station of the mobile service which, while following

distress traffic, is able to continue its normal service, may

do so when the distress traffic is well established and on

condition that it observes the provisions of the above

paragraph and that it does not interfere with distress traffic.

When distress traffic has ceased on frequencies which

have been used for distress traffic, the RCC controlling a

SAR operation shall initiate a message for transmission on

these frequencies indicating that distress traffic has

finished.

In radiotelephony, the message referred to in the above

paragraph consists of:

– the distress signal MAYDAY;

– the call “Hello all stations” or CQ (spoken as CHARLIE

QUEBEC) spoken three times;

– the words THIS IS (or DE spoken as DELTA ECHO in

the case of language difficulties);

– the call sign or other identification of the station sending

the message;

– the time of handing in of the message;

– the name and call sign of the mobile station which was in

distress;

– the words SEELONCE FEENEE.

In direct printing telegraphy, the message referred to in

the above paragraph consists of:

– the distress signal MAYDAY;

– the call CQ;

– the word DE;

– the call sign or other identification of the station sending

the message;

– the time of handing in of the message;

– the name and call sign of the mobile station which was in

distress; and

– the words SILENCE FINI.

(B) - On scene communications: On scene

communications are those between the mobile unit in

distress and assisting mobile units, and between the mobile

units and the unit coordinating SAR operations (the OSC

or CSS).

Control of on scene communications is the responsibility

of the unit coordinating SAR operations. Simplex

communications shall be used so that all on scene mobile

stations may share relevant information concerning the

distress incident. If direct printing telegraphy is used, it

shall be in the forward error correcting mode.

The preferred frequencies in radiotelephony for on scene

communications are 156.8 MHz (VHF Ch. 16) and 2182

kHz. The frequency 2174.5 kHz may also be used for

ship-to-ship on scene communications using NBDP

telegraphy in the forward error correcting mode.

In addition, the frequencies 3023 kHz, 4125 kHz, 5680

kHz, 123.1 MHz, and 156.3 MHz (VHF Ch. 06) may be

used for ship-to-aircraft on scene communications.

The selection or designation of on scene frequencies is

the responsibility of the unit coordinating SAR operations.

Normally, once an on scene frequency is established, a

continuous aural or teleprinter watch is maintained by all

participating on scene mobile units on the selected

frequency.

(C) - Locating and homing signals: Locating signals

are radio transmissions intended to facilitate the finding of

a mobile unit in distress or the location of survivors. These
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 11

signals include those transmitted by searching units, and

those transmitted by the mobile unit in distress, by survival

craft, by float-free EPIRBs, by satellite EPIRBs and by

SAR radar transponders to assist the searching units.

Homing signals are those locating signals which are

transmitted by mobile units in distress, or by survival craft,

for the purpose of providing searching units with a signal

that can be used to determine the bearing to the

transmitting stations.

Locating signals may be transmitted in the following

frequency bands:

– 117.975-136 MHz;

– 156-174 MHz;

– 406-406.1 MHz;

– 1645.5-1646.5 MHz; and

– 9200-9500 MHz.

Locating signals shall be in accordance with the relevant

ITU-R Recommendations.

ARTICLE 33, OPERATIONAL PROCEDURES FOR

URGENCY AND SAFETY COMMUNICATIONS IN

THE GMDSS:

Section I - General: Urgency and safety communications

include:

– navigational and meteorological warnings and urgent

information;

– ship-to-ship safety of navigation communications;

– ship reporting communications;

– support communications for SAR operations;

– other urgency and safety messages;

– communications relating to navigation, movements and

needs of ships, and weather observation messages

destined for an official meteorological service.

Section II - Urgency communications: In a terrestrial

system the announcement of the urgency message shall be

made on one or more of the distress and safety calling

frequencies as specified using DSC and the urgency call

format. A separate announcement need not be made if the

urgency message is to be transmitted through the maritime

mobile-satellite service.

The urgency signal and message shall be transmitted on

one or more of the distress and safety traffic frequencies

specified, or via the maritime mobile-satellite service or on

other frequencies used for this purpose.

The urgency signal consists of the words PAN PAN.

The urgency call format and the urgency signal indicate

that the calling station has a very urgent message to

transmit concerning the safety of a mobile unit or a person.

In radiotelephony, the urgency message shall be

preceded by the urgency signal (PAN PAN), repeated three

times, and the identification of the transmitting station.

In NBDP, the urgency message shall be preceded by the

urgency signal (PAN PAN) and the identification of the

transmitting station.

The urgency call format or urgency signal shall be sent

only on the authority of the Master or the person

responsible for the mobile unit carrying the mobile station

or mobile earth station.

The urgency call format or the urgency signal may be

transmitted by a land station or a coast earth station with

the approval of the responsible authority.

When an urgency message which calls for action by the

stations receiving the message has been transmitted, the

station responsible for its transmission shall cancel it as

soon as it knows that action is no longer necessary.

Error correction techniques in accordance with relevant

ITU-R Recommendations shall be used for urgency

messages by direct printing telegraphy. All messages shall

be preceded by at least one carriage return, a line feed

signal, a letter shift signal and the urgency signal PAN

PAN.

Urgency communications by direct printing telegraphy

should normally be established in the broadcast (forward

error correction) mode. The ARQ mode may subsequently

be used when it is advantageous to do so.

Section III - Medical transports: The term “medical

transports,” as defined in the 1949 Geneva Conventions

and Additional Protocols, refers to any means of

transportation by land, water or air, whether military or

civilian, permanent or temporary, assigned exclusively to

medical transportation and under the control of a

competent authority of a party to a conflict or of neutral

States and of other States not parties to an armed conflict,

when these ships, craft, and aircraft assist the wounded, the

sick and the shipwrecked.

For the purpose of announcing and identifying medical

transports which are protected under the above-mentioned

Conventions, the procedure of Section II of this Article

(urgency communications) is used. The urgency signal

(PAN PAN) shall be followed by the addition of the single

word MEDICAL in NDBP and by the addition of the

single word “MAY-DEE-CAL,” in radiotelephony.

The use of the signals described in the above paragraph

indicates that the message which follows concerns a

protected medical transport. The message shall convey the

following data:

– call sign or other recognized means of identification of

the medical transport;

– position of the medical transport;

– number and type of vehicles in the medical transport;

– intended route;

– estimated time enroute and of departure and arrival, as

appropriate;

– any other information, such as flight altitude, radio

frequencies guarded, languages used and secondary

surveillance radar modes and codes.

The identification and location of medical transports at

sea may be conveyed by means of appropriate standard

maritime radar transponders.

The identification and location of aircraft medical

transports may be conveyed by the use of the secondary

surveillance radar (SSR) system specified in Annex 10 to

the Convention on International Civil Aviation.

The use of radiocommunications for announcing and

identifying medical transports is optional; however, if they

are used, the provisions of the above Regulations shall

apply.
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 12

Section IV - Safety communications: In a terrestrial

system the announcement of the safety message shall be

made on one or more of the distress and safety calling

frequencies as specified using DSC techniques. A separate

announcement need not be made if the message is to be

transmitted through the maritime mobile-satellite service.

The safety signal and message shall normally be

transmitted on one or more of the distress and safety traffic

frequencies specified, or via the maritime mobile-satellite

service or on other frequencies used for this purpose.

The safety signal consists of the word SECURITE.

The safety call format or the safety signal indicates that

the calling station has an important navigational or

meteorological warning to transmit.

In radiotelephony, the safety message shall be preceded

by the safety signal (SECURITE, spoken SECURITAY)

repeated three times, and identification of the transmitting

station.

In NBDP, the safety message shall be preceded by the

safety signal (SECURITE), and the identification of the

transmitting station.

Error correction techniques in accordance with relevant

ITU-R Recommendations shall be used for safety

messages by direct printing telegraphy. All messages shall

be preceded by at least one carriage return, a line feed

signal, a letter shift signal and the safety signal

SECURITE.

Safety communications by direct printing telegraphy

should normally be established in the broadcast (forward

error correction) mode. The ARQ mode may subsequently

be used when it is advantageous to do so.

SectionV-Transmission of Maritime Safety

Information (MSI): (MSI includes navigation and

meteorological warnings, meteorological forecasts and

other urgent messages pertaining to safety normally

transmitted to or from ships, between ships and between

ship and coast stations or coast earth stations.)

(A) - General: Messages from ship stations containing

information concerning the presence of cyclones shall be

transmitted, with the least possible delay, to other mobile

stations in the vicinity and to the appropriate authorities at

the first point of the coast with which contact can be

established. These transmissions shall be preceded by the

safety signal.

Messages from ship stations containing information on

the presence of dangerous ice, dangerous wrecks, or any

other imminent danger to marine navigation, shall be

transmitted as soon as possible to other ships in the

vicinity, and to the appropriate authorities at the first point

of the coast with which contact can be established. These

transmissions shall be preceded by the safety signal.

The operational details of the stations transmitting MSI

in accordance with the provisions of B, C, D, and E below

shall be indicated in the List of Radiodetermination and

Special Service Stations. (In Pub. 117, see station listings

in sec. 300J, 300L and 400I.)

The mode and format of the transmissions mentioned in

B, C and D below shall be in accordance with the relevant

ITU-R Recommendations.

(B) - International NAVTEX system: MSI shall be

transmitted by means of NBDP telegraphy with forward

error correction using the frequency 518 kHz in

accordance with the international NAVTEX system.

(C) - 490 kHz and 4209.5 kHz: The frequency 490 kHz

may be used for the transmission of MSI by means of

NBDP telegraphy with forward error correction.

The frequency 4209.5 kHz is used exclusively for

NAVTEX-type transmissions by means of NBDP

telegraphy with forward error correction.

(D) - High seas MSI: MSI is transmitted by means of

NBDP telegraphy with forward error correction using the

frequencies 4210 kHz, 6314 kHz, 8416.5 kHz, 12579 kHz,

16806.5 kHz, 19680.5 kHz, 22376 kHz and 26100.5 kHz.

(E) - MSI via satellite: MSI may be transmitted via

satellite in the maritime mobile-satellite service using the

band 1530-1545 MHz.

Section VI - Intership navigation safety

communications: Intership navigation safety

communications are those VHF radiotelephone

communications conducted between ships for the purpose

of contributing to the safe movement of ships.

The frequency 156.650 MHz (VHF Ch. 13) is used for

intership navigation safety communications.

Section VII - Use of other frequencies for distress and

safety: Radiocommunications for distress and safety

purposes may be conducted on any appropriate

communications frequency, including those used for public

correspondence. In the maritime mobile-satellite service,

frequencies in the bands 1530-1544 MHz and

1626.5-1645.5 MHz are used for this function as well as

for distress alerting purposes.

Section VIII - Medical advice: Mobile stations

requiring medical advice may obtain it through any of the

land stations shown in the List of Radiodetermination and

Special Service Stations. (In Pub. 117, see sec. 500B.)

Communications concerning medical advice may be

preceded by the urgency signal.

ARTICLE 34, ALERTING SIGNALS IN THE

GMDSS:

Section I - EPIRB and Satellite EPIRB Signals: The

EPIRB signal transmitted on 156.525 MHz and satellite

EPIRB signals in the band 406-406.1 MHz or

1645.5-1646.5 MHz shall be in accordance with relevant

ITU-R Recommendations.

Section II - Digital selective calling (DSC): The

characteristics of the “distress call” in DSC system shall be

in accordance with relevant ITU-R Recommendations.

400B. Obligations and Responsibilities of U.S.

Vessels

It is the accepted normal practice of seamen (and there

are obligations upon Masters), to render assistance when a

person or persons are in distress at sea. These obligations

are set out in Regulation 10 of Chapter V of the 1974

SOLAS Convention (1974), to which the United States is

signatory:
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 13

Distress Messages—Obligations and Procedures

(a) The Master of a ship at sea, on receiving a signal from

any source that a ship or aircraft or survival craft

thereof is in distress, is bound to proceed with all

speed to the assistance of the persons in distress,

informing them, if possible, that he is doing so. If he is

unable or, in the special circumstances of the case,

considers it unreasonable or unnecessary to proceed to

their assistance, he must enter in the logbook the

reason for failing to proceed to the assistance of the

persons in distress.

(b) The Master of a ship in distress, after consultation, so

far as may be possible, with the Masters of the ships

which answer his call for assistance, has the right to

requisition such one or more of those ships as he

considers best able to render assistance, and it shall be

the duty of the Master or Masters of the ship or ships

requisitioned to comply with the requisition by

continuing to proceed with all speed to the assistance

of persons in distress.

(c) The Master of a ship shall be released from the

obligation imposed by paragraph (a) of this Regulation

when he learns that one or more ships other than his

own have been requisitioned and are complying with

the requisition.

(d) The Master of a ship shall be released from the

obligation imposed by paragraph (a) of this

Regulation, and, if his ship has been requisitioned,

from the obligation imposed by paragraph (b) of this

Regulation, if he is informed by the persons in distress

or by the Master of another ship which has reached

such persons that assistance is no longer necessary.

(e) The provisions of this Regulation do not prejudice the

International Convention for the unification of certain

rules with regard to Assistance and Salvage at Sea,

signed at Brussels on 23 September 1910, particularly

the obligation to render assistance imposed by Article

11 of that Convention.

U.S. IMPLEMENTATION OF THE GMDSS: The

Federal Communications Commission (FCC) adopted the

GMDSS requirements of the SOLAS Convention on 16

January 1992. (The GMDSS revisions to the Radio

Regulations were developed by the International Maritime

Organization (IMO) and ITU, and adopted by the ITU in

1987. The IMO adopted GMDSS requirements to the 1974

SOLAS Convention in 1988.) GMDSS requirements apply

to the following U.S. vessels on international voyages or

on the open sea:

– Cargo ships of 300 gross tons and over.

– Ships carrying more than 12 passengers.

Compliance will be required according to the following

schedule:

– 1 February 1992 - Voluntary compliance by any ships.

– All ships constructed after 1 February 1992 must carry a

radar transponder and two-way VHF radiotelephone for

survival craft.

– 1 August 1993 - Applicable ships must have satellite

EPIRB and NAVTEX.

– All ships constructed before 1 February 1992 to carry a

radar transponder and two-way VHF radiotelephone for

survival craft by 1 February 1995.

– 1 February 1995 - Newly constructed applicable ships

must be GMDSS-equipped.

– All applicable ships to carry 9GHz radar by 1 February

1995.

– 1 February 1999 - All applicable ships must be

GMDSS-equipped.

The FCC has exempted GMDSS-equipped U.S. ships

from the Communications Act of 1934 requirements to

carry (and provide operators for) Morse telegraphy

equipment. This exemption is effective once the FCC, or

its designee, has determined and certified that the vessel

has GMDSS equipment installed and in good working

condition. This exemption was mandated by the

Telecommunications Act of 1996.

FCC rules applicable to the GMDSS include the

following:

– Required equipment must be inspected once every 12

months.

– Ships must carry at least two persons with GMDSS

Radio Operators licenses, designated as primary and

backup(s), to act as dedicated radio operator in case of

distress and carry out normal communications watch

routines (including selection of HF DSC channels,

reception of MSI, and entering ship’s position in DSC

equipment every 4 hours).

– At-sea maintenance, if employed (the alternatives being

system redundancy or shore maintenance), must be

provided by licensed GMDSS radio maintainers.

– Ships operating in Sea Area A3 (beyond NAVTEX

coverage: see sec. 400H) must carry equipment capable

of receiving MSI via Inmarsat Enhanced Group Calling

(EGC) (SafetyNET).

– GMDSS equipment must be approved by the FCC and

carry labels indicating compliance.

– Inmarsat antennas should be installed so as to minimize

masking.

– A dedicated, non-scanning radio installation capable of

maintaining a continuous DSC watch on VHF 156.525

MHz (Ch. 70) must be installed.

These changes are found in Parts 13 and 80 of Title 47 of

the Code of Federal Regulations.

INFORMATION REQUIRED CONCERNING

NAVIGATIONAL DANGERS AND CYCLONES:

Vessels encountering imminent dangers to navigation or

cyclones should notify all ships in the vicinity and the

nearest coast station, using the safety signal. The following

information should be provided for navigational dangers:

– The kind of ice, derelict or danger observed.

– The position of the danger when last observed.

– The time and date the observation was made.

The following information should be provided for

hurricanes in the Atlantic and eastern Pacific, typhoons in

the western Pacific, cyclones in the Indian Ocean, and

storms of a similar nature in other regions:

– A statement that a cyclone has been encountered,

transmitted whenever the Master has good reason to

believe that a cyclone exists in his vicinity.
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 14

– Time, date, and position of ship when the observation

was taken.

– As much of the following information as possible should

be included in the message:

– Barometric pressure.

– Barometric tendency during the past 3 hours.

– True wind direction and force.

– Sea state (smooth, moderate, rough, high).

– Swell (slight, moderate, heavy), with direction and

period.

– Course and speed of ship.

When a Master has reported a dangerous cyclone, it is

desirable that subsequent observations be made and

transmitted hourly, if possible, but in any case at intervals

of not more than 3 hours, so long as the ship remains under

the influence of the cyclone.

For winds of Force 10 or above on the Beaufort Scale for

which no storm warning has been received (storms other

than the cyclones referred to above) a message should be

sent containing similar information to that listed above but

excluding details concerning sea and swell.

For sub-freezing air temperatures associated with gale

force winds, causing severe ice accretion on

superstructures, send a message including:

– Time and date.

– Air temperature.

– Sea temperature.

– Wind direction and force.

400C. Reporting Navigational Safety Information

to Shore Establishments

Masters should pass navigational safety information to

cognizant shore establishments by radio. This information

may include, but is not limited to, the following:

– Ice.

– Derelicts, mines, or other floating dangers.

– Casualties to lights, buoys, and other navigational aids.

– The newly discovered presence of wrecks, rocks, shoals,

reefs, etc.

– Malfunction of radio navigational aids.

– Hostile action or potential hostile action which may

constitute a hazard to shipping.

MESSAGES ADDRESSED TO THE U.S. COAST

GUARD: In the waters of the United States and its

possessions, defects noted in aids to navigation should be

addressed to COAST GUARD and transmitted direct to a

U.S. government coast station for relay to the Commander

of the nearest Coast Guard District.

Merchant ships should send messages about defects in

aids to navigation through commercial facilities only when

they are unable to contact a government coast station.

Charges for these messages will be paid by the Coast

Guard.

Vessels reporting distress, potential distress, groundings,

hazards to navigation, medicos, failures of navigational

aids, etc. to the Coast Guard, should include the following

information in their initial report to expedite action and

reduce the need for additional message traffic:

– Particulars regarding the reporting vessel: name,

position, course, speed, destination, and estimated time

of arrival.

– Particulars concerning the vessel or object reported:

position, name, color, size, shape, and other descriptive

data.

– Particulars concerning the case: nature of the case,

conditions, and action taken, if any.

MESSAGES ADDRESSED TO NGA (INFORMATION

CONCERNING OTHER THAN U.S. WATERS): Messages

describing dangers on the high seas or in foreign waters

should be addressed to NGA NAVSAFETY BETHESDA

MD, which may decide to issue a safety broadcast. Whenever

possible, messages should be transmitted via the nearest

government radio station. If that is impractical, a commercial

radio station may be used. Navigational warning messages to

the U.S. government should always be sent through U.S. radio

stations, government or commercial, but never through

foreign stations.

Although any coast station in the mobile service will

handle without charge messages relative to dangers to

navigation or defects in aids to navigation, it is requested

that, where practicable, ships address their messages to

NGA and send them through the nearest U.S. station. Ship

to shore Coast Guard radio stations are available for

long-range communications. The AMVER Bulletin should

be consulted for the latest changes to the communications

network.

Warning information may also be reported directly to the

NGA NAVSAFETY Radio Broadcast Watch Desk by the

following methods:

– Telephone: (1) 301-227-3147.

– Fax: (1) 301-227-3731.

– E-mail: navsafety@nga.mil.

400D. Assistance by SAR Aircraft and Helicopters

SAR aircraft may drop rescue equipment to ships in

distress. This may include equipment containers connected

in series by a buoyant line. The following may be dropped:

– Individual life rafts or pairs linked by a buoyant line.

– Buoyant radiobeacons and/or transceivers.

– Dye and smoke markers and flame floats.

– Parachute flares for illumination.

– Salvage pumps.

A helicopter may be used to supply equipment and/or

evacuate persons. In such cases the following information

will be of value:

– An orange smoke signal, signal lamp, or heliograph can

be used to attract the attention of the helicopter.

– A clear stretch of deck should be made available as a

pickup area, if possible, marked out with a large letter H

in white. During the night the ship should be illuminated

as brightly as possible, particularly any obstructions

(masts, funnels, etc.). Care should be taken that

illumination will not blind the helicopter pilot.

– The helicopter will approach from abaft the beam and

come to a hover over the cleared area.
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 15

– The ship should, when possible, maintain a constant

speed through the water and keep the wind 30 ̊ on the

port bow. If these conditions are met, the helicopter can

hover and use its hoist in the cleared area. If a vessel is

on fire or making smoke it is an advantage to have the

wind 30 ̊ on the bow. The above procedure may be

modified on instructions from the pilot.

– An indication of wind direction is useful. Pennants, flags,

or a small amount of smoke from the galley funnel may

be helpful.

– The length of the helicopter’s winch cable is about 15

meters (50 feet) minimum.

– The lifting device on the end of the winch cable should

never be secured to any part of the ship or become

entangled in the rigging or fixtures. Ships’ personnel

should not attempt to grasp the lifting device unless

requested to do so by the helicopter. In this case, a metal

part of the lifting device should first be allowed to touch

the deck in order to avoid possible shock due to static

electricity.

– If the above conditions cannot be met, the helicopter may

be able to lift a person from a boat or life raft secured on

a long painter. Cases have occurred of life rafts being

overturned by the downdraft from a helicopter. It is

advisable for all persons in a raft to remain in the center

of the raft until they are about to be lifted.

– In cases of injured persons a special stretcher may be

lowered by the helicopter. The stretcher should be

unhooked while the casualty is being strapped in.

400E. Reports of Hostile Activities

SHIP HOSTILE ACTION REPORT (SHAR): NGA has

established SHAR procedures to disseminate information

within the U.S. Government on hostile or potentially

hostile actions against U.S. merchant ships. Shipmasters

should send a SHAR message to NGA by whatever means

available immediately after they have encountered hostile

actions or become aware of potential hostile actions which

may constitute danger to U.S. shipping.

The text of a SHAR message should include the

acronym SHAR, the location or position of the incident, a

brief description of the situation, the Inmarsat identity of

the ship transmitting the SHAR, the Inmarsat Ocean

Region guarded, and the call sign of the coast radio station

being guarded, if any. An example of the procedure vessels

can use to send a SHAR message to NGA via either

Inmarsat-A or -B telex follows on pg. 4-16.

If circumstances are such that only minimum essential

data can be transmitted, a second SHAR message should

be sent as soon afterward as possible containing

amplifying information, such as:

– Latitude, longitude, course, and speed.

– Bearing and distance from nearest geographic point.

– Description of event.

– Next port of call and ETA.

– Date and time last message sent regarding this incident.

SHAR messages can be transmitted to NGA via

Inmarsat-A, -B, or -C telex:

NGA NAVSAFETY BETHESDA MD

TELEX 898334

SHAR delivery may also be made by the following

methods:

– NBDP via telex.

– Telephone: (1) 301-227-3147.

– E-mail: navsafety@nga.mil.

Rapid dissemination of a SHAR is vital so that a radio

broadcast warning, if needed, may be promulgated as soon

as possible. When a SHAR is received by NGA, it is

reviewed and (if appropriate) immediately sent to the

Department of State and other relevant government

authorities and officials for action. A SHAR can result in

the promulgation of NAVAREAs, HYDROLANTs,

HYDROPACs, and SPECIAL WARNINGS (See chap. 3.)

to help ensure the safety of any other U.S. flag vessels in

the affected area.

A SHAR is not a distress message. U.S. flag and

effective U.S. controlled (EUSC) vessels, under attack or

threat of attack, may request direct assistance from the

U.S. Navy following the procedures in Part II of this

chapter.
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 16

Procedure to Send a SHAR via Inmarsat-A or Inmarsat-B Telex

IDB A INMARSAT 12/JLY/99 21:30:46

1514205 MMAA X

GA+

0023898334+

NGA USA

FM M/V HYDRO

TO NGA NAVSAFETY

 BETHESDA MD

 TELEX 898334

SHAR SHAR SHAR

AMERICAN FREIGHTER OBSERVED HIT BY SEVERAL ROCKETS FIRED

FROM UNKNOWN LAND BASED SOURCE WHILE TRANSITTING

NORTH MITSIEWA CHANNEL.

INCIDENT OCCURRED AT 132300Z NOV 99 IN POSITION 16-24N 039-13E.

GUARDING COASTAL STATION JEDDAH/HZH AND AOR-EAST SATELLITE,

INMARSAT ID 1514205.

CAPTAIN SMITH

NGA USA

1514205 MMAA X

.....

IDB A ILXACD SN4252

CALL 0023898334

2 MINS 6 SECS

“00” Auto service code for Inmarsat

“23” Telex country code for the United States

“898334” NGA’s telex number

“+” Completes dialing string

Text

Go ahead from Land Earth Station

Answer back identifying vessel

Sequence of five periods terminating the transmission

Summary of call

Answer back from NGA

Answer back from NGA

Answer back from vessel

Land Earth Station and Date-Time Group
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 17

PIRACY ATTACK ALERT: The international format for

a piracy attack alert includes the following:

– The distressed vessel’s name and call sign (and Inmarsat

ID, if applicable, with ocean region code).

– Distress signal MAYDAY or SOS (MAYDAY need not

be included in the Inmarsat system when distress priority

(3) is used).

– The text heading PIRACY ALERT.

– Position and time.

– Nature of event.

This message should be sent to the nearest RCC,

national or regional piracy center, or nearest coast radio

station.

A follow-up message should be sent when time permits,

including the following:

– Reference to the initial Piracy Alert.

– Details of the incident.

– Last observed movements of the pirate vessel.

– Assistance required.

– Preferred methods for future communication.

– Date and time of report.

A regional Piracy Reporting Center in Kuala Lumpur,

Malaysia, has been established by the International

Maritime Bureau (IMB) in the Southeast Asia Region. The

center maintains watch 24-hours a day and, in close

collaboration with law enforcement, acts on reports of

suspicious shipping movements, piracy, and armed robbery

at sea anywhere in the world. Services are provided free of

charge to all vessels irrespective of ownership or flag.

Specific tasks of the Piracy Reporting Center are to:

– Report piracy incidents and armed robbery at sea to law

enforcement agencies.

– Supply investigating teams that respond to acts of piracy

and collect evidence for law enforcement agencies.

– Locate vessels that have been seized by pirates and

recover stolen cargoes.

– Help bring pirates to justice.

– Assist owners and crews of ships that have been

attacked.

– Collate information on piracy in all parts of the world.

The center broadcasts daily status bulletins by

Inmarsat-C (SafetyNET), reporting acts of piracy against

shipping in East Africa, the Indian subcontinent, Southeast

Asia and the Far East regions.

The IMB also publishes a weekly piracy report, which is

a summary of the Piracy Reporting Center’s daily status

bulletins. Each week’s report is posted on Tuesday and

may be accessed through the IMB Website at:

http://www.iccwbo.org/ccs/menu_imb_bureau.asp

The center may be contacted by:

– Telephone: 60-3-2078-5763.

– Fax: 60-3-2078-5769.

– Telex: MA 31880 IMBPCI.

– E-mail: imbkl@icc-ccs.org.uk.

24 hour Anti Piracy Helpline:

– Telephone: 60-3-2031-0014.

ANTI-SHIPPING ACTIVITY MESSAGES (ASAM)

REPORTING: Piracy and other attacks against merchant

shipping continue to be a worldwide problem. Information

regarding these incidents often takes over a month to reach

U.S. Government authorities. Delays in reporting these

incidents can result in an ineffective response by the

appropriate Government agency and, more importantly,

will undermine the benefit to other mariners who may be

transiting the affected geographic area.

At the request of a U.S. Government interagency

working group on piracy and maritime terrorism, the

Defense Mapping Agency (DMA) [now the National

Geospatial-Intelligence Agency (NGA)] developed, in

1985, a system to offer the maritime community the most

effective means of filing reports about attacks on shipping,

storing the data on a computer and disseminating data to

mariners and Government entities via telecommunications

links.

The NGA system is the Anti-Shipping Activity

Messages (ASAM) database accessed through the

Maritime Safety Information Website. This system allows

any user to send and record an ASAM or query the

database for reported incidents by date, geographic

subregion, victim’s name or reference number.

All piracy, terrorism, attacks, hostile actions,

harassments and threats while at sea, anchor or in port,

should be reported. The primary means of reporting is

through NGA’s ASAM system, with acceptable secondary

methods by telex/fax, telephone, and mail. An ASAM does

not need to be filed if a Ship Hostile Action Report

(SHAR) has been issued-one will be generated following a

SHAR.

This centralized database capability has been designed

to be a major step toward monitoring the escalating

problem of maritime crimes against life and property. The

central location for filing reports of attacks against

shipping is the first step in supporting governmental

responses, as well as warning the maritime community that

they should avoid (or approach with caution) certain

geographic areas.

Many ASAM reports are filed each year; however, the

number of reports as compared to worldwide incidents is

quite low. The long range goal of the ASAM system is to

assist Government officials in the deterrence of such

activities. Active participation by mariners is vital to the

success of future deterrence. The U.S. Maritime

Administration (MARAD) and NGA strongly encourage

all mariners to participate and promptly report all

incidents, whether against their vessel or observed against

other vessels.

For further information pertaining to the ASAM system

contact:

MARITIME DIVISION

NSS STAFF

ST D 44

4600 SANGAMORE ROAD

BETHESDA MD 20816-5003

Telephone: (1) 301-227-3147.

Fax: (1) 301-227-4211.

E-mail: webmaster_nss@nga.mil.
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 18

ANTI-PIRACY MEASURES: Merchant ships continue

to be attacked by pirates in port and underway on the west

coast of Africa, in and near the Strait of Malacca, in the

South and East China Seas, in the Caribbean and in

Brazilian and Ecuadorian waters. Pirates usually take

money, radios, cameras and other property that is portable,

valuable and easily sold. In some cases cargo has been

raided. In this section “piracy” means all kinds of violent

crimes against ships and small craft, including incidents in

ports and in territorial and international waters, except

incidents that are clearly political terrorism.

The following is a short checklist of prudent measures

that ship’s officers should consider when operating in

regions where piracy has been reported:

– BE VIGILANT. ANTICIPATE TROUBLE

– Provide a security general alarm signal and security

Station Bill to alert all crew members. Assign a ship’s

physical security officer.

– Anti-piracy measures should be included in the ship’s

security plan. These measures should be designed to

keep boarders off the ship. Repelling armed pirates

already on deck can be dangerous.

– Piracy countermeasures should be exercised during

regular emergency drills when in or approaching

dangerous waters.

– Have water hoses under pressure with nozzles ready at

likely boarding places when at sea and in port.

– Illuminate sides, bows and quarters while navigating in

threat areas and in dangerous ports.

– Restrict access to vessel, close all ports, strong back

doors, and secure spaces.

In port:

– Ensure gangway watch can contact shipboard support if

needed, preferably by hand-held radios.

– Ensure gangway watch can contact local security forces

for assistance, if available.

– Maintain roving patrol on deck in port and at anchor, and

ensure that patrol and gangway watch are in contact.

– Use rat guards on all mooring lines and illuminate the

lines.

– Use covers on chain hawse and keep wash-down water

running.

– Keep bumboats away and vendors off the ship.

Underway:

– Keep good radar and visual lookout, including lookout

aft.

– Have searchlights available to illuminate suspected

boarding parties.

– Have signaling equipment, including emergency rockets,

rocket pistols, and EPIRBs, available for immediate use.

When suspected boarders are detected:

– Sound the general alarm.

– Establish VHF contact with shore stations and other

ships in the vicinity.

– Increase speed and head into seas if practicable. Take

evasive action by working rudder hard right and left if

navigation permits.

– Fire warning rockets.

– Switch on outside lighting.

– Use searchlights to illuminate and dazzle suspects.

– CONTINUE TO MAINTAIN GOOD ALL-AROUND

WATCH.

After pirates have boarded:

– Barricade engine room and bridge, if practicable.

– Barricade the crew in secure areas, if practicable.

– Report the situation by radio and call for help, if

available. Use Emergency Call-up Procedures in

Chapter 4.

– DON’T BE HEROIC if the boarders are armed.

MARAD ADVISORIES: The U.S. Maritime

Administration utilizes MARAD Advisories to rapidly

disseminate information on maritime danger, safety,

government policy, and other timely matters pertaining to

U.S. flag and U.S. owned vessel operations. MARAD

Advisories are issued by the Office of Ship Operations to

vessel Masters, operators, and other U.S. maritime

interests via message. MARAD Advisories are also

published in NGA’s Notice to Mariners and maintained on

NGA’s Maritime Safety Information Center Website.

MARAD has established an internet Website at:

http://www.marad.dot.gov

to disseminate the latest information pertaining to the U.S.

maritime industry. The following information is available:

– Ready Reserve Force news.

– Treasury Department’s Office of Foreign Assets Control.

– Maritime Security Act/Program.

– MARAD Advisories.

– Maritime Security Reports.

– Current maritime related legislation.

– Current press releases.

– Cargo preference.

– International and domestic marketing.

– Calendars of trade events.

– General public sales information.

For further information regarding MARAD Advisories

contact:

MARITIME ADMINISTRATION

OFFICE OF SHIP OPERATIONS (MAR-613)

400 SEVENTH STREET SW

WASHINGTON DC 20590

Telephone: (1) 202-366-5735.

Fax: (1) 202-366-3954.

E-mail: opcenter1@marad.dot.gov.

400F. Emergency Position Indicating Radio

Beacons (EPIRBs)

Emergency position indicating radio beacons (EPIRBs),

devices which cost from $200 to $1500, are designed to

save lives by alerting rescue authorities and indicating

distress location. EPIRB types are described as follows:

– Class A (121.5/243 MHz): Float-free, automatically

activating, detectable by aircraft and satellite. Coverage

limited (see chart). An alert from this device to a RCC

may be delayed 4-6 or more hours. No longer

recommended.
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 19

– Class B (121.5/243 MHz): Manually activated version of

Class A. No longer recommended.

– Class S (121.5/243 MHz): Similar to Class B, except that

it floats, or is an integral part of a survival craft. No

longer recommended.

– Category I (406/121.5 MHz): Float-free, automatically

activated EPIRB. Detectable by satellite anywhere in the

world. Recognized by GMDSS.

– Category II (406/121.5 MHz): Similar to Category I,

except manually activated. Some models are also water

activated.

– Inmarsat-E (1646 MHz): Float-free, automatically

activated EPIRB. Detectable by Inmarsat geostationary

satellite. Recognized by GMDSS.

121.5/243 MHz EPIRBs (Class A, B, S): These are the

most common and least expensive type of EPIRB,

designed to be detected by overflying commercial or

military aircraft. Satellites were designed to detect these

EPIRBs but are limited for the following reasons:

– Satellite detection range is limited for these EPIRBs

(satellites must be within line of sight of both the EPIRB

and a ground terminal for detection to occur) (see chart).

– Frequency congestion in the band used by these devices

cause a high satellite false alert rate (99.8%);

consequently, confirmation is required before SAR

forces can be deployed.

– EPIRBs manufactured before October 1989 may have

design or construction problems (i.e., some models will

leak and cease operating when immersed in water) or

may not be detectable by satellite. Such EPIRBs may no

longer be sold.

– Location ambiguities and frequency congestion in this

band require two or more satellite passes to determine if

the signal is from an EPIRB and to determine the

location of the EPIRB, delaying rescue by an average of

4 to 6 hours. In some cases, a rescue can be delayed as

long as 12 hours.

– Cospas-Sarsat is expected to cease detecting alerts on

121.5 MHz.

Class A, B, and S (121.5 MHz) EPIRBs have not been

manufactured, imported, or sold in the U.S. since 1

February 2003; use of these EPIRBs in the U. S. shall be

prohibited after 31 December 2006.

NOTE: The International Cospas-Sarsat Program has

announced plans to terminate satellite processing of

distress signals from 121.5/243 MHz emergency beacons

on 1 February 2009. Mariners, aviators and other users of

emergency beacons will need to switch to those operating

at 406 MHz in order to be detected by satellites. The

termination of 121.5/243 MHz processing is planned far

enough in advance to allow users adequate time for the

transition to the 406 MHz beacon.

The decision to terminate 121.5/243MHz satellite

alerting services was made in response to guidance from

the International Maritime Organization (IMO) and the

International Civil Aviation Organization (ICAO). These

two agencies of the United Nations are responsible for

regulating the safety of ships and aircraft on international

transits and handle international standards and plans for

maritime and aeronautical search and rescue. In addition,

problems within this frequency band inundate search and

rescue authorities with false alerts, adversely impacting the

effectiveness of lifesaving services. Although 406 MHz

beacons are more costly, they provide search and rescue

agencies with more reliable and complete information to

do their job more efficiently and effectively.

Individuals who plan on buying a new distress beacon

need to be aware and take the Cospas-Sarsat decision into

account.

406 MHz EPIRBs (Category I, II): The 406 MHz EPIRB

was designed to operate with satellites. The signal

frequency, 406 MHz, has been designated internationally

for use only for distress; other communications and

interference are not allowed on this frequency. Its signal

allows a satellite local user terminal (LUT) to accurately

locate the EPIRB (much more accurately than 121.5/243

MHz devices) and identify the vessel (by matching the

unique identification code transmitted by the beacon to a

registration database) anywhere in the world (there is no

range limitation). These devices are detectable not only by

Cospas-Sarsat satellites which are polar orbiting, but also

by geostationary GOES weather satellites. EPIRBs

detected by the GEOSAR system, consisting of GOES or

other geostationary satellites, provide rescue authorities an

instant alert, but without location information unless the

EPIRB is equipped with an integral GPS receiver. EPIRBs

detected by Cospas-Sarsat (i.e., TIROS N) satellites

provide rescue authorities location of distress, but location

and sometimes alerting may be delayed as much as an hour

or two. These EPIRBs also include a 121.5 MHz homing

signal, allowing aircraft and rescue craft to quickly find the

vessel in distress. These are the only type of EPIRBs which

must be certified by Coast Guard approved independent

laboratories before they can be sold in the United States.

An automatically activated, float free version of this

EPIRB is designated for use in the GMDSS and has been

required on SOLAS vessels (cargo ships over 300 tons and

passenger ships on international voyages) since 1 August

1993. Coast Guard regulations require U.S. commercial

fishing vessels to carry this device. The U.S. Coast Guard

Navigation and Vessel Inspection Circular (NVIC) No.

3-99 provides a complete summary of EPIRB equipment

requirements for U.S. flag vessels, including those vessels

operating on the Great Lakes. This circular is available

from the U.S. Coast Guard Homepage at:

http://www.uscg.mil/hq/g-m/nvic/

A new type of 406 MHz EPIRB, having an integral GPS

navigation receiver, became available in 1998. This EPIRB

provides accurate location, as well as identification

information, to rescue authorities immediately upon

activation through both geostationary (GEOSAR) and

polar orbiting satellites.
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 20

COMPARISON OF THE 406 MHz AND 121.5 MHz DISTRESS BEACONS

406 MHz Beacons 121.5 MHz Beacons

Coverage:

–Global. –Ground station dependent; ground stations have an

effective radius of about 1800 nm (2300 km). Both ground

station and beacon must be in satellite footprint. Current

coverage is about two-thirds of the world.

False Alerts:

–All alerts come from beacons. Satellite beacon

transmissions are digital, coded signals. Satellites process

only encoded data, other signals are rejected.

–About 1 in 12 alerts are actual distress.

–Beacon-unique coding/registration allows rapid incident

corroboration. Registration mandatory since 1994. 90%

beacons registered. About 70% of false alerts are resolved

by a phone or radio call to registration POCs prior to

launching SAR assets.

–Only about 1 in 5 alerts come from beacons. Satellites

can’t discern beacon signals from many non-beacon

sources. Beacons transmit anonymously with no unique

identifier.

–Fewer than 2 in 1000 alerts and 2 in 100 composite alerts

are actual distress.

–Since 121.5 MHz beacons transmit anonymously, the

only way to ascertain the situation is to dispatch resources

to investigate--a costly disadvantage.

Alerting:

–First alert warrants launch of SAR assets. Earlier

launches puts assets on scene sooner--average 3 hrs saved

in maritime, 6 hrs in inland.

–Average initial detection/alerting by orbiting satellites is

about 45 minutes.

–Average subsequent satellite passes every 60 minutes.

–Vessel/aircraft ID, point of contact information provided

with alerts allows rapid verification or stand-down.

–Allows false alert follow-up to continuously improve

system integrity/reliability.

–Near instantaneous detection by geostationary satellites.

System provides world-wide coverage.

–High false alert rate makes first-alert launch unfeasible.

Absent independent distress information means RCCs

must wait for additional alert information.

–Same as 406 MHz.

–Same as 406 MHz.

–Alerts are anonymous. 121.5 MHz analog technology not

capable of transmitting data.

–No false alert follow-up capability.

–No GEO detection capability means no instantaneous

detection.

Position Information:

–1-3 nm (2-5 km) accuracy on average. Position

calculated by Doppler shift analysis.

–Less than 100 yard accuracy with GPS-equipped

beacons. GPS position processed with initial alert. Major

beacon enhancement.

–12-15 nm (15-25 km) accuracy on average. Position

calculated by Doppler shift analysis.

–No GPS capability.

Locating the Target:

–Superior alert (non-GPS) position accuracy limits initial

search area to about 25 sq. nm (65 sq. km).

–GPS-equipped beacons reduce search area to a

significantly smaller area.

–121.5 MHz homing signal facilitates target location by

radio detection finder equipped search units.

–Initial position uncertainty results in 500 sq. nm (800 sq.

km) search area on average.

–No GPS capability.

–Same as 406 MHz.

Power Output:

–5.0 Watts (strong power output). –0.1 Watt (weaker power output)--hard for satellites to

detect.

Cost:

–Average cost is $1000 (GPS-equipped EPIRB).

–Average cost is $500 (Personal Locator Beacon.

–Average cost is $1500 - $3000 (ELT).

–Average cost is $200 - $400 (EPIRB).

–Average cost is $600 - $1200 (ELT).

–121.5 MHz beacons are being phased out.
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 21

Mariners should be aware of the differences between

capabilities of 121.5/243 MHz and 406/121.5 MHz

EPIRBs, as they have implications for alerting and locating

of distress sites, as well as response by SAR forces. The

advantages of 406/121.5 MHz devices are substantial, and

are further enhanced by EPIRB-transmitted registration

data on the carrying vessel. Owners of 406/121.5 MHz

EPIRBs furnish registration information on their vessel,

onboard survival gear, and emergency points of contact

ashore, all of which greatly enhance both timely and

tailored SAR response. The database for U.S. vessels is

maintained by the National Oceanic and Atmospheric

Administration (NOAA), and is accessed worldwide by

SAR authorities to facilitate SAR response.

BEACON REGISTRATION: FCC regulations require

that all 406 MHz EPIRBs carried on U.S. vessels be

registered with NOAA. The U.S. Coast Guard is enforcing

the FCC registration rule. FCC fines, of up to $10,000, may

be incurred for false activation of an unregistered EPIRB

(e.g., as a hoax, or through gross negligence, carelessness,

or improper storage and handling). The EPIRB must be

updated with NOAA upon the change of vessel or EPIRB

ownership, transfer of EPIRB to another vessel, or any

other change in registration information, such as the

owner’s address or primary telephone number.

NOAA’s National Beacon Registration Database is now

available online. EPIRB owners can register and update

their beacons directly via the internet at:

http://www.beaconregistration.noaa.gov/

Owner’s of previously registered EPIRBs can access

registration information with the unique beacon ID (i.e., 15

character hexadecimal Beacon Identification Code).

Registration forms and inquiries may also be obtained

from:

NOAA SARSAT

E/SP3, RM 3320, FB-4

5200 AUTH ROAD

SUITLAND MD 20746-4304

– Telephone: (1) 888-212-SAVE (toll free), (1) 301-

457-5678, or (1) 301-457-5430.

– Fax: (1) 301-568-8649.

– E-mail: osdpd.dsd.reception@noaa.gov.

TESTING 121.5/243 MHz EPIRBs: The U.S. Coast

Guard urges EPIRB owners to periodically check for water

tightness, battery expiration date, and signal presence.

FCC rules allow Class A, B, and S EPIRBs to be turned on

briefly (for three audio sweeps, or 1 second only) during

the first 5 minutes of any hour. Signal presence can be

detected by an FM radio tuned to 99.5 MHz, or an AM

radio tuned to any vacant frequency and located close to an

EPIRB.

MONTHLY EPIRB INSPECTION PROCEDURES: For

all compulsory vessels that are required to carry 406 MHz

EPIRBs in U.S. waters (that is, all vessels over 300 gross

tons, all commercial fishing vessels regardless of tonnage

operating in waters greater than 3 nautical miles offshore,

and all inspected vessels engaged in transporting 6 or more

persons for hire regardless of tonnage) mandatory testing

of a vessel’s 406 MHz EPIRB is required on a monthly

basis.

The following information has been developed by

NOAA and the U.S. Coast Guard to provide EPIRB

owners and maintainers a generic list of recommended

procedures for conducting monthly EPIRB inspections.

These inspection procedures are intended to provide

general guidance and do not supersede the recommended

procedures provided by the International Maritime

Organization (IMO) or by the EPIRB manufacturer. All

owners and maintainers should follow the inspection and

self-testing procedures of their EPIRB manufacturer

accordingly. Throughout the inspection and testing

process, great care must be taken to avoid the transmission

of a false distress alert.

– Inspection of the EPIRB housing: The first test of an

EPIRB should be to inspect the unit housing the EPIRB.

406 MHz EPIRBs should be fitted in an unobstructed

“float free” mounting and positioned away from any

overhead obstructions to reduce the risk of the EPIRB

becoming trapped when released. In such a mounting the

EPIRB should be held in place by a Hydrostatic Release

Unit (HRU), an Automatic Release Mechanism (ARM),

or a manual release bracket. In the case of the HRU, it is

designed to sense the increasing water pressure if a

vessel sinks and at a predetermined depth (usually 3-5

meters) the HRU releases the mount, allowing the

EPIRB to float to the surface. If the EPIRB is a Category

I beacon, the mounting unit will allow the EPIRB to

switch itself on as it is released, so it will operate

automatically if the vessel sinks. Category II EPIRBs

differ in that they are not released automatically via the

HRU; they activate manually or through immersion in

water.

– Expiration date: If the EPIRB is retained in its mount or

casing by an HRU, then the expiration date or service

date label on the HRU should be noted and clearly

visible. These units must be replaced every 2 years

including any associated plastic bolts, rods, springs,

and/or spacing washers. The HRU should be free of any

signs of corrosion, cracking, water ingress, etc. Any

damage should be repaired in accordance with the

manufacturer’s procedures, or the unit replaced.

– EPIRB lanyard: Presence of a firmly attached lanyard in

good condition should also be verified. The lanyard

should be neatly stowed, and must not be tied to the

vessel or the mounting bracket.

– Checking for physical damage: The EPIRB should be

examined thoroughly for any physical damage. If there

appears to be any damage, corrosion, cracking, water

ingress, etc., the EPIRB should be replaced with a

backup immediately. In turn, this replacement EPIRB

should meet each of the inspection and testing criteria

listed here as well.

– Proper registration: An inspection of the EPIRB

registration decal from NOAA should also be completed

for all U.S.A.-coded EPIRBs. The registration decal

should be properly placed on the EPIRB and clearly

visible for U.S. Coast Guard inspectors. If there appears
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 22

to be any damage to the decal, NOAA should be notified

immediately. U.S. law requires that all 406 MHz EPIRBs

must be properly registered with NOAA. Every two

years NOAA will seek an update of the registration

information to ensure accuracy. However, if at anytime

the registration information does change (such as a new

phone number, new address, new emergency contact,

etc.) NOAA must be informed immediately.

– EPIRB battery: The expiration date of the EPIRB’s

battery should also be inspected. This is usually given on

the EPIRB manufacturer’s label or on another plate

affixed to the EPIRB. Battery life for most EPIRBs is 5

years. The battery must be replaced on or before the

expiration date or if the EPIRB has been used in an

emergency regardless of the length of time. EPIRB

batteries are designed to operate the beacon for a

minimum of 48 hours and therefore must always be fully

charged.

– Self-testing: After the EPIRB has been properly

inspected, a self-test of the EPIRB can be conducted

following the instructions provided by the EPIRB

manufacturer. It is important that the manufacturer’s

instructions be followed to ensure that the EPIRB is

working properly and to avoid an accidental activation.

Most EPIRBs have a visible test switch that is usually

spring loaded so it cannot be left on inadvertently and

thus reduce the life of the battery. A light will indicate

that the test circuits are operating correctly. Sometimes

this light will also activate the strobe light. It is

recommended that the self-test switch be held for no

more than 2 flashes of the strobe light or no longer than 1

minute after the first self-test mode burst transmission.

When operating a 406 MHz EPIRB self-test, the EPIRB

is allowed to radiate a single burst which is specially

coded so that it is ignored by the Cospas-Sarsat system.

The EPIRB must never be tested by actual operation. If it

is accidentally activated in the transmit mode, then it

should be turned off at once and the false alert cancelled

by calling the nearest U.S. Coast Guard Station and have

them contact the nearest Rescue Coordination Center.

– Log-keeping: For compulsory vessels all EPIRB tests

must be logged. Usually this is recorded in the GMDSS

Station Log which requires compulsory vessels to

conduct and record tests of the vessel’s GMDSS system

on a routine basis. The GMDSS Station Log is required

under 47 CFR 80.409.

When used in an emergency, some EPIRBs must be

floating in the water for their antenna to operate at peak

efficiency. The EPIRB manufacturer’s instructions will

indicate if the EPIRB should be operating afloat or if it can

be kept inside the liferaft. In either event, once the EPIRB

is activated in a distress situation leave it switched on until

you have been rescued or until the batteries are exhausted.

ANNUAL TESTING OF EPIRBs: The annual testing of

406 MHz satellite EPIRBs is required by SOLAS

regulation IV/15.9. The IMO has issued MSC/Circ.1040

(dated 28 May 2002) which provides the following

guidelines on annual testing of 406 MHz satellite EPIRBs:

The testing should be carried out using suitable test

equipment capable of performing all the relevant

measurements required in these guidelines. All checks of

electrical parameters should be performed in the self-test

mode, if possible.

The examination of the installed 406 MHz satellite

EPIRB should include:

– checking position and mounting for float-free operation;

– verifying the presence of a firmly attached lanyard in

good condition; the lanyard should be neatly stowed, and

must not be tied to the vessel or the mounting bracket;

– carrying out visual inspection for defects;

– carrying out the self-test routine;

– checking that the EPIRB identification (15 Hex ID and

other required information) is clearly marked on the

outside of the equipment;

– decoding the EPIRB 15 Hexadecimal Identification

Digits (15 Hex ID) and other information from the

transmitted signal, checking that the decoded

information (15 Hex ID or MMSI/callsign data, as

required) is identical to the identification marked on the

beacon;

– checking registration through documentation or through

the point of contact associated with that country code;

– checking the battery expiration date;

– checking the hydrostatic release and its expiration date,

as appropriate;

– checking the emission in the 406 MHz band using the

self-test mode or an appropriate device to avoid

transmission of a distress call to the satellites;

– if possible, checking emission on the 121.5 MHz

frequency using the self-test mode or an appropriate

device to avoid activating the satellite system;

– checking that the EPIRB has been maintained by an

approved shore-based maintenance provider at intervals

required (i.e., not exceeding 12 months, see 47 CFR

80.1105(k));

– after the test, remounting the EPIRB in its bracket,

checking that no transmission has been started; and

– verifying the presence of beacon operating instructions.

INMARSAT-E EPIRBs: Inmarsat-E EPIRBs operate on

1.6 GHz (L-band) and transmit a distress signal to Inmarsat

geostationary satellites, which includes a registered

identity similar to that of the 406 MHz EPIRB, and a

location derived from a GPS navigational satellite receiver

inside the EPIRB. Inmarsat-E EPIRBs may be detected

anywhere in the world between 70 ̊N and 70 ̊S. Since

geostationary satellites are used, alerts are transmitted

almost instantly to a RCC associated with the Inmarsat

Land Earth Station (LES) receiving the alert. The distress

alert transmitted by an Inmarsat-E EPIRB is received by

two LESs in each ocean region, giving 100 percent

duplication for each ocean region in case of failures or

outages associated with any of the LESs. Alerts received

over the Inmarsat Atlantic Ocean Regions are routed to the

Coast Guard Atlantic Area command center in Portsmouth,

and alerts received over the Inmarsat Pacific Ocean Region

are routed to the Coast Guard Pacific Area command

center in Alameda. This type of EPIRB is designated for

use in the GMDSS, but it is not sold in the United States or

approved for use by U.S. flag vessels.
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 23

NOTE: Inmarsat will withdraw its L-band EPIRB

service (Inmarsat-E) on 1 December 2006.

THE COSPAS-SARSAT SYSTEM: Cospas-Sarsat

(Cospas is a Russian acronym for “Space System for

Search of Distress Vessels;” Sarsat signifies “Search and

Rescue Satellite-Aided Tracking”) is an international

satellite-based search and rescue system established by the

U.S., Russia, Canada, and France to detect and locate

emergency radiobeacons transmitting on the frequencies

121.5 and 406 MHz. Since its inception, the Cospas-Sarsat

system has contributed to the saving of over 15,700 lives in

approximately 4,500 SAR events.

The Cospas-Sarsat system provides distress and location

data to RCCs for 121.5 MHz beacons, within the coverage

area of Cospas-Sarsat ground stations (Local User

Terminals - LUTs), and for 406 MHz beacons, activated

anywhere in the world. The system is composed of:

– distress radiobeacons (EPIRBs for maritime use) which

transmit signals during distress situations;

– instruments on board satellites in geostationary and

low-altitude Earth orbits which detect the signals

transmitted by distress radiobeacons;

– ground receiving stations, referred to as Local User

Terminals (LUTs), which receive and process the

satellite downlink signal to generate distress alerts; and

– Mission Control Centers (MCCs) which receive alerts

produced by LUTs and forward them to RCCs, SAR

Points of Contacts (SPOCs), or other MCCs.

The Cospas-Sarsat system includes two types of

satellites:

– polar orbiting, or low-altitude Earth orbit (LEO),

satellites which form the LEOSAR System;

– geostationary Earth orbit (GEO) satellites which form

the GEOSAR System.

The 406 MHz LEOSAR System provides global

non-continuous coverage using a limited number of polar

orbiting satellites and 406 MHz beacons. The coverage is

not continuous because polar orbiting satellites can only

view a portion of the earth at any given time. However, the

satellite is able to store distress beacon information and

continuosly broadcast it until the satellite comes within

view of a LEOLUT, thereby providing global coverage.

Doppler processing techniques are used to calculate the

position of the beacon. In the case of second generation

406 MHz beacons, the location information is acquired

from global satellite navigation systems, through an

internal or external navigation receiver, and encoded in the

beacon message.

The 121.5 MHz LEOSAR System coverage is neither

global nor continuous because the detection of the distress

signal can only occur when the satellite simultaneously

views the transmitting beacon and the ground receiving

station. Doppler processing techniques are used to

calculate the position of the beacon; however, the location

accuracy of 121.5 MHz beacons is not as good as the

accuracy achieved with 406 MHz beacons because of the

relatively poorer frequency stability performance of these

older generation beacons. Furthermore, a second satellite

pass is normally required to resolve postion ambiguity.

The 406 MHz GEOSAR System provides continuous

coverage of all areas of the globe to about 75 °latitude.

This system provides almost immediate alerting in the

footprint of the GEOSAR satellite, however it has no

independent location capability. To provide rescuers with

position information, the beacon location must be either:

– acquired by the beacon through an internal or an external

navigation receiver and encoded in the beacon message;

or

– derived, with possible delays, from the LEOSAR system

Doppler processing.

The USCG receives data from international sources via

the USMCC. See the following table:

LIST OF COSPAS-SARSAT MCCs AND LEOLUTs

(Extracted from ANNEX 10 of the IMO GMDSS Master Plan)

Country

MCC LEOLUT

Location Designator Status Location Status Associated RCC

Algeria Algiers ALMCC Operational Ouargla Operational RCC Algiers

Argentina Ezeiza ARMCC Operational Parana

Rio Grande

Operational MRCC Puerto Belgrano

Australia Canberra AUMCC Operational Albany

Bundaberg

Operational RCC Australia

Brazil Brasilia BRMCC Operational Brasilia

Manaus

Recife

Under

development

Salvamar/Salvaero

Canada Trenton CMCC Operational Churchill

Edmonton

Goose Bay

Operational
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 24

Chile Santiago CHMCC Operational Easter Island

Punta Arenas

Santiago

Operational MRCC Chile

China Beijing CNMCC Operational Beijing Operational

France Toulouse FMCC Operational Toulouse Operational MRCC Gris Nez

MRCC La Garde

Hong Kong Hong Kong HKMCC Operational Hong Kong Operational MRCC Hong Kong

India Bangalore INMCC Operational Bangalore

Lucknow

Operational

Indonesia Jakarta IDMCC Operational Jakarta Operational RCC I; Soekarta-Hatta

Airport, Jakarta

RCC II; Djuanda

Airport, Suraybaya

RCC III; Hasanudin

Airport, Ujung Pandang

RCC IV; Frans Karseifo

Airport, Biak

Italy Bari ITMCC Operational Bari Operational MRCC Roma

ITDC1 Taipei TAMCC Operational Chi-lung

(Keelung)

Operational

Japan Tokyo JAMCC Operational Yokohama Operational RCC Otaru

RCC Shiogama

RCC Yokohama

RCC Nagoya

RCC Kobe

RCC Hiroshima

RCC Kitakyushu

RCC Maizuru

RCC Niigata

RCC Kagoshima

RCC Naha

Republic of

Korea

Taejon KOMCC Operational Taejon Operational RCC Inchon

RCC Kimpo

New

Zealand

Canberra2 AUMCC Operational Wellington Operational RCC Lower Hutt

Nigeria Abuja NIMCC Under

development

Abuja Under

development

Norway Bodø NMCC Operational Tromso

Spitzbergen

Operational MRCC Bodø

MRCC Stavanger

Pakistan Lahore PAMCC Under

development

Lahore Operational CAA Lahore

MSA Karachi

LIST OF COSPAS-SARSAT MCCs AND LEOLUTs

(Extracted from ANNEX 10 of the IMO GMDSS Master Plan)

Country

MCC LEOLUT

Location Designator Status Location Status Associated RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 25

Peru Callao PEMCC Operational Callao Operational MRCC Callao

Russian

Federation

Moscow CMC Operational Arkhangelsk Operational

Moscow3 Not

operational

Nakhodka Operational

Saudi

Arabia

Jiddah SAMCC Operational Jiddah Operational RCC Jiddah

Singapore Singapore SIMCC Operational Singapore Operational Singapore Port

Operations Control

Center

South

Africa

Cape Town ASMCC Operational Cape Town Operational

Spain Maspalomas SPMCC Operational Maspalomas Operational RCC Madrid

RCC Baleares

RCC Canarias

Thailand Bangkok THMCC Operational Bangkok Under

development

RCC Bangkok

United

Kingdom

Kinloss UKMCC Operational Combe Martin Operational MRCC Falmouth

ARCC Kinloss

United

States

Suitland USMCC Operational Alaska

California

Guam

Hawaii

Puerto Rico

Texas

Operational RCC Boston

RCC Norfolk

RCC Miami

RCC New Orleans

RSC San Juan

RCC Cleveland

RCC Seattle

RCC Honolulu

RSC Guam

RCC Juneau

RCC Alameda

Langley AFB, VA

Ft Richardson, AK

Vietnam VNMCC Haiphong Under

development

Haiphong Under

development

MRCC Vietnam

Notes:

1The International Telecommunication Development Corporation.

2 The NZ LUT is directly connected to the Australian MCC (AUMCC).

3 Out of operation from 15 October 2001 due to relocation.

LIST OF COSPAS-SARSAT MCCs AND LEOLUTs

(Extracted from ANNEX 10 of the IMO GMDSS Master Plan)

Country

MCC LEOLUT

Location Designator Status Location Status Associated RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 26

LIST OF COSPAS-SARSAT GEOLUTs

(Extracted from ANNEX 10 of the IMO GMDSS Master Plan)

Country

GEOLUT

Location Status

Argentina Ezeiza In operation, commissioned

Brazil Brasilia

Recife

In operation, commissioned

In operation, commissioned

Canada Trenton (1)

Trenton (2)

In operation, commissioned

In operation, commissioned

Chile Santiago In operation, commissioned

France Toulouse In operation1

India Bangalore In operation1

New Zealand Wellington (1)

Wellington (2)

In operation, commissioned

Under development

Spain Maspalomas (1)

Maspalomas (2)

In operation, commissioned

Under development

United Kingdom Combe Martin In operation, commissioned

Notes:

1 GEOLUTs have not been commissioned, however, alert data are used

operationally.
4 - 27

Cospas-Sarsat LEOLUTs - white area: 406 & 121.5 MHz coverage; gray: only 406 MHz coverage
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 28

400G. Global Maritime Distress and Safety

System (GMDSS)

The Global Maritime Distress and Safety System

(GMDSS) represents a significant improvement in marine

safety over the previous system of short range and high seas

radio transmissions. Its many parts include satellite as well as

advanced terrestrial communications systems. Operational

service of the GMDSS began on 1 February 1992, with full

implementation achieved on 1 February 1999.

The GMDSS was adopted by amendments in 1988 by

the Conference of Contracting Governments to the

International Convention for the Safety of Life at Sea

(SOLAS), 1974. The GMDSS offers the greatest

advancement in maritime safety since the enactment of

regulations following the Titanic disaster in 1912. It is an

automated ship-to-ship, shore-to-ship and ship-to-shore

system covering distress alerting and relay, the provision of

Maritime Safety Information (MSI) and basic

communication links. Satellite and advanced terrestrial

systems are incorporated into a modern communications

network to promote and improve safety of life and property

at sea throughout the world. The equipment required on

board ships will depend not on their tonnage, but rather on

the sea area in which the vessel operates. This is

fundamentally different from the previous system, which

based requirements on vessel size alone. The greatest

benefit of the GMDSS is that it vastly reduces the chances

of ships sinking without a trace and enables search and

rescue (SAR) operations to be launched without delay.

SHIP CARRIAGE REQUIREMENTS: By the terms of

the SOLAS Convention, the GMDSS provisions apply to

cargo ships of 300 gross tons and over and ships carrying

more than 12 passengers on international voyages. Unlike

previous shipboard carriage regulations that specified

equipment according to size of vessel, the GMDSS

carriage requirements stipulate equipment according to the

area the vessel operates in. These areas are designated as

follows:

– Sea Area A1 - An area within the radiotelephone

coverage of at least one VHF coast station in which

continuous Digital Selective Calling (DSC - a radio

receiver that performs distress alerting and safety calling

on HF, MF and VHF frequencies) is available, as may be

defined by a Contracting Government to the 1974

SOLAS Convention. This area extends from the coast to

about 20 miles offshore.

– Sea Area A2 - An area, excluding sea area A1, within the

radiotelephone coverage of at least one MF coast station

in which continuous DSC alerting is available, as may be

defined by a Contracting Government. The general area

is from the A1 limit out to about 100 miles offshore.

– Sea Area A3 - An area, excluding sea areas A1 and A2,

within the coverage of an Inmarsat geostationary satellite

in which continuous alerting is available. This area is

from about 70 ̊N to 70 ̊S.

– Sea Area A4 - All areas outside sea areas A1, A2 and

A3. This area includes the polar regions, where

geostationary satellite coverage is not available.

The GMDSS rules are found in subpart W of Part 80

(Code of Federal Regulations, Title 47, Part 80). Carriage

requirements for GMDSS radio equipment can be

summarized as follows:

– Sea Area A1 ships will carry VHF equipment and either

a satellite or VHF EPIRB.

– Sea Area A2 ships will carry VHF and MF equipment

and a satellite EPIRB.

– Sea Area A3 ships will carry VHF, MF, a satellite EPIRB

and either HF or satellite communication equipment.

– Sea Area A4 ships will carry VHF, MF and HF

equipment and a satellite EPIRB.

– All ships will carry equipment for receiving MSI

broadcasts and equipment for survival craft.

Ships at sea must be capable of the following functional

GMDSS requirements:

– Ship-to-shore distress alerting (by two independent

means, each using a different communication service).

– Shore-to-ship distress alerting.

– Ship-to-ship distress alerting.

– SAR coordination.

– On-scene communications.

– Transmission and receipt of emergency locating signals.

– Transmission and receipt of MSI.

– General radio communications.

– Bridge-to-bridge communications.

To meet the requirements of the functional areas above

the following is a list of the minimum communications

equipment needed for all ships:

– VHF radio capable of transmitting and receiving DSC on

channel 70 and radiotelephony on channels 6, 13, and 16.

– Radio receiver capable of maintaining a continuous DSC

watch on VHF channel 70.

– Search and rescue transponders (SART) (two on every

passenger vessel and cargo vessels of 500 gross tons and

over and at least one on every cargo vessel 300 gross tons

and over but less than 500 gross tons) operating in the 9

GHz band.

– Receiver capable of receiving NAVTEX broadcasts

anywhere NAVTEX service is available.

– Receiver capable of receiving either SafetyNET or HF

NBDP (if service is provided) anywhere NAVTEX is not

available.

– Satellite EPIRB capable of being activated manually or

float-free self-activated.

– Two-way hand held VHF radios (two sets minimum on

300-500 gross tons cargo vessels and three sets minimum

on cargo vessels of 500 gross tons and upward and on all

passenger ships).

Additionally, each sea area has its own requirements

under GMDSS which are as follows:

– Sea Area A1:

Vessels that operate only in Sea Area A1 must meet the

above requirements for all ships and the following:

– 1. General VHF radiotelephone capability.

– 2. Capability of initiating a distress alert from a

navigational position by using either:

– (a) VHF DSC; or

– (b) Category I 406 MHz EPIRB (this requirement

may be met by either installing the 406 MHz
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 29

EPIRB required for all ships near the navigational

position or by having remote activation

capability); or

– (c) MF DSC; or

– (d) HF DSC; or

– (e) an Inmarsat Ship Earth Station (SES).

– Sea Areas A1 and A2:

Vessels that operate in Sea Areas A1 and A2 must meet

the above requirements for all ships and the following:

– 1. An MF radio installation capable of distress and

safety communications from a navigational position

on:

– (a) 2187.5 kHz using DSC; and

– (b) 2187.5 kHz using radiotelephony.

– 2. Equipment capable of maintaining a continuous

DSC watch on 2187.5 kHz (may be combined with

MF installation in paragraph (1)(a) of this section, but

must have separate receiver).

– 3. Capability of initiating a distress alert from a

navigational position by using either:

– (a) Category I 406 MHz EPIRB (this requirement

may be met by installing the 406 MHz EPIRB

near the navigational position or by having remote

activation capability); or

– (b) HF DSC; or

– (c) an Inmarsat SES.

– 4. Capability of transmitting and receiving general

radio communications using radiotelephony or

direct-printing telegraphy by either:

– (a) an MF or HF radio installation operating on

working frequencies in the bands 1605-4000 kHz,

or 4000-27500 kHz (this capability may be added

to the MF installation in paragraph (1) of this

section); or

– (b) an Inmarsat SES.

– Sea Areas A1, A2 and A3:

Vessels that operate in Sea Areas A1, A2 and A3 must

meet the above requirements for all ships and either,

paragraphs (1) - (4) or (5) - (8) of the following:

– 1. An Inmarsat SES capable of:

– (a) transmitting and receiving distress and safety

communications by means of direct-printing

telegraphy;

– (b) transmitting and receiving distress priority

calls;

– (c) maintaining watch for shore-to-ship distress

alerts including those directed to specifically

defined geographical areas;

– (d) transmitting and receiving general radio

communications using either radiotelephony or

direct-printing telegraphy.

– 2. An MF radio installation capable of distress and

safety communications on:

– (a) 2187.5 kHz using DSC;

– (b) 2187.5 kHz using radiotelephony.

– 3. Equipment capable of maintaining a continuous

DSC watch on 2187.5 kHz (may be combined with

MF installation in paragraph (2)(a) of this section, but

must have separate receiver).

– 4. Capability of initiating a distress alert by either of

the following:

– (a) Category I 406 MHz EPIRB (this requirement

may be met by installing the 406 MHz EPIRB

near the navigational position or by having remote

activation capability); or

– (b) HF DSC; or

– (c) an Inmarsat SES.

– 5. An MF/HF radio installation capable of transmitting

and receiving on all distress and safety frequencies in

the bands between 1605-27500 kHz using DSC,

radiotelephony, and narrow-band direct-printing

telegraphy.

– 6. Equipment capable of maintaining DSC watch on

2187.5 kHz, 8414.5 kHz and on at least one of the

distress and safety DSC frequencies 4207.5 kHz, 6312

kHz, 12577 kHz, or 16804.5 kHz, although it must be

possible to select any of these DSC distress and safety

frequencies at any time (the watch-maintaining

receiver may be separate from or combined with the

MF/HF installation in paragraph (5) of this section).

– 7. Capability of initiating a distress alert by either of

the following:

– (a) Category I 406 MHz EPIRB (this requirement

may be met by installing the 406 MHz EPIRB

near the navigational position or by having remote

activation capability); or

– (b) a separate Inmarsat SES.

– 8. Capability of transmitting and receiving general

radio communications using radiotelephony or

direct-printing telegraphy by an MF/HF radio

installation operating on working frequencies in the

bands 1605-4000 kHz and 4000-27500 kHz (this

capability may be added to the MF/HF installation in

paragraph (5) of this section).

NOTE: It must be possible to initiate transmission of

distress alerts by the radio installations specified in

paragraphs (1), (2), (4), (5), and (7) of this section from

the position from which the ship is normally navigated.

– Sea Areas A1, A2, A3 and A4:

Vessels that operate in Sea Areas A1, A2, A3 and A4

must meet the above requirements for all ships and the

following:

– 1. An MF/HF radio installation capable of transmitting

and receiving on all distress and safety frequencies in

the bands between 1605-27500 kHz using DSC,

radiotelephony, and narrow-band direct-printing

telegraphy.

– 2. Equipment capable of maintaining DSC watch on

2187.5 kHz, 8414.5 kHz and on at least one of the

distress and safety DSC frequencies 4207.5 kHz, 6312

kHz, 12577 kHz, or 16804.5 kHz, although it must be

possible to select any of these DSC distress and safety

frequencies at any time (the watch-maintaining

receiver may be separate from or combined with the

MF/HF installation in paragraph (1) of this section).

– 3. Capability of initiating a distress alert by both of the

following:

– (a) Category I 406 MHz EPIRB (this requirement

may be met by installing the 406 MHz EPIRB
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 30

near the navigational position or by having remote

activation capability); and

– (b) the MF/HF installation using DSC on any of

the above DSC distress alerting frequencies. It

must be possible to initiate the distress alert by

this means from the position from which the ship

is normally navigated.

– 4. Capability of transmitting and receiving general

radio communications using radiotelephony and

direct-printing telegraphy by an MF/HF radio

installation operating on working frequencies in the

bands 1605-4000 kHz and 4000-27500 kHz (this

capability may be added to the MF/HF installation in

paragraph (1) of this section).

GMDSS information, provided by the U.S. Coast Guard

Navigation Center, is internet accessible through the World

Wide Web at:

http://www.navcen.uscg.gov/marcomms/default.htm

The information available includes worldwide NAVTEX

and Inmarsat SafetyNET schedules, U.S. NAVTEX service

areas, U.S. SAR areas, status of shore-side

implementation, regulatory information, NAVAREA chart,

HF narrow band direct printing and radiotelephone

channels used for distress and safety calling, information

on GMDSS coast stations, AMVER and International Ice

Patrol information, information concerning radiofacsimile

and other maritime safety broadcasts, and digital selective

calling information.

400H. The Inmarsat System

Inmarsat, a limited private company of more than 600

partners worldwide, is an important element within

GMDSS providing maritime safety communications for

ships at sea. In accordance with its convention, Inmarsat

provides the space segment necessary for improving

distress communications, efficiency and management of

ships, and maritime correspondence services.

The basic components of the Inmarsat system include

the Inmarsat space segment, Land Earth Stations (LESs),

and mobile Ship Earth Stations (SESs).

The Inmarsat space segment is comprised of four

communications satellites in geostationary orbit that

provide primary coverage. Five additional satellites in orbit

serve as spares.

The higher polar regions are not visible to the

operational satellites and coverage is available between

70 ̊N and 70 ̊S. Satellite coverage is divided into four

ocean regions, which are:

– Atlantic Ocean Region - East (AOR-E).

– Atlantic Ocean Region - West (AOR -W).

– Pacific Ocean Region (POR).

– Indian Ocean Region (IOR).

The LESs provide the interface between the satellite

network and the public switched telephone network

(PSTN), public data network (PDN), and various private

line services. These networks link registered information

providers to the LES. The data then travels from the LES to

the Inmarsat Network Coordination Station (NCS) and

then down to the SESs on ships at sea. Communications

between the LES and the Inmarsat satellite are in the 6

GHz band (C-band). The satellite routes ship to shore

traffic to the LES in the 4 GHz band (C-band). The SESs

provide two-way communications between ship and shore.

Communications between the SES and the satellite are in

the 1.6 GHz band (L-band), while the satellite routes shore

to ship traffic to the SES in the 1.5 GHz band (L-band).

Inmarsat provides four satellite communications

systems:

– Inmarsat-A, the original Inmarsat system, operates at a

transfer rate of up to 9600 bits per second and provides

two-way direct-dial phone, telex, facsimile (fax),

electronic mail and data communications. Although

Inmarsat-A is approved for fitting in ships as part of their

GMDSS equipment, it is not mandatory and does not

contribute any unique functionality that is not also

provided by other equipment in the full GMDSS suite.

NOTE: The scheduled withdrawal of Inmarsat-A

services will take effect on 31 December 2007.

– The Inmarsat-B system also provides two-way

direct-dial phone, telex, fax and data communications at

a transfer rate of up to 9600 bits per second, but uses

digital technology to provide high quality, reliable and

cost effective communication services.

– Inmarsat-C provides a store and forward data messaging

capability (but no voice) at 600 bits per second, and is

qualified by the IMO to comply with the GMDSS

requirements for receiving MSI data on board ship.

Various equipment manufacturers produce this type of

SES, which is small, lightweight, and utilizes an

omnidirectional antenna.

– Inmarsat Fleet F77 is a fully integrated satellite

communication service incorporating voice and data

applications. It meets the latest distress and safety

requirements, as specified in IMO Resolution A.888

(21), for voice pre-emption and prioritization within the

GMDSS. Inmarsat Fleet F77 recognizes four levels of

priority:

– distress,

– urgency,

– safety, and

– other routine communications

and provides access to emergency communications in

both ship-to-shore and shore-to-ship directions for

distress, urgency and safety traffic originated by RCCs or

other SAR authorities.

NOTE: Inmarsat-A and -B terminals are used for voice

and high speed data capability. These terminals must be

used in conjunction with a SafetyNET receiver or an

Inmarsat-C transceiver. The Inmarsat-C/A and -C/B is the

preferred combination for the following reasons:

– A satellite-option vessel must have a transmit capability

on either Inmarsat-C/A or -C/B. If the vessel is

Inmarsat-A or -B equipped, then the Inmarsat-C provides

redundancy.

– The USCG and the National Weather Service strongly

encourage vessels which participate in the voluntary

AMVER position reporting and weather observing

programs to equip with Inmarsat-C since its data
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 31

reporting capability enables a much less costly report

than does the Inmarsat-A or -B, or HF radioteletype

formats. These voluntary ship reports will be accepted by

the government at no cost to the ship. The data reporting

service is also available at very low cost for other brief

reports which can be compressed to 32 bytes of data or

less.

– Redundancy in selective equipment is not only very

desirable but, under GMDSS rules, gives the vessel

greater options in how GMDSS equipment is

maintained. Ship owners/operators must generally

provide shore-based maintenance, onboard maintenance,

and limited equipment duplication.

– Vessels are tracked automatically when a navigation

receiver is connected to an Inmarsat terminal by

programming an automatic transmission of ship position

at specified times or by random polling from shore. This

is done with the owner/operator’s permission. When a

navigation receiver is available, it should be connected to

the Inmarsat-C, since the Coast Guard distress alerts are

broadcast to all ships within a specified distance from a

distress scene. The Inmarsat-C processor will print the

alert if the ship’s position is within the specified area.

Alternatively, the ship’s position must be entered

manually every four hours to facilitate this safety service.

If a ship will accommodate an Inmarsat-C or

SafetyNET receiver in addition to an Inmarsat-A or -B

receiver, the separate omnidirectional antenna should be

used rather than the stabilized, tracking antenna of the

Inmarsat-A or -B. The reason for this is to have a

completely separate system in case of an Inmarsat-A or -B

antenna failure. There is also a primary designated satellite

for SafetyNET broadcasts in each of 16 NAVAREAs

worldwide, and the Inmarsat-C should guard that

designated satellite when in areas of overlapping coverage

(i.e., the Inmarsat-C can track the satellite designated for

MSI broadcasts and the Inmarsat-A or -B can track the

other satellite, if preferred). Ships with both Inmarsat -A/B

and -C terminals should designate one as the primary

GMDSS terminal. In most cases the Inmarsat-C will be

selected to minimize the emergency power requirements.

INMARSAT SERVICES: Enhanced Group Call (EGC)

is a message broadcast service within the Inmarsat-C

Communications System. It allows terrestrial registered

information providers to pass messages or data to mobile

Enhanced Group Call (EGC) receivers, class 2 or class 3

SESs, or Inmarsat-A and Inmarsat-B SESs equipped with

EGC receivers. EGC messages are sent to the LES by

registered shore-based information providers using

terrestrial facilities, such as Telex. The messages are

processed at the LES and forwarded to a Network

Coordination Station (NCS) which transmits them on an

NCS common channel. There are two basic services

offered by EGC: SafetyNET and FleetNET. SafetyNET is

a service provided primarily for the dissemination of MSI,

such as ship to shore distress alerts, weather forecasts, and

coastal warnings. FleetNET is a commercial

communication service which allows registered terrestrial

information providers to send messages to predefined

groups of subscribers (see EGC Receiver Addressing).

INMARSAT SES CAPABILITY: An EGC receiver is

defined as a single channel receiver with a dedicated

message processor. SES classes 2 and 3 provide an EGC

capability in addition to shore to ship and ship to shore

messaging capabilities. The mandatory capabilities of an

EGC receiver are defined as:

– Continuous reception of an NCS common channel and

processing the information according to EGC protocol.

– Automatic recognition of messages directed to a fixed

geographic area, and service codes as selected by the

receiver operator.

Additional optional capabilities are required for the

reception of FleetNET:

– Automatic recognition of uniquely addressed messages

directed to a particular receiver.

– Automatic recognition of messages directed to a group to

which the receiver operator subscribes.

– Automatic response to group ID updates directed to that

EGC receiver, adding or deleting group IDs as

commanded.

The EGC receiver shall be capable of being tuned to any

channel in the band 1530.0 MHz to 1545.0 MHz in

increments of 5 kHz. The EGC receiver shall be equipped

with facilities for storing up to 20 NCS channel numbers.

Four of these will be permanently assigned global beam

frequencies, which are:

These four numbers shall be stored in ROM and shall not

be alterable. The remaining list of NCS Common Channel

Frequencies (approximately 16 valid) will be published by

Inmarsat and assigned as expansion common channels.

These shall be held in non-volatile but alterable storage,

and be capable of operator alteration in the event that

Inmarsat decides to update the frequency plan by adding,

deleting, or changing allocations.

MESSAGE PROCESSING: Message processing will be

based on the header field. For messages with a double

header, the two packets must be regarded as a single

message and will not be printed until completely received,

even in the case of multipacket messages. Acceptance or

rejection of service code-types shall be under operator

control with the following exceptions:

– Receivers shall always receive navigational warnings,

meteorological warnings, SAR information, and

shore-to-ship distress alerts (which are directed by the

geographical area within which the receiver is

positioned).

– Unique and group identities shall not be programmable.

EGC RECEIVER ADDRESSING: The five basic

methods of addressing EGC receivers are:

– All ships call - urgent marine information.

– Inmarsat System message addressing - receives

messages according to type and priority.

NCS NCS Common Channel

Channel No.

Frequency

AOR-W 11080 1537.7 MHz

AOR-E 12580 1541.45 MHz

POR 12580 1541.45 MHz

IOR 10840 1537.1 MHz
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 32
4 - 33

COVERAGE OF INMARSAT SATELLITES IN RELATION TO THE EXISTING NAV/MET AREAS
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 34

– Group addressing - FleetNET, group ID stored within

receiver, which is accessible only by RF path.

– Unique addressing - FleetNET, allocated by Inmarsat.

– Geographic addressing - messages sent by ship’s

position.

NOTE: The type of address used in the header of an

EGC packet is uniquely determined by the service code

field.

Both FleetNET and SafetyNET services make use of a

flexible addressing technique to allow the reception of

messages from a variety of service providers depending on

the particular requirements of the user. The SafetyNET

service utilizes geographic area addressing technique to

direct messages to ships within a defined boundary.

The FleetNET service employs closer user group and

unique receiver addressing to provide secure transmission

of a message from the registered terrestrial information

provider to the desired recipient(s) (See sec. 400I.).

MESSAGE SEQUENCING: All messages will be

transmitted with a unique sequence number and originating

LES ID. Each subsequent transmission of the message will

contain the original sequence number. When a message has

been received error-free and a permanent record made, the

unique 16 bit sequence number, the LES ID, and the

service code field associated with that message are stored

in memory and the information used to inhibit the printing

of repeated transmissions of the same message. The EGC

receiver should be capable of internally storing at least 255

such message identifications. These message

identifications should be stored with an indication of the

number of hours that have elapsed since the message was

received. Subsequent reception of the same message

identification shall reset the timer. After between 60 and 72

hours, message identifications may automatically erase. If

the number of received message identifications exceeds the

capacity of memory allocated for the store, the oldest

message identification may be erased.

TEXT PARAMETERS: For the EGC service, the

International Reference Version of the International

Alphabet, as defined in the Consultative Committee on

International Telephony and Telegraphy (CCITT) Red

Book Rec. T.50, is used. Characters are coded as eight bits

using odd parity. Other character sets according to

International Standards Organization (ISO) 2022 or

CCITT Red Book Rec. T.61 are used optionally for certain

services. Inmarsat recommends that EGC equipment

capable of receiving messages composed using

International Telegraph Alphabet No. 2 do not make use of

national options for Numbers 6, 7, and 8 in figure case to

avoid varying interpretations in the Inmarsat-C System.

ERROR DETECTION: The EGC message will employ

three levels of error detection:

– An arithmetic checksum is used to detect packet errors.

– An arithmetic checksum is used to detect header errors.

– Parity checking is used to indicate character errors in the

information field.

Only packets with header fields received without error

shall be processed for local message recording (even if the

packet itself contains an error). In the case of double

header messages the message may be processed (even if

one header has been received correctly). A parity check on

all incoming characters shall be performed, and in the

event of a parity error in a received character, the “low

line” character shall be displayed and/or printed. Outputs

for multi-packet messages which have been received

incomplete should provide a positive indication of the

position of the missed packet(s). Subsequent receptions of

messages printed with mutilated characters shall be output

again until received error-free.

DISTRESS PRIORITY MESSAGES: Receipt of a valid

distress or urgency priority message will cause the receiver

to give an audible alarm. Provision shall be made to extend

this alarm to the station from which the ship is normally

navigated or other remote stations. This alarm should be

reset in manual mode only.

MESSAGE OUTPUT: Inmarsat recommends that the

EGC receiver have a printer. The display or printer, if

fitted, must be capable of presenting at least 40 characters

per line of text. The EGC receiver should ensure that if a

word cannot be accommodated in full on its line, it shall be

transferred to the next line. Where a printer is fitted, a local

low paper audible alarm should be installed to give

advance warning of a low paper condition. This alarm

should be of a different pitch/tone so as not to confuse this

alarm with that of the distress alarm. All SafetyNET

messages shall be annotated with the time (UTC) and date

received. This information shall be displayed or printed

with the message.

NOTE: The time can be deduced from the frame count.

OPERATOR CONTROLS: The following control

functions and displays shall be provided as a minimum

indication of EGC carrier frame synchronization (or loss of

synchronization):

– Selection of an EGC carrier frequency.

– Means of inputting ship’s position, current NAVAREA,

or current NAVTEX service coverage area.

Receivers shall be fitted with the operator controls to

allow the operator to select the desired geographic area and

message categories as previously described (see THE

INMARSAT SYSTEM, INMARSAT SES CAPABILITY,

and EGC RECEIVER ADDRESSING).

NAVIGATIONAL INTERFACE: In order that a

receiver’s position be automatically updated for

geographically addressed messages, SOLAS requires that

Inmarsat-C equipment have an integral navigation receiver

or be externally connected to a satellite navigation receiver.

A suggested standard interface is National Marine

Electronics Association (NMEA) 0183 Standard for

Interfacing Electronic Marine Navigational Devices.

400I. The SafetyNET System

SafetyNET is a service of Inmarsat-C’s Enhanced Group

Call (EGC) system. The EGC system is a method used to

specifically address particular regions or ships. Its unique

addressing capabilities allow messages to be sent to all

vessels in both fixed geographical areas or to

predetermined groups of ships. SafetyNET is the service

designated by the IMO through which ships receive

Maritime Safety Information.
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 35

SafetyNET is an international direct-printing

satellite-based service for the promulgation of navigational

and meteorological warnings, distress alerts, forecasts, and

other safety messages. It fulfills an integral role in GMDSS

as developed by the IMO. The ability to receive SafetyNET

service information will be generally necessary for all

ships that sail beyond coverage of NAVTEX

(approximately 200 miles offshore) and is recommended to

all administrations having the responsibility for marine

affairs and mariners who require effective MSI service in

waters not served by NAVTEX.

SafetyNET can direct a message to a given geographic

area based on EGC addressing. The area may be fixed, as

in the case of a NAVAREA or weather forecast area, or it

may be uniquely defined by the originator. This is

particularly useful for messages such as local storm

warnings or a shore-to-ship distress alerts for which it

would be inappropriate to alert ships in an entire ocean

region.

SafetyNET messages can be originated by a Registered

Information Provider anywhere in the world and broadcast

to the appropriate ocean area through an Inmarsat-C LES.

Messages are broadcast according to their priority

(Distress, Urgency, Safety, or Routine).

Virtually all navigable waters of the world are covered

by the operational satellites in the Inmarsat System. Each

satellite broadcasts EGC traffic on a designated channel.

Any ship sailing within the coverage area of an Inmarsat

satellite will be able to receive all the SafetyNET messages

broadcast over this channel. The EGC channel is optimized

to enable the signal to be monitored by SESs that are

dedicated to the reception of EGC messages. This

capability can be built into other standard SESs. It is a

feature of satellite communications that reception is not

generally affected by the position of the ship within the

ocean region, atmospheric conditions, or time of the day.

Messages can be transmitted either to geographic areas

(area calls) or to groups of ships (group calls):

– Area calls can be to a fixed geographic area, such as one

of the 16 NAVAREAs, or to a temporary geographic area

selected by the originator. Area calls will be received

automatically by any ship whose receiver has been set to

one or more fixed areas or recognizes a temporary area

by geographic position.

– Group calls will be received automatically by any ship

whose receiver acknowledges the unique group identity

associated with a particular message.

Reliable delivery of messages is ensured by forward

error correction techniques. Experience has demonstrated

that the transmission link is generally error-free and low

error reception is achieved under normal circumstances.

Given the vast ocean coverage by satellite, some form of

discrimination and selectivity in printing the various

messages is required. Area calls will be received by all

ships within the ocean region coverage of the satellite;

however, they will be printed only by those receivers that

recognize the fixed area or the geographic position in the

message. The message format includes a preamble that

enables the microprocessor in a ship’s receiver to decide to

print those MSI messages that relate to the present

position, intended route, or a fixed area programmed by the

operator (See sec. 400H: THE INMARSAT SYSTEM;

OPERATOR CONTROLS.). This preamble also allows

suppression of certain types of MSI that are not relevant to

a particular ship. As each message will also have a unique

identity, the reprinting of messages already received

correctly is automatically suppressed.

MSI is promulgated by various information providers

around the world. Messages for transmission through the

SafetyNET service will, in many cases, be the result of

coordination between authorities. Information providers

will be authorized to broadcast through SafetyNET by

IMO. Authorized information providers are:

– National hydrographic offices for navigational warnings.

– National weather services for meteorological warnings

and forecasts.

– RCCs for shore-to-ship distress alerts and other urgent

information.

– International Ice Patrol for North Atlantic ice hazards.

Each information provider prepares their SafetyNET

messages with certain characteristics recognized by the

EGC service. These characteristics, known as “C” codes,

are combined into a generalized message header format as

follows: C1:C2:C3:C4:C5. Each “C” code controls a

different broadcast criterion and is assigned a numerical

value according to available options. A sixth “C” code,

“C0,” may be used to indicate the ocean region (e.g.,

AOR-E, AOR-W, POR, IOR) when sending a message to

an LES that operates in more than one ocean region.

Because errors in the header format of a message may

prevent its being released, MSI providers must install an

Inmarsat SafetyNET receiver to monitor the broadcasts it

originates. This also ensures quality control.

The “C” codes are transparent to the mariner but are

used by information providers to identify various

transmitting parameters. C1 designates the message

priority from distress to urgency, safety, and routine. MSI

messages will always be at least at the safety level. C2 is

the service code or type of message (for example, long

range NAVAREA warning or coastal NAVTEX warning).

It also tells the receiver the length of the address (the C3

code) it will need to decode. C3 is the is the address code.

It can be the two digit code for the NAVAREA number for

instance, or a 10 digit number to indicate a circular area for

a meteorological warning. C4 is the repetition code that

instructs the LES in how long and when to send the

message to the NCS for actual broadcast. A six minute

echo (repeat) may also be used to ensure that an urgency

(unscheduled) message has been received by all ships

affected. C5 is a constant and represents a presentation

code, International Alphabet number 5, “00.”

Broadcasts of MSI in the international SafetyNET

service are in English. The different types of MSI

broadcast over the SafetyNET service include:

– Coastal warnings (broadcast to areas where NAVTEX

MSI is not provided):

– Navigational and meteorological warnings;

– Ice reports;

– Search and rescue information;
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 36
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 37

STATUS OF MARITME SAFETY INFORMATION BROADCASTS

INTERNATIONAL SafetyNET SERVICE

NAVAREA/

METAREA

NAV

WARNINGS

MET

FORECASTS &

WARNINGS

SAR

ALERTS

OCEAN REGION

FOR SCHEDULED

BROADCASTS

I (UK) X X X AOR-E

II (France) X X X AOR-E + AOR-W

III (Spain/Greece) X X X AOR-E

IV (USA) X X X AOR-W

V (Brazil) X X X AOR-E

VI (Argentina) X X X AOR-W

VII (South Africa) X X X AOR-E + IOR

VIII (India/Mauritius/La Reunion) X X (Note 3) X IOR

IX (Pakistan) X X X IOR

X (Australia) X X X IOR + POR

XI (Japan/China) X X X IOR + POR

XII (USA) X X X POR + AOR-W

XIII (Russian Federation) X X X POR

XIV (New Zealand) X X X POR

XV (Chile) X X X AOR-W

XVI (Peru/USA) X X X AOR-W

Notes:

1. X = Full Service now available

2. IMO has decided that routine broadcasts of navigational warnings and meteorological forecasts will be made at

scheduled times over a single nominated satellite for each NAVAREA/METAREA. Unscheduled broadcasts of

SAR Alert Relays and severe weather warnings will be made over all satellites which serve the area concerned. See

the Inmarsat Maritime Communications Handbook for further guidance.

3. India provides meteorological forecasts and warnings for METAREA VIII north of the equator through LES

Arvi (IOR). Mauritius/La Reunion provide meteorological forecasts and warnings for METAREA VIII south of the

equator through LES Burum, Station 12 (IOR).
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

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– Meteorological forecasts;

– Pilot service messages;

– DECCA, LORAN and SATNAV system messages;

– Other electronic navaid messages;

– Additional navigational messages.

– Meteorological and NAVAREA warnings and

meteorological forecasts to ships within specified

NAVAREAs/METAREAs.

– Search and rescue coordination to fixed areas.

– Search and rescue coordination to ships within specified

circular areas.

– Urgency messages, meteorological and navigational

warnings to ships within specified circular areas.

– Shore-to-ship distress alerts to ships within specified

circular areas.

– Urgency messages and navigational warnings to ships

within specified rectangular.

MSI messages are generally broadcast with a key word

in their header indicating the priority of the message, i.e.,

Distress or MAYDAY for Priority 3, URGENCY or PAN

PAN for Priority 2, and SAFETY or SECURITE for

Priority 1.

In order to avoid excessive duplication of MSI

broadcasts, the IMO has authorized the following

arrangements:

– For a given NAVAREA/METAREA which is covered by

more than one ocean region satellite, scheduled

broadcasts of MSI, such as navigational warnings and

meteorological information, are made only through a

single nominated satellite/ocean region.

– For a NAVAREA/METAREA which is covered by more

than one ocean region satellite, unscheduled broadcasts

of MSI, such as gale warnings and distress alert relays,

are made through all satellites/ocean regions which cover

the area concerned.

SOLAS-compliant vessels must meet the following

requirements for receiving MSI broadcasts:

– Watch-keeping - every ship, while at sea, shall maintain

a radio watch for broadcasts of Maritime Safety

Information on the appropriate frequency or frequencies

on which such information is broadcast for the area in

which the ship is navigating.

– Logging messages - a written record shall be kept in the

radio log of the time and identity of all safety messages

received. A printed copy shall be kept of the text of all

distress traffic.

In addition to these mandatory requirements, the IMO

recommends that all current navigational and

meteorological messages be retained on the bridge, for as

long as they are applicable, for the use of the person in

charge of the navigational watch.

It is recommended that the EGC receiver be updated at

least every four hours with the ship’s position for the

following reasons:

– To decide if the receiver should print a message which it

has received addressed to a specific geographic area;

– To print only messages for the required areas (if the

ship’s position has not been updated for 12 or 24 hours,

the receiver will automatically print or store all

geographically addressed messages within the entire

ocean region);

– To ensure that the correct position is given if a distress

alert has to be sent.

SOLAS regulations now require that Inmarsat-C

equipment have an integral satellite navigation receiver, or

be externally connected to a satellite navigation receiver,

i.e., a GPS receiver.

Although an EGC receiver will receive and can print all

SafetyNET broadcasts made throughout an entire ocean

region, many messages may not be useful to a ship, i.e.,

those applicable to NAVAREAs beyond the ship’s planned

voyage, or those on subjects not relevant to the ship’s

circumstances. Every receiver is supplied with software

that stores the geographical boundaries of the NAVAREAs:

it can be programmed to print only essential messages

applicable to the current area, in addition to any other areas

programmed by the operator, and to reject all other

messages. The receiver is unable to reject “all ship”

messages, such as shore-to-ship distress alerts and

MET/NAV warnings.

Under SOLAS requirements, it is mandatory for vessels

to receive the following types of SafetyNET MSI

messages:

– Shore-to-ship distress alert relays for the current

NAVAREA;

– Navigational warnings for the current NAVAREA;

– Meteorological warnings for the current METAREA.

If the ship’s EGC receiver does not automatically select

these mandatory message types, the operator must program

the receiver manually.

In addition, the IMO recommends a ship’s EGC receiver

be programmed to receive the following messages:

– Meteorological forecasts;

– MSI for any other NAVAREAs in which the ship is

expected to sail.

The transmission schedule for the full GMDSS service

broadcasts of routine weather bulletins (including

warnings) and navigational warnings for the high seas is

given in Tables I and II for the different ocean areas

(extracted from ANNEX 8 of the IMO GMDSS Master

Plan). The actual ocean region satellites through which

these bulletins and warnings are transmitted are also

indicated.
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

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TABLE I - GMDSS TRANSMISSION SCHEDULE FOR INTERNATIONAL SAFETYNET

SERVICE BROADCASTS OF ROUTINE WEATHER BULLETINS

NAV/MET

AREA

Issuing

Country

LES Broadcast Schedule

(UTC)

Ocean Region

Satellite

I United Kingdom Goonhilly 0930, 2130 AOR-E

II France Aussaguel 0900, 2100 AOR-E/AOR-W

III Greece1 Thermopylae 1000, 2200 AOR-E

IV United States Southbury 0430, 1030, 1630, 2230 AOR-W

V Brazil Tangua 0730, 1930 AOR-E

VI Argentina Southbury 0230, 1730 AOR-W

VII South Africa Burum 0940, 1940 AOR-E/IOR2

VIII India Arvi 0900, 1800 (N of 0 ̊) IOR

Mauritius/La Reunion Aussaguel 0130, 1330 (S of 0 ̊)

00003, 06003, 12003, 18003 (S of 0 ̊)

IOR

IX Pakistan Perth 0700 IOR

X Australia Perth 1030, 2330 IOR

1100, 2300

02104, 06454, 13004, 19504 (Bass

Strait)5

0815, 2015 (Northern Territory)6

POR

0800, 2000 (Western Australia)7 IOR

XI China Beijing 0330, 1015, 1530, 2215 IOR

Japan8 Yamaguchi 0230, 0830, 1430, 2030 (N of 0 ̊)

0815, 2015 (S of 0 ̊)

POR

XII United States Southbury/Santa Paula 0545, 1145, 1745, 2345 AOR-W/POR

XIII Russian Federation Eik 0930, 2130 POR

XIV New Zealand Albany (Auckland) 0930, 2130

0130, 1330 (NZ coast only)

0330, 1530 (warnings only)

POR

XV Chile Southbury 1845 AOR-W

XVI United States Southbury 0515, 1115, 1715, 2315 AOR-W

1 Scheduled bulletins and warnings for the western Mediterranean Sea are prepared by France.

2 Forecast for area 30 ̊S-50 ̊S / 50 ̊E-80 ̊E and tropical cyclone warnings are prepared by La Reunion.

3 Tropical Cyclone warnings, if any, issued by La Reunion as unscheduled broadcasts.

4 1 hour earlier during Australian Eastern Daylight Saving Time.

5 Coastal warnings and forecasts transmitted only to SafetyNET Coastal Area D in NAVAREA X.

6 Coastal warnings and forecasts transmitted only to SafetyNET Coastal Areas G and H in NAVAREA X.

7 Coastal warnings and forecasts transmitted only to SafetyNET Coastal Areas F and G in NAVAREA X.

8 Scheduled bulletins and warnings for south of the equator prepared by Australia.
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

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TABLE II - GMDSS TRANSMISSION SCHEDULE FOR INTERNATIONAL SAFETYNET

SERVICE BROADCASTS OF NAVAREA WARNINGS

NAV/MET

AREA

Coordinator LES Broadcast Schedule

(UTC)

Ocean Region

Satellite

I United Kingdom Goonhilly 1730 & as appropriate AOR-E

II France Aussaguel 1630 AOR-E

III Spain Thermopylae 1200, 2400 & on receipt AOR-E

IV United States Southbury 1000, 2200 AOR-W

French Antilles (C1) 0900, 2100

French Guiana (A1)

V Brazil Tangua 0400, 1230 AOR-E

French Guiana (A1) Southbury 0900, 2100

VI Argentina Southbury 0200, 1400 AOR-W

VII South Africa Burum 1940 AOR-E/IOR

La Reunion (D1) Aussaguel 0040, 1240 IOR

Mayotte (V1) 0330, 1530

Kerguelen (K1) 0140, 1340

VIII India Arvi 1000 IOR

La Reunion (D1) Aussaguel 0040, 1240 IOR

Mayotte (V1) 0330, 1530

IX Pakistan Perth 0800 IOR

X Australia Perth 0700, 1900 & on receipt IOR/POR2

New Caledonia (N1) Southbury 0140, 1340 POR

XI Japan Beijing/Yamaguchi 0005, 0805, 1205 IOR/POR

XII United States Southbury/Santa Paula 1030, 2230 AOR-W/POR

XIII Russian Federation Eik 0930, 2130 POR

XIV New Zealand Albany (Auckland) On receipt & every 12 hrs. POR

New Caledonia (N1) Southbury 0140, 1340 POR

Wallis and Futuna (D1) 0030, 1230

French Polynesia (R1) 0250, 1450

XV Chile Southbury 0210, 1410, 2210 AOR-W

XVI Peru Southbury 0519, 1119, 1719, 2319 AOR-W

1 Coastal area code for Coastal Warnings.

2 NAVAREA X Warnings and Australian Coastal Warnings (coastal area codes A to H).
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

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400J. Inmarsat-C SES Maintenance

The USCG has issued the following Safety Alert

concerning the loss of Inmarsat-C safety messages. This

advisory notifies users of Inmarsat-C Ship Earth Stations

(SESs) that urgent marine information, weather warning

and navigational warning broadcast messages,

distress-related messages, as well as routine messages may

be lost if a printer is not connected to and maintained with

the Inmarsat-C terminal, or if floppy drive maintenance is

not regularly performed on the terminal. Additionally,

certain non-GMDSS-approved software (i.e.,

windows-based software) may freeze up if this

maintenance is not performed.

All GMDSS versions of Inmarsat-C have approved data

terminal equipment (DTE) that interfaces with the user.

DTE generally refers to the computer and screen,

keyboard, and printer (or user interface). These terminals

are required to use only Inmarsat approved hardware and

software. However, users need to understand that proper

usage and housekeeping maintenance of the equipment is

essential to ensure optimum user availability.

To avoid problems, and to ensure that unnecessary and

irrelevant messages are not received, the recommended

operating procedures in the manufacturer’s equipment

operating handbook and the below procedures should be

followed:

MESSAGE/ARCHIVE LOG: All ingoing and outgoing

messages are recorded on a disk in special log files. Each

log file may hold a limited number of messages (limited by

disk size or PC storage capacity). When the free disk space

falls below a certain size, the terminal will display an error

message asking to insert an empty disk. A new

message/archive log file will then be generated on the new

disk.

DISK DIRECTORY: If so configured, ingoing and

outgoing messages (OUT.xxx, IN.xxx, EGC.xxx) can be

stored on a disk (this is different than the message/archive

log), where they can be viewed, erased, printed, and copied

to different directories. On some models the directory

shows the number of files (messages) stored on the

disk/directory and this number is limited to 112 files

(messages) regardless of the free space left. If the disk

already holds 112 messages, you will not be able to store

any more messages. When the disk is full, use the

“erase/delete” command to delete unwanted files and

create free space for new messages.

MESSAGE ROUTING: Check the message routing

option on the terminal. Incoming mail should be routed to

at least one of the output media—disk or printer. Enhanced

Group Call (EGC) SafetyNET messages with Urgency and

Distress priority will be printed out automatically, if a

printer is fitted. EGC SafetyNET messages with Safety

priority can be printed out (user option), otherwise they

will be stored on the disk. EGC FleetNET messages can be

printed out (user option), otherwise they will be stored on

the disk. If the Inmarsat-C is connected to a separate PC, a

path for saving incoming and outgoing mail and EGC

messages should be inserted/specified per the

manufacturer’s handbook.

EGC SAFETYNET SET UP: Ensure that you are logged

into the appropriate satellite for the scheduled maritime

safety information (MSI) that you wish to receive.

Otherwise log in to the satellite that broadcasts the MSI for

your required area of operation. Timetables of broadcast

and nominated satellites can be found in various

national/international publications, such as Pub. 117,

Radio Navigational Aids (See Tables I and II in sec. 400I.),

the IMO GMDSS Master Plan (GMDSS/Circ.8), or the

Admiralty List of Radio Signals, Volume 5. Ensure that

your position (Lat/Long) on the SES position screen is

valid. Otherwise you will receive and print ALL EGC

SafetyNET messages broadcast via the satellite. If

automatic position updating is not available, it is essential

to manually update the position on a regular basis, i.e.,

every 4 hours. Instructions for doing this are in the

manufacturer’s handbook.

If properly set up, your SES will automatically receive

all relevant NAVAREA/METAREA and other maritime

safety information addressed to the area where you are in.

If you require additional information for adjacent area(s),

you must program your terminal to receive this

information. Be careful if using the “EGC only” option. If

this option is selected, the terminal will, effectively, be

logged out and you will not be able to receive normal

messages (mail) on your terminal. Also, if you choose

“EGC only,” previous EGC settings may be ignored and

the terminal may receive all EGC messages within the

ocean region.

If Inmarsat-C is used for communication (not as a

supervisory control and data acquisition (SCADA) or

“black box” terminal), it MUST have a DTE terminal

which includes a keyboard, Video Display Unit, and

printer. Every Inmarsat-C terminal, if properly configured,

set up and maintained, will receive all relevant messages

addressed to it. These messages will be displayed or

printed out, stored, or both. Improper settings, including

printer settings, not in accordance with the manufacturer’s

instructions, will degrade the performance.

400K. Digital Selective Calling (DSC)

Digital Selective Calling (DSC) is an integral part of the

GMDSS used primarily for transmitting distress alerts

from ships and for transmitting the associated

acknowledgments from coast stations. DSC is a digital

calling system which uses frequencies in the MF, HF or

VHF bands. The advantages of DSC include faster alerting

capabilities and automatic transmission of information

such as ship’s identity, time, nature of distress, and

position. IMO and ITU regulations both require that the

DSC-equipped VHF and MF/HF radios be externally

connected to a satellite navigation receiver (i.e., GPS). This

connection will ensure that accurate location information is

sent to a RCC if a distress alert is transmitted. FCC

regulations require that the ship’s navigation position is

entered, either manually or automatically through a

navigation receiver, into all installed DSC equipment at

least every four hours while the ship is underway (47 CFR

80.1073).
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 42

Since 1 February 1999, the GMDSS provisions to the

SOLAS Convention require all passenger ships and most

other ships 300 gross tons and over on international

voyages, including all cargo ships, to carry DSC-equipped

radios. A listening watch aboard GMDSS-equipped ships

on 2182 kHz ended on that date. In May 2002, the IMO

decided to postpone cessation of a listening watch aboard

GMDSS-equipped ships on VHF Channel 16 (156.8

MHz). That listening watch had been scheduled to end on

1 February 2005. Once SOLAS vessels are allowed to

disband watchkeeping on VHF radiotelephone , it will not

be possible to initiate radio communications with these

vessels outside the U.S. territorial limit without

DSC-capable radios. The U.S Coast Guard recommends

that VHF, MF and HF radiotelephone equipment carried on

ships should include a DSC capability as a matter of safety.

To achieve this, the FCC requires that all new VHF and

MF/HF maritime radiotelephones type accepted after June

1999 to have at least a basic DSC capability.

The content of a DSC call includes the numerical

address of the station (or stations) to which the call is

transmitted, the self-identification of the transmitting

station, and a message which contains several fields of

information indicating the purpose of the call. Various

types of DSC calls are available in one of four priorities:

Distress, Urgency, Safety or Routine. Routine calls could

indicate that a routine communication, i.e., telephony or

telegraphy, is required; or they could include calls related

to the operation of the ship, e.g., calls to port authorities,

pilots.

A receiving station accepting a DSC call receives a

display or printout of the address, the self-identification of

the transmitting station, and the content of the DSC

message, together with an audible or visual alarm (or both)

for distress and safety related calls. To increase the

probability of a DSC distress call or relay being received, it

is repeated several times. The transmission speed of a DSC

call is 100 baud at MF and HF and 1200 baud at VHF.

Error correction coding is included, involving the

transmission of each character twice, together with an

overall message check character which is to ensure the

technical integrity of the DSC system.

In an effort to reduce the number of DSC relays of

distress alerts on all shipboard DSC equipment, the IMO

has issued COMSAR/Circ.25 (dated 15 March 2001)

which provides new procedures for responding to

VHF/MF and HF distress alerts.

Circ.25 is summarized as follows:

– Distress relays and acknowledgments of all types should

only be sent on the Master’s authority.

– Ships should not acknowledge DSC alerts by sending a

return DSC call; they should acknowledge only by

radiotelephony.

– Ships receiving a DSC distress alert on VHF Ch. 70 or

MF 2187.5 kHz are not permitted to relay the call by

DSC under any circumstances (they may relay by other

means).

– Ships receiving a DSC distress alert on HF should wait

for a period of 5 minutes of manual watchkeeping to

ascertain whether it has been acknowledged by DSC,

radiotelephony or NBDP. If a DSC relay is then judged

to be necessary, it should be initiated manually only to

the appropriate coast station.

– Ships may only send a distress relay call (distress alert

on behalf of another vessel), if the following two

conditions both apply:

– the ship in distress is not itself able to transmit its own

distress alert, and

– the Master of the ship considers that further help is

necessary.

The distress relay call should be addressed to “all ships”

or to the appropriate coast station.

Flow diagrams, which describe the actions to be taken

aboard ships upon receipt of DSC distress alerts from other

ships, can be found on pgs. 4-51 and 4-53. The IMO

recommends that these flow diagrams be displayed on the

ship’s bridge.

In an effort to manage and reduce the number of test

calls on the MF/HF DSC distress and safety frequencies,

the IMO has issued COMSAR/Circ.35 (dated 21 May

2004), with the following recommendation: to ensure that

excessive test calls on DSC do not overload the system,

live testing on DSC distress and safety frequencies with

coast stations should be limited to once a week.

The following DSC Operational Procedures for Ships

were adapted from Annex 3 of ITU Recommendation

M.541-9, Operational Procedures for the use of Digital

Selective-Calling (DSC) Equipment in the Maritime

Mobile Service. Operating procedures may vary somewhat

among different radios, depending upon radio design,

software configuration, and the DSC processor/radio

transceiver connection.

1 DISTRESS:

1.1 Transmission of DSC distress alert: A distress alert

should be transmitted if, in the opinion of the Master, the

ship or a person is in distress and requires immediate

assistance. A DSC distress alert should as far as possible

include the ship’s last known position and the time (in

UTC) when it was valid. The position and the time may be

included automatically by the ship’s navigational

equipment or may be inserted manually.

The DSC distress alert is transmitted as follows:

– tune the transmitter to the DSC distress channel (2187.5

kHz on MF, channel 70 on VHF (see Note 1 below));

– if time permits, key in or select on the DSC equipment

keyboard (in accordance with the DSC equipment

manufacturer’s instructions):

– the nature of the distress;

– the ship’s last known position (latitude and longitude);

– the time (in UTC) the position was valid;

– type of subsequent distress communication

(telephony).

– transmit the DSC distress alert;

– prepare for the subsequent distress traffic by tuning the

transmitter and the radiotelephony receiver to the distress

traffic channel in the same band, i.e., 2182 kHz on MF,

channel 16 on VHF, while waiting for the DSC distress

acknowledgment.

NOTE 1: Some maritime MF radiotelephony

transmitters shall be tuned to a frequency 1700 Hz lower
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 43

than 2187.5 kHz, i.e., 2185.8 kHz, in order to transmit the

DSC distress alert on 2187.5 kHz.

1.2 Actions on receipt of a distress alert: Ships

receiving a DSC distress alert from another ship should

normally not acknowledge the alert by DSC since

acknowledgment of a DSC distress alert by use of DSC is

normally made by coast stations only. (Ships receiving a

DSC distress alert from another ship should set watch on

an associated radiotelephone distress and safety traffic

frequency and acknowledge the call by radiotelephony. See

also section 6.1.4.).

If a ship station continues to receive a DSC distress alert

on an MF or VHF channel, a DSC acknowledgment should

be transmitted to terminate the call only after consulting

with a Rescue Coordination Center (RCC) or a Coast

Station and being directed to do so.

Ships receiving a DSC distress alert from another ship

should also defer the acknowledgment of the distress alert

by radiotelephony for a short interval, if the ship is within

an area covered by one or more coast stations, in order to

give the coast station time to acknowledge the DSC

distress alert first.

Ships receiving a DSC distress alert from another ship

shall:

– watch for the reception of a distress acknowledgment on

the distress channel (2187.5 kHz on MF and channel 70

on VHF);

– prepare for receiving the subsequent distress

communication by tuning the radiotelephony receiver to

the distress traffic frequency in the same band in which

the DSC distress alert was received, i.e., 2182 kHz on

MF, channel 16 on VHF;

– acknowledge the receipt of the distress alert by

transmitting the following by radiotelephony on the

distress traffic frequency in the same band in which the

DSC distress alert was received, i.e., 2182 kHz on MF,

channel 16 on VHF:

– “MAYDAY;”

– the 9-digit identity of the ship in distress, repeated 3

times;

– “this is;”

– the 9-digit identity or the call sign or other

identification of own ship, repeated 3 times;

– “RECEIVED MAYDAY.”

1.3 Distress traffic: On receipt of a DSC distress

acknowledgment the ship in distress should commence the

distress traffic by radiotelephony on the distress traffic

frequency (2182 kHz on MF, channel 16 on VHF) as

follows:

– “MAYDAY;”

– “this is;”

– the 9-digit identity and the call sign or other

identification of the ship;

– the ship’s position in latitude and longitude or other

reference to a known geographical location;

– the nature of the distress and assistance wanted;

– any other information which might facilitate the rescue.

1.4 Transmission of a DSC distress relay call: In no

case is a ship permitted to transmit an all ships DSC

distress relay call on receipt of a DSC distress alert on

either VHF or MF channels. If no aural watch is present on

the relative channel (2182 kHz on MF, channel 16 on

VHF), the coast station should be contacted by sending an

individual DSC distress relay call.

1.4.1 Transmission of a DSC distress relay call on

behalf of someone else: A ship knowing that another ship

is in distress shall transmit a DSC distress relay call if:

– the ship in distress is not itself able to transmit the

distress alert;

– the Master of the ship considers that further help is

necessary.

The DSC distress relay call is transmitted as follows:

– tune the transmitter to the DSC distress channel (2187.5

kHz on MF, channel 70 on VHF);

– select the distress relay call format on the DSC

equipment;

– key in or select on the DSC equipment keyboard:

– All Ships Call (VHF), Geographic Area Call (MF/HF)

or the 9-digit identity of the appropriate coast station;

– the 9-digit identity of the ship in distress, if known;

– the nature of the distress;

– the latest position of the ship in distress, if known;

– the time (in UTC) the position was valid (if known);

– type of subsequent distress communication

(telephony).

– transmit the DSC distress relay call;

– prepare for the subsequent distress traffic by tuning the

transmitter and the radiotelephony receiver to the distress

traffic channel in the same band, i.e., 2182 kHz on MF

and channel 16 on VHF, while waiting for the DSC

distress acknowledgment.

1.5 Acknowledgment of a DSC distress relay call

received from a coast station: Coast stations, after having

received and acknowledged a DSC distress alert, may if

necessary, retransmit the information received as a DSC

distress relay call, addressed to all ships (VHF only), all

ships in a specific geographical area (MF/HF only), or a

specific ship.

Ships receiving a distress relay call transmitted by a

coast station shall not use DSC to acknowledge the call,

but should acknowledge the receipt of the call by

radiotelephony on the distress traffic channel in the same

band in which the relay call was received, i.e., 2182 kHz

on MF, channel 16 on VHF.

Acknowledge the receipt of the distress relay call by

transmitting the following by radiotelephony on the

distress traffic frequency in the same band in which the

DSC distress relay call was received:

– “MAYDAY RELAY;”

– the 9-digit identity or the call sign or other identification

of the calling coast station;

– “this is;”

– the 9-digit identity or call sign or other identification of

own ship;

– “RECEIVED MAYDAY RELAY.”

1.6 Acknowledgment of a DSC distress relay call

received from another ship: Ships receiving a distress

relay call from another ship shall follow the same

procedure as for acknowledgment of a distress alert, i.e.,

the procedure given in section 1.2 above.
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 44

1.7 Cancellation of an inadvertent distress alert: A

station transmitting an inadvertent distress alert shall

cancel the distress alert using the following procedure:

– 1.7.1 Immediately cancel the distress alert aurally over

the telephony distress traffic channel associated with

each DSC channel on which the “distress alert” was

transmitted.

– 1.7.2 Monitor the telephony distress traffic channel

associated with the DSC channel on which the distress

was transmitted, and respond to any communications

concerning that distress alert as appropriate.

2 URGENCY:

2.1 Transmission of urgency messages: Transmission

of urgency messages shall be carried out in two steps:

– announcement of the urgency message;

– transmission of the urgency message.

The announcement is carried out by transmission of a

DSC urgency call on the DSC distress calling channel

(2187.5 kHz on MF, channel 70 on VHF). The urgency

message is transmitted on the distress traffic channel (2182

kHz on MF, channel 16 on VHF). The DSC urgency call

may be addressed to all stations at VHF, or a geographic

area at MF/HF, or to a specific station. The frequency on

which the urgency message will be transmitted shall be

included in the DSC urgency call.

The transmission of an urgency message is thus carried

out as follows:

Announcement:

– tune the transmitter to the DSC distress calling channel

(2187.5 kHz on MF, channel 70 on VHF);

– select the appropriate calling format on the DSC

equipment (all ships (VHF only), geographical area

(MF/HF only) or individual);

– key in or select on the DSC equipment keyboard (in

accordance with the DSC equipment manufacturer’s

instructions):

– specific area or 9-digit identity of the specific station,

if appropriate;

– the category of the call (urgency);

– the frequency or channel on which the urgency

message will be transmitted;

– the type of communication in which the urgency

message will be given (radiotelephony).

– transmit the DSC urgency call.

Transmission of the urgency message:

– tune the transmitter to the frequency or channel indicated

in the DSC urgency call;

– transmit the urgency message as follows:

– “PAN PAN,” repeated 3 times;

– “ALL STATIONS” or called station, repeated 3 times;

– “this is;”

– the 9-digit identity and the call sign or other

identification of own ship;

– the text of the urgency message.

2.2 Reception of an urgency message: Ships receiving

a DSC urgency call announcing an urgency message

addressed to more than one station shall NOT acknowledge

the receipt of the DSC call, but should tune the

radiotelephony receiver to the frequency indicated in the

call and listen to the urgency message.

3 SAFETY:

3.1 Transmission of safety messages: Transmission of

safety messages shall be carried out in two steps:

– announcement of the safety message;

– transmission of the safety message.

The announcement is carried out by transmission of a

DSC safety call on the DSC distress calling channel

(2187.5 kHz on MF, channel 70 on VHF). The safety

message is normally transmitted on the distress and safety

traffic channel in the same band in which the DSC call was

sent, i.e., 2182 kHz on MF, channel 16 on VHF. The DSC

safety call may be addressed to all ships (VHF only), ships

in a specific geographical area (MF/HF only), or to a

specific station. The frequency on which the safety

message will be transmitted shall be included in the DSC

call.

The transmission of a safety message is thus carried out

as follows:

Announcement:

– tune the transmitter to the DSC distress calling channel

(2187.5 kHz on MF, channel 70 on VHF);

– select the appropriate calling format on the DSC

equipment (all ships (VHF only), geographical area

(MF/HF only), or individual);

– key in or select on the DSC equipment keyboard (in

accordance with the DSC equipment manufacturer’s

instructions):

– specific area or 9-digit identity of specific station, if

appropriate;

– the category of the call (safety);

– the frequency or channel on which the safety message

will be transmitted;

– the type of communication in which the safety

message will be given (radiotelephony).

– transmit the DSC safety call.

Transmission of the safety message:

– tune the transmitter to the frequency or channel indicated

in the DSC safety call;

– transmit the safety message as follows:

– “SECURITE,” repeated 3 times;

– “ALL STATIONS” or called station, repeated 3 times;

– “this is;”

– the 9-digit identity and the call sign or other

identification of own ship;

– the text of the safety message.

3.2 Reception of a safety message: Ships receiving a

DSC safety call announcing a safety message addressed to

more than one station shall NOT acknowledge the receipt

of the DSC safety call, but should tune the radiotelephony

receiver to the frequency indicated in the call and listen to

the safety message.

4 PUBLIC CORRESPONDENCE:

4.1 DSC channels for public correspondence:

– 4.1.1 VHF: The VHF DSC channel 70 is used for DSC

for distress and safety purposes as well as for DSC for

public correspondence.

– 4.1.2 MF: International and national DSC channels

separate from the DSC distress and safety calling

channel 2187.5 kHz are used for digital selective-calling

on MF for public correspondence. Ships calling a coast
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 45

station by DSC on MF for public correspondence should

preferably use the coast station’s national DSC channel.

The international DSC channel for public

correspondence may as a general rule be used between

ships and coast stations of different nationality. The ships

transmitting frequency is 2189.5 kHz, and the receiving

frequency is 2177 kHz. The frequency 2177 kHz is also

used for DSC between ships for general communication.

4.2 Transmission of a DSC call for public

correspondence to a coast station or another ship: A

DSC call for public correspondence to a coast station or

another ship is transmitted as follows:

– tune the transmitter to the relevant DSC channel;

– select the format for calling a specific station on the DSC

equipment;

– key in or select on the DSC equipment keyboard (in

accordance with the DSC equipment manufacturer’s

instructions):

– the 9-digit identity of the station to be called;

– the category of the call (routine);

– the type of subsequent communication (normally

radiotelephony);

– a proposed working channel if calling another ship. A

proposal for a working channel should NOT be

included in calls to a coast station; the coast station

will in its DSC acknowledgment indicate a vacant

working channel;

– transmit the DSC call.

4.3 Repeating a call: A DSC call for public

correspondence may be repeated on the same or another

DSC channel, if no acknowledgment is received within 5

minutes. Further call attempts should be delayed at least 15

minutes, if acknowledgment is still not received.

4.4 Acknowledgment of a received call and

preparation for reception of the traffic: On receipt of a

DSC call from a coast station or another ship, a DSC

acknowledgment is transmitted as follows:

– tune the transmitter to the transmit frequency of the DSC

channel on which the call was received;

– select the acknowledgment format on the DSC

equipment;

– transmit an acknowledgment indicating whether the ship

is able to communicate as proposed in the call (type of

communication and working frequency);

– if able to communicate as indicated, tune the transmitter

and the radiotelephony receiver to the indicated working

channel and prepare to receive the traffic.

4.5 Reception of acknowledgment and further

actions: When receiving an acknowledgment indicating

that the called station is able to receive the traffic, prepare

to transmit the traffic as follows:

– tune the transmitter and receiver to the indicated working

channel;

– commence the communication on the working channel

by:

– the 9-digit identity or call sign or other identification

of the called station;

– “this is;”

– the 9-digit identity or call sign or other identification

of own ship.

It will normally rest with the ship to call again a little

later in case the acknowledgment from the coast station

indicates that the coast station is not able to receive the

traffic immediately. In case the ship, in response to a call to

another ship, receives an acknowledgment indicating that

the other ship is not able to receive the traffic immediately,

it will normally rest with the called ship to transmit a call

to the calling ship when ready to receive the traffic.

5 TESTING THE EQUIPMENT USED FOR

DISTRESS AND SAFETY:

Testing on the exclusive DSC distress and safety calling

frequency 2187.5 kHz should be avoided as far as possible

by using other methods. Test calls should be transmitted by

the ship station and acknowledged by the called station.

Normally there would be no further communication

between the two stations involved.

A VHF and MF test call to a station is transmitted as

follows:

– tune the transmitter to the DSC distress and safety

calling frequency (i.e., channel 70 and 2187.5 kHz);

– key in or select the format for the test call on the DSC

equipment in accordance with the DSC equipment

manufacturer’s instructions;

– key in the 9-digit identity of the station to be called;

– transmit the DSC call after checking as far as possible

that no calls are in progress on the frequency;

– wait for acknowledgment.

6 SPECIAL CONDITIONS AND PROCEDURES

FOR DSC COMMUNICATION ON HF:

General: The procedures for DSC communication on

HF are—with some additions described in 6.1 to 6.3

below—equal to the corresponding procedures for DSC

communications on MF/VHF. Due regard to the special

conditions described in 6.1 to 6.3 should be given when

making DSC communications on HF.

6.1 DISTRESS:

6.1.1 Transmission of DSC distress alert: DSC distress

alert should be sent to coast stations - i.e., in A3 and A4 sea

areas on HF - and on MF and/or VHF to other ships in the

vicinity. The DSC distress alert should as far as possible

include the ship’s last known position and the time (in

UTC) it was valid. If the position and time is not inserted

automatically from the ship’s navigational equipment, it

should be inserted manually.

Ship-to-shore distress alert (Choice of HF band):

Propagation characteristics of HF radio waves for the

actual season and time of the day should be taken into

account when choosing HF bands for transmission of DSC

distress alert. As a general rule the DSC distress channel in

the 8 MHz maritime band (8414.5 kHz) may in many cases

be an appropriate first choice. Transmission of the DSC

distress alert in more than one HF band will normally

increase the probability of successful reception of the alert

by coast stations.

DSC distress alert may be sent on a number of HF bands

in two different ways:

– (1) either by transmitting the DSC distress alert on one

HF band, and waiting a few minutes for receiving

acknowledgment by a coast station;
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 46

if no acknowledgment is received within 3 minutes, the

process is repeated by transmitting the DSC distress alert

on another appropriate HF band etc.;

– (2) or by transmitting the DSC distress alert at a number

of HF bands with no, or only very short, pauses between

the calls, without waiting for acknowledgment between

the calls.

It is recommended to follow procedure (1) in all cases,

where time permits to do so; this will make it easier to

choose the appropriate HF band for commencement of the

subsequent communication with the coast station on the

corresponding distress traffic channel.

Transmitting the DSC distress alert (see Note 1 below):

– tune the transmitter to the chosen HF DSC distress

channel (4207.5, 6312, 8414.5, 12577, 16804.5 kHz)

(see Note 2);

– follow the instructions for keying in or selection of

relevant information on the DSC equipment keyboard as

described in section 1.1;

– transmit the DSC distress alert.

In special cases, for example in tropical zones,

transmission of DSC distress alert on HF may, in addition

to ship-to-shore alerting, also be useful for ship-to-ship

alerting.

NOTE 1: Ship-to-ship distress alert should normally be

made on MF and/or VHF, using the procedures for

transmission of DSC distress alert on MF/VHF described

in section 1.1.

NOTE 2: Some maritime HF transmitters shall be tuned

to a frequency 1700 Hz lower than the DSC frequencies

given above in order to transmit the DSC distress alert on

the correct frequency.

6.1.2 Preparation for the subsequent distress traffic:

After having transmitted the DSC distress alert on

appropriate DSC distress channels (HF, MF and/or VHF),

prepare for the subsequent distress traffic by tuning the

radiocommunication set(s) (HF, MF and/or VHF as

appropriate) to the corresponding distress traffic

channel(s).

Where multiple frequency call attempts are transmitted

the corresponding distress traffic frequency should be 8291

kHz.

If method (2) described in section 6.1.1 has been used

for transmission of DSC distress alert on a number of HF

bands:

– take into account in which HF band(s) acknowledgment

has been successfully received from a coast station;

– if acknowledgments have been received on more than

one HF band, commence the transmission of distress

traffic on one of these bands, but if no response is

received from a coast station then the other bands should

be used in turn.

The distress traffic frequencies are:

6.1.3 Distress traffic: The procedures described in

section 1.3 are used when the distress traffic on MF/HF is

carried out by radiotelephony.

The following procedures shall be used in cases where

the distress traffic on MF/HF is carried out by radiotelex:

– the forward error correcting (FEC) mode shall be used;

– all messages shall be preceded by:

– at least one carriage return;

– line feed;

– one letter shift;

– the distress signal “MAYDAY.”

– the ship in distress should commence the distress telex

traffic on the appropriate distress telex traffic channel as

follows:

– carriage return, line feed, letter shift;

– the distress signal “MAYDAY;”

– “this is;”

– the 9-digit identity and call sign or other identification

of the ship;

– the ship’s position if not included in the DSC distress

alert;

– the nature of distress;

– any other information which might facilitate the

rescue.

6.1.4 Actions on reception of a DSC distress alert on

HF from another ship: Ships receiving a DSC distress

alert on HF from another ship shall not acknowledge the

alert, but should:

– watch for reception of a DSC distress acknowledgment

from a coast station;

– while waiting for reception of a DSC distress

acknowledgment from a coast station:

prepare for reception of the subsequent distress

communication by tuning the HF radiocommunication

set (transmitter and receiver) to the relevant distress

traffic channel in the same HF band in which the DSC

distress alert was received, observing the following

conditions:

– if radiotelephony mode was indicated in the DSC

distress alert, the HF radiocommunication set should

be tuned to the radiotelephony distress traffic channel

in the HF band concerned;

– if telex mode was indicated in the DSC distress alert,

the HF radiocommunication set should be tuned to the

radiotelex distress traffic channel in the HF band

concerned. Ships able to do so should additionally

HF (kHz):

Telephony Telex

4125 4177.5

6215 6268

8291 8376.5

12290 12520

16420 16695

MF (kHz):

Telephony Telex

2182 2174.5

VHF:

Channel 16 (156.800 MHz)

HF (kHz):

Telephony Telex
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 47

watch the corresponding radiotelephony distress

channel;

– if the DSC distress alert was received on more than

one HF band, the radiocommunication set should be

tuned to the relevant distress traffic channel in the HF

band considered to be the best one in the actual case. If

the DSC distress alert was received successfully on the

8 MHz band, this band may in many cases be an

appropriate first choice;

– if no distress traffic is received on the HF channel

within 1 to 2 minutes, tune the HF

radiocommunication set to the relevant distress traffic

channel in another HF band deemed appropriate in the

actual case;

– if no DSC distress acknowledgment is received from a

coast station within 5 minutes, and no distress

communication is observed going on between a coast

station and the ship in distress:

– inform a Rescue Coordination Center (RCC) via

appropriate radiocommunications means;

– transmit a DSC distress relay call.

6.1.5 Transmission of DSC distress relay call: In case

it is considered appropriate to transmit a DSC distress relay

call:

– distress relay calls on HF should be initiated manually;

– tune the transmitter(s) to the relevant DSC distress

channel, following the procedures described in section

6.1.1 above (except the call is sent manually as a single

call on a single frequency);

– follow the instructions for keying in or selection of call

format and relevant information on the DSC equipment

keyboard as described in section 1.4;

– transmit the DSC distress relay call.

6.1.6 Acknowledgment of a HF DSC distress relay

call received from a coast station: Ships receiving a DSC

distress relay call from a coast station on HF, addressed to

all ships within a specified area, should NOT acknowledge

the receipt of the relay alert by DSC, but by radiotelephony

on the telephony distress traffic channel in the same

band(s) in which the DSC distress relay call was received.

6.2 URGENCY:

Transmission of urgency messages on HF should

normally be addressed:

– either to all ships within a specified geographical area;

– or to a specific coast station.

Announcement of the urgency message is carried out by

transmission of a DSC call with category urgency on the

appropriate DSC distress channel. The transmission of the

urgency message itself on HF is carried out by

radiotelephony or radiotelex on the appropriate distress

traffic channel in the same band in which the DSC

announcement was transmitted.

6.2.1 Transmission of DSC announcement of an

urgency message on HF:

– choose the HF band considered to be the most

appropriate, taking into account propagation

characteristics for HF radio waves at the actual season

and time of the day; the 8 MHz band may in many cases

be an appropriate first choice;

– tune the HF transmitter to the DSC distress channel in

the chosen HF band;

– key in or select call format for either geographical area

call or individual call on the DSC equipment, as

appropriate;

– in case of area call, key in specification of the relevant

geographical area;

– follow the instructions for keying in or selection of

relevant information on the DSC equipment keyboard as

described in section 2.1, including type of

communication in which the urgency message will be

transmitted (radiotelephony or radiotelex);

– transmit the DSC call; and

– if the DSC call is addressed to a specific coast station,

wait for DSC acknowledgment from the coast station. If

acknowledgment is not received within a few minutes,

repeat the DSC call on another HF frequency deemed

appropriate.

6.2.2 Transmission of the urgency message and

subsequent action:

– tune the HF transmitter to the distress traffic channel

(telephony or telex) indicated in the DSC announcement;

– if the urgency message is to be transmitted using

radiotelephony, follow the procedure described in section

2.1;

– if the urgency message is to be transmitted by radiotelex,

the following procedure shall be used:

– use the forward error correcting (FEC) mode unless

the message is addressed to a single station whose

radiotelex identity number is known;

– commence the telex message by:

– at least one carriage return, line feed, one letter shift;

– the urgency signal “PAN PAN;”

– “this is;”

– the 9-digit identity of the ship and the call sign or

other identification of the ship;

– the text of the urgency message.

Announcement and transmission of urgency messages

addressed to all HF equipped ships within a specified area

may be repeated on a number of HF bands as deemed

appropriate in the actual situation.

6.3 SAFETY:

The procedures for transmission of DSC safety

announcement and for transmission of the safety message

are the same as for urgency messages, described in section

6.2, except that:

– in the DSC announcement, the category SAFETY shall

be used;

– in the safety message, the safety signal “SECURITE”

shall be used instead of the urgency signal “PAN PAN.”

400L. Use of GMDSS Equipment for Routine

Telecommunications

GMDSS telecommunications equipment should not be

reserved for emergency use only. The IMO has issued

COMSAR/Circ.17 (dated 9 March 1998) which

recommends and encourages mariners to use that

equipment for routine as well as safety
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 48

telecommunications. The following recommendation is

extracted from Circ.17:

Use of GMDSS equipment for transmission of general

radiocommunications is one of the functional requirements

specified in SOLAS chapter IV, regulation 4. Regular use

of GMDSS equipment helps to develop operator

competency and ensure equipment availability. If ships use

other radiocommunication systems for the bulk of their

business communications, they should adopt a regular

program of sending selected traffic or test messages via

GMDSS equipment to ensure operator competency and

equipment availability and to help reduce the incidence of

false alerts. This policy extends to all GMDSS equipment

suites including Digital Selective Calling (DSC) on VHF,

MF and HF, to the Inmarsat-A, -B and -C systems, and to

any duplicated VHF and long-range communications

facilities.

400M. Instructions for Canceling Inadvertent

Distress Alerts

A false alert is any distress transmitted for any reason

when a real distress situation does not actually exist. Most

such alerts are inadvertent and can be traced to equipment

problems and human error (caused by improper use of

GMDSS equipment). A few, however, are deliberately

transmitted as a hoax, made easier by GMDSS equipment

that is not properly registered. Many are from non-GMDSS

sources, especially in the 121.5 MHz frequency band.

False alerts obstruct efficient and effective SAR services

and are detrimental because they:

– Cause delays which may cost lives and prolong or

worsen human suffering.

– Adversely affect mariner safety.

– Waste limited resources.

– Erode the confidence of both mariners and SAR

personnel.

– Divert SAR facilities, making them less available should

a real distress situation arise.

– Congest and drive up the costs of communications.

The following instructions, extracted from IMO

Resolution A.814(19), are for canceling an inadvertent

distress alert:

– DIGITAL SELECTIVE CALLING:

– VHF:

– Switch off the transmitter immediately (this

applies when the false alert is detected during

transmission);

– Switch equipment on and set to Channel 16;

– Make broadcast to “All Stations” giving name of

vessel, call sign and DSC number, and cancel the

false distress alert.

Example:

All Stations, All Stations, All Stations

This is NAME, CALL SIGN, DSC NUMBER,

POSITION.

 Cancel my distress alert of DATE, TIME UTC.

=Master, NAME, CALL SIGN, DSC NUMBER, DATE,

TIME UTC

–MF

–Switch off the transmitter immediately (this

applies when the false alert is detected during

transmission);

–Switch equipment on and tune for radiotelephony

transmission on 2182 kHz;

–Make broadcast to “All Stations” giving name of

vessel, call sign and DSC number, and cancel the

false distress alert.

Example:

All Stations, All Stations, All Stations,

This is NAME, CALL SIGN, DSC NUMBER,

POSITION.

Cancel my distress alert of DATE, TIME UTC.

=Master, NAME, CALL SIGN, DSC NUMBER, DATE,

TIME UTC

–HF:

–As for MF but the alert must be canceled on all the

frequency bands in which it was transmitted: the

transmitter should be tuned consecutively to the

radiotelephony distress frequencies in the 4, 6, 8,

12 and 16 MHz bands, as necessary.

– INMARSAT-C:

– Notify the appropriate Rescue Coordination Center

(RCC) to cancel the alert by sending a distress priority

message via the same CES through which the false

distress alert was sent.

Example:

This is NAME, CALL SIGN, IDENTITY NUMBER,

POSITION.

Cancel my Inmarsat-C distress alert of DATE, TIME

UTC.

=Master +

– EPIRBS:

– If, for any reason, an EPIRB is activated accidentally,

the ship should contact the nearest coast station or an

appropriate coast earth station or RCC and cancel the

distress alert.

NOTE: Keep the EPIRB activated until an appropriate

RCC can be contacted to cancel the alert. (This reduces

incomplete alerts and uncertainty associated with why an

EPIRB signal ceased.)

Notwithstanding the above, a ship may use any means

available to them to inform the appropriate authorities that

a false alert has been transmitted and should be canceled.

No action will normally be taken against any ship or

mariner for reporting and canceling a false distress alert.

However, in view of the serious consequences of false

alerts, and the strict ban on their transmission,

Governments may prosecute in cases of repeated violation.

The following guidelines, extracted from IMO

Resolution A.814(19), are recommended for reducing the

chance of a false distress alert aboard ship:
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 49

– Ensure that all GMDSS certificated personnel

responsible for sending a distress alert have been

instructed about, and are competent to operate, the

particular radio equipment on the ship.

– Ensure that the person(s) responsible for communication

during distress incidents give the necessary instructions

and information to all crew members on how to use

GMDSS equipment to send a distress alert.

– Ensure that as part of each abandon ship drill, instruction

is given on how emergency equipment should be used to

provide GMDSS functions.

– Ensure that GMDSS equipment testing is only

undertaken under the supervision of the person

responsible for communications during distress

incidents.

– Ensure that GMDSS equipment testing or drills are never

allowed to cause false distress alerts.

– Ensure that coded identities of satellite EPIRBs, which

are used by SAR personnel responding to emergencies,

are properly registered in a database accessible 24 hours

a day or automatically provided to SAR authorities

(Masters should confirm that their EPIRBs have been

registered with such a database, to help SAR services

identify the ship in the event of distress and rapidly

obtain other information which will enable them to

respond appropriately (See sec. 400F.)).

– Ensure that EPIRB, Inmarsat and DSC registration data

is immediately updated if there is any change in

information relating to the ship such as owner, name or

flag, and that the necessary action is taken to reprogram

the ship’s new data in the GMDSS equipment concerned.

– Ensure that, for new ships, positions for installing

EPIRBs are considered at the earliest stage of ship

design and construction.

– Ensure that satellite EPIRBs are carefully installed in

accordance with the manufacturers’ instructions and

using qualified personnel (sometimes satellite EPIRBs

are damaged or broken due to improper handling or

installation. They must be installed in a location that will

enable them to float free and automatically activate if the

ship sinks. Care must be taken to ensure that they are not

tampered with or accidently activated. If the coding has

to be changed or the batteries serviced, manufacturers’

requirements must be strictly followed. There have been

cases where EPIRB lanyards were attached to the ship so

that the EPIRB could not float free; lanyards are only to

be used by survivors for securing the EPIRB to a survival

craft or person in the water).

– Ensure that EPIRBs are not activated if assistance is

already immediately available (EPIRBs are intended to

call for assistance if the ship is unable to obtain help by

other means, and to provide position information and

homing signals for SAR units).

– Ensure that, if a distress alert has been accidently

transmitted, the ship makes every reasonable attempt to

communicate with the RCC by any means to cancel the

false distress alert using the instructions given above.

– Ensure that, if possible, after emergency use, the EPIRB

is retrieved and deactivated.

– Ensure that when an EPIRB is damaged and needs to be

disposed of, if a ship is sold for scrap, or if for any other

reason a satellite EPIRB will no longer be used, the

satellite EPIRB is made inoperable, either by removing

its battery and, if possible, returning it to the

manufacturer, or by demolishing it.

NOTE: If the EPIRB is returned to the manufacturer, it

should be wrapped in tin foil to prevent transmission of

signals during shipment.

4 - 51

ACTIONS BY SHIPS UPON RECEPTION OF VHF / MF DSC DISTRESS ALERT

REMARKS:Note 1: Appropriate or relevant RCC and/or Coast Station shall be informed accordingly. If further DSC alerts are received from the 

ship in distress is beyond doubt in the vicinity, a DSC acknowledgment may, after consultation with an RCC or Coast Station, the call.

Note 2: In no case is a ship permitted to transmit a DSC distress relay call on receipt of a DSC distress alert on either VHF Channe

2187.5 kHz.

CS = Coast Station RCC = Rescue Coordination Center

4 - 53

ACTIONS BY SHIPS UPON RECEPTION OF HF DSC DISTRESS ALERT

REMARKS:Note 1: If it is clear the ship or persons in distress are not in the vicinity and/or other crafts are better placed to assist, superflous com

could interfere with search and rescue activities are to be avoided. Details should be recorded in the appropriate logbook.

Note 2: The ship should establish communications with the station controlling the distress as directed and render such assistan

appropriate.

Note 3: Distress relay calls should be initiated manually.

CS = Coast Station RCC = Rescue Coordination Center

DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 55

LIST OF OPERATIONAL VHF DSC COAST STATIONS FOR SEA AREAS A1

(Extracted from ANNEX 2 of the IMO GMDSS Master Plan)

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC

I Belgium Antwerpen 002050485 51-13N 04-23E 25 Oostende

Oostende 002050480 51-11N 02-48E 25

Denmark Lyngby 002191000 - - SOK, Aarhus

København 55-41N 12-36E 29

Vejby 56-04N 12-07E 30

Roesnaes 55-44N 10-56E 35

Ånholt 56-42N 11-35E 28

Fornaes 56-26N 10-56E 32

Vejle 55-40N 09-30E 42

Als 54-57N 09-33E 41

Svendborg 55-01N 10-37E 20

Karleby 54-52N 11-11E 36

Mern 55-03N 11-59E 45

Aarsballe 55-08N 14-52E 42

Laesoe 57-17N 11-03E 34

Frejlev 57-00N 09-49E 44

Blåvand 55-33N 08-06E 33

Skagen 57-44N 10-34E 29

Hirtshals 57-31N 09-57E 31

Hanstholm 57-06N 08-39E 34

Bovbjerg 56-31N 08-10E 34

Torshavn (Færoes) 002311000 - - MRCC Torshavn

Torshavn 62-01N 06-49W 56

Fugloy 62-20N 06-19W 68

Mykines 62-06N 07-35W 64

Suderoy 61-25N 06-44W 57

Estonia Tallinn 002761000 59-24N 24-40E 20 MRCC Tallinn

Toila 59-25N 27-31E 30

Eisma 59-33N 26-17E 30

Aabla 59-35N 25-31E 30

Merevälja 59-30N 24-51E 30

Suurupi 59-28N 24-23E 30

Dirhami 59-12N 23-30E 30

Köpu 58-55N 22-12E 35

Orissaare 58-34N 23-04E 35

Undva 58-31N 21-56E 30

Torgu 57-59N 22-05E 28

Ruhnu 57-48N 23-15E 28

Töstamaa 58-18N 23-59E 30

Finland Turku 002300230 - - MRCC Turku

Kemi 002303000 65-49N 24-32E 30 MRSC Vaasa

Hailuoto 65-02N 24-36E 27
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 56

I Finland (cont.) Kalajoki 002303000 64-18N 24-11E 47 MRSC Vaasa

Kokkola 63-50N 23-09E 34

Raippaluoto 63-22N 21-19E 32

Kristiinankaupunki 002301000 62-16N 21-24E 36 MRCC Turku

Pori 61-36N 21-27E 16

Rauma 61-08N 21-33E 28

Uusikaupunki 60-49N 21-26E 32

Geta 60-23N 19-51E 38

Brandö 60-25N 21-03E 25

Järsö 60-01N 20-00E 36

Korppoo 60-10N 21-33E 30

Naantali 60-27N 22-03E 32

Utö 002302000 59-47N 21-22E 23 MRSC Helsinki

Hanko 59-50N 22-56E 26

Porkkala 59-59N 24-26E 30

Santahamina/Helsinki 60-09N 25-02E 30

Sondby 60-16N 25-51E 26

Kotka 60-29N 26-53E 29

Virolahti 60-36N 27-50E 32

France Gris Nez (CROSS) 002275100 50-52N 01-35E 23 MRCC Gris Nez

Dunkerque 51-03N 02-21E 22

Saint Frieux 50-36N 01-38E 38

L’Ailly 49-55N 00-57E 28

Jobourg (CROSS) 002275200 49-41N 01-54W 42 MRCC Jobourg

Antifer 49-41N 00-10E 33

Ver-sur-Mer 49-20N 00-31W 27

Gatteville 49-42N 01-16W 26

Granville 48-50N 01-37W 26

Roches Douvres 49-06N 02-49W 24

Corsen (CROSS) 002275300 48-25N 04-47W 27 MRCC Corsen

Cap Frehel 48-41N 02-19W 28

Ile de Batz 48-45N 04-01W 27

Stiff Ouessant 48-28N 05-03W 34

Bodic 48-48N 03-05W 25

Pointe du Raz 48-02N 04-44W 24

Germany Bremen Rescue Radio 002111240 53-05N 08-48E 25 MRCC Bremen

Rügen 54-21N 13-45E 27

Arkona 54-35N 13-37E 31

Darss 54-24N 12-27E 30

Rostock 54-10N 12-06E 33

Kiel 54-18N 10-07E 37

Lübeck 54-13N 10-43E 46

Flensburg 54-44N 09-30E 29

Norddeich 53-34N 07-06E 24

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 57

I Germany (cont.) Cuxhaven 002111240 53-50N 08-39E 24 MRCC Bremen

Helgoland 54-11N 07-53E 33

Sylt 54-55N 08-18E 28

Eiderstedt 54-20N 08-47E 24

Hamburg 53-33N 09-58E 44

Ireland MRCC Dublin 002500300 - - MRCC Dublin

Dublin 53-23N 06-04W 40

Carlingford 54-04N 06-19W 40

Wicklow Head 52-58N 06-00W 30

Rosslare 52-19N 06-34W 44

Mine Head 52-00N 07-35W 30

MRSC Valentia 002500200 - - MRSC Valentia

Cork 51-51N 08-29W 40

Bantry 51-38N 10-00W 60

Valentia 51-52N 10-21W 54

Shannon 52-31N 09-36W 50

MRSC Malin Head 002500100 - - MRSC Malin Head

Clifden 53-30N 09-56W 50

Belmullet 54-16N 10-03W 25

Glen Head 54-44N 08-40W 47

Malin Head 55-22N 07-16W 49

Latvia Riga Rescue Radio 002750100 57-02N 24-05E 20 MRCC Riga

Vitrupe 57-36N 24-23E 25

Mersrags 57-22N 23-07E 25

Kolka 57-45N 22-35E 20

Jaunupe 57-32N 21-41E 20

Uzava 57-13N 21-26E 20

Akmenrags 56-50N 21-03E 20

Jurmalciems 56-18N 20-59E 20

Lithuania Klaipeda Rescue 002770330 55-43N 21-06E 18 MRCC Klaipeda

Nida 55-18N 20-59E 24

Shventoji 56-01N 21-05E 20

Netherlands Netherlands Coast Guard 002442000 - - JRCC Den Helder

Woensdrecht 51-26N 04-20E 25

Westkappelle 51-32N 03-27E 25

Renesse 51-44N 03-49E 25

Scheveningen 52-06N 04-15E 25

Schoorl 52-43N 04-39E 25

Den Helder 52-57N 04-47E 25

West Terschelling 53-21N 05-13E 25

Schiermonnikoog 53-29N 06-09E 25

Appingedam 53-20N 06-52E 25

Kornwerderzand 53-04N 05-20E 25

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 58

I Netherlands

(cont.)

Hoorn 002442000 52-39N 05-06E 25 JRCC Den Helder

Wezep 52-27N 06-00E 25

Norway Tjøme 002570100 - - MRCC Stavanger

Halden 59-11N 11-26E 53

Oslo 59-59N 10-40E 62

Drammen 59-40N 10-26E 24

Tjøme 59-05N 10-25E 30

Porsgrunn 59-14N 09-42E 66

Risør 58-43N 09-12E 35

Arendal 58-27N 08-45E 36

Kristiansand 58-04N 07-59E 36

Rogaland 002570300 - - MRCC Stavanger

Lindesnes 58-01N 07-04E 40

Farsund 58-04N 06-45E 29

Storefjell 58-09N 06-43E 52

Bjerkreim 58-38N 05-58E 66

Stavanger 58-56N 05-43E 40

Bokn 59-13N 05-26E 50

Haugesund 59-25N 05-20E 47

Valhall (Rig) 56-17N 03-24E 30

Ekofisk (Rig) 56-32N 03-13E 30

Ula (Rig) 57-07N 02-51E 30

Draupner (Rig) 58-11N 02-28E 30

Sleipner A (Rig) 58-22N 01-54E 30

Stord 59-52N 05-30E 74

Sotra 60-19N 05-07E 53

Bergen 60-25N 05-22E 65

Lindas 60-35N 05-20E 59

Grimo 60-24N 06-40E 69

Oseberg (Rig) 60-30N 02-50E 30

Florø 002570500 - - MRCC Stavanger

Gulen 61-02N 05-09E 73

Sogndal 61-10N 07-07E 93

Kinn 61-34N 04-46E 52

Bremanger 61-52N 05-00E 74

Raudeberg 62-00N 05-09E 38

Sagtennene 61-54N 06-07E 85

Snorre (Rig) 61-27N 02-09E 31

Gullfaks (Rig) 61-11N 02-11E 30

Nerlandshorn 62-21N 05-33E 59

Hjørunganes 62-21N 06-07E 19

Aksla 62-29N 06-12E 41

Gamlemsveten 62-35N 06-19E 80

Orskogfjellet 62-31N 06-52E 69

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 59

I Norway (cont.) Hellesylt 002570500 62-08N 06-56E 42 MRCC Stavanger

Geiranger 62-07N 07-10E 57

Molde 62-45N 07-08E 59

Reinsfjell 62-57N 07-56E 84

Kristiansund 63-07N 07-42E 34

Litlefonni 63-23N 08-43E 56

Forbordsfjell 63-32N 10-54E 66

Mosvik 63-46N 10-58E 55

Kopparen 63-48N 09-45E 64

Yttervåg 64-18N 10-18E 34

Namsos 64-27N 11-32E 58

Rørvik 64-53N 11-14E 43

Draugen (Rig) 64-21N 07-47E 30

Åsgård B (Rig) 65-07N 06-47E 30

Heidrun (Rig) 65-20N 07-19E 30

Bodø 002570700 - - MRCC Bodø

Vega 65-38N 11-54E 75

Horva 66-01N 12-49E 57

Mo i Rana 66-12N 13-45E 71

Traenfjord 66-32N 12-49E 53

Meløy 66-51N 13-38E 50

Rønvikfjell/Bodø 67-18N 14-27E 41

Fornesfjell 67-26N 15-27E 68

Værøy 67-40N 12-38E 59

Steigen 67-50N 15-00E 77

Fredvang 68-06N 13-11E 21

Hagskaret 68-10N 13-42E 36

Kvalnes 68-21N 13-58E 40

Raften/Svolvaer 68-24N 15-07E 18

Storheia/Hadsel 68-33N 14-53E 61

Myre/Vesteralen 68-57N 15-01E 30

Stamnes 68-49N 15-29E 13

Andenes 69-17N 16-01E 54

Lødingen 68-24N 15-58E 13

Harstad 68-48N 16-31E 36

Veggen/Narvik 68-28N 17-10E 48

Kistefjell 69-18N 18-08E 85

Tromsø 69-39N 18-57E 36

Tønsnes 69-43N 19-08E 47

Hillesoy 69-39N 18-00E 41

Bjørnøya 74-31N 19-01E 40

Vardø 002570800 - - MRCC Bodø

Torsvag 70-15N 19-30E 23

Trolltind 70-04N 20-26E 78

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 60

I Norway (cont.) Skjervoy 002570800 70-01N 20-59E 37 MRCC Bodø

Helligfjell 70-07N 22-56E 63

Fuglen 70-39N 21-58E 55

Tyven 70-38N 23-42E 57

Havoysund 71-00N 24-36E 49

Honningsvåg 70-59N 25-54E 56

Oksen 70-58N 27-21E 51

Mehamn 71-03N 28-07E 49

Berlevåg 70-52N 29-05E 40

Tana 70-28N 28-13E 65

Båtsfjord 70-40N 29-42E 49

Vardø 70-20N 31-02E 40

Varangefjord 70-05N 29-49E 41

Kirkenes 69-45N 30-08E 44

Svalbard 002570900 - - MRCC Bodø

Isfjord 78-02N 13-40E 23

Longyearbyen 78-15N 15-24E 21

Kongsvegpasset 78-45N 13-30E 78

Poland Witowo 002610210 - - MRCC Gdynia

Swinoujscie 53-55N 14-15E 20

Grzywacz 53-57N 14-30E 35

Kolowo 53-20N 14-41E 40

Kolorzeg 54-11N 15-33E 25

Barzowice 54-28N 16-30E 30

Rowakol 54-39N 17-13E 35

Rozewie 54-50N 18-20E 25

Oksywie 54-33N 18-32E 30

Krynica Morska 54-24N 19-30E 20

Russian

Federation

Saint Petersburg 002733700 59-53N 30-13E 27 MRCC Saint

Petersburg Primorsk 60-20N 28-43E 30

Vyborg 002734415 60-42N 28-43E 17.5

Kaliningrad 002734417 54-58N 19-59E 26 MRSC Kaliningrad

Murmansk 002734420 68-58N 33-01E 18 MRCC Murmansk

Arkhangel’sk 002734414 64-32N 40-32E 25.6 MRSC

Mudyug 64-51N 40-17E 24.5 Arkhangel’sk

Sweden Göteborg 002653000 - - MRCC Göteborg

Umeå 63-50N 19-49E 59

Väddö 59-58N 18-50E 37

Svenska Högarna 59-27N 19-30E 21

Stockholm 59-18N 18-10E 50

Skellefteå 64-46N 20-57E 49

Seskarö 65-44N 23-44E 24

Luleå 65-32N 21-55E 36

Mjällom 62-59N 18-23E 48

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 61

I Sweden (cont.) Härnösand 002653000 62-36N 17-55E 40 MRCC Göteborg

Sundsvall 62-24N 17-28E 40

Hudiksvall 61-42N 16-51E 60

Gävle 60-38N 17-08E 42

Öregrund 60-30N 18-24E 30

Västerås 59-38N 16-24E 45

Södertälje 59-13N 17-37E 35

Torö 58-49N 17-51E 31

Norrköping 58-40N 16-28E 49

Gotska Sandön 58-23N 19-14E 27

Fårö 57-52N 19-00E 30

Visby 57-35N 18-22E 48

Hoburgen 56-56N 18-13E 30

Västervik 57-43N 16-26E 50

Borgholm 56-51N 16-42E 30

Ölands Södra 56-14N 16-27E 28

Karlskrona 56-14N 15-39E 32

Kivik 55-40N 14-09E 44

Trelleborg 55-28N 13-16E 36

Helsingborg 56-02N 12-41E 32

Falkenberg 56-50N 12-41E 39

Göteborg 57-41N 12-03E 47

Hunnebostrand 58-25N 11-25E 34

Strömstad 58-55N 11-10E 30

Vänersborg 58-19N 12-16E 27

Kinnekulle 58-36N 13-24E 48

Karlsborg (Vättern) 58-40N 14-34E 38

United

Kingdom

Falmouth 002320014 50-08N 05-07W 26 MRCC Falmouth

Lizard 49-59N 05-12W 27

Scillies 49-56N 06-18W 26

Lands End 50-08N 05-39W 44

St. Ives 50-13N 05-28W 19

Trevose Head 50-33N 05-02W 30

Bude 50-49N 04-33W 20

Brixham 002320013 - - MRSC Brixham

Rame Head 50-19W 04-13W 30

East Prawle 50-13N 03-42W 34

Dartmouth 50-21N 03-35W 31

Berry Head 50-24N 03-29W 27

Portland 002320012 - - MRSC Portland

Grove 50-33N 02-25W 33

Bincleaves 50-36N 02-27W 16

Hengistbury Head 50-43N 01-46W 21

Beer Head 50-41N 03-06W 35

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 62

I United

Kingdom (cont.)

Solent 002320011 - - MRSC Solent

Boniface (Tx) 50-36N 01-12W 44

Stenbury (Rx) 50-37N 01-14W 44

Selsey Bill 50-44N 00-48W 19

Newhaven 50-47N 00-03W 27

Guernsey (Channel

Islands)

002320064 49-26N 02-36W 50

Jersey Radio (Channel

Islands)

002320060 49-11N 02-14W 35

Dover (Rx) 002320010 51-08N 01-21E 33 MRCC Dover

West Hougham (Tx) 51-07N 01-15E 45

Fairlight 50-52N 00-40E 34

North Foreland 51-22N 01-25E 25

Thames 002320009 51-52N 01-16E 18 MRSC Thames

Shoeburyness 51-31N 00-46E 17

Bradwell 51-44N 00-53E 16

Bawdsey 52-00N 01-25E 24

Yarmouth 002320008 52-36N 01-42E 20 MRCC Yarmouth

Lowestoft 52-29N 01-42E 19

Trimingham 52-55N 01-20E 30

Langham 52-57N 00-57E 24

Skegness 53-09N 00-21E 18

Trusthorpe 53-19N 00-16E 23

Humber 002320007 - - MRSC Humber

Easington 53-39N 00-06E 25

Flamborough 54-08N 00-06W 26

Whitby 54-29N 00-36W 30

Hartlepool 54-42N 01-10W 19

Cullercoats 55-04N 01-28W 25

Newton 55-31N 01-37W 24

Forth 002320005 56-17N 02-35W 21 MRSC Forth

St. Abbs 55-54N 02-12W 42

Craigkelly 56-04N 03-14W 49

Inverbervie 56-51N 02-16W 37

Aberdeen 002320004 - - MRCC Aberdeen

Gregness 57-08N 02-03W 25

Peterhead 57-31N 01-46W 19

Windy Head 57-39N 02-14W 45

Banff 57-38N 02-31W 33

Thrumster 58-24N 03-07W 39

Rosemarkie 57-38N 04-05W 43

Foyers 57-14N 04-31W 44

Noss Head 58-29N 03-03W 22

Dunnet Head 58-40N 03-22W 30

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 63

I United

Kingdom (cont.)

Ben Tongue 002320004 58-30N 04-24W 50 MRCC Aberdeen

Durness 58-34N 04-44W 26

Shetland 002320001 60-09N 01-08W 26 MRSC Shetland

Wideford Hill 58-59N 03-01W 44

Compass Head 59-52N 01-16W 33

Fitful Head 59-54N 01-23W 47

Collafirth Hill 60-32N 01-23W 46

Saxa Vord 60-50N 00-50W 44

Stornoway 002320024 - - MRSC Stornoway

Butt of Lewis 58-28N 06-14W 24

Forsnaval 58-13N 07-00W 44

Port Naguran 58-15N 06-10W 23

Rodel 57-45N 06-57W 29

Clettraval 57-37N 07-27W 37

Scoval 57-27N 06-42W 48

Skriaig 57-23N 06-14W 57

Barra 57-01N 07-30W 30

Melvaig 57-51N 05-47W 48

Arisaig 56-55N 05-50W 35

Clyde 002320022 55-58N 04-48W 20 MRCC Clyde

Pulpitt Hill 56-19N 05-21W 35

Torosay 56-27N 05-44W 58

Glengorm 56-38N 06-08W 47

Tiree 56-30N 06-57W 35

Law Hill 55-42N 04-50W 41

Rhu Stafnish 55-22N 05-32W 44

Kilchiaran 55-46N 06-27W 37

South Knapdale 55-55N 05-28W 62

Belfast 002320021 - - MRSC Belfast

Orlock Head 54-40N 05-35W 23

Slieve Martin 54-06N 06-10W 61

Black Mountain 54-35N 06-01W 62

West Torr 55-12N 06-05W 33

Limavady 55-06N 06-53W 53

Liverpool 002320019 53-30N 03-03W 17 MRSC Liverpool

Moel-Y-Parc 53-13N 03-19W 57

Langthwaitet 54-02N 02-46W 37.5

Snaefell 54-16N 04-28W 70

Spanish Head 54-04N 04-46W 37

Caldbeck 54-44N 03-03W 65

Holyhead 002320018 53-19N 04-38W 17 MRSC Holyhead

Rhiw 52-50N 04-38W 51

South Stack 53-18N 04-42W 38

Great Orme 53-20N 03-51W 43

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 64

I United

Kingdom (cont.)

Milford Haven 002320017 - - MRSC Milford

Tenby 51-42N 04-41W 29 Haven

St. Ann’s Head 51-40N 05-11W 33

Dinas Head 52-00N 04-54W 43

Blaenplwyf 52-22N 04-06W 50

Swansea 002320016 - - MRCC Swansea

Gower 51-34N 04-17W 27

Mumbles Hill 51-34N 03-59W 29

St. Hilary 51-27N 03-24W 50

Severn Bridge 51-37N 02-39W 33

Combe Martin 51-10N 04-03W 47

Ilfracombe 51-13N 04-05W 27

Hartland Point 51-01N 04-31W 35

II Benin Cotonou 006100001 06-21N 02-26E 29

France Etel (CROSS) 002275000 47-40N 03-12W 26 MRCC Etel

Penmarc’h 47-48N 04-22W 28

Groix 47-39N 03-30W 24

Belle Ile 47-19N 03-14W 27

Kerrouault 47-27N 02-30W 33

Armandeche 46-42N 01-55W 21

Ile D’Yeu 46-43N 02-23W 24

Soulac 45-32N 01-06W 24

Chassiron 46-03N 01-25W 22

Cap Ferret 44-38N 01-15W 22

Contis 43-48N 01-18W 23

Hourtin 45-09N 01-10W 23

Biarritz 43-32N 01-32W 26

Ghana Tema 006270000 - - Harbor Master’s

Winneba 05-21N 00-37W 60 Office Accra

Aflao 06-07N 01-11W 60

Tema 05-38N 00-00 60

Cape Coast 05-07N 01-15W 60

Half Assini 05-03N 02-53W 60

Takoradi 04-54N 01-45W 60

Axim 04-52N 02-14W 60

Ada 05-47N 00-38W 60

Spain Bilbao (CCR) 002241021 - - MRCC Bilbao

Pasajes 43-17N 01-55W 35

Bilbao 43-16N 03-02W 35

Santander 43-25N 03-36W 35

Cabo Penas 43-26N 05-35W 35

Navia 43-25N 06-50W 35

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 65

II Spain (cont.) MRCC Bilbao* 002240996 43-21N 03-02W 30 MRCC Bilbao

MRSC Santander* 002241009 43-28N 03-43W 30 MRSC Santander

MRCC Gijon* 002240997 43-34N 05-42W 30 MRCC Gijon

MRSC Coruna* 002240992 - - MRSC Coruna

Cabo Priorino 43-28N 08-20W 30

Coruna 43-22N 08-23W 30

Coruna (CCR) 002241022 - -

Cabo Ortegal 43-35N 07-47W 35 MRCC Finisterre

Coruna 43-10N 08-18W 35 MRSC Coruna

Vigo 42-10N 08-41W 35 MRSC Vigo

La Guardia 41-53N 08-52W 35 MRCC Finisterre

Finisterre 42-55N 09-17W 35

MRCC Finisterre* 002240993 - -

Monte Beo 43-20N 08-50W 40

Finisterre 42-42N 08-59W 40

Monte Xastas 43-02N 09-16W 40

Monte Taume 42-36N 09-03W 40

MRSC Vigo* 002240998 42-14N 08-43W 30 MRSC Vigo

MRSC Huelva* 002241012 37-14N 06-57W 30 MRSC Huelva

MRSC Cadiz* 002241011 36-32N 06-18W 30 MRSC Cadiz

MRCC Tarifa* 002240994 - - MRCC Tarifa

Cape Trafalgar 36-12N 06-01W 30

Tarifa 36-01N 05-35W 30

Punta Almina 35-54N 05-17W 30

MRSC Algeciras* 002241001 36-07N 05-26W 30 MRSC Algeciras

Malaga (CCR) 002241023 - - MRCC Tarifa

Huelva 37-13N 07-07W 35 MRSC Huelva

Cadiz 36-32N 06-18W 35 MRSC Cadiz

Tarifa 36-03N 05-33W 35 MRCC Tarifa

Tenerife (CCR) 002241025 - -

Arrecife 29-08N 13-31W 35 MRCC Las Palmas

Fuerteventura 28-33N 13-55W 35

Las Palmas 27-58N 15-33W 35

Gomera 28-06N 17-06W 35

Hierro 27-48N 17-55W 35 MRCC Tenerife

Tenerife 28-27N 16-23W 35

La Palma 28-39N 17-50W 35

MRCC Tenerife* 002241007 28-29N 16-14W 30

MRCC Las Palmas* 002240995 - - MRCC Las Palmas

Las Palmas 28-09N 15-25W 30

La Isleta 28-10N 15-25W 30

*NOTE: The primary responsibility for the receipt of VHF DSC distress alerts for Spain is carried out via the Coast Radio

Stations. VHF DSC facilities maintained at various MRCCs and MRSCs are only complementary to the Coast Radio Stations

network.

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 66

III Bulgaria Varna 002070810 43-15N 27-57E 52 MRCC Varna

Bourgas 42-29N 27-28E 45

Croatia Split 002380100 - - MRCC Rijeka

Savudrija 45-29N 13-29E 30

Ucka 45-17N 14-12E 90

Kamenjak 44-46N 14-47E 50

Susak 44-31N 14-18E 50

Celavac 44-16N 15-47E 80

Ugljan 44-04N 15-10E 40

Labistica 43-35N 16-13E 80

Vidova Gora 43-17N 16-37E 50

Hum (Otok Vis) 43-01N 16-07E 70

Uljenje 42-54N 17-29E 70

Srd 42-39N 18-07E 50

Hum (Otok Lastovo) 42-45N 16-52E 40

Rijecka 002380200 45-20N 14-25E 30

Dubrovnik 002380300 42-39N 18-05E 30

MRCC Rijecka 002387010

002387020

45-19E 14-27E 15

MRSC Zadar 002387400

002387401

44-07N 15-13E 7 MRSC Zadar

MRSC Sibenik 002387500

002387501

43-44N 15-54E 7 MRSC Sibenik

MRSC Split 002387040

002387030

43-30N 16-27E 10 MRSC Split

MRSC Dubrovnik 002387800

002387801

42-39N 18-05E 15 MRSC Dubrovnik

Cyprus Cyprus 002091000 - - RCC Larnaca

Pissouri 34-39N 32-42E 50

Olympus 34-56N 32-51E 120

Kionia 34-55N 33-12E 100

Egypt Alexandria 006221111 31-11N 28-55E 23 RCC Cairo

Marsa Matruh 31-21N 27-14E 23

Ras Alhkima 31-09N 27-49E 25

El Dab’a 31-02N 28-28E 27

El’ Alamein 30-51N 28-55E 25

Sidi Kerier 31-02N 29-39E 25

Rashid 31-27N 30-22E 27

Baltim 31-33N 31-05E 27

Port Said 006221113 31-15N 32-19E 21

Ras el Barr 31-30N 31-50E 27

Beir Al Abd 31-02N 33-00E 27

Arish 31-07N 33-48E 27

Ismailia 30-36N 32-16E 24

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 67

III Egypt (cont.) Suez 006221113 29-58N 32-33E 22 RCC Cairo

Zhafarana 29-07N 32-39E 27

France La Garde (CROSS) 002275400 43-06N 05-59E 23 MRCC La Garde

Bear 42-31N 03-08E 30

Pic Neoulos 42-29N 02-57E 94

Agde 43-17N 03-30E 31

Espiguette 43-29N 04-08E 19

Place du Planier 43-12N 05-14E 25

Mont Coudon 43-10N 06-10E 72

La Garoupe 43-34N 07-08E 30

Cap Camarat 43-12N 06-40E 30

Pic de l’Ours 43-28N 06-54E 62

Aspretto (Sous CROSS) 002275420 41-55N 08-46E 30 MRCC La Garde/

Ersa 42-58N 09-23E 64 MRSC Corse

Serra Di Pigno 42-52N 09-24E 83

Piana 42-14N 08-38E 69

Punta 41-57N 08-42E 75

Serragia 41-31N 08-59E 58

Conca 41-44N 09-23E 54

Georgia Batumi 002130100 41-39N 41-39E 50 MRCC Georgia

Poti 002130300 42-09N 41-39E 50 RSC Poti

Greece Olympia 002371000 38-01N 23-50E - JRCC Piraeus

Gerania 38-00N 23-20E 98

Poros/Darditsa 37-30N 23-27E 73

Thassos 40-47N 24-43E 90

Sfendami 40-25N 22-31E 41

Thira 36-25N 25-26E 66

Chios 38-23N 26-03E 78

Kefallinia 38-08N 20-40E 107

Kerkyra 39-45N 19-52E 82

Kythira 36-09N 22-59E 52

Limnos 39-52N 25-04E 59

Sitia (Mare) 35-12N 26-06E 75

Mytilini 39-04N 26-21E 84

Parnitha 38-10N 23-44E 98

Petalidi 36-56N 21-52E 83

Pilio 39-22N 22-57E 104

Rodhos 36-16N 27-56E 78

Syros 37-27N 24-56E 57

Knossos 35-17N 24-53E 87

Patmos 37-18N 26-32E 46

Moustakos 35-18N 23-37E 84

Tsoukalas 40-23N 23-28E 68

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 68

III Greece (cont.) Faistos 002371000 35-00N 25-12E 84 JRCC Piraeus

Astypalea 36-36N 28-26E 59

Karpathos 35-28N 27-10E 66

Brochas Kritis 35-19N 25-44E 65

Lichada 38-52N 22-53E 60

Skiros 38-50N 24-30E 68

Andros 37-56N 24-46E 55

Milos 36-41N 24-23E 78

Aspropirgos 002391000 38-03N 23-35E 30

Israel Haifa 004280001 32-49N 35-00E 50 Haifa Radio

Italy Roma 002470001 - -

Conconello 45-40N 13-47E 38 MRSC Trieste

Piancavallo 46-05N 12-32E 70

Monte Cero 45-15N 11-40E 45 MRSC Venezia

Ravenna Bassette 44-24N 12-12E 20 MRSC Ravenna

Forte Garibaldi 43-36N 13-31E 39 MRSC Ancona

Monte Conero 43-33N 13-26E 60

Monte Secco 42-58N 13-52E 38

Silvi Paese 42-33N 14-05E 40

Porto Cervo Eliporto 41-08N 09-32E 25 MRSC Cagliari

Monte Moro 41-06N 09-30E 40

Monte Limbara 40-51N 09-10E 55

Osilo 40-44N 08-40E 40

Campu Spina 39-22N 08-34E 55

Margine Rosso 39-13N 09-14E 19

Monte Serpeddi 39-22N 09-17E 55

Badde Urbara 40-09N 08-37E 55

Monte Tului 40-15N 09-35E 55

Monte Paradiso 42-05N 11-51E 50 MRSC Roma

Monte Cavo 41-45N 12-42E 60

Formia Ascatiello 41-15N 13-36E 30

Monte Argentario 42-23N 11-10E 40 MRSC Livorno

Gorgona 43-25N 09-53E 40

Monte Nero 43-29N 10-21E 40

Zoagli 44-19N 09-15E 37 MRSC Genova

Castellaccio 44-25N 08-56E 45

Monte Bignone 43-52N 07-43E 50

Palermo 002470002 - -

Monte Calvario 42-04N 14-39E 45 MRSC Ancona

Abbate Argento 40-52N 17-17E 50 MRSC Bari

Monte Parano 40-26N 17-25E 35

Monte Sardo 39-52N 18-20E 39

Casa D’orso 41-49N 15-59E 55

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 69

III Italy (cont.) Capo Colonna 002470002 39-01N 17-09E 37 MRSC Reggio

Calabria Punta Stilo 38-26N 16-34E 26

Capo dell’Armi 37-57N 15-40E 31

Serra del Tuono 39-55N 15-50E 55

Ustica 38-42N 13-10E 40 MRSC Palermo

Monte Erice 38-02N 12-35E 55

Pantelleria 36-46N 12-01E 70

Lampedusa 35-30N 12-37E 25

Caltabellotta 37-34N 13-13E 65

Gela 37-04N 14-14E 19

Siracusa Belvedere 37-05N 15-12E 40 MRSC Catania

Augusta Campolato

Alto

37-16N 15-12E 31

Forte Spuria 38-16N 15-37E 32

Cefalu 38-01N 13-57E 40 MRSC Palermo

Capri 40-33N 14-15E 40 MRSC Napoli

Napoli Posillipo 40-48N 14-11E 36

Varco del Salice 40-17N 15-02E 60

Romania Constanta 002640570 - - Constanta Harbor

Constanta 44-06N 28-38E 25 Master

Enisala 44-51N 28-52E 44

Mahmudia 45-05N 29-04E 45

Sfintu Gheorghe 45-18N 29-34E 24

Russian

Federation

Novorossiysk 002734411 44-41N 37-47E 26 MRCC

Doob 44-36N 37-58E 51 Novorossiysk

Anapa 44-50N 37-21E 52

Sochi 43-32N 39-51E 71

Taganrog 47-14N 38-56E 19

Temrujk 45-19N 37-13E 28

Tuapse 002734413 44-06N 39-02E 46

Rostov-na-Donu 002734422 47-13N 39-44E 21

Eisk 002734422 46-43N 38-16E 23

Kosa Dolgaya 46-40N 37-45E 25

Astrakhan (Caspian Sea) 002734419 46-30N 48-00E 22.5 MRCC Astrakhan

Iskusstvennyi 45-23N 47-47E 25

Makhachkala 002734423 42-59N 47-30E 23

Serbia and

Montenegro

Bar 002790001 42-03N 19-09E 35 MRCC Bar

Obosnik 002790002 42-25N 18-37E 35

Slovenia Koper 002780200 45-32N 13-59E 86 MRCC Koper

Spain Malaga (CCR) 002241023 - - MRCC Tarifa

Malaga 36-36N 04-36W 35

Melilla 35-19N 02-57W 35 MRCC Almeria

Motril 36-53N 02-48W 35

Cabo Gata 36-43N 02-10W 35

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 70

III Spain (cont.) MRCC Almeria* 002241002 - - MRCC Almeria

Almeria 36-50N 02-29W 30

Cabo Gata 36-43N 02-11W 30

MRSC Cartagena* 002241003 37-35N 00-58W 30 MRSC Cartagena

MRCC Valencia* 002241004 39-27N 00-20W 30 MRCC Valencia

Valencia (CCR) 002241024 - -

Cartagena 37-35N 00-58W 35 MRSC Cartagena

Alicante 38-20N 00-42W 35 MRCC Valencia

Castellon 39-52N 00-19W 35

Cabo de la Nao 38-43N 00-10E 35

Tarragona 41-21N 01-32E 35 MRSC Tarragona

Barcelona 41-25N 02-07E 35 MRCC Barcelona

Bagur 41-57N 03-14E 35

Menorca 39-59N 04-07E 35 MRCC Palma

Palma de Mallorca 39-44N 02-43E 35

Ibiza 38-55N 01-16E 35

MRSC Castellon* 002241016 39-58N 00-01E 30 MRSC Castellon

MRSC Tarragona* 002241006 41-06N 01-14E 30 MRSC Tarragona

MRCC Barcelona* 002240991 41-20N 02-09E 40 MRCC Barcelona

MRCC Palma* 002241005 - - MRCC Palma

Palma 39-34N 02-39E 30

Cabo Cala Figuera 39-27N 02-31E 30

Turkey Samsun 002712000 - - MRCC Ankara

Pazar 41-08N 40-49E 60

Hidirnebi 40-58N 39-26E 99

Uçpinar 41-19N 36-06E 94

Dütmen 41-26N 35-28E 107

Inebolu 41-53N 33-43E 85

Zonguldak 41-23N 31-49E 67

Istanbul 002711000 - -

Akçakoca 40-58N 31-12E 66

Keltepe 40-38N 30-05E 105

Sarköy 40-41N 27-01E 70

Camlica 41-01N 29-04E 45

Mahyadagi 41-47N 27-37E 85

Kayalidag 39-58N 26-38E 79

Akdag 38-33N 26-30E 92

Antalya 002713000 - -

Dilektepe 37-39N 27-09E 93

Palamut 36-45N 27-03E 79

Yumrutepe 36-15N 29-27E 88

*NOTE: The primary responsibility for the receipt of VHF DSC distress alerts for Spain is carried out via the Coast Radio

Stations. VHF DSC facilities maintained at various MRCCs and MRSCs are only complementary to the Coast Radio Stations

network.

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 71

III Turkey (cont.) Markiz 002713000 36-43N 30-29E 80 MRCC Ankara

Anamur 36-02N 32-45E 61

Cobandede 36-31N 36-15E 108

Ukraine Odessa 002723660 46-25N 30-46E 25 MRCC Odessa

Theodosia 002723663 45-01N 35-23E 35

Kerch 002723659 45-21N 36-32E 25

Mariupol 002723650 47-03N 37-30E 23

IV Bermuda Bermuda Harbor 003100001 32-23N 64-41W 30 RCC Bermuda

Canada Labrador 003160022 - - JRCC Halifax

Nain 56-33N 61-43W 40

Hopedale 55-27N 60-13W 40

Cartright 53-44N 56-58W 40

Goose Bay 53-18N 60-33W 40

St. Anthony 003160021 51-30N 55-50W 40

Fox Harbor 52-22N 55-40W 40

L’Anse aux Meadows 51-34N 55-30W 40

Conche 50-54N 55-53W 40

Twillingate 49-41N 54-48W 40

Comfort Cove 49-15N 54-53W 40

St. John’s 003160020 47-37N 52-40W 40

Lumsden 49-17N 53-35W 40

Cape Bonavista 48-42N 53-05W 40

Victoria 47-47N 53-17W 40

Placentia 003160019 - -

Cape Pine 46-37N 53-32W 40

Cuslett 46-58N 54-09W 40

Freshwater Hill 47-16N 53-59W 40

Arnold’s Cove 47-46N 54-00W 40

St. Lawrence 46-55N 55-23W 40

Fortune Head 47-04N 55-51W 40

Bay L’Argent 47-37N 54-52W 40

Hermitage 47-34N 55-57W 40

Port aux Basques 003160018 47-41N 59-16W 40

Ramea Island 47-31N 57-25W 40

Stephenville 48-33N 58-46W 40

Pinetree 48-35N 58-40W 40

Mount Moriah 48-58N 58-03W 40

Bonne Bay 49-36N 57-57W 40

Point Riche 50-42N 57-25W 40

Riviere au Renard 003160025 49-01N 64-24W 40

Harrington Harbor 50-30N 59-29W 40

La Romaine 50-13N 60-41W 40

Natashquan 50-09N 61-48W 40

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 72

IV Canada (cont.) Havre St. Pierre 003160025 50-16N 63-41W 40 JRCC Halifax

Forillon 48-50N 64-16W 40

Heath Point 49-05N 61-42W 40

Newport 48-14N 64-48W 40

Carleton 48-08N 66-07W 40

Cap-aux-Meules 47-23N 61-52W 40

Sydney 003160017 46-11N 59-54W 40

Point Escuminac 47-04N 64-48W 40

North Cape 47-03N 64-00W 40

Cape Egmont 46-24N 64-08W 40

Montague 46-11N 62-40W 40

Cheticamp 46-35N 60-59W 40

Cape North 47-01N 60-26W 40

Kilkenny Lake 46-13N 60-10W 40

St. Columba 46-00N 60-51W 40

Halifax 003160016 - -

Fox Island 45-20N 61-05W 40

Ecum Secum 44-58N 62-09W 40

Shannon Hill 44-41N 63-37W 40

Ketch Harbor 44-28N 63-37W 40

Kingsburg 44-17N 64-17W 40

Saint John 003160015 45-14N 65-59W 40

Scotch Mountain 45-46N 65-48W 40

Cape Blomidon 45-13N 64-24W 40

Grand Manan 44-36N 66-54W 40

Tiverton 44-23N 66-14W 40

Yarmouth 43-44N 66-07W 40

Lockeport 43-40N 65-08W 40

Mexico Tampico 003450110 22-12N 97-51W 80 MRCC Ciudad

Madero

Veracruz 003450310 19-06N 96-08W 80 MRCC Veracruz

Chetumal 003451120 18-30N 88-17W 80 MRCC Chetumal

Cozumel 003451110 20-28N 86-58W 80 MRSC Isla

Cozumel

Ciudad del Carmen 003450710 18-39N 91-51W 80 MRSC LermaCampeche

Progreso 003450910 21-16N 89-41W 80 MRSC Yukalpeten

Coatzacoalcos 003450320 18-09N 94-26W 80 MRCC Veracruz

NOTE: The following local VHF DSC stations assist with SAR communications within their

individual coastal areas:

Isla Mujeres 003451171 21-14N 87-00W 20 MRSC Isla Mujeres

Tuxpan 003450372 20-57N 97-22W 20 MRSC Tuxpan

Lerma 003450772 19-49N 90-35W 20 MRSC Lerma

Matamoros 003450172 25-44N 97-33W 20 MRSC Matamoros

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 73

IV Mexico (cont.) NOTE: The following local VHF DSC stations assist with SAR communications within their

individual coastal areas:

Mezquital 003450173 25-15N 97-27W 20 MRSC Mezquital

Cayo Arcas 003450974 20-13N 91-58W 20 MRSC Cayo Arcas

Isla Holbox 003451174 21-32N 87-17W 20 MRSC Isla Holbox

Isla Contoy 003451175 21-30N 84-48W 20 MRSC Isla Contoy

Playa Linda 003451176 21-08N 86-47W 20 MRSC Playa Linda

Netherlands

Antilles

Curaçao 003061000 - - JRCC Curaçao

Seru Gracia (Curaçao) 12-20N 69-08W 40

Jamanota (Aruba) 12-29N 69-56W 35

Sibu Rincon (Bonaire) 12-14N 68-20W 30

Mt. Scenery (Saba) 17-38N 63-14W 70

VI Argentina Argentina Radio 007010111 34-36S 58-28W 35 MRCC Buenos

Buenos Aires 007010001 34-27S 58-37W 35 Aires

Mar del Plata (Armada) 007010221 38-03S 57-32W 35 MRCC Puerto

Mar del Plata 007010003 38-03S 57-32W 35 Belgrano

Comodoro Rivadavia 007010008 45-51S 67-25W 35

Rio Gallegos 007010010 51-37S 69-03W 35 MRCC Ushuaia

San Blas 007010006 40-33S 62-14W 35 MRSC Bahia

Blanca

Uruguay Montevideo 007703870 - - MRCC Montevideo

Armada Radio 34-56S 56-09W 30

Carmelo Radio 33-59S 58-17W 30

Colonia Radio 34-28S 57-50W 30

Piriapolis Radio 34-52S 55-16W 30

Chafalote Radio 34-28S 54-26W 30

Santa Teresa Radio 34-00S 53-33W 30

VIII India Daman 004192201 20-25N 72-52E 20 MRCC Mumbai

Porbander 004192202 31-38N 69-37E 25

Mumbai 004192203 18-55N 72-50E 25

New Mangalore 004192204 12-55N 74-48E 25

Kochi 004192205 09-58N 76-16E 20

Goa 004192206 15-25N 73-48E 25

Okha 004192207 22-28N 69-05E 20

Chennai 004194401 13-06N 80-18E 25 MRCC Chennai

Vishakhapatnam 004194402 17-41N 83-17E 20

Paradip 004194403 20-16N 86-42E 25

Haldia 004194404 22-02N 88-06E 25

Tuticorn 004194405 08-45N 78-12E 20

Mandapam 004194406 09-17N 79-05E 20

Diglipor 004194407 13-18N 93-04E 25 MRCC Port Blair

Campbell Bay 004194408 07-00N 93-55E 30

Port Blair 004194409 11-41N 92-46E 30

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 74

VIII Mauritius Mauritius Radio 006452700 - - MRCC Mauritius

Albion 20-13S 57-24E 25

Belle Mare 20-11S 57-46E 25

Cap Malheureux 19-59S 57-36E 25

Souillac 20-31S 57-31E 25

Myanmar

(Burma)

Yangon (Rangoon) 005060100 16-42N 96-17E 25 MRCC Yangon

Myeik 005060200 12-26N 98-36E 25

IX Egypt Quseir 006221112 26-06N 34-17E 28 RCC Cairo

Ras Gharib 28-22N 33-04E 28

Zeitiya 27-49N 33-35E 29

Hurghada 27-15N 33-48E 28

Safaga 26-45N 33-56E 28

Sharm-El-Sheikh 27-51N 34-13E 24

Dahab 28-29N 34-29E 23

Iran Kharg (Island) 004225306 29-16N 50-15E 25-30 HQ PSO Tehran

Khorramshahr 004225309 30-20N 48-23E 25-30

Lengeh 004225307 26-33N 54-53E 25-30

Bandar Abbas 004225304 27-07N 56-04E 25-30

Bahonar 004225308 27-18N 57-17E 25-30

Bandar Khomeyni 004225300 30-30N 49-09E 25-30

Bushehr 004225302 28-58N 50-50E 25-30

Anzali (Caspian Sea) 004225305 37-25N 49-20E 25-30

Nowshahr (Caspian Sea) 004225303 36-40N 51-30E 25-30

Neka (Caspian Sea) 004225311 36-50N 53-15E 25-30

Israel Haifa 004280001 - - Haifa Radio

Elat 29-30N 34-58E 50

Jordan Aqaba Radio 004381234 29-27N 34-58E 25 Harbor Master

Aqaba Port Control 29-30N 34-59E 25 Aqaba

Kuwait Kuwait Radio 004472188 29-22N 47-59E N.I.

Pakistan Karachi 004634060 24-52N 67-01E 40 MRCC Karachi

Ormara 004634056 25-13N 64-38E 40

Gwadar 004634052 25-08N 64-20E 40

Qatar Mesaieed Port 004661001 25-56N 51-35E 50 Dept. of Customs &

Ports

Saudi Arabia Jiddah 004030000 - - RCC Jiddah

Duba 27-21N 35-42E 33

Al Wajh 26-14N 36-27E 33

Umm Lajj 25-01N 37-16E 33

Yanbu 24-05N 38-03E 33

Rabigh 22-48N 39-01E 33

Sharm Abhur 21-43N 39-06E 33

Jiddah 21-15N 39-10E 30

Al Shoaibah 20-40N 39-31E 35

Al Lith 20-08N 40-16E 35

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 75

IX Saudi Arabia

(cont.)

Al Qunfudhah 004030000 19-07N 41-05E 35 RCC Jiddah

Al Birk 18-12N 41-32E 35

Al Shaqiq 17-43N 42-01E 35

Jizan 16-53N 42-32E 35

Khafji 28-26N 48-29E 33

Al Jubayl 27-00N 49-39E 33

Dammam 26-26N 50-06E 33

Aziziyah 26-15N 50-10E 33

United Arab

Emirates

Emirates Radio 004700000 - - RCC Abu Dhabi

Fujayrah 25-04N 56-21E 25

Khawr Fakkan 25-21N 56-22E 25

Ras al Khaymah 25-47N 55-59E 25

Umm al Qaywayn 25-32N 55-32E 25

Jabal Ali 25-02N 55-06E 25

Abu Zaby (Abu

Dhabi)

24-28N 54-22E 25

Ruways (Jabal

Dhanna)

24-06N 52-44E 25

Zirkuh 24-53N 53-04E 25

X New Caledonia Noumea 005401000 - - MRCC Noumea

Noumea 22-16S 166-28E 40

Mont Do 21-45S 166-00E 95

Kafeate 21-02S 164-43E 51

Mandgelia 20-24S 164-32E 84

Ouvea 20-39S 166-32E 27

Lifou 21-06S 167-24E 36

Mare 21-28S 168-02E 28

Oungone 22-19S 166-55E 68

XI China Dalian 004121300 38-50N 121-31E 25 MRCC Liaoning

Fuzhou 004122600 26-02N 119-18E 25 MRCC Fujian

Guangzhou 004123100 23-08N 113-29E 25 MRCC Guangdong

Haikou 004123500 20-01N 110-17E 25 MRSC Haikou

Lianyungang 004122300 34-42N 119-18E 25 MRCC

Lianyungang

Ningbo 004122400 30-01N 121-30E 25 MRSC Ningbo

Qingdao 004122200 36-10N 120-28E 25 MRSC Qingdao

Qinhuangdao 004121200 39-33N 119-31E 25 MRCC Hebei

Shanghai 004122100 31-06N 121-32E 25 MRCC Shanghai

Tianjin 004121100 39-03N 117-25E 25 MRCC Tianjin

Xiamen 004122700 24-35N 118-06E 25 MRSC Xiamen

Yantai 004121400 37-32N 121-22E 25 MRSC Yantai

Zhanjiang 004123300 21-09N 110-21E 23 RSC Zhanjiang

Indonesia Amboina (Ambon) 005250006 03-41S 128-11E 20 MRSC Amboina

Balikpapan 005250009 01-16S 116-49E 20 MRSC Balikpapan

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 76

XI Indonesia

(cont.)

Batu Ampar 005250012 01-09N 104-00E 20 MRSC Tanjung

Pinang

Belawan 005250003 03-46N 98-41E 20 MRSC Medan

Benoa 005250014 08-44S 115-12E 20 MRSC Denpasar

Biak 005250031 01-12S 136-05E 20 MRCC Biak

Bitung 005250005 01-26N 125-10E 20 MRSC Menado

Cilacap 005250030 07-47S 109-02E 20 MRCC Jakarta

Dumai 005250004 01-39N 101-26E 20 MRSC Pekanbaru

Fak-Fak 005250026 02-56S 132-17E 20 MRSC Sorong

Jakarta 005250000 06-07S 106-51E 20 MRCC Jakarta

Jayapura 005250007 02-31S 140-43E 20 MRSC Jayapura

Kendari 005250019 03-58S 122-34E 20 MRCC Ujung

Pandang

Kupang 005250010 10-12S 123-37E 20 MRSC Kupang

Lembar 005250022 08-43S 116-04E 20 MRSC Denpasar

Makassar 005250002 05-06S 119-26E 20 MRCC Ujung

Pandang

Manokwari 005250023 00-51S 134-04E 20 MRCC Biak

Merauke 005250021 08-28S 140-23E 20 MRSC Merauke

Panjang 005250013 05-28S 105-19E 20 MRSC Palembang

Pantoloan 005250018 00-39S 119-44E 20 MRSC Menado

Pontianak 005250016 00-01S 109-19E 20 MRSC Pontianak

Sanana 005250025 02-03S 125-38E 20 MRSC Amboina

Sei Kolak Kiang 005250029 00-51N 104-36E 20 MRSC Tanjung

Pinang

Semarang 005250008 06-56S 110-19E 20 MRCC Surabaya

Sibolga 005250028 01-44N 98-46E 20 MRSC Medan

Sorong 005250011 00-53S 131-18E 20 MRSC Sorong

Surabaya 005250001 07-11S 112-43E 20 MRCC Surabaya

Tahuna 005250024 03-36N 125-30E 20 MRSC Menado

Tanjung Pinang 005250029 00-56N 104-29E 20 MRSC Tanjung

Pinang

Tarakan 005250017 03-17N 117-35E 20 MRSC Balikpapan

Ternate 005250020 00-47N 127-35E 20 MRSC Amboina

Malaysia Pinang - 05-26N 100-24E - MRCC Port Klang

Gunung Jerai 005330001 05-47N 100-26E 95

Gunung

Berinchang

005330003 04-31N 101-23E 117

Ulu Kali 005330004 03-26N 101-47E 114

Gunung Ledang 005330005 02-03N 102-34E 95

Tioman 005330006 02-48N 104-12E 27

Kuala Rompin 005330007 02-48N 103-29E 38

Kemuning 005330008 04-19N 103-28E 57

Kuala Terengganu 005330009 05-18N 103-08E 55

Machang 005330010 05-43N 102-17E 70

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 77

XI Malaysia (cont.) Kuching 005330011 01-35N 110-11E 85 MRCC Port Klang

Bintulu 005330012 03-13N 113-05E 48

Kota Kinabalu 005330013 06-02N 116-12E 75

Labuan 005330014 05-17N 115-15E 22

Republic of

Korea

Inchon Maritime Police 004401001 37-30N 126-30E 25 RCC Inchon

Donghae Maritime Police 004401002 37-31N 129-07E 25 RCC Donghae

Mokpo Maritime Police 004401003 34-46N 126-23E 25 RCC Mokpo

Busan Maritime Police 004401004 35-07N 129-02E 25 RCC Busan

Cheju Maritime Police 004401005 33-21N 126-49E 25 RCC Cheju

Inchon 004400001 37-34N 126-41E 25 RCC Inchon

Kangnung 004400601 37-45N 128-53E 25 RCC Donghae

Mokpo 004400301 34-48N 126-30E 25 RCC Mokpo

Busan 004400101 35-06N 129-03E 25 RCC Busan

Seoul 004400002 37-29N 128-43E 25 RCC Donghae

Singapore Singapore Port

Operations Control

005630002 01-16N 103-51E 25 Singapore Port

Operations Control

Center

Taiwan Chi-lung (Keelung) 004162019 - -

Anmashan (North) 24-16N 121-01E 86

Anmashan (West) 24-16N 121-01E 86

Chi-lung 25-08N 121-45E 21

Chinmen (Mainland) 24-28N 118-22E 32

Fukueichiao 25-14N 121-31E 40

Hotien Shan 23-53N 121-35E 45

Hsichuan Chuan 22-34N 121-01E 51

Lung Chuan 22-56N 120-26E 21

Matsu (Mainland) 26-13N 119-59E 32

San-I 24-24N 120-44E 43

Shou Shan 22-38N 120-15E 39

Suao 24-37N 121-52E 21

Taiho Shan 22-15N 120-52E 45

Taping 23-34N 120-36E 48

Taping Ting 22-01N 120-41E 30

Tsaoshan 25-06N 121-52E 51

Yingtzuling (North

East)

24-54N121-48E 64

Yingtzuling (South

East)

24-54N 121-48E 64

Thailand Bangkok Radio

(Nonthaburi)

005671000 - - RCC Bangkok

Sriracha 13-06N 100-55E 27

Petchaburi 12-59N 100-03E 27

Vietnam Ben Thuy 005742009 18-39N 105-42E 30 Cua Lo Port

Authority

Cua Ong (Cam Pha) 005742008 20-01N 107-22E 30 Quang Ninh Port

Authority

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 78

XI Vietnam (cont.) Da Nang 005741999 16-04N 108-13E 30 Da Nang Port

Authority

Hai Phong 005741996 20-52N 106-41E 30 Hai Phong Port

Authority

Ho Chi Minh City 005741993 10-46N 106-43E 30 Saigon Port

Authority

Hon Gai (Quang Ninh) 005742006 20-57N 107-04E 30 Quang Ninh Port

Authority

Hue 005742010 16-33N 107-38E 30 Thien Hue Port

Authority

Mong Cai 005742007 21-32N 107-58E 30 Quang Ninh Port

Authority

Nha Trang 005742001 12-12N 109-13E 30 Nha Trang Port

Authority

Vung Tau 005742004 10-21N 107-06E 30 Vung Tau Port

Authority

Hong Kong

(Associate

Member of

IMO)

Hong Kong Maritime

Rescue

004773500 22-24N 114-07E 50 MRCC Hong Kong

Victoria Peak

(Alternative)

22-16N 114-08E

XII Canada Prince Rupert 003160013 - - JRCC Victoria

Dundas 54-31N 130-55W 40

Mount Hayes 54-17N 130-18W 40

Naden Harbor 53-57N 132-57W 40

Mount Gil 53-16N 129-12W 40

Cumshewa 53-10N 132-00W 40

Klemtu 52-35N 128-34W 40

Rose Inlet 52-13N 131-13W 40

Calvert 51-35N 128-00W 40

Comox 003160014 49-45N 124-57W 40

Port Hardy 50-42N 127-42W 40

Texada 49-42N 124-26W 40

Discovery 50-19N 125-22W 40

Tofino 003160012 - -

Holberg 50-38N 128-08W 40

Eliza Dome 49-52N 127-07W 40

Esperanza 49-50N 126-48W 40

Nootka 49-36N 126-37W 40

Estevan Point 49-23N 126-32W 40

Port Alberni 49-13N 124-49W 40

Mount Ozzard 48-58N 125-30W 40

Amphitrite Point 48-55N 125-32W 40

Victoria 003160011 - -

Bowen 49-21N 123-23W 40

Annacis Island 49-12N 122-55W 40

Mount Parke 48-50N 123-18W 40

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 79

XII Canada (cont.) Mount Newton 003160011 48-37N 123-27W 40 JRCC Victoria

Helmcken 48-24N 123-34W 40

Vancouver 003160010 - -

Watts Point 49-39N 123-13W 40

Ecuador Guayaquil 007354750 02-11S 79-53W 30 Guayaquil Coast

Esmeraldas 007354752 00-57N 70-39W 30 Guard

Bahia 007354753 00-35S 80-25W 30

Manta 007354754 00-57S 80-43W 30

Salinas 007354755 02-12S 80-52W 30

Puerto Bolivar 007354756 03-16S 80-00W 30

Ayora 007354757 00-44S 90-20W 30

Baquerizo Moreno 007354758 00-54S 89-37W 30

Mexico Mazatlan 003450810 23-10N 106-26W 80 MRCC Mazatlan

Ensenada 003450210 31-51N 116-37W 80 MRCC Ensenada

Manzanillo 003451410 19-01N 104-19W 80 MRSC Puerto

Vallarta

Acapulco 003451810 16-50N 99-56W 80 MRSC Acapulco

Lazaro Cardenas 003451610 17-57N 102-12W 80 MRSC Lazaro

Cardenas

Puerto Vallarta 003451210 20-46N 105-32W 80 MRSC Puerto

Vallarta

NOTE: The following local VHF DSC stations assist with SAR communications within their

individual coastal areas:

Guaymas 003450671 27-55N 110-52W 20 MRSC Guaymas

Salina Cruz 003452071 16-11N 96-12W 20 MRSC Salina Cruz

La Paz 003450471 24-08N 110-21W 20 MRSC La Paz

Puerto Penasco 003450672 31-18N 113-35W 20 MRSC Puerto

Penasco

Topolobampo 003450872 25-35N 109-09W 20 MRSC

Topolobampo

Puerto Madero 003452271 14-42N 92-24W 20 MRSC Puerto

Madero

Puerto Cortez 003450472 24-33N 111-45W 20 MRSC Puerto

Cortez

Isla de Cedros 003450272 28-12N 115-15W 20 MRSC Isla de

Cedros

Isla Guadalupe 003450273 29-02N 118-17W 20 MRSC Isla

Guadalupe

San Felipe 003450274 31-01N 114-50W 20 MRSC San Felipe

Los Cabos 003450473 22-52N 109-53W 20 MRSC Los Cabos

Santa Rosalia 003450474 27-20N 112-15W 20 MRSC Santa

Rosalia

Isla Socorro 003450475 18-36N 110-58W 20 MRSC Isla Socorro

Isla Clarion 003451472 18-22N 115-44W 20 MRSC Isla Clarion

Huatulco 003452072 15-45N 96-08W 20 MRSC Huatulco

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 80

XII Mexico (cont.) NOTE: The following local VHF DSC stations assist with SAR communications within their

individual coastal areas:

Paredon 003452272 16-03N 93-52W 20 MRSC Paredon

San Blas 003450174 21-32N 105-17W 20 MRSC San Blas

XIII Russian

Federation

Vladivostok 002734412 43-07N 131-55E 55 MRCC Vladivostok

Nakhodka 42-51N 132-50E 45

Tumannaya (Posiet) 42-34N 131-11E 70

Yuzhno-Sakhalinsk 002733733 - - MRSC

Korsakov 46-45N 142-27E 42 Yuzhno-Sakhalinsk

Kholmsk 47-02N 142-03E 31

Nevelsk 46-38N 141-51E 40

Magadan 002734416 59-33N 150-43E 19 MRSC

PetropavlovskKamchatskiy

XV Chile Arica 007250010 18-29S 70-19W 39 MRSC Iquique

Iquique 007250020 20-21S 70-06W 64

Tocopilla 007250030 22-05S 70-12W 14

Mejillones 007250040 23-05S 70-27W 14

Antofagasta 007250050 23-40S 70-24W 30

Taltal 007250060 25-24S 70-29W 14 MRSC Valparaiso

Chanaral 007250070 26-21S 70-38W 14

Caldera 007250080 27-04S 70-49W 14

Huasco 007250090 28-27S 71-13W 14

Isla de Pascua 007250100 27-11S 109-25W 44

Coquimbo 007250110 29-56S 71-20W 62

Los Vilos 007250120 31-54S 71-31W 14

Quintero 007250125 32-46S 71-31W 14

Valparaiso 007251860 33-04S 71-36W 63

San Antonio 007250140 33-34S 71-37W 31

Juan Fernandez 007250130 33-37S 78-49W 14

Constitucion 007250150 35-19S 72-24W 14 MRSC Talcahuano

Talcahuano 007250170 36-37S 73-04W 32

Valdivia 007250220 39-48S 73-15W 14

Corral 007250210 39-53S 73-25W 14

Puerto Montt 007250230 41-39S 73-10W 34 MRCC Puerto

Corona 007250235 41-47S 73-52W 26 Montt

Ancud 007250240 41-52S 73-50W 14

Castro 007250250 42-29S 73-46W 14

Chaiten 007250260 42-55S 72-43W 14

Quellon 007250270 43-07S 73-37W 14

Isla Guafo 007250290 43-34S 74-49W 33

Melinka 007250280 43-54S 73-44W 14

Puerto Aguirre 007250294 45-09S 73-31W 14

Aysen 007250300 45-24S 72-43W 16

Puerto Chacabuco 007250298 45-26S 73-49W 14

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 81

XV Chile (cont.) Cabo Raper 007250310 46-49S 75-37W 21 MRCC Punta

Arenas San Pedro 007250320 47-42S 74-53W 18

Puerto Eden 007250330 49-08S 74-27W 14

Puerto Natales 007250340 51-45S 72-32W 14

Faro Evangelistas 007250350 52-23S 75-06W 21

Bahia Felix 007250370 52-44S 73-46W 19

Faro Fairway 007250360 52-57S 74-05W 19

Punta Arenas 007250380 53-09S 71-02W 64

Punta Delgada 007250390 52-27S 69-33W 17

Punta Dungeness 007250400 52-24S 68-26W 20

Espiritu Santo 007250410 52-39S 68-36W 24

Puerto Williams 007250420 54-56S 67-36W 22

Wollaston 007250430 55-36S 67-25W 28

Diego Ramirez 007250440 56-31S 68-42W 28

Bahia Fildes 007250450 62-11S 58-55W 14

Bahia Paraiso 007250470 64-49S 62-51W 14

XVI Peru Zorritos 007600120 03-40S 80-40W 40 MRSC Zorritos

Talara 007600122 04-34S 81-16W 40 MRSC Talara

Paita 007600121 05-05S 81-07W 40 MRCC Paita

Pimentel 007600123 06-57S 79-52W 40 MRSC Pimentel

Salaverry 007600124 08-13S 78-59W 40 MRSC Salaverry

Chimbote 007600126 09-05S 78-38W 40 MRCC Chimbote

Supe 007600127 10-49S 77-43W 40 MRSC Supe

Huacho 007600128 11-07S 77-37W 40 MRSC Huacho

Callao 007600125 12-03S 77-09W 40 MRCC Callao

Pisco 007600130 13-43S 76-14W 40 MRSC Pisco

San Juan 007600131 15-21S 75-09W 40 MRSC San Juan

Mollendo 007600129 17-01S 72-01W 40 MRCC Mollendo

Ilo 007600132 17-38S 71-21W 40 MRSC Ilo

VHF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 82

LIST OF OPERATIONAL MF DSC COAST STATIONS FOR SEA AREAS A2

(Extracted from ANNEX 3 of the IMO GMDSS Master Plan)

MF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC

I Belgium Oostende 002050480 51-11N 02-48E 115 Oostende

Denmark Lyngby 002191000 - - SOK, Aarhus

Blåvand 55-33N 08-07E 153

Skagen 57-44N 10-34E 148

Torshavn (Færoes) 002311000 62-00N 06-47W 225 MRCC Torshavn

Estonia Tallinn 002761000 59-24N 24-40E 150 MRCC Tallinn

Undva 58-29N 21-59E 150

Kuressaare 002760120 58-15N 22-29E 150

Finland Turku 002300230 - - MRCC Turku

Sondby 002302000 60-16N 25-51E 185 MRSC Helsinki

Mariehamn 002301000 60-07N 19-57E 185 MRCC Turku

Hailuoto 002303000 65-02N 24-32E 185 MRSC Vaasa

Raippaluoto 63-18N 21-10E 185

France Corsen (CROSS) 002275300 - - MRCC Corsen

Ouessant (Tx) 48-28N 05-03W 300

Corsen (Rx) 48-24N 04-24W 300

Iceland Reykjavik 002510100 64-05N 21-51W - MRCC Keflavik

Arnarnes (Tx) 66-05N 23-02W 200

Garoskagi (Rx) 64-04N 22-41W 200

Grimsey (Rx) 66-31N 17-59W 200

Holl (Rx) 65-35N 14-15W 200

Hornafjorour (Tx) 64-15N 15-13W 200

Nes (Tx) 65-09N 13-42W 200

Raufarhofn (Tx) 66-27N 15-56W 200

Rjupnahaeo (Tx) 64-05N 21-50W 200

Saefjall (Tx) 63-25N 20-16W 200

Streite (Rx) 64-43N 13-59W 200

Storhofdi (Tx) 63-24N 20-17W 200

Thverfjalli (Rx) 66-02N 23-18W 200

Ireland Malin Head 002500100 55-21N 07-20W 150 MRSC Malin Head

Valentia 002500200 51-55N 10-20W 150 MRSC Valentia

Latvia Riga Rescue Radio 002750100 57-02N 24-05E 150 MRCC Riga

Uzava 57-13N 21-26E 120

Akmenrags 56-50N 21-03E 120

Lithuania Klaipeda Rescue 002770330 55-43N 21-06E 100 MRCC Klaipeda

Netherlands Netherlands Coast Guard 002442000 - - JRCC Den Helder

Scheveningen (Tx) 52-06N 04-15E 240

Appingedam (Tx) 53-20N 06-52E 150

West Terschelling (Rx) 53-21N 05-13E 150

Noordwijk (Rx) 52-18N 04-28E 150

Norway Tjøme 002570100 - - MRCC Stavanger

Jeloy 59-26N 10-37E 200
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 83

I Norway (cont.) Rogaland 002570300 - - MRCC Stavanger

Bergen 60-43N 04-53E 200

Farsund 58-04N 06-45E 200

Vigre 58-39N 05-36E 200

Florø 002570500 -

Florø 61-36N 05-00E 200

Ørlandet 63-40N 09-33E 200

Bodø 002570700 - 200 MRCC Bodø

Sandnessjøen 66-01N 12-37E 200

Andenes 69-17N 16-01E 200

Jan Mayen 70-57N 08-40W 200

Bjørnøya 74-31N 19-01E 200

Vardø 002570800 - 200

Tromsø 69-39N 18-57E 200

Hammerfest 70-40N 23-40E 200

Berlevåg 70-52N 29-04E 200

Svalbard 002570900 78-02N 13-40E 200

Poland Witowo 002610210 54-32N 16-32E 150 MRCC Gdynia

Barzowice (Tx) 54-28N 16-30E N.I.

Gdynia/Oksywie (Tx) 54-33N 18-32E N.I.

Grzywacz (Rx) 53-57N 14-30E N.I.

Russian

Federation

Kaliningrad 002734417 54-45N 20-35E 125 MRSC Kaliningrad

St. Petersburg 002733700 - - MRCC St.

Petersburg Primorsk (Rx) 60-20N 28-43E 150

Karavaldayskiy (Tx) 59-59N 29-07E 150

Murmansk 002734420 68-52N 33-05E 170 MRCC Murmansk

Arkhangel’sk 002734414 64-21N 40-37E 1 MRSC

Arkhangel’sk

Sweden Göteborg 002653000 57-28N 11-56E 210 MRCC Göteborg

Bjuröklubb 64-28N 21-36E 210

Hoburg 56-56N 18-13E 250

Stockholm (Rx) 59-16N 18-42E 210

United

Kingdom

Aberdeen 002320004 57-25N 01-51W 150 MRCC Aberdeen

Humber 002320007 54-05N 01-10W 150 MRSC Humber

Cullercoats 55-04N 01-28W 150

Stornoway 002320024 58-13N 06-20W 150 MRSC Stornoway

Holyhead 002320018 53-19N 04-38W 150 MRSC Holyhead

Falmouth 002320014 50-08N 05-07W 150 MRCC Falmouth

Clyde 002320022 55-58N 04-48W 150 MRCC Clyde

Milford Haven 002320017 51-41N 05-03W 150 MRSC Milford

Haven

Shetland 002320001 60-09N 01-08W 150 MRSC Shetland

II Benin Cotonou 006100001 06-21N 02-26E 150

MF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 84

II France Corsen (CROSS) 002275300 - - MRCC Corsen

Ouessant (Tx) 48-28N 05-03W 300

Corsen (Rx) 48-24N 04-24W 300

Ghana Tema 006270000 05-39N 00-03W 200 Harbor Master’s

Office Accra

Spain Bilbao (CCR) 002241021 - -

Machichaco 43-27N 02-45W 150 MRCC Bilbao

Cabo Penas 43-39N 05-51W 150 MRCC Gijon

MRCC Bilbao* 002240996 43-21N 03-02W 150 MRCC Bilbao

MRCC Gijon* 002240997 43-34N 05-42W 150 MRCC Gijon

Coruna (CCR) 002241022 - -

Finisterre 42-54N 09-16W 150 MRCC Finisterre

Coruna 43-22N 08-27W 150 MRCC Coruna

MRCC Finisterre* 002240993 42-42N 08-59W 150 MRCC Finisterre

MRCC Tarifa* 002240994 36-01N 05-35W 150 MRCC Tarifa

Malaga (CCR) 002241023 - -

Chipiona 36-41N 06-24W 150

Conil 36-17N 06-05W N.I.

Tarifa 36-03N 05-33W 150

MRCC Tenerife* 002241007 28-29N 16-14W 150 MRCC Tenerife

MRCC Las Palmas* 002240995 28-09N 15-25W 150 MRCC Las Palmas

Las Palmas (CCR) 002241026 - -

Arrecife 29-08N 13-31W 150

Las Palmas 27-45N 15-36W 150

Tenerife 28-25N 16-20W 150

III Bulgaria Varna 002070810 43-04N 27-46E 200 MRCC Varna

Croatia MRCC Rijecka 002387010 45-19N 14-27E 160 MRCC Rijecka

Cyprus Cyprus 002091000 35-02N 33-17E 200 RCC Larnaca

Egypt Alexandria 006221111 31-11N 29-51E 200 RCC Cairo

Port Said 006221113 31-19N 32-18E 200

France La Garde (CROSS) 002275400 - - MRCC La Garde

Porquerolles (Tx) 42-59N 06-12E 200

La Garde (Rx) 43-06N 05-59E 200

Georgia Batumi 002130100 41-39N 41-39E 150 MRCC Georgia

Greece Olympia 002371000 38-01N 23-50E - JRCC Piraeus

Iraklion 35-20N 25-07E 200

Kerkyra 39-37N 15-55E 200

Limnos 39-52N 25-04E 200

Rodos 36-26N 28-15E 200

Piraeus JRCC2,3 237673000 37-58N 23-40E 130

Kerkira3 237673190 39-38N 19-55E 130

Patrai3 237673140 38-14N 21-44E 130

*NOTE: The primary responsibility for the receipt of MF DSC distress alerts for Spain is carried out via the Coast Radio

Stations. MF DSC facilities maintained at various MRCCs are only complementary to the Coast Radio Stations network.

MF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 85

III Greece (cont.) Pylos3 237673230 36-54N 21-41E 130 JRCC Piraeus

Iraklion3 237673180 35-20N 25-08E 130

Rodhos3 237673150 36-27N 28-14E 130

Thessaloniki3 237673210 40-38N 22-56E 130

Mytilini3 237673220 39-06N 26-35E 130

Aspropirgos2 002391000 38-03N 23-35E 200

Israel Haifa 004280001 32-49N 35-00E 150 MRCC Israel

Italy Roma 002470001 - -

Trieste 45-40N 13-46E 200 MRSC Trieste

Ancona 43-36N 13-28E 200 MRSC Ancona

Cagliari 39-13N 09-14E 200 MRSC Cagliari

Roma 41-37N 12-29E 200 MRSC Roma

Genova 44-25N 08-56E 200 MRSC Genova

Palermo 002470002 - -

Palermo (Punta Raisi) 38-11N 13-06E 200 MRSC Palermo

Mazara del Vallo 37-39N 12-36E 200

Augusta 37-14N 15-14E 200 MRSC Catania

Bari 40-26N 17-25E 200 MRSC Bari

Romania Constanta 002640570 44-06N 28-37E 100 Constanta Harbor

Master

Russian

Federation

Novorossiysk 002734411 44-36N 37-58E 173 MRCC

Taganrog 47-14N 38-56E 70 Novorossiysk

Temrujk 45-19N 37-13E 70

Serbia and

Montenegro

Bar 002790001 42-01N 19-08E 150 MRCC Bar

Spain Valencia (CCR) 002241024 - -

Bagur 42-17N 03-15E N.I. MRCC Barcelona

Cabo la Nao 38-43N 00-10W 150 MRCC Valencia

Cabo de Gata 36-43N 02-12W 150 MRCC Almeria

Palma 39-21N 02-59E 150 MRCC Palma

MRCC Almeria* 002241002 36-50N 02-29W 150 MRCC Tarifa

MRCC Valencia* 002241004 39-27N 00-20W 150 MRCC Valencia

MRCC Barcelona* 002240991 41-20N 02-09E 150 MRCC Barcelona

Turkey Izmir 002715000 38-21N 26-35E 146 MSRCC Ankara

Antalya 002713000 36-53N 30-42E 146

Samsun 002712000 41-17N 36-20E 146

Istanbul 002711000 40-59N 28-49E 146

IV Bermuda Bermuda Harbor 003100001 32-23N 64-41W 200 RCC Bermuda

Greenland

(Denmark)

Aasiaat 003313000 - - MRCC Grønnedal

Upernavik 72-47N 56-10W 280

Sisimiut 66-55N 53-40W 270

Nuuk 64-04N 52-01W 250

*NOTE: The primary responsibility for the receipt of MF DSC distress alerts for Spain is carried out via the Coast Radio

Stations. MF DSC facilities maintained at various MRCCs are only complementary to the Coast Radio Stations network.

MF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 86

IV Greenland

(Denmark)

(cont.)

Qeqertarsuaq 003313000 69-14N 53-31W 250 MRCC Grønnedal

Qaqortoq 003311000 - -

Paamiut 62-00N 49-43W 250

Ikerasassuaq 60-04N 43-10W 220

Simiutaq 60-41N 46-36W 250

Ammassilik 003314000 65-36N 37-38W 280

Mexico Tampico 003450110 22-13N 97-52W 150 MRCC Ciudad

Madero

Netherlands

Antilles

Curaçao (Seru Gracia) 003061000 12-20N 69-08W 400 JRCC Curaçao

United States Boston 003669991 41-39N 70-30W 200 RCC Boston

Chesapeake 003669995 36-44N 76-01W 200 RCC Norfolk

Miami 003669997 25-37N 80-23W 200 RCC Miami

New Orleans 003669998 29-53N 89-57W 200 RCC New Orleans

VI Argentina Argentina Radio 007010111 34-36S 58-28W 200 MRCC Buenos

Aires

Mar del Plata 007010221 38-03S 57-32W 150 MRCC Puerto

Comodoro Rivadavia 007010008 45-51S 67-25W 150 Belgrano

Rio Gallegos 007010010 51-37S 69-03W 150 MRCC Ushuaia

San Blas 007010006 40-33S 62-14W 150 MRSC Bahia

Blanca

Uruguay Montevideo 007703870 - - MRCC Montevideo

Armada Radio 34-56S 56-09W 100

VIII India Port Blair 004194409 11-41N 92-46E 200 MRCC Port Blair

Porbandar 004192202 21-38N 69-37E 200 MRCC Mumbai

Haldia 004194404 22-02N 88-06E 200 MRCC Chennai

Mandapam 004194406 09-17N 79-05E 200

Daman 004192201 20-25N72-52E 200 MRCC Mumbai

Mauritius Mauritius Radio 006452700 - - MRCC Mauritius

Cassis 20-12S 57-28E 150

Myanmar

(Burma)

Yangon (Rangoon) 005060100 16-42N 96-17E 100 MRCC Yangon

IX Egypt Quseir 006221112 26-07N 34-17E 200 RCC Cairo

Jordan Aqaba 004381234 29-33N 34-59E 350 Harbor Master

Aqaba

Kuwait Kuwait Radio 004472188 29-22N 47-59E N.I.

Pakistan Karachi 004634060 24-52N 67-01E 250 MRCC Karachi

Saudi Arabia Jiddah 004030000 21-23N 39-11E 500 RCC Jiddah

XI China Basuo 004123600 19-06N 108-37E 100 MRSC Basuo

Beihai 004123400 21-29N 109-04E 100 MRSC Beihai

Dalian 004121300 38-50N 121-31E 100 MRCC Liaoning

Fuzhou 004122600 26-01N 119-18E 100 MRCC Fujian

Guangzhou 004123100 23-08N 113-29E 100 MRCC Guangdong

Lianyungang 004122300 34-42N 119-18E 100 MRCC

Lianyungang

Ningbo 004122400 30-01N 121-30E 100 MRSC Ningbo

MF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 87

XI China (cont.) Qingdao 004122200 36-02N 120-28E 100 MRSC Qingdao

Sanya 004123700 18-14N 109-30E 100 MRSC Sanya

Shanghai 004122100 31-07N 121-33E 100 MRCC Shanghai

Shantou 004123200 23-21N 116-40E 100 MRSC Shantou

Tianjin 004121100 39-03N 117-25E 100 MRCC Tianjin

Wenzhou 004122500 28-02N 120-39E 100 MRSC Wenzhou

Xiamen 004122700 24-35N 118-06E 100 MRSC Xiamen

Yantai 004121400 37-32N 121-22E 100 MRSC Yantai

Zhanjiang 004123300 21-10N 110-22E 100 RSC Zhanjiang

East Timor Dili 005250015 08-33S 125-34E 100 MRSC Kupang

Indonesia Amboina (Ambon) 005250006 03-41S 128-11E 100 MRSC Amboina

Balikpapan 005250009 01-16S 116-49E 100 MRSC Balikpapan

Batu Ampar 005250012 01-09N 104-00E 100 MRSC Tanjung

Pinang

Belawan 005250003 03-46N 98-41E 100 MRSC Medan

Benoa 005250014 08-44S 115-12E 100 MRSC Denpasar

Biak 005250031 01-12S 136-05E 100 MRCC Biak

Bitung 005250005 01-26N 125-10E 100 MRSC Menado

Cilacap 005250030 07-45S 109-02E 100 MRCC Jakarta

Dumai 005250004 01-39N 101-26E 100 MRSC Pekanbaru

Fak-Fak 005250026 02-56S 132-17E 100 MRSC Sorong

Jakarta 005250000 06-07S 106-51E 100 MRCC Jakarta

Jayapura 005250007 02-31S 140-43E 100 MRSC Jayapura

Kendari 005250019 03-58S 122-34E 100 MRCC Ujung

Pandang

Kupang 005250010 10-12S 123-37E 100 MRSC Kupang

Lembar 005250022 08-43S 116-04E 100 MRSC Denpasar

Makassar 005250002 05-06S 119-26E 100 MRCC Ujung

Pandang

Manokwari 005250023 00-51S 134-04E 100 MRCC Biak

Merauke 005250021 08-28S 140-23E 100 MRSC Merauke

Panjang 005250013 05-28S 105-19E 100 MRSC Palembang

Pantoloan 005250018 00-39S 119-44E 100 MRSC Menado

Pontianak 005250016 00-01S 109-19E 100 MRSC Pontianak

Sanana 005250025 02-03S 125-38E 100 MRSC Amboina

Sei Kolak Kiang 005250029 00-51N 104-36E 100 MRSC Tanjung

Pinang

Semarang 005250008 06-59S 110-19E 100 MRCC Surabaya

Sibolga 005250028 01-44N 98-46E 100 MRSC Medan

Sorong 005250011 00-53S 131-18E 100 MRSC Sorong

Surabaya 005250001 07-11S 112-43E 100 MRCC Surabaya

Tahuna 005250024 03-36N 125-30E 100 MRSC Menado

Tarakan 005250017 03-17N 117-35E 100 MRSC Balikpapan

Ternate 005250020 00-47N 127-35E 100 MRSC Amboina

MF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 88

XI Japan Otaru 004310101 - - RCC Otaru

Shakotan 43-20N 140-32E 150

Hakodateyama 41-45N 140-43E 150

Kushiro 004310102 - - RCC Kushiro

Tokotan 43-00N 144-53E 150

Souyamisaki 45-31N 141-56E 150

Nemuro 43-21N 145-35E 100

Monbetsu 44-21N 143-22E 150

Shiogama 004310201 - - RCC Shiogama

Komagamine 38-18N 141-32E 150

Same 40-29N 141-37E 150

Kamaishi 39-16N 141-54E 150

Akita 39-44N 140-04E 150

Yokohama 004310301 - - RCC Yokohama

Chikura 34-56N 139-56E 150

Chosi 35-44N 140-52E 150

Shimoda 34-40N 138-57E 150

Nagoya 004310401 - - RCC Nagoya

Asamagatake 34-27N 136-49E 150

Tanabe 004310502 33-43N 135-24E 150 RCC Kobe

Kochi 004310503 - -

Tosayama 33-36N 133-32E 150

Kobe 004310501 - -

Senzan 34-22N 134-50E 60

Hiroshima 004310601 - - RCC Hiroshima

Noro 34-15N 132-40E 60

Moji 004310701 - - RCC Kitakyushu

Yukawayama 33-52N 130-33E 150

Wakayama 33-11N 131-44E 60

Mokkoku 34-08N 129-12E 150

Sasebo 004310702 - -

Ishimoriyama 33-14N 129-44E 150

Maizuru 004310801 - - RCC Maizuru

Sorayama 35-33N 135-25E 150

Nawa 35-31N 133-32E 150

Niigata 004310901 37-54N 139-03E 150 RCC Niigata

Kagoshima 004311001 - - RCC Kagoshima

Yoko-o 31-19N 130-49E 150

Aburatsu 31-35N 131-25E 150

Naze 28-23N 129-30E 100

Naha 004311101 - RCC Naha

Tamagutsuku 26-09N 127-46E 150

Ishigaki 004311102 - -

Miyara 24-21N 124-12E 150

MF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 89

XI Malaysia Pinang - - - MRCC Port Klang

Kuantan 005330008 04-06N 103-23E 200

Kuching 005330011 01-49N 109-46E 200

Kota Kinabalu 005330013 05-57N 116-02E 200

Permatang Pauh 005330002 05-22N 100-18E 200

Republic of

Korea

Inchon Maritime Police 004401001 37-30N 126-30E 120 RCC Inchon

Donghae Maritime Police 004401002 37-31N 129-07E 120 RCC Donghae

Mokpo Maritime Police 004401003 34-46N 126-23E 120 RCC Mokpo

Busan Maritime Police 004401004 35-07N 129-02E 120 RCC Busan

Cheju Maritime Police 004401005 33-21N 126-49E 120 RCC Cheju

Inchon 004400001 37-34N 126-41E 120 RCC Inchon

Kangnung 004400601 37-45N 128-53E 120 RCC Donghae

Mokpo 004400301 34-48N 126-30E 120 RCC Mokpo

Busan 004400101 35-06N 129-03E 120 RCC Busan

Seoul 004400002 37-29N 128-43E 120 RCC Donghae

Taiwan Chi-lung (Keelung) 004162019 - -

Chi-lung 25-08N 121-45E 97

Hua-lien (Rx) 23-53N 121-35E 100

Linyuan 22-29N 120-24E 97

Sanchih (Rx) 25-16N 121-28E 90

Taping Ting (Rx) 22-01N 120-42E 100

Yenliaoken 23-54N 121-36E 97

Yüanli (Rx) 24-26N 120-38E 90

Thailand Bangkok Radio

(Nonthaburi)

005671000 - - RCC Bangkok

Sriracha 13-06N 100-55E 162

Vietnam Ben Thuy 005742009 18-39N 105-42E 200 Cua Lo Port

Authority

Cua Ong (Cam Pha) 005742008 21-01N 107-22E 200 Quang Ninh Port

Authority

Da Nang 005741999 16-04N 108-13E 200 Da Nang Port

Authority

Hai Phong 005741996 20-52N 106-41E 200 Hai Phong Port

Authority

Ho Chi Minh City 005741993 10-45N 106-43E 200 Saigon Port

Authority

Hon Gai (Quang Ninh) 005742006 20-57N 107-04E 200 Quang Ninh Port

Authority

Hue 005742010 16-33N 107-38E 200 Thien Hue Port

Authority

Mong Cai 005742007 21-32N 107-58E 200 Quang Ninh Port

Authority

Hong Kong

(Associate

Member of

IMO)

Hong Kong Maritime

Rescue

004773500 22-12N 114-15E 200 MRCC Hong Kong

Mt. Butler 22-16N 114-12E 200

MF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 90

XII Mexico Mazatlan 003450810 23-10N 106-27W 150 MRCC Mazatlan

United States Point Reyes 003669990 37-56N 122-44W 200 RCC Alameda

Kodiak 003669899 57-46N 152-34W 150 RCC Juneau

Honolulu 003669993 21-26N 158-09W 200 RCC Honolulu

XIII Russian

Federation

Yuzhno-Sakhalinsk 002733733 - - MRSC YuzhnoNevelsk (Rx) 46-39N 141-52E 165 Sakhalinsk

Seleznevo (Tx) 46-37N 141-50E 165

Vladivostok 002734412 42-45N 133-02E 1504 MRCC Vladivostok

XIV Fiji RCC Suva 005201100 18-07S 178-25E 200 RCC Wellington

RCC Funafuti

RCC Nadi

Nat. Surv. Center

Samoa

Mar. Div. Tarawa

RCC Canberra

XV Chile Arica 007250010 18-29S 70-19W 180 MRSC Iquique

Iquique 007250020 20-12S 70-06W 180

Antofagasta 007250050 23-40S 70-24W 180

Caldera 007250080 27-04S 70-49W 180 MRSC Valparaiso

Isla de Pascua 007250100 27-11S 109-25W 180

Coquimbo 007250110 29-56S 71-20W 180

Valparaiso 007251860 33-04S 71-36W 180

San Antonio 007250140 33-34S 71-37W 180

Juan Fernandez 007250130 33-37S 78-49W 180

Talcahuano 007250170 36-37S 73-04W 180 MRSC Talcahuano

Puerto Montt 007250230 41-39S 73-10W 180 MRSC Puerto

Aysen 007250300 45-24S 72-43W 180 Montt

San Pedro 007250320 47-42S 74-53W 180 MRSC Punta

Bahia Felix 007250370 52-44S 73-46W 180 Arenas

Punta Arenas 007250380 53-09S 71-02W 180

Punta Delgada 007250390 52-27S 69-33W 180

Puerto Williams 007250420 54-56S 67-36W 180

XVI Peru Paita 007600121 05-05S 81-07W 200 MRCC Paita

Callao 007600125 12-03S 77-09W 200 MRCC Callao

Mollendo 007600129 17-01S 72-01W 200 MRCC Mollendo

1 White Sea (Beloye More) to 66-00N.

2 MF DSC stations operated by Hellenic Coast Guard.

3 MF DSC stations owned by Hellenic Coast Guard, using ship station MMSI numbers.

4 150nm radius from 42-45N 133-02E starting at Korean coast to 42-33N 136-25E to Cape of Olarovskiy.

MF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Range

(NM)

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 91

LIST OF OPERATIONAL HF DSC COAST STATIONS FOR SEA AREAS A3 AND A4

(Extracted from ANNEX 4 of the IMO GMDSS Master Plan)

HF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Frequency

Band1

Associated

RCC

I Denmark Lyngby 002191000 55-50N 11-25E 4,6,8,12,16 MHz SOK, Aarhus

Iceland Reykjavik 002516200 64-05N 21-51W 4,6,8,12,16 MHz MRCC Oceanic

II Ghana Tema 006270000 05-37N 00-00 4,6,8,12,16 MHz Harbor Master’s

Office Accra

Spain Madrid (CCR) 002241078 40-22N 03-17W 8,12 MHz MRCC Madrid

MRCC Madrid* 002241008 - 8,12 MHz

III Bulgaria Varna 002070810 43-04N 27-46E 4 MHz MRCC Varna

Cyprus Cyprus 002091000 35-03N 33-17E 4,8,16 MHz RCC Larnaca

Egypt Alexandria 006221111 31-12N 29-52E 4,6,8,12,16 MHz RCC Cairo

Greece Olympia 002371000 37-36N 21-29E 4,6,8,12,16 MHz JRCC Piraeus

Piraeus JRCC2 237673000 37-58N 23-40E

Aspropirgos2 002391000 38-02N 23-35E

Romania Constanta 002640570 44-07N 28-35E 4,6,8,12,16 MHz Constanta Harbor

Master

Spain Madrid (CCR) 002241078 40-22N 03-17W 8,12 MHz MRCC Madrid

MRCC Madrid* 002241008 - 8,12 MHz

Turkey Istanbul 002711000 40-59N 28-49E 4,6,8,12,16 MHz MRCC Ankara

IV Canada Iqaluit 003160023 63-44N 68-33W 4,6,8,12,16 MHz RCC Trenton3

Resolute (Rx) 74-45N 94-58W

United

States

Boston 003669991 41-39N 70-30W 4,6,8,12,16 MHz Atlantic SAR

Coordinator (RCC

Norfolk) Chesapeake 003669995 36-44N 76-01W

Miami 003669997 25-37N 80-23W

New Orleans 003669998 29-53N 89-57W

V Brazil Manaus 007100003 03-07S 59-55W 4,6,8,12,16 MHz MRCC Brazil (Rio

Recife 007100002 08-04S 34-55W de Janeiro)

Rio 007100001 22-58S 43-41W

VI Argentina Argentina Radio 007010111 34-36S 58-28W 4,6,8,12,16 MHz MRCC Buenos

Comodoro Aires

Rivadavia

007010008 45-51S 67-25W

Mar del Plata 007010003 38-03S 57-32W MRCC Puerto

Belgrano

Rio Gallegos 007010010 51-37S 65-03W MRCC Ushuaia

Uruguay Montevideo 007703870 34-56S 56-09W 4,6,8,12,16 MHz MRCC

Montevideo

VII South

Africa

Cape Town 006010001 33-40S 18-43E 4,6,8,12,16 MHz MRCC Cape Town

VIII India Port Blair 004194409 11-41N 92-46E 4,6,8,12,16 MHz MRCC Port Blair

Porbandar 004192202 21-38N 69-37E MRCC Mumbai

Haldia 004194404 22-02N 88-06E MRCC Chennai

Mandapam 004194406 09-17N 79-05E

*NOTE: The primary responsibility for the receipt of HF DSC distress alerts for Spain is carried out via Madrid (CCR) Radio.

The HF DSC facility maintained at MRCC Madrid is only complementary to the Coast Radio Stations network.
VIII India

(cont.)

Daman 004192201 20-25N 72-52E 4,6,8,12,16 MHz MRCC Mumbai

Myanmar

(Burma)

Yangon (Rangoon) 005060100 16-42N 96-17E 4,6,8,12,16 MHz MRCC Yangon

IX Kuwait Kuwait Radio 004472188 29-22N 47-59E 4,6,8,12,16 MHz

Pakistan Karachi 004634060 24-52N 67-01E 4,6,8,12,16 MHz MRCC Karachi

X Australia RCC Australia 005030331 - - RCC Australia

Charleville 26-20S 146-16E 4,6,8,12,16 MHz

Wiluna 26-21S 120-34E

XI China Shanghai 004122100 31-06N 121-32E 4,6,8,12,16 MHz MRCC Shanghai

Indonesia Amboina (Ambon) 005250006 03-41S 128-10E 4,6,8 MHz MRCC Ujung

Pandang

Balikpapan 005250009 01-16S 116-49E 8 MHz MRCC Surabaya

Belawan 005250003 03-46N 98-41E 4,6,8,12,16 MHz MRCC Jakarta

Bitung 005250005 01-26N 125-10E 4,6,8,12,16 MHz MRCC Ujung

Pandang

Dumai 005250004 01-41N 101-27E 4,6,8,12,16 MHz MRCC Jakarta

Jakarta 005250000 06-07S 106-51E 4,6,8,12,16 MHz

Jayapura 005250007 02-30S 140-43E 4,6,8,12,16 MHz MRCC Biak

Kupang 005250010 10-09S 123-34E 8 MHz MRCC Ujung

Makassar 005250002 05-06S 119-25E 4,6,8,12,16 MHz Pandang

Semarang 005250008 06-56S 110-25E 8 MHz MRCC Surabaya

Sorong 005250011 00-53S 131-00E 8 MHz MRCC Biak

Surabaya 005250001 07-12S 112-44E 4,6,8,12,16 MHz MRCC Surabaya

Cilacap 005250030 07-45S 109-02E 8 MHz MRCC Jakarta

Merauke 005250021 08-28S 110-23E 8 MHz MRSC Merauke

Japan Tokyo Sea Patrol

Radio

004310001 35-40N 139-45E 4,6,8,12,16 MHz RCC Otaru

RCC Shiogama

RCC Yokohama

RCC Nagoya

RCC Kobe

RCC Hiroshima

RCC Kitakyushu

RCC Maizuru

RCC Niigata

RCC Kagoshima

RCC Naha

Republic of

Korea

Inchon Maritime

Police

004401001 37-30N 126-30E 4,6,8,12,16 MHz RCC Inchon

Donghae Maritime

Police

004401002 37-31N 129-07E RCC Donghae

Mokpo Maritime

Police

004401003 34-46N 126-23E RCC Mokpo

Busan Maritime

Police

004401004 35-07N 129-02E RCC Busan

Cheju Maritime

Police

004401005 33-21N 126-49E RCC Cheju

Inchon 004400001 37-34N 126-41E RCC Inchon

HF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Frequency

Band1

Associated

RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 93

XI Republic of

Korea

(cont.)

Kangnung 004400601 37-45N 128-53E 4,6,8,12,16 MHz RCC Donghae

Mokpo 004400301 34-48N 126-30E RCC Mokpo

Busan 004400101 35-06N 129-03E RCC Busan

Seoul 004400002 37-29N 128-43E RCC Donghae

Taiwan Chi-lung

(Keelung)

004162019 25-08N 121-45E 4,6,8,12,16 MHz

Thailand Bangkok Radio

(Nonthaburi)

005671000 13-34N 100-39E 4,6,8,12 MHz RCC Bangkok

Vietnam Ho Chi Minh City 005741993 10-46N 106-40E 8 MHz Saigon Port

Authority

Hai Phong 005741996 20-52N 106-42E 4,6,8,12,16 MHz Hai Phong Port

Authority

Da Nang 005741999 16-04N 108-13E 6,8 MHz Da Nang Port

Authority

Hong Kong

(Associate

Member of

IMO)

Hong Kong

Maritime Rescue

004773500 22-12N 114-15E 4,6,8,12,16 MHz MRCC Hong

Kong

XII United

States

Point Reyes 003669990 37-56N 122-44W 4,6,8,12,16 MHz Pacific SAR

Coordinator (RCC

Alameda)

Kodiak 003669899 57-46N 152-34W

Honolulu 003669993 21-26N 158-09W

XIV Fiji RCC Suva 005201100 18-08S 178-26E 4,6,8,12,16 MHz RCC Funafuti

RCC Tonga

RCC Nadi

Nat. Surv. Center

Samoa

Mar. Div. Tarawa

RCC Canberra

New

Zealand

Taupo Maritime

Radio

005120010 38-52S 176-26E 4,6,8,12,16 MHz RCC New Zealand

XV Chile Antofagasta 007250050 23-40S 70-25W 4 MHz MRSC Iquique

Isla de Pascua 007250100 27-11S 109-25W MRSC Valparaiso

Valparaiso 007251860 33-01S 71-39W 4,6,8,12,16 MHz

Talcahuano 007250170 36-42S 73-06W 4 MHz MRSC Talcahuano

Puerto Montt 007250230 41-47S 73-53W MRSC Puerto

Montt

Punta Arenas

(Magallanes)

007250380 53-10S 70-54W 4,8 MHz MRSC Punta

Arenas

XVI Peru Paita 007600121 05-05S 81-07W 8 MHz MRCC Paita

Callao 007600125 12-03S 77-09W MRCC Callao

Mollendo 007600129 17-01S 72-01W MRCC Mollendo

1 The following frequencies are allocated for HF DSC distress and safety communication by Radio Regulation (Article N38):

4 MHz = 4207.5 kHz 6 MHz=6312 kHz 8 MHz = 8414.5 kHz 12 MHz = 12577 kHz 16 MHz = 16804.5 kHz

2 Hellenic Coast Guard, for reasons of additional safety only, keeps 24 hour watch on HF DSC frequencies, using its own

stations.

3 Operational during navigation season only, approximately June 25 to November 30.

HF DSC Coast Station

NAV/MET

Area

Country Name MMSI Position Frequency

Band1

Associated

RCC
PART II

410A. Requests for U.S. Navy Assistance in

Emergency Situations

In view of the current and continuing threat of possible

terrorist activity, seizure by hostile military forces, or

piracy against U.S. flag and effective U.S. controlled

(EUSC) merchant ships on the high seas, the requirement

exists for the establishment and promulgation of

emergency call-up procedures between U.S. merchant

ships and units of the U.S. Navy for protection and

assistance.

The following situations warrant immediate use of

emergency communications to request assistance from the

U.S. Navy:

– Attacks, threats of attack, or other hostile actions by

military forces. Warning shots and/or observation of

mining operations in international waters are included.

– Harassment by military forces. Threats or attempts of

boarding and seizure or hostage taking are included.

– Terrorist attack (or threat) or seizure.

– Piracy.

– Request for rescue in the event of natural disaster if no

acknowledgment is received through use of established

distress and safety communications procedures.

COMMUNICATIONS PROCEDURES: Emergency

communications from merchant ships in crisis situations

essentially involve the reporting of incidents and requests

for U.S. Navy protection or assistance on a real time basis.

Requests for assistance will be submitted to Navy Fleet

Command Centers by either commercial satellite

(Inmarsat) or HF media. Commercial telephone numbers

for Fleet Command Centers, Navy Communications

Stations, and USCG Communications Stations are listed in

Appendix A.

– Inmarsat Equipped Ships: Direct dial the appropriate Navy

Fleet Commander Operations Control Center

(OPCONCEN) to report the situation and request U. S.

Navy assistance. If the direct dial attempt is unsuccessful,

place a call via Inmarsat operator to the appropriate Navy

Command Center.

If the call cannot be completed to the Fleet Commander,

dial the appropriate Naval Computer and

Telecommunications Area Master Station (NCTAMS)

Joint Fleet Telecommunications Operations Center

(JFTOC) or Naval Computer and Telecommunications

Station (NAVCOMTELSTA) for patching relay to the

Fleet Commander OPCONCEN. If direct dial effort is

unsuccessful, place call to the communications station via

the Inmarsat operator.

If contact cannot be made with the area NCTAMS

JFTOC or NAVCOMTELSTA, a merchant ship should

request the Inmarsat operator to place the call to USCG

Area Operations Center (OPCEN) for notification to

Fleet Commander. U.S. flag/EUSC ships operating in the

North Arabian Sea and Persian Gulf area requiring

assistance from U. S. Navy ships of COMUSNAVCENT

should call NAVCOMTELSTA Guam for direct patching

via FM non-secure voice satellite communications.

– HF Equipped Ships: Upon establishing HF voice

communications with the HF public coast radio station

serving the merchant ship, request that the marine

operator place a call to the appropriate Fleet Commander

OPCONCEN for assistance, giving information in the

prescribed format.

If a voice call via the coast station marine operator

cannot be completed to the Fleet Commander

OPCONCEN, the call should be placed to the closest

NCTAMS JFTOC or NAVCOMTELSTA, USAF

Communications Station, or USCG Communications

Station for relay to the appropriate Navy Command

Center.

If a merchant ship uses U.S. military HF facilities

(Navy, Air Force, or Coast Guard Communications

Stations) for a direct emergency voice communication

request for assistance, the message will be relayed by the

receiving facility to the appropriate Navy OPCONCEN

for action. A listing of available HF frequencies by

military facility and area is in Appendix B.

Ship to ship communications may be initiated by use

of 2182 kHz or one of the Navy HICOM or tactical HF

frequencies listed in Appendix B. However, Fleet

Commander OPCONCEN approval is necessary prior to

establishment of extended ship to ship communications

between merchant ships and U. S. Navy afloat units.

– VHF Communications: 156.8 MHz (Ch. 16) is

recommended for use by ships at line-of-sight or

extended line-of-sight (15-30 miles) communications

ranges.

– Direct Ship to Ship Communications Connectivity: If a

Fleet Commander OPCONCEN considers it essential for

a merchant ship to establish direct non-secure voice

communications with U.S. Navy surface units, the

merchant ship will be directed to call the appropriate

NCTAMS or NAVCOMTELSTA Guam for a patch to be

made between the commercial media (Inmarsat, HF) and

the Navy’s Fleet Satellite Communications

(FLTSATCOM) system to a Navy ship by use of a

conference bridge. If direct HF voice connectivity is

required, the merchant ship and Navy unit will be

assigned an appropriate frequency for coordination

purposes.

– COMSC Charter Ships: Except in crisis situations, U.S.

merchant ships under charter to COMSC would continue

to use the procedures stated in the effective edition of

MSC Communications Policies and Procedures Manual

(CPPM).

– Billing: Billing will be in accordance with tariff

regulations applicable to Inmarsat and HF public coast

radio stations.

NAVY ACTION: Upon receipt of emergency

transmission by the Fleet Commander OPCONCEN, the

Navy will determine what action will be taken in response,
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 95

e.g., dispatch of forces, establishing direct communications

between the merchant ship and a Navy afloat unit, or

providing guidance. Decision factors affecting Navy

response are contingent upon U. S. Navy units available,

proximity of U. S. Navy units to the merchant ship, and/or

rules of engagement applicable to the theater of operations.

CALL-UP PROCEDURES: The following voice call-up

procedure should be used by merchant ships if an indefinite

call-up address is to be employed:

ANY NAVY/AIR FORCE/COAST GUARD STATION

GUARDING THIS NET, THIS IS SS EXAMPLE,

EMERGENCY MESSAGE FOLLOWS.

If the merchant ship is calling a specific Navy, Air Force,

or Coast Guard station ashore, the voice calls listed in

Appendix B apply. Merchant ships are cautioned that Navy

shore stations and/or afloat units guarding HICOM or other

tactical HF nets may respond with an alphanumeric daily

changing call sign and advise the merchant ship to send

traffic, and will not reveal the Navy unit’s name to prevent

compromise of the call sign.

Procedures for emergency incident reporting and/or

requests for U. S. Navy assistance emphasize the use of

voice communications between the merchant ship and the

commands/facilities ashore and afloat as defined in

Appendix A. Frequencies for HF voice and radiotelex

(NBDP) communications are listed in Appendix B.

Inmarsat equipped ships should file voice or telex traffic

via appropriate earth stations. Emergency or distress

messages received by non-U.S. Navy facilities will be

immediately forwarded to the appropriate Navy Command

Center.

MESSAGE FORMAT: The following format is

recommended to provide for brevity and uniformity in

reporting procedure:

– To Fleet Commander, Operations Control Center (as

appropriate).

– Name of ship.

– International radio call sign and Inmarsat ID.

– Position (latitude/longitude).

– Date and time (GMT).

– Brief description (military attack, seizure, terrorist

attack, mining, piracy, natural disaster).

Example:

TO COMPACFLT OPCONCEN

A. SS NOGALES

B. KCSD/1509999

C. LAT. 05N, LONG. 105E

D. 231800Z JAN 89

E. SHIP UNDER ATTACK BY MACHINE GUN AND

RIFLE FIRE BY SMALL PATROL CRAFT AND BEING

BOARDED BY PIRATES OR TERRORISTS.

PERSONNEL CASUALTIES ON DECK.

F. REQUEST IMMEDIATE ASSISTANCE.

SHAR: The guidance provided above does not eliminate

the need for submission of SHARs by merchant ships to

NGA. Emergency procedures provide for transmission of a

request for assistance to precede the SHAR.

TESTING OF PROCEDURES/FACILITIES: U.S. Navy

and Air Force HF voice communications nets are dedicated

to command and control of military units and air traffic

control. These nets are not to be used for training purposes

unless specifically designated by the Services and/or

operational commanders for use by merchant ships as part

of a scheduled exercise. Commercial communications

systems (Inmarsat, HF) aboard ship may be used for

personnel training and equipment check-out procedures by

merchant ships by placing calls to the Fleet Commander

OPCONCEN. Tests should be initiated from the merchant

ship by dialing the appropriate Fleet Commander

OPCONCEN for the ocean area involved. Shipping line

owners are required to fund costs incurred for tests

initiated by their ships. The Fleet Commander will

determine if the calls should be extended to U. S. Navy

afloat units via the FLTSATCOM interface at the

NCTAMS or NAVCOMTELSTA Guam. The Fleet

Commander may desire to use HF HICOM for exercise

and training with COMSC chartered merchant ships as

well as U.S. flag merchant ships not under Navy control

during Naval Cooperation and Guidance for Shipping

(NCAGS) exercises or for test prior to in-chop.

In addition to requesting direct assistance from the U.S.

Navy, mariners should report acts of terrorism to the

following:

– In the waters and ports of the United States, the FBI and

the USCG.

– In areas outside U.S. territorial limits, the nearest U.S.

Consulate Office (Regional Security Officer), the U. S.

State Department (Operations Center), at (1) 202-

647-1512, and NGA.
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 96

APPENDIX A

OCEAN AREAS AND COMMAND CENTERS/COMMUNICATIONS FACILITIES

The following provides a listing of U.S. Navy and Coast Guard Command Centers and Communications Stations,

showing area of command and/or communications coverage:

Ocean Area - Navy Operations Control Centers and Communications Facilities, 

USCG Command Centers and Communications Facilities

Telephone Number

Mediterranean, Baltic, Middle East

UKMTO (United Kingdom Maritime Trade Operations) 971505523215/6007

MARLO (Maritime Liaison Office) Bahrain (24-7) 973-3940-1395

NCTAMS EURCENT JFTOC NAPLES IT 39-081-568-6141/3402

COMLANTAREA COGARD PORTSMOUTH VA (1) 757-398-6700, Telex 127775

Atlantic, Caribbean, Atlantic Approaches to Panama Canal, North Sea

COMUSFLTFORCOM OPCONCEN NORFOLK VA (1) 757-836-5397

NCTAMS LANT JFTOC NORFOLK VA (1) 757-444-2124/4182

COMLANTAREA COGARD PORTSMOUTH VA (1) 757-398-6231, Telex 127775

COGARD CAMSLANT CHESAPEAKE VA (1) 757-421-6240/6247

Eastern Pacific, Mexico, Central America

COMPACFLT OPCONCEN PEARL HARBOR HI (1) 808-471-3201/5200

NCTAMS PAC JFTOC HONOLULU HI (1) 808-653-5377/1760/0090

NAVCOMTELSTA SAN DIEGO CA (1) 619-545-8928

COMPACAREA COGARD ALAMEDA CA (1) 510-437-3701, Telex 172343

COGARD COMMSTA KODIAK AK (1) 907-487-5778

COGARD CAMSPAC PT REYES CA (1) 415-669-2047

Mid Pacific, Northern Pacific, Pacific Approaches to Panama Canal, South 

America

COMPACFLT OPCONCEN PEARL HARBOR HI (1) 808-471-3201/5200

NCTAMS PAC JFTOC HONOLULU HI (1) 808-653-5377/1760/0090

NAVCOMTELSTA SAN DIEGO CA (1) 619-545-8928

COMPACAREA COGARD ALAMEDA CA (1) 510-437-3701, Telex 172343

COGARD COMMSTA KODIAK AK (1) 907-487-5778

COGARD CAMSPAC PT REYES CA (1) 415-669-2047

Western Pacific, South Pacific, Southeast Asia, Straits of Malacca, Sea of Japan, 

Indian Ocean

COMPACFLT OPCONCEN PEARL HARBOR HI (1) 808-471-3201/5200

NAVCOMTELSTA GUAM 671-355-5513/5326/5327/5328

NAVCOMTELSTA FAR EAST 81-311-743-7510

COGARD COMMSTA KODIAK AK (1) 907-487-5778
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 97

Persian Gulf, Red Sea

COMUSNAVCENT/BATTLEWATCH CAPTAIN BAHRAIN 973-17-85-3879/4577

NAVCOMTELSTA BAHRAIN 973-17-85-4185

(For Ships in the Persian Gulf)

NAVCOMTELSTA GUAM 671-355-5513/5326/5327/5328

NAVCOMTELSTA BAHRAIN 973-17-85-4185

(For Ships in the Red Sea)

NCTAMS EURCENT NAPLES IT 39-081-568-6141

COMLANTAREA COGARD PORTSMOUTH VA (1) 757-398-6700, Telex 127775

Navy Communications Facilities With FLTSATCOM Interface Capability:

Upon direction from Fleet Commander OPCONCEN, calls will be placed to the following Navy Communications 

Stations with conference bridge capability to establish unclassified ship to ship voice connectivity with Navy afloat units 

via Navy FLTSATCOM:

NCTAMS LANT NORFOLK VA (1) 757-445-9988/9989

NCTAMS EURCENT NAPLES IT 39-081-568-6141

NCTAMS PAC HONOLULU HI (1) 808-653-0321

NAVCOMTELSTA GUAM 671-355-5513/5326/5327/5328

Ocean Area - Navy Operations Control Centers and Communications Facilities, 

USCG Command Centers and Communications Facilities

Telephone Number
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 98

APPENDIX B

HIGH FREQUENCIES GUARDED BY AIR FORCE, NAVY, COAST GUARD,

AND COMMERCIAL STATIONS

AIR FORCE

Area Control Station Voice Call SSB (carrier) Frequencies

(in kHz)

Hours of Watch

(GMT)

Southwest Pacific,

Micronesia

ANDERSEN AFB

GUAM

ANDERSEN 6738

8967

11176

13201

18002

0200-1200

24 hr.

24 hr.

24 hr.

2200-0700

Northwest Pacific, Sea

of Japan,

YOKOTA AB JA YOKOTA 4747

6738

8967

11236

13201

18002

1000-2100

0900-2400

24 hr.

24 hr.

2100-1000

0001-0900

Mid Pacific HICKAM AFB HI HICKAM 3144

6738

8964

11179

13201

18002

0600-1700

0400-0900

24 hr.

24 hr.

1700-0600

0001-0900

Northern Pacific ELMENDORF AFB

AK

ELMENDORF 6738

8989

11176

13201

24 hr.

24 hr.

24 hr.

24 hr.

Eastern Pacific, West

Coast Continental U.S.,

Mexico

MCCLELLAN AFB

CA

MCCLELLAN 4746

6738

8989

11239

15031

18002

0400-1600

0400-1600

24 hr.

24 hr.

1600-0400

1600-0400

Central and South

America, (Atlantic and

Pacific), Cuba,

Hispaniola

ALBROOK AB PM ALBROOK 5710

6683

8993

11176

15015

18019

0200-1200

0001-1400

24 hr.

24 hr.

1200-0200

0900-2400
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 99

Northern Atlantic, East

Coast Continental U.S.,

Canada, Caribbean,

Gulf of Mexico

MACDILL AFB FL MACDILL

5688

8989

11179

13244

18019

Northern North

Atlantic

0001-1400

24 hr.

0900-2400

0900-2400

0900-2400

4746

6750

11179

11246

13244

Central North

Atlantic

0001-0900

0001-0900

0900-2400

24 hr.

0900-2400

4746

6750

8993

11246

13244

Southern North

Atlantic

0001-0900

0001-0900

24 hr.

24 hr.

0900-2200

4746

6750

8993

11246

Gulf of Mexico

0001-0900

0002-0900

24 hr.

24 hr.

Northern North

Atlantic, Canada,

Greenland

THULE AB

GREENLAND

THULE 6738

8967

13201 (slight delay in

answering)

Eastern North Atlantic,

Iceland, North Sea,

Baltic Sea

CROUGHTON AB,

UK

CROUGHTON 3076

5703

6750

9011

11176

13214

 2300-0500

2100-0800

24 hr.

0500-2300

24 hr.

0800-2100

Eastern North Atlantic,

Spain, Western

Mediterranean, North

Africa

LAJES AB PO

(Acores)

LAJES 3081

4746

6750

8967

11226

13244

2100-1000

2100-1000

24 hr.

24 hr.

1000-2100

1000-2100

Area Control Station Voice Call SSB (carrier) Frequencies

(in kHz)

Hours of Watch

(GMT)
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 100

South Atlantic, Cape of

Good Hope, Western

Indian Ocean, Red Sea

ASCENSION

ISLAND

AUXILIARY AB

ASCENSION 6753

8993

11176

13244

15015

2000-0800

24 hr.

1800-1000

1000-1800

0800-2000

Central and Eastern

Mediterranean, Strait of

Hormuz, Persian Gulf,

Northern Red Sea

INCIRLIK AB TU INCIRLIK 6738

11176

13244

15015

24 hr.

24 hr.

24 hr.

24 hr.

Area Control Station Voice Call SSB (carrier) Frequencies

(in kHz)

Hours of Watch

(GMT)
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 101

NAVY

Area Control Station Voice Call SSB (carrier)

Frequencies (in kHz)

Mediterranean,

Eastern and

Northern North

Atlantic

(COMUSNAVEUR

HICOM NET)

NCTAMS EURCENT DET ROTA SP

NAVCOMTELSTA SICILY IT

Designated afloat units

AOK

NSY

“ANY NAVY

STATION

THIS NET”

2200-0600

Carrier Frequency: 6720

Upper Sideband: 6721.5

0600-2200

Carrier Frequency: 11255

Upper Sideband: 11256.5

Atlantic, Caribbean

(COMUSFLTFOR

COM)

NCTAMS LANT NORFOLK VA

NCTAMS LANT DET KEY WEST FL

NAVCOMTELSTA PUERTO RICO PR

NAVCOMTELSTA KEFLAVIK IC

NAM

NAR

NAU

NRK

24 hr.

Carrier Frequency: 6687

Upper Sideband: 6698.5

HICOM Net Navy Command Centers Ashore

Designated afloat units

“ANY NAVY

STATION

THIS NET”

24 hr.

Carrier Frequency: 23287

Upper Sideband: 23288.5

Indian Ocean Voice

Net

NAVCOMTELSTA DIEGO GARCIA

Designated afloat units

NKW

“ANY NAVY

STATION

THIS NET”

0200-1300

Carrier Frequency: 23315

Upper Sideband: 23316.5

1300-0200

Carrier Frequency: 11205

Upper Sideband: 11206.5

Western Pacific

HICOM Net

NAVCOMTELSTA GUAM

NAVCOMTELSTA FAR EAST

Designated afloat units

NPN

NDT

“ANY NAVY

STATION

THIS NET”

24 hr.

Carrier Frequency: 6720

Upper Sideband: 6721.5

Carrier Frequency: 11205

Upper Sideband: 11206.5

Carrier Frequency: 11255

Upper Sideband: 11256.5

Carrier Frequency: 18009

Upper Sideband: 18010.5

Eastern and Central

Pacific HICOM

NCTAMS PAC HONOLULU HI

COMTHIRDFLEET

NAVCOMTELSTA SAN DIEGO CA

NPM

“ANY NAVY

STATION

THIS NET”

0600-1700

Carrier Frequency: 4415.4

Upper Sideband: 4417.7

24 hr.

Carrier Frequency: 8777.4

Upper Sideband: 8779.2

1700-0600

Carrier Frequency: 13156.4

Upper Sideband: 13182.8
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 102

COAST GUARD (HF RADIOTELEPHONE)

Note: Miami, Boston and New Orleans receive remoted to CAMSLANT Chesapeake (NMN). Honolulu and Guam receive

remoted to CAMSPAC Point Reyes (NMC).

Area Station (Call Sign) ITU

Channel

SSB (carrier) Frequencies (in kHz)

Shore Ship Hours of Watch

(GMT)

Atlantic Boston MA (NMF) 424

601

816

1205

1625

4426

6501

8764

13089

17314

4134

6200

8240

12242

16432

2300-1100

24 hr.

24 hr.

1100-2300

on request

CAMSLANT

Chesapeake VA (NMN)

424

601

816

1205

1625

4426

6501

8764

13089

17314

4134

6200

8240

12242

16432

2300-1100

24 hr.

24 hr.

1100-2300

on request

Miami FL (NMA) 424

601

816

1205

1625

4426

6501

8764

13089

17314

4134

6200

8240

12242

16432

2300-1100

24 hr.

24 hr.

1100-2300

on request

New Orleans LA (NMG) 424

601

816

1205

1625

4426

6501

8764

13089

17314

4134

6200

8240

12242

16432

2300-1100

24 hr.

24 hr.

1100-2300

on request

Pacific Kodiak AK (NOJ)

424

601

816

1205

1625

4125

4426

6501

8764

13089

17314

4125

4134

6200

8240

12242

16432

24 hr.

on request

24 hr.

on request

on request

on request

CAMSPAC

Point Reyes CA (NMC)

424

601

816

1205

1625

4426

6501

8764

13089

17314

4134

6200

8240

12242

16432

24 hr.

24 hr.

24 hr.

24 hr.

on request

Honolulu HI (NMO) 424

601

816

1205

1625

4426

6501

8764

13089

17314

4134

6200

8240

12242

16432

0600-1800

24 hr.

24 hr.

1800-0600

on request

Guam (NRV) 601

1205

6501

13089

6200

12242

0900-2100

2100-0900
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 103

COAST GUARD (HF RADIOTELEX)

This net provides for common medium and long range radioteletype communications between all ship stations and

COMMSTAs for safety and liaison traffic. Calling and working frequencies between shore and ships are in the paired

duplex frequency modes indicated below. Stations follow the indicated schedule for frequency guards. Any changes

wanted by area commanders to meet operational needs will be included in this schedule.

Area Station (Call Sign) ITU

Channel

SITOR or NBDP (assigned) Frequencies (in kHz)

Shore Ship Hours of Watch

(GMT)

Atlantic CAMSLANT

Chesapeake VA (NMN)

Selcall: 1097

MMSI: 003669995

404

604

824

1227

1627

2227

4212

6316

8428

12592.5

16819.5

22389.5

4174

6264.5

8388

12490

16696.5

22297.5

on request

2300-1100

24 hr.

24 hr.

24 hr.

1100-2300

Pacific Kodiak AK (NOJ)

Selcall: 1106

MMSI: 003669899

407

607

807

4213.5

6317.5

8419.5

4175.5

6266

8379.5

HN

24 hr.

HJ

CAMSPAC

Point Reyes CA (NMC)

Selcall: 1096

MMSI: 003669990

412

620

820

1242

1620

2220

4215.5

6323.5

8426

12600

16816.5

22386

4178

6272.5

8386

12497.5

16693

22294

on request

HN

24 hr.

on request

HJ

on request

Honolulu HI (NMO)

Selcall: 1099

MMSI: 003669993

404

604

827

1220

1627

2227

4212

6316

8429.5

12589

16819.5

22389.5

4174

6264.5

8389.5

12486.5

16696.5

22297.5

on request

on request

24 hr.

24 hr.

on request

HJ

Guam (NRV)

Selcall: 1096

MMSI: 003669994

412

612

812

1212

1612

2212

4215.5

6319.5

8422

12585

16812.5

22382

4178

6268.5

8382

12482.5

16689

22290

on request

on request

HN

24 hr.

24 hr.

HJ

Notes: (1) Selcall number is used for radiotelex (sitor). The Maritime Mobile Service Identity (MMSI) is used for

Digital Selective Calling (DSC) and may also be used for radiotelex.

(2) For radiotelex the frequencies listed are assigned. The carrier or dial frequency is located 1.7 kHz

below the assigned frequency.

(3) Honolulu and Guam are operated remotely by CAMSPAC Point Reyes (NMC).

(4) Time definitions:

HJ — Daytime (2 hours after sunrise until 2 hours before sunset, local time).

HN — Nighttime (2 hours before sunset until 2 hours after sunrise, local time).
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 104

RADIOTELEX SERVICES AVAILABLE

COMMERCIAL STATIONS (HF RADIOTELEX/NBDP)

COMMAND EXPLANATION RESPONSE

OBS+ WEATHER OBSERVATION (message must be in

standard format)

MOM11+ MSG+

AMV+ AMVER MESSAGE (message must be in standard

format)

MOM01+ MSG+

MED+ MEDICAL EMERGENCIES (signals an alarm at the

coast station)

MOM07+ MSG+

URG+ SHIPBOARD DISTRESS/EMERGENCIES (signals

an alarm at the coast station)

MOM20+ MSG+

TFC+ MISCELLANEOUS ROUTINE MESSAGES MOM16+ MSG+

VES+ U.S. FISHERIES, POLLUTION OR OTHER

REQUIRED VESSEL REPORT

MOM13+ MSG+

OPR+ OPERATOR ASSISTANCE

FREQ+ FREQUENCY GUARD SCHEDULE LIST

MSG+ DOWNLOADS SHORE-TO-SHIP MESSAGES

(limited to government vessels)

BRK+ BREAK OFF COMMUNICATIONS

HELP+ LIST OF AVAILABLE COMMANDS

Location Station (Call Sign) ITU Channel Frequencies (kHz)

Shore Ship

Mobile, Alabama,

U.S.A.

Mobile (WLO)

Selcall: 1090

MMSI: 003660003

Hours of watch: 24 hr.

406

606

806

810

815

1205

1211

1605

1615

1810

2215

2510

4213

6317

8419

8421

8423.5

12581.5

12584.5

16809

16814

19685.5

22383.5

26105.5

4175

6265.5

8379

8381

8383.5

12479

12482

16685.5

16690.5

18875

22291.5

25177.5

Republic, Washington,

U.S.A.

Republic (KKL)

Selcall: 1150

Hours of watch:

1700-0100 GMT 824

2523.4

4016.4

8183.4

8429.4

12104.4

16345.4

19685.4

26105.4

2523.4

4016.4

8183.4

8389.4

12104.4

16345.4

18874.9

25177.4

Notes: (1) Station WLO is part of the ShipCom Radio Network. Frequencies listed are assigned.

(2) Radiotelex frequencies listed for Station KKL are ARQ carrier center frequency. When

calling KKL ARQ, call for at least 60 seconds. KKL uses scanning transceivers on all

frequencies except 2522.0 kHz. Each channel is scanned for approximately 10 seconds.

(3) AMVER messages may be sent free of charge through any of the above coast radio

stations.
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 105

COMMERCIAL STATIONS (HF RADIOTELEPHONE)

Location Station (Call Sign) ITU Channel

SSB (carrier) Frequencies

(in kHz)

Shore Ship

Marina del Ray,

California, U.S.A.

Marina del Ray (KNN)

Hours of watch: 24 hr.

416

814

1203

1616

2214

4402

8758

13083

17287

22735

4110

8234

12236

16405

22039

Mobile, Alabama,

U.S.A.

Mobile (WLO)

Hours of watch: 24 hr.

405

414

607

824

830

1212

1226

1607

1641

1807

2237

2503

4369

4396

6519

8788

8806

13110

13152

17260

17362

19773

22804

26151

4077

4104

6218

8264

8282

12263

12305

16378

16480

18798

22108

25076

Mobile, Alabama,

U.S.A.

Mobile (WCL)

Hours of watch: 24 hr.

403

802

1206

1601

2243

4363

8722

13092

17242

22822

4071

8198

12245

16360

22126

Republic, Washington,

U.S.A.

Republic (KKL)

Hours of watch:

1700-0100 GMT

421

606

821

1221

1621

1806

4417

6516

8779

13137

17302

19770

4125

6215

8255

12290

16420

18795

Seattle, Washington,

U.S.A.

Seattle (KLB)

Hours of watch: 24 hr.

417

805

1209

1624

4405

8731

13101

17311

4113

8207

12254

16429

Notes: (1) Stations KLB, KNN and WCL are part of the ShipCom Radio Network, operated

remotely from Mobile (WLO).

(2) AMVER messages may be sent free of charge through any ShipCom Radio Network

station.
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 106

COMMERCIAL STATIONS (HF DSC)

FREQUENCY SELECTION GUIDE

Location Station (Call Sign) ITU Channel Frequencies (in kHz)

Shore Ship

Mobile, Alabama,

U.S.A.

Mobile (WLO) 4219 4208

MMSI: 003660003 6331 6312.5

8436.5 8415

12657 12577.5

16903 16805

Time at Coast (Local) Distance (NM)

200-750 750-1500 >1500

0000 3-5 MHz 6-9 MHz 6-11 MHz

0400 3-5 MHz 4-7 MHz 6-9 MHz

0800 3-7 MHz 6-11 MHz 11-22 MHz

1200 4-7 MHz 8-13 MHz 13-22 MHz

1600 4-7 MHz 8-13 MHz 13-22 MHz

2000 3-7 MHz 6-11 MHz 11-22 MHz
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 107

LIST OF INMARSAT COAST EARTH STATIONS

(Extracted from ANNEX 5 of the IMO GMDSS Master Plan)

NAV/MET

Area

Country Location Ocean

Area

Inmarsat

Satellite Service

Associated RCC

I Netherlands Burum (Xantic) AOR-E

(12)

-A,-B,-C,-E MRCC Den Helder

(LES ID x12 and

x22)

AOR-E

(22)

-C

AOR-W

(12)

-A,-B,-C,-E

AOR-W

(22)

-C

IOR (12) -A,-B,-E

Norway Eik AOR-E -A,-B,-C MRCC Stavanger

AOR-W -A,-B,-C

IOR -A,-B,-C

Poland Psary AOR-E -A,-B,-C RCC Gdynia

IOR -A,-B,-C

United Kingdom Goonhilly AOR-E -A,-B,-C,-E MRCC Falmouth

AOR-W -A,-B,-C,-E

IOR -A,-B,-C

POR -A,-B,-C

II France Pleumeur-Bodou AOR-E -A MRCC Gris-Nez

(MRCC Bremen for

Inmarsat-E)

AOR-W -A

IOR -A

POR -A

Aussaguel AOR-E -B,-C,-E

IOR -B,-C,-E

Portugal Sintra AOR-E -C MRCC Lisbon

III Greece Thermopylae AOR-E -A,-B,-C Piraeus JRCC

IOR -A,-B,-C

Italy Fucino AOR-E -A,-B,-C MRCC Roma

IOR -A,-B,-C

Turkey Ata AOR-E -A,-C MRCC Ankara

IOR -A,-C

Ukraine Odessa AOR-E -A

IOR -A

IV Canada Laurentides AOR-E -B RCC Halifax

AOR-W -B

United States Southbury AOR-E -A,-B,-C RCC Norfolk

AOR-W -A,-B,-C

V Brazil Tangua AOR-E -A,-B,-C Salvamar-Su Este;

Rio de Janeiro

VIII India Arvi IOR -A,-B,-C

IX Egypt Maadi AOR-E -A RCC Cairo

Iran Boumehen IOR -A,-C

Saudi Arabia Jiddah IOR -A RCC Jiddah
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 108

IX United Arab Emirates Towi Al Sawan IOR -B

X Australia Perth (Xantic) IOR (12) -C, MRCC Australia (Canberra)

(LES ID x12 and

x22)

IOR (22) -A,-B,-C,-E

POR (12) -A,-B,-C,-E

POR (22) -A,-B,-C,-E

XI China Beijing IOR -A,-B,-C MRCC China

POR -A,-B,-C

Indonesia Jatiluhur IOR -B

Japan Yamaguchi IOR -A,-B,-C RCC Yokohama

RCC Nagoya

RCC Kobe

RCC Hiroshima

RCC Kitakyushu

RCC Maizuru

RCC Niigata

RCC Kagoshima

RCC Naha

POR -A,-B,-C RCC Otaru

RCC Shiogama

Malaysia Kuantan IOR -A,-B MRCC Port Klang

Republic of Korea Kumsan IOR -A,-C RCC Inchon

POR -A,-C

Singapore Sentosa IOR -A,-B,-C Singapore Port Operations

Control Center POR -A,-B,-C

Thailand Nonthaburi IOR -B,-C RCC Bangkok

Vietnam Haiphong IOR -B,-C MRCC Viet Nam

Hong Kong (Associate

Member of IMO)

Cape D’Aguilar IOR -A,-B MRCC Hong Kong

POR -A,-B

XII United States Santa Paula POR -A,-B,-C,-E RCC Alameda

Southbury AOR-W -A,-B,-C RCC Norfolk

XIII Russian Federation Nakhodka POR -A MRCC Vladivostok

Nudol AOR-E -C SMRCC Moscow

IOR -C

NAV/MET

Area

Country Location Ocean

Area

Inmarsat

Satellite Service

Associated RCC
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 109

LIST OF RESCUE COORDINATION CENTERS USING SHIP EARTH STATIONS

(Extracted from ANNEX 6 of the IMO GMDSS Master Plan)

RCC SES DETAIL

NAV/MET

Area

Country Name Position ID Type Ocean Region

Accessed

I Estonia MRCC Tallinn 59-24N 24-40E 492480040 Inmarsat-C AOR-E

Finland RCC Turku 60-26N 22-15E 423002211 Inmarsat-C AOR-E

France MRCC Gris Nez 50-52N 01-35E 422799256 Inmarsat-C AOR-E

Germany MRCC Bremen 53-04N 08-48E 492621021 Inmarsat-C AOR-E

Latvia MRCC Riga 57-02N 24-05E 427518510 Inmarsat-C AOR-E

Lithuania MRCC Klaipeda 55-43N 21-06E Tel: 327703310

Fax: 327703312

Tlx: 327703314

Inmarsat-B AOR-E or IOR

Russian

Federation

MRCC Saint

Petersburg

59-54N 30-14E 492509012 Inmarsat-C AOR-E, IOR

Sweden MRCC Göteborg 57-28N 11-56E Tel: 326590010

Fax: 326590011

Tlx: 326590013

Inmarsat-B AOR-E, AOR-W,

IOR

426590010 Inmarsat-C AOR-E, AOR-W,

IOR

United

Kingdom

MRCC Falmouth Falmouth 1441532 Inmarsat-A AOR-E

423200159 Inmarsat-C AOR-W

423200158 Inmarsat-C AOR-E

II France MRCC Etel 47-40N 03-12W 422799025 Inmarsat-C AOR-E

III Croatia MRCC Rijeka 45-20N 14-27E 423816510 Inmarsat-C AOR-E

Cyprus RCC Larnaca 34-52N 33-37E Tel: 321099990

Fax: 321099991

Tlx: 321099992

Inmarsat-B AOR-E, IOR

421099999 Inmarsat-C AOR-E, IOR

Greece Piraeus JRCC 37-58N 23-40E 1133207 Inmarsat-A AOR-E, IOR

423767310 Inmarsat-C AOR-E, IOR

Russian

Federation

MRCC

Novorossiysk

44-41N 37-47E Tel: 327325510

Fax: 327325515

Tlx: 327325518

Inmarsat-B IOR

(Caspian Sea) MRCC Astrakhan 46-20N 48-00E 427310985 Inmarsat-C IOR

Ukraine MRCC Odessa 46-29N 30-44E 492550019 Inmarsat-C AOR-E

IV Bermuda RCC Bermuda 32-23N 64-41W 431010110 Inmarsat-C AOR-E

Canada MRSC St. John’s - 431699930 Inmarsat-C AOR-W

- 431699931 Inmarsat-C AOR-E

JRCC Halifax - Tlx: 331699943 Inmarsat-B AOR-W

- 493020114 Inmarsat-C AOR-E

- 493020115 Inmarsat-C AOR-W

JRCC Trenton - 431699928 Inmarsat-C AOR-W

- 431699929 Inmarsat-C AOR-E

JRCC Victoria - 431699932 Inmarsat-C AOR-W

- 431699933 Inmarsat-C POR

France

(Martinique)

MRCC

Fort-de-France

14-36N 61-04W 422799244 Inmarsat-C AOR-E

422799024 Inmarsat-C AOR-W
DISTRESS, EMERGENCY, AND SAFETY TRAFFIC

4 - 110

IV United States RCC Norfolk 36-43N 76-12W 430370680 Inmarsat-C AOR-W

430370670 Inmarsat-C AOR-E

V Brazil MRCC Brazil 22-53N 43-10W 471009910 Inmarsat-C AOR-E, AOR-W

VI Argentina MRCC Puerto

Belgrano

38-53S 62-06W 470128910 Inmarsat-C AOR-E, AOR-W

VII France

(La Reunion)

MRCC La Reunion 20-56S 55-17E 422799193 Inmarsat-C IOR

VIII France

(La Reunion)

MRCC La Reunion 20-56S 55-17E 422799193 Inmarsat-C IOR

IX Egypt Suez Canal

Authority

Ismailia Radio 1622570 Inmarsat-A AOR-E

X Australia RCC Australia 35-15S 149-05E 450300458 Inmarsat-C POR

France (New

Caledonia)

MRCC Noumea 22-17S 166-26E 422799194 Inmarsat-C POR

XI China Beijing N.I. N.I. N.I. N.I.

Hong Kong

(Associate

Member of

IMO)

MRCC Hong Kong Hong Kong 447735010 Inmarsat-C POR

XIII Russian

Federation

MRCC Vladivostok 43-07N 131-53E 492500379 Inmarsat-C POR

MRSC

Yuzhno-Sakhalinsk

46-59N 142-43E 427311122 Inmarsat-C POR

(White Sea) MRSC Arkhangelsk 64-32N 40-32E 492509110 Inmarsat-C AOR-E, IOR

XIV French

Polynesia

MRCC Papeete 17-32S 149-35W 422799192 Inmarsat-C POR

RCC SES DETAIL

NAV/MET

Area

Country Name Position ID Type Ocean Region

Accessed
5 - 1

CHAPTER 5

STATIONS TRANSMITTING MEDICAL ADVICE

500A. General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

500B. Station List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

5 - 3

CHAPTER 5

STATIONS TRANSMITTING MEDICAL ADVICE

500A. General

This chapter is to assist ships at sea, with no medical

personnel embarked, experiencing a medical emergency

onboard. The text of any message should be formatted in

plain language and should describe the medical emergency

as follows:

– General description of medical resources.

– Name of next port of call.

– List of ports visited where exotic or infectious diseases

could have been contracted.

– Patient data:

– Sex.

– Age.

– Clinical antecedents.

– Vital signs (temperature in degrees centigrade).

– Symptoms.

– Presumed cause of illness or accident.

– Observations.

If language is a limiting factor, the International Code of

Signals (CDPUBNV102) can be used by itself, or in

conjunction with English or another language specified by

the coast station called.

Messages are generally addressed RADIOMEDICAL

followed by the name of the coast station to which the

message is sent. The priority of the message should depend

on the severity of the ailment. In extreme emergency the

urgency signal (PAN PAN) should precede the address on

the address line (example: PAN PAN RADIOMEDICAL

HALIFAX RADIO).

Messages are sent using distress and safety frequencies

(See chapter 4.) by radiotelex, radiotelephony, or Inmarsat.

500B. Station List

Detailed information concerning stations transmitting

medical advice is contained in the List of Radiodetermination

and Special Service Stations of the International

Telecommunication Union. A brief listing of medical advice

stations, alphabetical by country, follows.
STATIONS TRANSMITTING MEDICAL ADVICE

5 - 4

(1)

No.

(2)

Name

(3)

Address

(4)

Name of Coast Station

(5)

Remarks

For all addresses in this table, the letters “XXX” are for use in radiotelegraphy; they are replaced by the words “Pan Pan Pan” in radiotelephony.

5010 Algeria XXX RADIOMEDICAL; station call

sign.

Algiers (7TA).

Annaba (7TB).

Oran (7TO).

Message must be in English or French.

5020 Argentina CONSULTA RADIO-MEDICA;

name of coast station.

In urgent cases the prefix “XXX” or

“PAN” may be used.

Any coast radio station. Message must be in Spanish. It should

include the following information:

(a) patient's sex;

(b) age;

(c) medical history;

(d) symptoms;

(e) probable cause of the illness or

circumstances leading to the accident;

(f) any additional information that may aid

diagnosis and treatment such as pulse rate,

temperature (°C), and cause and severity of

the wound.

Message must be signed by the Master.

This service, provided by Servicio de

Asistencia Medica de Emergencia (SAME)

(Emergency Medical Assistance Service),

assumes no liability for information given in

medical consultations.

5030 Australia RCC Australia;

MMSI 005030001.

RCC Australia (VIC). Vessels at sea can request medical advice

via HF DSC radio or Inmarsat satellite

services. The service has been put into

place for SOLAS vessels but other craft may

use the service in emergencies.

This service is free and is available via

Inmarsat-C fitted vessels using access code

32, HF DSC fitted vessels through RCC

Australia (VIC) using Urgency priority DSC

Call or, for non-SOLAS vessels, by

contacting RCC Australia on (61) 2 6230

6868 who will put the vessel in contact with

the Duty Medical Officer at the Royal Flying

Doctor Service (RFDS) Telemedical Advice

Center (TMAC) at Cairns, Queensland.

5050 Bahrain Health Officer, Bahrain. Bahrain (A9M).

5060 Bangladesh Medical Services, Port Health

Officer, Chittagong. In urgent cases

the prefix “XXX” may be used.

Chittagong (S3D). Message should include description of

patient's symptoms and description of ship's

medical chest. It must be signed by the

Master.

5070 Barbados Health Officer, Barbados. Barbados (8PO).

5080 Belgium RADIOMEDICAL Oostende. In

urgent cases the prefix “XXX” may

be used.

Oostende (OST). Message must be in Dutch, English, French

or German. It should include description of

ship's medical chest and patient's

symptoms, age, sex, vital signs and medical

history. Message must be signed by the

Master.

5090 Benin XXX RADIOMEDICAL Cotonou. Cotonou (TYA). Message must be in French. It should

include description of ship's medical chest

and patient's symptoms, age, sex, vital signs

and medical history. Message must be

signed by the Master.

5100 Bermuda Health Officer, Bermuda. Bermuda Radio (VRT)(ZBM).

5101 Burma Medical Service, Rangoon. Rangoon (XYR).

5110 Cameroon XXX RADIOMEDICAL Douala. Douala (TJC). Message must be in French. This service

assumes no liability.

5120 Canada RADIOMEDICAL; station call sign. Any coast radio station. Message must be signed by the Master.

5130 Chile MEDICO; station call sign. In

urgent cases the prefix “XXX” may

be used.

Antofagasta (CBA).

Magallanes (CBM).

Talcahuano (CBT).

Valparaiso (CBV).
STATIONS TRANSMITTING MEDICAL ADVICE

5 - 5

5140 China MEDICO; station call sign. In

urgent cases the prefix “XXX” may

be used.

Dalian (XSZ).

Guangzhou (XSQ).

Qingdao (XST).

Shanghai XSG).

Tianjin (XSV).

5141 Comoros RADIOMEDICAL Dzaoudzi. Dzaoudzi (FJN). Message must be in English or French.

5150 Congo XXX RADIOMEDICAL Pointe Noire. Pointe Noire (TNA). Message must be in French. This service

assumes no liability.

5160 Costa Rica DH MEDICO Limon. Limon (TIM).

5165 Croatia RADIOMEDICAL; name of coast

station.

Any coast radio station. Message must be in English or Croatian. It

should include:

(a) symptoms noted and those experienced

by patient;

(b) patient's age and sex;

(c) date of the accident or onset of illness;

(d) temperature, pulse, general condition,

and position of the patient;

(e) medical equipment carried by the ship.

Message must be signed by the Master.

Stations provide medical advice to ships of

all nationalities. The radiomedical service is

free of charge.

5170 Cuba DH MEDICO; station call sign. Habana (CLA)(CLT).

Santiago De Cuba (CLM).

5180 Cyprus MEDICO DMO Nicosia. Cyprus (5BA).

5190 Denmark RADIOMEDICAL; station call sign. Blaavand (OXB).

Lyngby (OXZ).

Ronne (OYE).

Skagen (OXP).

Torshavn (OXJ).

Message must be in Danish, English,

French, German, Norwegian or Swedish. It

should include ship's name and position and

patient's symptoms and vital signs.

Message must be signed by the Master.

5200 Djibouti Service Quarantenaire Djibouti

(J2A). In urgent cases the prefix

“XXX” may be used.

Djibouti (J2A). Message must be in English or French. This

service assumes no liability.

5210 Dominican Republic RADIOMEDICO Santo Domingo

Piloto.

Santo Domingo Piloto (HIA).

5220 Egypt XXX RADIOMEDICAL; station call

sign.

Alexandria (SUH).

Kosseir (SUK).

Message must be signed by the Master.

This service assumes no liability.

5245 Fiji Islands RADIOMEDICAL Suva. Suva (3DP).

5250 Finland RADIOMEDICAL; station call sign.

In urgent cases the prefix “XXX”

may be used.

Any coast radio station except

Kemi,

Turku or Port.

Message must be in English, Finnish or

Swedish. It should include patient's

symptoms and cause of illness. Message

must be signed by the Master.

Consultations with doctors of central

hospitals of Helsinki and Turku University

are free of charge. Other doctors consulted

set their own fees.

(1)

No.

(2)

Name

(3)

Address

(4)

Name of Coast Station

(5)

Remarks
STATIONS TRANSMITTING MEDICAL ADVICE

5 - 6

5260 France XXX RADIOMEDICAL; name of

CROSS/Sous-CROSS station.

Any coast radio station or

CROSS/Sous-CROSS station.

CCMM telex: 530333F

telephone: 33 5 61 49 33 33

Message must be in French, English, or

International Code (CDPUBNV102).

The French Center for Maritime Medicine

(CCMM) is part of the Urgent Medical Aid

Service (SAMU) in Toulouse and is available

continuously to give advice to ships at sea.

After analyzing the patient's situation,

CCMM advises the ship's Master of the

recommended treatment:

Type 1 - treatment onboard without altering

voyage.

Type 2 - treatment onboard with change of

voyage plan.

Type 3 - urgent evacuation without doctor

(EVA-SAN).

Type 4 - urgent evacuation with doctor

(EVA-MED).

Type 5 - onboard transfer of medical team

followed by evacuation.

For treatment types 3, 4, and 5

(interventions by CCMM), the Master is

advised to send his request by telex or

radiotelephone to the nearest CROSS

station; Etel and La Garde CROSS stations

specialize in providing medical advice.

CCMM can be contacted by:

(1) Radiotelephone via any CROSS or

Sous-CROSS station or coast radio station.

(2) Radiotelex (MED+) via any coast radio

station.

(3) Inmarsat telephone call using code 38.

5290 Gambia Health Officer, Banjul. Banjul (C5G).

5300 Germany Funkarzt; station call sign. In

urgent cases the prefix “XXX” may

be used.

Any coast radio station. Message must be in English or German.

5320 Ghana Port Health Officer, Takoradi. Takoradi (9GA).

5330 Greece RADIOMEDICAL; station call sign.

In urgent cases the prefix “XXX”

may be used.

Any coast radio station. Message must be in English, French or

Greek. This service assumes no liability.

5340 Greenland RADIOMEDICAL Julianehab. Qaqortoq (OXF). Message must be in Danish, English,

French, German, Norwegian or Swedish.

5350 Guadeloupe XXX RADIOMEDICAL

Pointe-a-Pitre.

Pointe-a-Pitre (FFQ). Message must be in French.

5360 Guinea XXX RADIOMEDICAL Conakry. Conakry (3XC). Message must be in French. It should

include patient's symptoms, age, sex, vital

signs and medical history. This service

assumes no liability. Conakry guards 2182

kHz 0700-1900 and 3 minutes at the

beginning of every hour 2000-2200.

5370 Guyana Health Officer, Georgetown. Demerara (8RB).

5380 Hong Kong (China) Porthealth Hong Kong. Hong Kong (VRX).

5390 India Medical service; station call sign.

In urgent cases the prefix “XXX”

may be used.

Any coast radio station. Message should include patient's symptoms

and description of ship's medical chest. It

must be signed by the Master.

5400 Indonesia RADIOMEDICAL Jayapura. In

urgent cases the prefix “XXX” may

be used.

Jayapura (PNK). Message must be in Dutch or English. It

should include description of ship's medical

chest and patient's sex, age, medical history,

symptoms and vital signs. Message must be

signed by the Master.

5410 Iraq Port Medical Officer, Ma'aqal. In

urgent cases the prefix “XXX” may

be used.

Basrah Control (YIR).

5420 Ireland (No specific format). Any coast radio station. If a doctor from shore is wanted, the request

should be addressed as a radiotelegram to

the medical officer of the nearest convenient

port.

5430 Israel MEDICO Haifa. In urgent cases the

prefix “XXX” may be used.

Haifa (4XO). Message must be signed by the Master.

This service assumes no liability.

(1)

No.

(2)

Name

(3)

Address

(4)

Name of Coast Station

(5)

Remarks
STATIONS TRANSMITTING MEDICAL ADVICE

5 - 7

5440 Italy MEDRAD CIRM Roma. Any coast radio station.

The following coast radio stations

will relay messages to CIRM:

Italian coast radio stations (asking

for CIRM) (address: MEDRAD

CIRM Roma).

USCG stations (Atlantic and Gulf

coasts) (address: DH MEDICO

CIRM Roma).

USCG stations (Pacific coast)

(address: DH MEDICO CIRM

Roma via PREWI).

CIRM can be contacted 24 hours

by:

telephone: (39) 06 592 3331/3332

facsimile: (39) 06 592 3333

telex*: (43) 612068 CIRM I (both

satellite or radio telex)

E-mail: telesoccorso@cirm.it

Website: http://www.cirm.it

Maritec system

The International Radio Medical Center

(CIRM) provides 24-hour free radio medical

assistance to patients onboard vessels of

any nationality anywhere in the world. CIRM

can also decide and coordinate, wherever

possible, the Medevac of a patient from a

vessel by naval craft or helicopter,

cooperating mainly with National MRCCs

and if necessary with other rescue

organizations, such as the USCG.

Message must be in English, French or

Italian. When requesting radio medical

assistance, the vessel should communicate

the following information regarding:

the vessel:

(a) Vessel's name/call sign.

(b) Position, port of departure and

destination, ETA, route and speed.

(c) Medicine chest available.

the patient:

(d) Name, age and nationality.

(e) Temperature, blood pressure, pulse and

respiratory rates.

(f) Patient's symptoms, location and type of

pains, and any relevant information

concerning the illness.

(g) Other medical problems, with special

reference to drug or other allergies, chronic

illness and their treatment.

(h) In case of accident, in addition to the

symptoms, where and how the accident

occurred.

(i) Treatment already administered to the

patient.

*NOTE: Requests via telex should be addressed MEDRAD or DH MEDICO to obtain priority of transmission.

5450 Ivory Coast XXX RADIOMEDICAL Abidjan. Abidjan (TUA). Message must be in French. It should

include patient's age, sex, symptoms,

medical history and vital signs. Message

must be signed by the Master. This service

assumes no liability. Abidjan guards 2182

kHz, but only distress and safety traffic are

handled 2000-0800.

5460 Jamaica Health Office, Kingston. Kingston (6YI).

5470 Japan MDC; station call sign and hospital

name if applicable. In urgent cases

the prefix “XXX” may be used.

Any coast radio station.

The following hospitals also

respond

under the call signs listed:

NKEB - Kobe Moji

Nagasaki

Nagoya

Osaka

Otaru

Shiogama

Tokyo

Yokohama SHKB - Osaka

Tokyo

Yokohama Japanese vessels with doctors

aboard will also respond to

requests

for medical advice

(address: ship's Master).

Message must be in English, French,

German or Japanese. It must be signed by

the Master.

5480 Kenya Medical Port Health Officer,

Mombasa.

Mombasa (5ZF). Message must be signed by the Master.

5485 Latvia (No specific format). Riga (UKB).

5500 Madagascar XXX RADIOMEDICAL; station call

sign.

Antseranana (5RL).

Mahajango (5RO).

Taomasina (5RS).

Toliara (5RT).

Message must be in English, French or

Malagasy. This service assumes no liability.

5510 Malaysia RADIOMEDICAL; station call sign.

In urgent cases the prefix “XXX”

may be used.

Kelang (9MP).

Kota Kinbalu (9WH).

Kuantan (9MK).

Kuching (9WW20).

Miri (9WW21).

Pinang (9MG).

Sandakan (9WH21).

Message should include patient's symptoms

and description of ship's medical chest.

5520 Malta Medical Officer, Malta. Malta (9HD).

(1)

No.

(2)

Name

(3)

Address

(4)

Name of Coast Station

(5)

Remarks
STATIONS TRANSMITTING MEDICAL ADVICE

5 - 8

5540 Martinique XXX RADIOMEDICAL Fort de

France Radio.

Fort de France (FFP). Message must be in French. This service

assumes no liability.

5541 Mauritius Superintendent, Victoria Hospital,

Quatre-Bornes, Mauritius.

Mauritius (3BA). Message must be in English or French.

5542 Monaco (No specific format). Monaco (3AC). Message must be in English, French or

Italian.

5550 Morocco XXX RADIOMEDICAL; station call

sign.

Agadir (CND).

Casablanca (CNP).

Safi (CND3).

Tangier (CNW).

Message must be in French. This service

assumes no liability.

5560 Namibia Porthealth, Walvis Bay. Walvis Bay (ZSV). Message must be in International Code

(CDPUBNV102) supplemented, if

necessary, with Afrikaans or English. It

should include patient's symptoms and brief

description of ship's medical chest. This

service assumes no liability.

5565 Nauru RADIOMEDICAL Nauru. Nauru (C2N).

5570 Netherlands Radio Medical Advice (RMA). Netherlands Coastguard Radio

(PBK).

Message must be in Dutch or English.

Radiotelephone (VHF)-Sea Area A1:

(a) Call Netherlands Coastguard Radio

(PBK) on VHF DSC Ch. 70 MMSI

002442000 or Ch. 16.

(b) State vessel's name, callsign and

position, and ask for Medical Advice.

(c) The vessel will be assigned a VHF

working channel (Ch. 23 or 83) and

connected to the duty RMA doctor.

(d) Use the Radio Medical Advice

questionnaire to give the doctor clear

information.

Radiotelephone (MF)-Sea Area A2:

(a) Call Netherlands Coastguard Radio

(PBK) on MF DSC 2187.5 kHz MMSI

002442000 requesting a transfer to 2182

kHz.

(b) After establishing contact on 2182 kHz

state vessel's name, callsign and position,

and ask for Medical Advice.

(c) The vessel will be assigned a working

frequency and connected to the duty RMA

doctor.

(d) Use the Radio Medical Advice

questionnaire to give the doctor clear

information.

Inmarsat-A/-B/-M Telephone (via

Burum-Station 12):

(a) Contact Station 12 by entering code 12.

(b) For priority use code 32-Medical Advice

or code 38-Medical Evacuation.

(c) State vessel's name, Inmarsat number

and position.

(d) Vessel will be connected to the duty RMA

doctor.

(e) Use the Radio Medical Advice

questionnaire to give the doctor clear

information.

Inmarsat-A/-B/-C Telex* (via Burum-Station

12):

(a) Contact Station 12 by entering code 12.

(b) For priority use code 32-Medical Advice

or code 38-Medical Evaluation.

*NOTE: For Inmarsat -A/-B Telex, the vessel will be automatically relayed to the RMA computer and will receive the host (MEDIC SERVICE NL). Vessel's host will be

called in. Send the message and end with: NNNN. Disconnect but do not switch off the Inmarsat terminal as the RMA computer will automatically send a reply from the

doctor.

For Inmarsat-C Telex, the vessel will be automatically relayed to the store and forward system of Station 12. Send the message and end with: NNNN. Disconnect but

do not switch off the Inmarsat terminal as the RMA computer will automatically send a reply from the doctor.

5580 Netherland Antilles RADIOMEDICUS Curacao. Curacao (PJC). Message should include description of

ship's medical chest, last/next ports of call

and patient's age, sex, symptoms, vital signs

and medical history. It must be signed by

the Master.

5590 New Caledonia RADIOMEDICAL Noumea. Noumea (FJP). Message must be in French. It should

include patient's symptoms and description

of ship's medical chest. Message must be

signed by the Master.

5600 New Zealand RADIOMEDICAL; station call sign.

In urgent cases the prefix “XXX”

may be used.

Taupo Maritime Radio (ZLM). Message should include patient's symptoms

and description of ship's medical chest. It

must be signed by the Master.

(1)

No.

(2)

Name

(3)

Address

(4)

Name of Coast Station

(5)

Remarks
STATIONS TRANSMITTING MEDICAL ADVICE

5 - 9

5610 Nigeria Health Officer, Lagos. Lagos (5OW).

5620 Norway (No specific format). Any coast radio station. Message must be in Danish, English,

German, Norwegian or Swedish.

5630 Oman Health Officer, Muscat. Muscat (A4M).

5640 Pakistan Medical Services, Port Health

Officer, Karachi. In urgent cases

the prefix “XXX” may be used.

Karachi (ASK). Message should include patient's symptoms

and description of ship's medical chest. It

must be signed by the Master.

5650 Panama DH MEDICO. Canal (HPN60) Canal guards 500 kHz.

5660 Papua New Guinea RADIOMEDICAL; station call sign. Port Moresby (P2M).

Rabaul (P2R).

5665 Peru Centro Medico Naval Callao. Callao (OBC3). Message must be in Spanish. It should

include patient's sex, age, symptoms,

medical history and vital signs, description

of ship's medical chest, position and next

port of call.

5670 Philippines MEDICO Manila. Manila (DZR).

5680 Poland RADIOMEDICAL; station call sign.

In urgent cases the prefix “XXX”

may be used.

Gdynia (SPC)(SPH).

Szczecin (SPE)(SPO).

Witowo (SPN)(SPS).

Message must be in English or Polish.

5690 Portugal XXX RADIOMEDICAL; station call

sign.

Lisboa (CUL).

Madeira (CUB).

Sao Miguel (CUG).

Message must be in English, French or

Portuguese. It should inlude cause and

symptoms of illness. Message must be

signed by the Master. This service assumes

no liability.

5705 Russia (No specific format). Arkhangel'sk (UGE).

Murmansk (UMN).

St. Petersburg (UDB).

Vladivostok (UIK).

Message must be in English or Russian.

5710 Reunion Island XXX RADIOMEDICAL St. Denis. St. Denis (FFD). Message must be in French. This service

assumes no liability.

5720 St. Helena Medical Officer, St. Helena. St. Helena (ZHH).

5725 St. Pierre and Miquelon RADIOMEDICAL St. Pierre. St. Pierre (TXU). Message must be in French.

5730 Saudi Arabia (No specific format). Dammam (HZG).

Jiddah (HZH).

Ra's Tannurah (HZY).

Stations guard 500 kHz.

5740 Senegal XXX RADIOMEDICAL Dakar. Dakar (6VA). Message must be in French. It should

include patient's age, sex, medical history,

vital signs and symptoms. Dakar guards

2182 kHz, but only distress and safety traffic

are handled 2000-0800.

5740.5 Serbia and Montenegro RADIOMEDICAL Bar. Bar (YUW). Message must be in English or Serbo-Croat.

It should include patient's age, sex, medical

history, symptoms and vital signs, date of

the accident or of the onset of the illness,

and description of ship's medical chest.

5741 Seychelles Health Officer, Seychelles. Seychelles (S7Q).

5750 Sierra Leone Health Officer, Freetown. Freetown (9LL).

5755 Singapore RADIOMEDICAL Singapore. Singapore (9VG).

5760 Slovenia RADIOMEDICAL; station call sign. Any coast radio station. Message should include patient's age, sex,

medical history, symptoms and vital signs

and description of ships medical chest.

(1)

No.

(2)

Name

(3)

Address

(4)

Name of Coast Station

(5)

Remarks
STATIONS TRANSMITTING MEDICAL ADVICE

5 - 10

5770 South Africa Porthealth; station call sign. Capetown (ZSC).

Durban (ZSD).

East London (ZSA).

Port Elizabeth (ZSQ).

Richards Bay (ZSU).

Message must be in International Code

(CDPUBNV102) supplemented, if

necessary, with Afrikaans or English. It

should include patient's symptoms and

description of ship's medical chest. This

service assumes no liability.

5780 Yemen Aden Health Officer, Aden. Aden (7OA).

5790 Spain MEDRAD; station call sign. In

urgent cases the prefix “XXX” may

be used.

Any coast radio station. Message must be in Spanish or

International Code (CDPUBNV102).

5800 Sri Lanka Medical Service, Colombo. In

urgent cases the prefix “XXX” may

be used.

Colombo (4PB). Message should include patient's symptoms

and description of ship's medical chest. It

must be signed by the Master.

5810 Suriname Medical Advice, Director of Health,

Paramaribo.

Paramaribo (PZN). Message should include description of

ship's medical chest and patient's sex, age,

symptoms and medical history. It must be

signed by the Master.

5820 Sweden (No specific format). MRCC Goteborg. MRCC Goteborg can be contacted by:

 telephone: (46) 31 699050

 fax: (46) 31 648010

 telex: (54) 20180 (MRCCGBG S)

 email:

radiomedical@amrcc.sjofartsverket.se

If possible, try to contact MRCC Goteborg

by phone first when sending e-mail.

5820.5 Svalbard (No specific format). Svalbard (LGS).

Ny-Alesund (LJN).

Message must be in Danish, English,

German, Norwegian or Swedish (French

over radiotelegraph only).

5821 Switzerland RADIOMEDICAL Bern. Bern (HEB)(HEC). Message may be in English, but preferably

in French or German.

5822 Tahiti RADIOMEDICAL Mahina. Mahina (FJA). Message must be in English or French.

5823 Tonga RADIOMEDICAL Nukualofa. Nukualofa (A3A). In urgent cases

the prefix “PAN PAN” may be used.

Message should be in English. It should

include patient's symptoms and description

of ship's medical chest.

5824 Togo RADIOMEDICAL Lome. Lome (5VA). Message must be in French.

5840 Tunisia XXX RADIOMEDICAL; station call

sign.

Bizerte (3VB).

Mahdia (3VM).

Sfax (3VS).

Tunis (3VX)(3VT).

Message must be in French.

5845 Ukraine (No specific format). Odessa (UDE).

5850 United Kingdom (No specific format). Any coast radio station. Radiotelephone (VHF): Vessels should call

on DSC Ch. 70 or on VHF Ch. 16 and will be

directed to a working channel. After contact

is established on the working channel, the

vessel will be connected to a casualty doctor

by simplex radiotelephone.

Radiotelephone (MF): After an initial call on

DSC 2187.5 kHz using the Urgency priority

and contact is established on 2182 kHz, the

vessel will be assigned a working frequency.

After contact is established on the working

frequency, the vessel will be connected to a

casualty doctor by simplex radiotelephone.

Alternatively, vessels may call direct on 2182

kHz.

Inmarsat-A/-B/-M/Mini-M Telephone (via

Goonhilly): Vessels should use code 32 for

medical advice and will be automatically

connected to a doctor. Vessels requiring

urgent medical assistance should use code

38 and will be automatically connected to

the HM Coast Guard.

(1)

No.

(2)

Name

(3)

Address

(4)

Name of Coast Station

(5)

Remarks
STATIONS TRANSMITTING MEDICAL ADVICE

5 - 11

5860 United States (Atlantic and Gulf) DH MEDICO; station call sign;

group count (number of words in

message).

Massachusetts:

Boston (NMF), USCG.

Virginia:

CAMSLANT Chesapeake

(Portsmouth) (NMN), USCG.

Florida:

Miami (NMA), USCG.

Louisiana:

New Orleans (NMG), USCG.

Telephone calls from ships to doctors or

hospitals are handled as regular phone calls

in accordance with legally applicable tariffs.

Ships requesting medical advice with no

specific telephone number will be connected

by the USCG. No charge is made for the call

when the ship states it is an emergency

involving the safety of life or property at sea.

Message must be signed by the Master.

Messages transmitted to a USCG station

are routed to the nearest medical facility.

This service (inquiry and reply) is free of

charge.

Numerous USCG stations continuously

guard 2182 kHz (USB) and 156.8 MHz

(VHF-FM) and will facilitate the provision of

medical advice through their associated

Rescue Coordination Center (RCC).

The use of the signal “CQ” from the

International Code (CDPUBNV102) for

medical messages is discouraged.

5861 United States (Great Lakes) DH MEDICO; station call sign;

group count (number of words in

message).

Telephone calls from ships to doctors or

hospitals are handled as regular phone calls

in accordance with legally applicable tariffs.

ships requesting medical advice with no

specific telephone number will be connected

by the USCG. No charge is made for the call

when the ship states it is an emergency

involving the safety of life or property at sea.

Messages must be signed by the Master.

Messages transmitted to a USCG station

are routed to the nearest medical facility.

This service (inquiry and reply) is free of

charge.

Numerous USCG stations continuously

guard 2182 kHz (USB) and 156.8 MHz

(VHF-FM) and will facilitate the provision of

medical advice through their associated

Rescue Coordination Center (RCC).

The use of the signal “CQ” from the

International Code (CDPUBNV102) for

medical messages is discouraged.

5862 United States (Pacific) DH MEDICO; station call sign;

group count (number of words in

message).

Alaska:

Kodiak (NOJ), USCG.

California:

CAMSPAC Point Reyes (San

Francisco) (NMC), USCG.

Hawaii:

Honolulu (NMO), USCG.

Mariana Islands:

Guam (NRV), USCG.

Telephone calls from ships to doctors or

hospitals are handled as regular phone calls

in accordance with legally applicable tariffs.

Ships requesting medical advice with no

specific telephone number will be connected

by the USCG. No charge is made for the call

when the ship states it is an emergency

involving the safety of life or property at sea.

Message must be signed by the Master.

Messages transmitted to a USCG station

are routed to the nearest medical facility.

This service (inquiry and reply) is free of

charge.

Numerous USCG stations continuously

guard 2182 kHz (USB) and 156.8 MHz

(VHF-FM) and will facilitate the provision of

medical advice through their associated

Rescue Coordination Center (RCC).

The use of the signal “CQ” from the

International Code (CDPUBNV102) for

medical messages is discouraged.

5866 Uruguay Montevideo Trouville (CWC39). Any coast radio station. Message must be in International Code

(CDPUBNV102).

5868 Vietnam RADIOMEDICAL; station call sign. Ho Chi Minh Ville (XVS).

Haiphong (XVG).

(1)

No.

(2)

Name

(3)

Address

(4)

Name of Coast Station

(5)

Remarks

6 - 1

CHAPTER 6

LONG RANGE NAVIGATIONAL AIDS

PART I LORAN-C

600A. General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3

600B. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3

600C. Receivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4

600D. Station List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4

PART II SATELLITE NAVIGATION

610A. General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10

610B. GPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10

610C. DGPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11

610D. GLONASS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-12

Notes: Greater detail on the theory, principles, and operation of long range navigational aids may be found in The

American Practical Navigator (Bowditch)(NVPUB9).

5.0The U.S. Naval Observatory Website provides LORAN-C and GPS user information and data at:

5.0http://tycho.usno.navy.mil/gps.html

5.0The U.S. Coast Guard Navigation Center Website provides Loran-C, GPS, DGPS and general

radionavigation user information and status at:

5.0http://www.navcen.uscg.gov/

5.0http://www.navcenter.org (Mirror site)

5.0GPS status is also broadcast from WWV and WWVH (See sec. 200H.).

6 - 3

CHAPTER 6

LONG RANGE NAVIGATIONAL AIDS

PART I LORAN-C

600A. General

LORAN is a long range system which operates on the

principle that the difference in time of arrival of signals

from two precisely synchronized transmitting stations

describes a hyperbolic line of position (LOP). This time

difference is measured with a LORAN receiver, and is

either converted into geographic LOPs for use with

nautical charts overprinted with LORAN lines or directly

into latitude and longitude readouts. Since at least two

LOPs must be determined to establish a position, the user

must be within the range of two pairs of transmitting

stations or, as is normally the case, a LORAN chain where

a centrally located station serves as a timing reference for

the other stations in the chain. This station is called the

master station (designated M) and the secondaries are

usually designated by the letters V, W, X, Y, or Z. In the

United States, LORAN-C is operated by the U.S. Coast

Guard. Developed in the late 1950’s, LORAN-C operates

on a frequency of 100 kHz. Each LORAN-C chain

operates on a different pulse group repetition interval

(GRI). This allows the operator to make at least two time

difference (TD) measurements without changing channels

on the receiver. The low frequency of LORAN-C permits

usable groundwave signals over several hundred miles.

600B. Operation

The LORAN-C GRI rate structure is such that a GRI

between 40,000 and 99,990 microseconds is chosen for

each chain. The chain designations are four digit numbers

which indicate the GRI in tens of microseconds. For

example, the northeast U.S. LORAN-C chain is designated

9960 and has a GRI of 99,600 microseconds.

The accuracy of a LORAN-C fix is determined by the

accuracy of the individual lines of position used to

establish the fix, as well as by their crossing angle of

intersection. The accuracy of the individual lines of

position depends on the following factors:

– Synchronization of the transmitting stations.

– Operator skill.

– Type of receiver and its condition.

– Skill in plotting the line of position.

– Position of user relative to the transmitting stations.

– Accuracy of charts.

– Accuracy of corrections to compensate for the overland

path.

Some LORAN-C receivers employ a coordinate

converter function, which is designed to internally

compute the latitude and longitude and directly display

these values. This eliminates the need for charts

overprinted with LORAN-C time difference lines.

(CAUTIONARY NOTE: The conversion computation on

some models is based upon an all sea water propagation

path. This leads to errors if the LORAN-C signals from the

various stations involve appreciable overland paths. It is

recommended that operators using coordinate converters

check the manufacturer’s operating manual to determine if

and how corrections are to be applied to compensate for

overland paths.)

Each LORAN-C rate is continuously monitored to

determine that proper synchronization is being maintained.

When the synchronization error exceeds the advertised

tolerance, the user is advised by the blinking of pulses of

the affected secondary and is warned not to use the signal

for navigational purposes. The blink signal will cause most

receivers to indicate by an alarm that the navigational data

displayed is in error. Mariners should check equipment

manuals to determine if their receivers are equipped with a

Blink Alarm and, if not, should exercise caution when near

known hazards or when in restricted waters.

LORAN-C position determinations on or near the

baseline extensions are subject to significant errors and

should be avoided wherever possible. A great circle line

between two LORAN stations is a baseline; the baseline

extension is the extension of that line beyond either station.

LORAN-C coverage presently exists along the western

coast of North America from the Bering Sea southward

along the Gulf of Alaska, western Canada, and the U.S.

west coast to the Mexican border. Along the eastern coast

of North America, LORAN-C coverage exists from

Newfoundland to the southern tip of Florida. Gulf Coast

coverage exists from the southern tip of Florida to the

Texas-Mexico border. Coverage of Lakes Superior,

Michigan, and Huron is provided by the Great Lakes chain,

rate 8970. Coverage of Lakes Huron, Erie, and Ontario is

provided by the Northeast U.S. chain, rate 9960. Coverage

over the central region of the U.S. is provided by the North

and South Central chains, rates 8290 and 9610,

respectively. For foreign LORAN-C coverage (including

that described above) refer to the LORAN-C Plotting

Charts diagram in the latest edition of NGA Catalog of

Maps, Charts, and Related Products Part 2-Volume I

Hydrographic Products (CATP2V01U).

Detailed LORAN-C information is contained in the U.S.

Coast Guard’s LORAN-C User Handbook (COMDTPUB

P16562.6).

NOTE: While the United States continues to evaluate the

long-term need for continuation of the Loran-C

radionavigation system, the Government will operate the

Loran-C system in the short term. The U.S. Government

will give users reasonable notice if it concludes that
LONG RANGE NAVIGATIONAL AIDS

6 - 4

Loran-C is not needed or is not cost effective, so that users

will have the opportunity to transition to alternative

navigation aids. With this continued sustainment of the

Loran-C service, users will be able to realize additional

benefits. Improvement of GPS time synchronization of the

Loran-C chains and the use of digital receivers may

support improved accuracy and coverage of the service.

Loran-C will continue to provide a supplemental means of

navigation.

For further information and/or operational questions

regarding LORAN-C in the United States, contact:

COMMANDING OFFICER

U.S. COAST GUARD NAVIGATION CENTER

7323 TELEGRAPH ROAD

ALEXANDRIA VA 22315-3998

Telephone: (1) 703-313-5900.

Fax: (1) 703-313-5920.

The Navigation Information Service (NIS) is internet

accessible through the U.S. Coast Guard Navigation

Center Website at:

http://www.navcen.uscg.gov/

http://www.navcenter.org (Mirror site)

FOREIGN LORAN-C COVERAGE: In 1992, the U.S.

Coast Guard, which operated LORAN-C overseas for the

Department of Defense, initiated plans to accomplish

transfer or closure of U.S. Coast Guard LORAN-C stations

located on foreign soil. As a result of these efforts, new

LORAN-C systems have developed in areas of the world

previously covered by the U.S. chains.

The countries of Norway, Denmark, Germany, Ireland,

the Netherlands and France have established a common

LORAN-C system known as the Northwest European

Loran-C System (NELS). The developing system will be

comprised of nine stations forming four chains. Since

1995, two chains, Bo and Ejde, have been in experimental

(continuous) operation. The Sylt chain became operational

in late 1995, but users are warned of its unstable condition.

The Lessay chain became operational in September 1997.

For further information regarding NELS, contact:

NELS COORDINATING AGENCY OFFICE

LANGKAIA 1

N-0150 OSLO NORWAY

Telephone: 47 2309 2476.

Fax: 47 2309 2391.

Internet: http://www.nels.org

The countries of Japan, the People’s Republic of China,

the Republic of Korea and the Russian Federation have

established an organization known as the Far East

Radionavigation Service (FERNS). Japan took over

operation of the former U.S. Coast Guard stations in its

territory and they are currently operated by the Japanese

Maritime Safety Agency (JMSA). In 1996, five chains

(Korea, North China Sea, East China Sea, South China

Sea, and Russian) became operational.

600C. Receivers

There are many types of LORAN-C receivers available.

Each type employs various techniques for acquiring and

tracking LORAN-C signals, and for indicating the time

difference or position information to the user. A

LORAN-C receiver which will be useful within the limits

of the Coast Guard’s coverage for the U.S., and which is

capable of measuring positions with the accuracy which is

advertised for LORAN-C, has the following

characteristics:

– It acquires the LORAN-C signals automatically, without

the use of an oscilloscope.

– It identifies master and secondary groundwave pulses

automatically.

– It tracks the signals automatically once they have been

acquired.

– It displays two time difference readings, to a precision of

at least one tenth of a microsecond, and/or latitude and

longitude.

– It has notch filters to minimize the effects of radio

frequency interference in the area of its operation.

– It automatically detects blink and alerts the operator.

Proper LORAN-C receiver installation is necessary to

ensure optimum results. Some of the essential elements of

good LORAN-C receiver installations are:

– Use of the correct antenna and antenna coupler. Mount

the antenna as high as possible and away from all metal

objects, stays, and other antennas. Do not connect any

other equipment to a LORAN-C antenna.

– Connect both the antenna coupler and the receiver to a

good ground. LORAN-C, operating at low frequency,

requires proper grounding.

– Electrical and electronic interference, or noise, can come

from many sources, both aboard the vessel as well as

from the surrounding environment. Onboard noise

comes from anything that generates or uses electricity; it

is a more severe problem at 100 kHz than at higher

frequencies, and it must be suppressed in order to have

good results from LORAN-C. Alternators, generators,

ignition systems, electrical motors, fluorescent lights,

radars, and television sets are examples of interfering

sources. Interference suppression may include

installation of filters, shields, grounds, and capacitors.

Interference suppression should be accomplished with

the vessel engine running.

– Protection of the LORAN-C receiver from excessive

heat, dampness, salt spray, and vibration must be

ensured. Do not mount the receiver in direct sunlight or

within one meter of your magnetic compass. Provide

adequate ventilation.

600D. Station List

LORAN-C stations, grouped geographically by chains,

are contained in the following list.
LONG RANGE NAVIGATIONAL AIDS

6 - 5

(1)

No.

(2)

Name

(3)

Type

(4)

Component

(5) Position(6)

Freq.

(7) Remarks

NORTH PACIFIC CHAIN

6100 St. Paul, AK 9990 (SS1). LORAN-C Master 57 09 12N 170 15 06W

Attu Is., AK 9990-X. Secondary 52 49 44N 173 10 50E

Port Clarence, AK 9990-Y. Secondary 65 14 40N 166 53 12W

Kodiak, AK 9990-Z. Secondary 57 26 20N 152 22 11W

RUSSIAN (CHAYKA)-AMERICAN CHAIN

6105 Petropavlovsk, Russia 5980. LORAN-C Master 53 07 48N 157 41 43E

Attu Is., AK 5980-X. Secondary 52 49 44N 173 10 50E

Alexandrovsk, Russia

5980-Y.

Secondary 51 04 43N 142 42 05E

RUSSIAN CHAIN

6110 Alexandrovsk, Russia 7950. LORAN-C Master 51 04 43N 142 42 05E

Petropavlovsk, Russia

7950-W.

Secondary 53 07 48N 157 41 43E

Ussuriysk, Russia 7950-X. Secondary 44 32 00N 131 38 23E

Tokachibuto, Hokkaido,

Japan 7950-Y.

Secondary 42 44 37N 143 43 10E

Okhotsk, Russia 7950-Z. Secondary 59 25 02N 143 05 23E

NORTHWEST PACIFIC CHAIN

6120 Nii Jima, Japan 8930 (SS3). LORAN-C Master 34 24 12N 139 16 19E

Gesashi, Okinawa, Japan

8930-W.

Secondary 26 36 25N 128 08 57E

Minami-tori Shima (Marcus

Island), Japan 8930-X.

Secondary 24 17 08N 153 58 54E

Tokachibuto, Hokkaido,

Japan 8930-Y.

Secondary 42 44 37N 143 43 10E

Pohang, South Korea 8930-Z. Secondary 36 11 05N 129 20 27E
LONG RANGE NAVIGATIONAL AIDS

6 - 6

KOREA CHAIN

6122 Pohang, South Korea 9930. LORAN-C Master 36 11 05N 129 20 27E

Kwangju, South Korea

9930-W.

Secondary 35 02 24N 126 32 27E

Gesashi, Okinawa, Japan

9930-X.

Secondary 26 36 25N 128 08 57E

Nii Jima, Japan 9930-Y. Secondary 34 24 12N 139 16 19E

Ussuriysk, Russia 9930-Z. Secondary 44 32 00N 131 38 23E

NORTH CHINA SEA CHAIN

6124 Rongcheng, China 7430. LORAN-C Master 37 03 52N 122 19 26E

Xuancheng, China 7430-X. Secondary 31 04 08N 118 53 10E

Helong, China 7430-Y. Secondary 42 43 12N 129 06 27E

EAST CHINA SEA CHAIN

6126 Xuancheng, China 8390. LORAN-C Master 31 04 08N 118 53 10E

Raoping, China 8390-X. Secondary 23 43 26N 116 53 45E

Rongcheng, China 8390-Y. Secondary 37 03 52N 122 19 26E

SOUTH CHINA SEA CHAIN

6128 Hexian, China 6780. LORAN-C Master 23 58 04N 111 43 10E

Raoping, China 6780-X. Secondary 23 43 26N 116 53 45E

Chongzuo, China 6780-Y. Secondary 22 32 35N 107 13 22E

GULF OF ALASKA CHAIN

6130 Tok, AK 7960 (SL4). LORAN-C Master 63 19 43N 142 48 31W

Kodiak, AK 7960-X. Secondary 57 26 20N 152 22 11W

Shoal Cove, AK 7960-Y. Secondary 55 26 21N 131 15 19W

Port Clarence, AK 7960-Z. Secondary 65 14 40N 166 53 12W

(1)

No.

(2)

Name

(3)

Type

(4)

Component

(5) Position(6)

Freq.

(7) Remarks
LONG RANGE NAVIGATIONAL AIDS

6 - 7

WEST COAST CANADA CHAIN

6140 Williams Lake, B.C., Canada

5990 (SH1).

LORAN-C Master 51 57 59N 122 22 02W

Shoal Cove, AK 5990-X. Secondary 55 26 21N 131 15 19W

George, WA 5990-Y. Secondary 47 03 48N 119 44 39W

Port Hardy, B.C., Canada

5990-Z.

Secondary 50 36 30N 127 21 28W

WEST COAST U.S. CHAIN

6150 Fallon, NV 9940 (SS6). LORAN-C Master 39 33 07N 118 49 56W

George, WA 9940-W. Secondary 47 03 48N 119 44 39W

Middletown, CA 9940-X. Secondary 38 46 57N 122 29 44W

Searchlight, NV 9940-Y. Secondary 35 19 18N 114 48 17W

EAST COAST CANADA CHAIN

6160 Caribou, ME 5930 (SH7). LORAN-C Master 46 48 27N 67 55 37W

Nantucket, MA 5930-X. Secondary 41 15 12N 69 58 39W

Cape Race, Nfld., Canada

5930-Y.

Secondary 46 46 32N 53 10 28W

Fox Harbor, Nfld., Canada

5930-Z.

Secondary 52 22 35N 55 42 28W

NEWFOUNDLAND EAST COAST CHAIN

6165 Comfort Cove, Nfld., Canada

7270.

LORAN-C Master 49 19 54N 54 51 43W

Cape Race, Nfld., Canada

7270-W.

Secondary 46 46 32N 53 10 28W

Fox Harbor, Nfld., Canada

7270-X.

Secondary 52 22 35N 55 42 28W

GREAT LAKES CHAIN

6170 Dana, IN 8970. LORAN-C Master 39 51 08N 87 29 12W

Malone, FL 8970-W. Secondary 30 59 39N 85 10 09W

Seneca, NY 8970-X. Secondary 42 42 51N 76 49 33W

Baudette, MN 8970-Y. Secondary 48 36 50N 94 33 18W

Boise City, OK 8970-Z. Secondary 36 30 21N 102 53 59W

(1)

No.

(2)

Name

(3)

Type

(4)

Component

(5) Position(6)

Freq.

(7) Remarks
LONG RANGE NAVIGATIONAL AIDS

6 - 8

NORTHEAST U.S. CHAIN

6180 Seneca, NY 9960 (SS4). LORAN-C Master 42 42 51N 76 49 33W

Caribou, ME 9960-W. Secondary 46 48 27N 67 55 37W

Nantucket, MA 9960-X. Secondary 41 15 12N 69 58 39W

Carolina Beach, NC 9960-Y. Secondary 34 03 46N 77 54 46W

Dana, IN 9960-Z. Secondary 39 51 08N 87 29 12W

SOUTHEAST U.S. CHAIN

6190 Malone, FL 7980 (SL2). LORAN-C Master 30 59 39N 85 10 09W

Grangeville, LA 7980-W. Secondary 30 43 33N 90 49 43W

Raymondville, TX 7980-X. Secondary 26 31 55N 97 50 00W

Jupiter, FL 7980-Y. Secondary 27 01 59N 80 06 53W

Carolina Beach, NC 7980-Z. Secondary 34 03 46N 77 54 46W

EJDE CHAIN

6205 Ejde, Faroe Is., Denmark

9007.

LORAN-C Master 62 17 59N 7 04 26W

Jan Mayen Is., Norway

9007-W.

Secondary 70 54 51N 8 43 56W

Bo, Norway 9007-X. Secondary 68 38 06N 14 27 47E

Vaerlandet, Norway 9007-Y. Secondary 61 17 49N 4 41 46E

BO CHAIN

6215 Bo, Norway 7001. LORAN-C Master 68 38 06N 14 27 47E

Jan Mayen Is., Norway

7001-X.

Secondary 70 54 51N 8 43 56W

Berlevag, Norway 7001-Y. Secondary 70 50 43N 29 12 15E

SYLT CHAIN

6220 Sylt, Germany 7499. LORAN-C Master 54 48 29N 8 17 36E

Lessay, France 7499-X. Secondary 49 08 55N 1 30 17W

Vaerlandet, Norway 7499-Y. Secondary 61 17 49N 4 41 46E

(1)

No.

(2)

Name

(3)

Type

(4)

Component

(5) Position(6)

Freq.

(7) Remarks
LONG RANGE NAVIGATIONAL AIDS

6 - 9

LESSAY CHAIN

6225 Lessay, France 6731. LORAN-C Master 49 08 55N 1 30 17W

Soustons, France 6731-X. Secondary 43 44 23N 1 22 49W

Sylt, Germany 6731-Z. Secondary 54 48 29N 8 17 36E

NORTH SAUDI ARABIAN CHAIN

6240 Afif, Saudi Arabia 8830. LORAN-C Master 23 48 37N 42 51 18E

Salwa, Saudi Arabia 8830-W. Secondary 24 50 02N 50 34 13E

Al Khamasin, Saudi Arabia

8830-X.

Secondary 20 28 02N 44 34 53E

Ash Shaykh Humayd, Saudi

Arabia 8830-Y.

Secondary 28 09 16N 34 45 41E

Al Muwassam, Saudi Arabia

8830-Z.

Secondary 16 25 56N 42 48 05E

INDIA (BOMBAY) CHAIN

6260 Dhrangadhara 6042. LORAN-C Master 23 00 14N 71 31 39E

Veraval 6042-W. Secondary 20 57 07N 70 20 13E

Billimora 6042-X. Secondary 20 45 40N 73 02 17E

INDIA (CALCUTTA) CHAIN

6270 Balasore 5543. LORAN-C Master 21 29 08N 86 55 18E

Patpur 5543-W. Secondary 20 26 48N 85 49 47E

Diamond Harbor 5543-X. Secondary 22 10 18N 88 12 25E

(1)

No.

(2)

Name

(3)

Type

(4)

Component

(5) Position(6)

Freq.

(7) Remarks
LONG RANGE NAVIGATIONAL AIDS

6 - 10

PART II SATELLITE NAVIGATION

610A. General

Satellite navigation presently consists of two global

systems. Each may be considered a refinement of celestial

navigation, using artificial earth-orbiting satellites to form

an electronic “constellation”, serviced by land-based

control and tracking stations, and passively “sighted” by

mobile receivers. Both systems provide precise, global,

and continuous position-fixing capabilities, in all weather,

to a properly equipped user.

The U.S. Air Force system is the NAVSTAR Global

Positioning System (GPS). GPS development began in

1973 and reached full operational capability in 1995. (The

U.S. Navy system, the Navy Navigation Satellite System

(NAVSAT, also known as Transit) became operational in

1964 and ceased operation as a positioning and timing

system on December 31, 1996. Users should recognize that

navigational equipment using the NAVSAT system should

no longer be used since any signals received will no longer

provide valid position or timing references.)

The Russian system is the Global Navigation Satellite

System (GLONASS). GLONASS became fully operational

in January 1996.

610B. GPS

GPS is a highly precise satellite-based radionavigation

system providing three-dimensional positioning, velocity,

and time information. GPS is an all-weather system with

continuous and worldwide coverage. GPS consists of three

segments: space, control, and user.

The Space Segment is composed of 24 operational

satellites in six orbital planes. The satellites operate in

circular 20,200 km (10,900 nm) orbits at an inclination

angle, relative to the equator, of 55 ̊ and with a 12-hour

period. The satellites are spaced in orbit so that at any time,

a minimum of six satellites are observable from any

position on earth, providing instantaneous position and

time information.

Each satellite transmits on two L band frequencies:

1575.42 MHz (L1) and 1227.6 MHz (L2). Three

pseudo-random noise (PRN) ranging codes are in use:

– The coarse/acquisition (C/A) code has a 1.023 MHz chip

rate, a period of one millisecond, and is used primarily to

acquire the P-code.

– The precise (P) code has a 10.23 MHz rate, a period of

seven days, and is the principal navigation ranging code.

– The Y-code is used in place of the P-code whenever the

anti-spoofing (A-S) mode of operation is activated.

L1 carries a P-code and a C/A-code. L2 carries the

P-code. A navigation data message is superimposed on the

codes. The same navigation data message is carried on

both frequencies. This message contains satellite

ephemeris data, atmospheric propagation correction data,

and satellite clock bias.

Selective Availability (SA), the denial of full accuracy, is

accomplished by manipulating the navigation message

orbit data (epsilon) and/or the satellite clock frequency

(dither). Anti-spoofing (A-S) guards against fake

transmissions of satellite data by encrypting the P-code to

form the Y-code.

The Control Segment consists of five monitor stations,

three of which have uplink capabilities, located in

Colorado, Hawaii, Kwajalein, Diego Garcia, and

Ascension Island. The monitor stations use a GPS receiver

to passively track all satellites in view, accumulating

ranging data from the satellites’ signals. The information

from the monitor stations is processed at the Master

Control Station (MCS), located in Colorado Springs,

Colorado, to determine satellite orbits and to update the

navigation message of each satellite. The updated

information is transmitted to the satellites via ground

antennas. The ground antennas, located at Kwajelein,

Diego Garcia, and Ascension Island, are also used for

transmitting and receiving satellite control information.

The User Segment consists of antennas and

receiver-processors that provide positioning, velocity, and

precise timing to the user. The GPS receiver makes

time-of-arrival measurements of the satellite signals to

obtain the distance between the user and the satellites. The

distance calculations, known as pseudoranges, together

with range rate information, are converted to yield system

time and the user’s three-dimensional position and velocity

with respect to the satellite system. A time coordination

factor then relates the satellite system to earth coordinates.

A minimum of four pseudoranges are needed to produce a

three-dimensional fix (latitude, longitude, and altitude).

GPS receivers compute fix information in terms of the

World Geodetic System (1984), which may need datum

shift correction before it can be accurately plotted on a

chart.

There are three different types of receivers. Sequential

receivers track only one satellite at a time, computing a fix

after a series of pseudoranges have been sequentially

measured; these receivers are inexpensive but slow.

Continuous receivers have at least four channels to process

information from several satellites simultaneously; these

process fix information the fastest. Multiplex receivers

switch at a fast rate from satellite to satellite, receiving and

processing data from several satellites simultaneously,

producing a fix by a sort of “round-robin” process.

GPS provides two levels of service for position

determination:

– The Standard Positioning Service (SPS) for general

public use. (Until 1 May 2000, the SPS signal accuracy

was intentionally degraded to protect U.S. national

security interests through the process of Selective

Availability.)

– The encoded Precise Positioning Service (PPS) primarily

intended for use by the Department of Defense.
LONG RANGE NAVIGATIONAL AIDS

6 - 11

Accuracy of a GPS fix varies with the capability of the

user equipment. SPS is the standard level of positioning

and timing accuracy that is available, without restrictions,

to any user on a continuous worldwide basis. SPS provides

positions with a horizontal accuracy of approximately 100

meters. (This accuracy specification includes the effects of

SA.) PPS provides full system accuracy to designated

users. Selective Availability was set to zero (ceased) as of

midnight (EDT) 1 May 2000. Users should experience a

GPS horizontal accuracy of 10-20 meters or better.

NOTE: The following information is provided for

informational purposes only and does not relieve any

existing domestic or international safety, operational, or

material requirement:

It has come to the attention of the U.S. Coast Guard and

Federal Communications Commission that certain

consumer electronics-grade active VHF/UHF marine

television antennas are causing operational degradation in

the performance of GPS receivers. This interference may

be realized as a display of inaccurate position information

or a complete loss of GPS receiver acquisition and

tracking ability.

The interference is not limited to the GPS equipment

onboard the vessel with the installed active marine

television antennae. There have been reports of

interference occurring on other vessels and installations

operating up to 2000 feet away from vessels using such

antennas.

In one particular case, the interference caused the

position of the vessel as displayed on the electronic chart to

move erratically and dramatically, often across large

expanses of land. Various data displays indicated

erroneous information such as excessive speeds. In these

instances the problem would occasionally correct itself

while at other times required resetting the system.

If you are experiencing recurring outages or degradation

of your GPS receiver you should perform an on-off test of

your TV antenna. If turning off the power to the antenna

results in improvement in the GPS receiver performance,

the antenna may be the source of interference in the GPS

band. In that case, you should contact the manufacturer of

the antenna and identify the symptoms. If the test is not

positive and the GPS interference persists, contact the

watchstander at the Coast Guard Navigation Information

Service at:

Telephone: (1) 703-313-5900.

E-mail: nisws@navcen.uscg.mil.

The following antennae models were indentified during

investigations of GPS interference:

– TDP (Tandy Distribution Products) Electronics - MINI

STATE Electronic Amplified UHF/VHF TV Antenna -

Models 5MS740, 5MS750, 5MS921

– Radio Shack Corporation - Long Range Amplified Omni

Directional TV Antenna - Model 15-1624

(For further information see:

http://support.radioshack.com/SUPPORT_VIDEO/DOC

68/68779.HTM)

– Shakespeare Corporation - SeaWatch - Models

2040/Code Date 02A00, 2050/Code Date 03A00 (Code

Dates are found on the antenna power supply.)

(For further information see:

http://www.shakespeare-marine.com/ANTENNAS/TV/S

AFETYALERT-TVANTENNAS.HTM

610C. DGPS

The U.S. Coast Guard Navigation Center operates the

Maritime Differential GPS (DGPS) Service and the

developing Nationwide DGPS (NDGPS) Service,

consisting of two control centers and over 60 remote

broadcast sites. The service broadcasts correction signals

on marine radiobeacon frequencies to improve the

accuracy of and integrity to GPS-derived positions. The

system is operated to International Telecommunications

Union (ITU) and Radio Technical Commission for

Maritime Services (RTCM) standards. More than forty

foreign maritime nations have implemented standard

DGPS services modeled after the U.S. Coast Guard’s

system to significantly enhance maritime safety in their

critical waterways.

The U.S. Coast Guard’s Maritime DGPS Service

provides 10-meter (2 dRMS) navigation accuracy in all

established coverage areas, integrity alarms for GPS and

DGPS out-of-tolerance conditions within 10 seconds of

detection, and an availability of 99.7% per month.

Typically the positional error of a DGPS position is 1 to 3

meters, greatly enhancing harbor entrance and approach

navigation. The system provides service for coastal

coverage (to a minimum range of 20 nm from shore) of the

continental U.S., the Great Lakes, Puerto Rico/U.S. Virgin

Islands, portions of Alaska and Hawaii, and a greater part

of the Mississippi River Basin.

DGPS reference stations determine range errors and

generate corrections for all GPS satellites in view. The

DGPS signals are broadcast, using existing Coast Guard

radiobeacons, on frequencies in the 285-325 kHz band.

Monitor stations independently verify the quality of the

DGPS broadcast.

The Maritime DGPS service achieved Full Operational

Capability (FOC) on 15 March 1999. The Coast Guard

advises that Coast Guard DGPS broadcasts should not be

used under any circumstances where a sudden system

failure or inaccuracy could constitute a safety hazard.

Users are further cautioned to use all available navigational

tools to ensure proper evaluation of positioning solutions.

The U.S. Department of Transportation is coordinating

the implementation of the Nationwide DGPS (NDGPS)

Service. NDGPS is an expansion of the Maritime DGPS

network and, when complete, this service will provide

uniform differential GPS coverage of the continental U.S.

and selected portions of Hawaii and Alaska regardless of

terrain, man made, and other surface obstructions. The

predictable accuracy of the NDGPS service within all

established coverage areas is specified 10 meters (2dRMS)

or better. Typical system performance is better than 1 meter

in the vicinity of the broadcast site. Achievable accuracy

degrades at an approximate rate of 1 meter for each 150 km
LONG RANGE NAVIGATIONAL AIDS

6 - 12

distance from the broadcast site. The service also provides

a GPS integrity monitoring capability; it gives an alarm to

users within 6 seconds of detecting a fault with the signal

from any GPS satellite in view. Availability, on a per site

per month basis, will be 99.9% for dual coverage areas and

99.7% for single coverage areas. The NDGPS Service will

achieve FOC when it provides dual coverage of the

continental U.S. and selected portions of Hawaii and

Alaska with single coverage elsewhere.

A complete list of all U.S. Coast Guard DGPS broadcast

sites is available from the Navigation Center. For further

information and/or operational questions regarding GPS or

DGPS, or to report GPS/DGPS service degradations,

outages, and other incidents or anomalies, contact:

COMMANDING OFFICER

U.S. COAST GUARD NAVIGATION CENTER

7323 TELEGRAPH ROAD

ALEXANDRIA VA 22315-3998

Telephone: (1) 703-313-5900.

Fax: (1) 703-313-5920.

The Navigation Information Service (NIS) is internet

accessible through the U.S. Coast Guard Navigation

Center Website at:

http://www.navcen.uscg.gov/

http://www.navcenter.org (Mirror site)

610D. GLONASS

The Russian Global Navigation Satellite System

(GLONASS), similar to GPS, is a space-based navigation

system that provides continuous, global, all-weather,

precise position, velocity and time information. The space

segment consists of 24 satellites in three orbital planes at

an altitude of 19,100 km. The satellites operate in circular

orbits with an inclination of 64.8 ̊ and a period of 11h 15m.

All satellites transmit simultaneously, using two carrier

frequencies in the L band, to allow users to correct for

ionospheric delays of the transmitted signals. However,

each satellite is allocated a particular frequency within the

band, determined by the frequency channel number of the

satellite. These different frequencies allow the user’s

receiver to identify the satellite. The L1 band ranges from

1602.5625 MHz to 1615.5 MHz in increments of 0.5625

MHz, while the L2 band ranges from 1246.4375 MHz to

1256.5 MHz in increments of 0.4375 MHz. Superimposed

to the carrier frequency, the GLONASS satellites modulate

their navigation message by using either or both a 5.11

MHz precision (P) code and/or and a 0.511 MHz

coarse/acquisition (C/A) code. The satellites also transmit

ephemeris data, an almanac of the entire constellation, and

correction parameters to the time scale. The coordinate

system of the GLONASS satellite orbits is defined by the

PZ-90 system, formerly the soviet Geodetic System

1985/1990.

The Coordinational Scientific Informational Center

(CSIC) of the Russian Space Forces provides official

information on GLONASS status and plans, information

and scientific method services to increase the efficiency of

GLONASS applications. For further information contact:

CSIC OF RUSSIAN SPACE FORCES

PO BOX 14

MOSCOW 117279

RUSSIA

Telephone: 7 095 333 72 00.

Fax: 7 095 333 81 33.

E-mail: sfcsic@space.ru.

Internet: http://www.glonass-center.ru/frame_e.html/
7 - 1

CHAPTER 7

AMVER

700A. Amver Participation Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3

700B. Communication Methods for Filing Amver Reports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3

700C. Special Warnings to Mariners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4

700D. Amver Voyage Report Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4

7 - 3

CHAPTER 7

AMVER

700A. Amver Participation Instructions

Amver is a worldwide voluntary vessel reporting system

operated by the U.S. Coast Guard to promote safety of life

and property at sea. Amver’s mission is to quickly provide

search and rescue (SAR) authorities, on demand, accurate

information on the position and characteristics of vessels

near a reported distress. Any merchant vessel on a voyage

of greater than 24 hours to anywhere on the globe is

welcome to participate in Amver. In general, international

participation is voluntary regardless of owner’s nationality

or vessel’s flag, voyage origin, or destination. However,

there are requirements for certain U.S. flag or U.S. interest

vessels.

According to U.S. Maritime Administration (MARAD)

regulations, the following vessels must report and regularly

update their voyages and positions to the Amver Center:

– United States flag merchant vessels of 1,000 gross tons

or more, operating in foreign commerce.

– Foreign flag vessels of 1,000 gross tons or more, for

which an Interim War Risk Insurance Binder has been

issued under the provisions of Title XII, Merchant

Marine Act, 1936.

In accordance with Title 47, Code of Federal Regulations

(CFR), Ch. 1, Sec 80.905, the following vessels must

participate in the Amver system while engaged on any

voyage where the vessel is navigated in the open sea for

more than 24 hours:

– United States vessels which transport more than six

passengers for hire, operated more than 200 nautical

miles from the nearest land.

Information voluntarily provided by vessels to Amver is

kept strictly confidential, and is protected by the Coast

Guard. It will be released only for safety purposes.

Amver’s greatest use is in providing SURface PICtures,

or SURPICs, to Rescue Coordination Centers (RCCs). A

SURPIC either lists latitude/longitude or provides a

graphical display of vessels near the position of a distress.

It is used by RCCs to coordinate the efforts of merchant

vessels and other resources to provide the best and most

timely assistance possible to distressed vessels or persons

at sea.

There are four types of Amver reports: Sailing Plan,

Position Report, Deviation Report, and Arrival Report.

NOTE: Departure Reports have been eliminated in favor of

the more common practice of filing a combined Sailing

Plan/Departure Report upon departure. This combined

report is now called simply a Sailing Plan and it should be

sent within a few hours before or after departure. The

information required for Position and Deviation Reports

has been increased to ensure enough information is

provided to keep Amver accurate. Also, an end-of-report

(Z line) line has been added to facilitate automatic

processing of Amver reports.

What and when to report to Amver:

– Sailing Plan, containing complete routing information,

should be sent within a few hours before, upon, or

within a few hours after departure.

– Position Report should be sent within 24 hours of

departure, and subsequently at least every 48 hours

until arrival. The destination should also be included in

Position Reports.

– Deviation Report should be sent as soon as any voyage

information changes which could affect Amver’s

ability to accurately predict the vessel’s position.

Changes in course or speed due to weather, ice, change

in destination, or any other deviations more than

25NM from the original Sailing Plan should be

reported as soon as possible.

– Arrival Report should be sent upon arrival at the port

of destination.

– At the discretion of the Master, reports may be sent

more frequently than the above schedule; for example,

in heavy weather or under other adverse conditions.

Amver also needs information that describes

communications equipment, Inmarsat numbers, radio

watch schedule, medical personnel on board, and so forth.

This information is collected separately, retained in the

automatic data processing system, periodically validated,

and used only for search and rescue purposes.

700B. Communication Methods for Filing Amver

Reports

The following methods are recommended for ships to

transmit Amver reports:

ELECTRONIC MAIL VIA THE INTERNET: If a ship

already has an inexpensive means of sending electronic

mail to an internet address, this is a preferred method.

Electronic mail may be sent via satellite or via HF radio,

depending on the ship’s equipment and arrangements with

communications providers ashore. Ships must be equipped

with a personal computer, an interface between the

computer and the ship’s communications equipment, and

the appropriate software. NOTE: The e-mail path on shore

to the Amver Center is essentially free, but the

communications service provider may still charge from

ship-to-shore. Amver Address: amvermsg@amver.org or

amvermsg@amver.com.

AMVER/SEAS “COMPRESSED MESSAGE”

(INMARSAT-C VIA TELENOR): Ships equipped with an

Inmarsat Standard C transceiver with floppy drive and

capability to transmit a binary file (ship’s GMDSS

Inmarsat-C transceiver can be used); an IBM-compatible

computer (not part of the ship’s GMDSS System) with

hard drive, 286 or better PC, VGA graphics; an interface

between them; and the Amver/SEAS software (available

free of charge from the U.S. National Oceanic and

Atmospheric Administration, NOAA), may send combined
AMVER

7 - 4

Amver/Weather observation messages free of charge via

Telenor Land Earth Stations at:

– 001 Atlantic Ocean Region-West (AORW)-Southbury.

– 101 Atlantic Ocean Region-East (AORE)-Southbury.

– 201 Pacific Ocean Region (POR)-Santa Paula.

– 321 Indian Ocean Region (IOR)-Aussaguel.

7.0Amver Address: NOAA phone number entered in the

“addressbook” (for further information on how to find the

NOAA phone number and to correctly setup the

addressbook, see the instruction sheet for your specific

brand of Inmarsat-C transceiver).

Amver/SEAS software can be downloaded from the

NOAA SEAS Website at:

http://seas.amverseas.noaa.gov/seas/

or requested from:

TELENOR SATELLITE SERVICES, INC.

1101 WOOTTON PARKWAY

ROCKVILLE MD 20852

Telephone: (01) 301-838-7800 or 1-800-685-7898.

E-mail: customer.care@telenor.com.

HF RADIOTELEX: Amver reports may be filed via the

HF radiotelex service of U.S. Coast Guard

Communications Stations. Further information on how to

send Amver messages by this method is provided in

Chapter 4, Appendix B (see COAST GUARD (HF

RADIOTELEX)), or at the U.S. Coast Guard Navigation

Center Website:

http://www.navcen.uscg.gov/marcomms/high_frequency/c

all.htm

HF RADIO: Amver reports may also be filed by HF

radio at no cost via U.S. Coast Guard contractual

agreement with the following ShipCom Radio Network

public coast stations (see Chapter 4, Appendix B, for

complete frequency listing):

– Mobile Marine Radio (WLO)

– Mobile (WCL)

– Marina del Ray (KNN)

– Seattle (KLB)

Internet: http://www.wloradio.com or

http://www.shipcom.com

TELEX: Amver reports may be filed via telex using

either satellite (code 43) or HF radio. Ships must pay the

tariffs for satellite communications. Telex is a preferred

method when less costly methods are not available. Amver

Address: (0) (230) 127594 AMVER NYK.

TELEFAX: In the event other communications media

are unavailable or inaccessible, Amver reports may be

faxed directly to the Amver Computer Center. However,

this is the least desirable method of communications, since

it involves manual input of information to the computer

vice electronic processing. NOTE: Do not fax reports to

the Amver Maritime Relations Office in New York, since it

is not staffed 24 X 7, and relay and processing of reports is

delayed pending normal (Mon.-Fri.) business hours. The

telefacsimile phone number to the U.S. Coast Guard

Operations Systems Center in Martinsburg, West Virginia

is (01) 304-264-2505.

The following method is discouraged:

CW (MORSE CODE): Due to the decline in its usage,

the number of coast stations supporting it, its high cost,

potential for error, and the mandatory carriage of upgraded

GMDSS communications capabilities, ships are

discouraged from using this medium.

For more information regarding Amver reporting, visit

the Amver Website at http://www.amver.com or contact:

Mr. Rick Kenney

AMVER MARITIME RELATIONS OFFICE

USCG BATTERY PARK BUILDING

1 SOUTH STREET

NEW YORK NY 10004-1499

Telephone: (1) 212-668-7762.

Fax: (1) 212-668-7684.

E-mail: RKenney@BatteryNY.uscg.mil.

700C. Special Warnings to Mariners

Special Warnings reflect U.S. Government policy on

international incidents with political ramifications. The

content of such Special Warnings is the responsibility of

the Department of State and National

Geospatial-Intelligence Agency (NGA). NGA is the

disseminating agency for such messages since its Radio

Navigational Warning Broadcast System can be received

by all U.S. flag merchant ships.

United States flag vessels in an affected area are required

to acknowledge receipt of a Special Warning through the

use of the Remarks line (X line) in their next regular

Amver report. For the purpose of this requirement, all

vessels are deemed to be in an affected area if within 500

miles or 1 day’s steaming of a reported incident.

700D. Amver Voyage Report Types

There are four types of Amver Reports: Sailing Plan,

Position, Deviation, and Arrival Reports.

REPORTING FORMAT: Each Amver message consists

of report lines. There are 15 types of lines. The first line in

every report begins with the word “AMVER” followed by

a slash (/), a two letter code identifying the report type, and

ends with a double slash (//). Each remaining line begins

with a specific letter followed by a slash (/) to identify the

line type. The remainder of each line contains one or more

data fields separated by single slashes (/). Each line ends

with a double slash (//). All reports should end with an

end-of-report line (Z line).

REPORTING DATA: Amver participants need to be

familiar with the four types of reports. Report identifiers

are as follows:

AMVER/SP// denotes Sailing Plan.

AMVER/PR// denotes Position Report.

AMVER/DR// denotes Deviation Report.

AMVER/FR// denotes Arrival Report.
AMVER

7 - 5

An example and explanation of each of the four types of

the Amver reports follows. Numbers in parentheses refer to

footnotes at the end of the section.

SAILING PLAN: A Sailing Plan should be sent within a

few hours before, upon, or within a few hours after

departure. It must include enough information to predict

the vessel’s actual position within 25 nautical miles at any

time during the voyage, assuming the Sailing Plan is

followed exactly. The L lines are used to report route

information. These lines are the most complex lines in an

Amver report but they are critical to Amver’s success.

Complete route information should be provided in all

Sailing Plans and also in Deviation Reports when the

vessel’s route or destination changes.

Example:

AMVER/SP//

A/SANDY JOAN/ABCD//

B/110935Z//

E/145//

F/126//

G/NOVOROSSIYSK/4470N/03780E//

I/GIBRALTAR/3600N/00600W/140730Z//

L/RL/140/4130N/02910E/112000Z//

L/RL/140/4010N/02620E/112300Z//

L/RL/140/3630N/02330E/120300Z//

L/RL/140/3650N/01520E/121500Z//

L/RL/140/3760N/01000E/130100Z//

L/RL/060//

M/GKA/GKM//

V/MD/NURSE//

X/NEXT REPORT 120900Z//

X/SITOR INSTALLED. SELCALL NUMBER IS 99999//

Y/MAREP//

Z/EOR//

Explanation:

Required items:

AMVER line/SP//

line A/vessel name/International Radio Call Sign//

line B/time//(1)

line E/current course//(5)

line F/estimated average speed//(6)

line G/port of departure/latitude/longitude//(2) (3)

line I/destination/latitude/longitude/ estimated time

of arrival//(1)(2)(3)

line L/route information //(1)(3)(4)

line Y/relay instructions//(9)

line Z/end of report//(10)

Optional items:

line M/current coastal radio station or satellite

number/next coastal radio station, if any//

line V/onboard medical resources//(7)

line X/up to 65 characters of amplifying

comments//(8)

POSITION REPORT: A Position Report should be sent

within 24 hours of departing port and at least once every 48

hours thereafter. The destination should be included, at

least in the first few reports, in case Amver has not

received the Sailing Plan information.

Example:

AMVER/PR//

A/SANDY JOAN/ABCD//

B/120300Z//

C/3630N/02330E//

E/145//

F/126//

I/GIBRALTAR/3600N/00600W/140730Z//

M/GKM//

X/NEXT REPORT 131800Z//

Y/MAREP//

Z/EOR//

Explanation:

Required items:

AMVER line/PR//

line A/vessel name/International Radio Call Sign//

line B/time of position//(1)

line C/latitude/longitude//(2)(3)

line E/current course//(5)

line F/estimated average speed//(6)

line Y/relay instructions//(9)

line Z/end of report//(10)

Recommended items:

line I/destination/latitude/longitude/ estimated time

of arrival//(1)(2)(3)

Optional items:

line M/current coastal radio station or satellite

number/next coastal radio station, if any//

line X/up to 65 characters of amplifying comments//

(8)(9)

DEVIATION REPORT: Deviation Reports should be

sent whenever the vessel deviates significantly (more than

25NM) from its Sailing Plan. Other situations in which

Deviation Reports should be sent include, but are not

limited to: Change in destination, diverting to evacuate a

sick or injured crewmember, diverting to avoid heavy

weather, any change of route (as, for example, change

based on recommendations from a vessel routing service),

stopping to make repairs or await orders, change in

anticipated average speed of one knot or more, etc.

Example:

AMVER/DR//

A/SANDY JOAN/ABCD//

B/120600Z//

C/3600N/02245E//

E/095//

F/220//

I/NEW YORK US/4040N/07380W/180800Z//

L/GC/220//

M/GKA/WSL/NMN//

X/DIVERTING BEST SPEED TO NEW YORK//

Y/MAREP//

Z/EOR//
AMVER

7 - 6

Explanation

Required items:

AMVER line/DR//

line A/vessel name/International Radio Call

Sign//

line B/time of position//(1)

line C/latitude/longitude//(2)(3)

line E/current course//(5)

line F/estimated average speed//(6)

line Y/relay instructions//(9)

line Z/end of report//(10)

Required items if destination or route changes:

line I/destination/latitude/longitude/ estimated

time of arrival//(1)(2)(3)

line L/route information//(4)

Recommended items (in cases when not required):

line I/destination/latitude/longitude/ estimated

time of arrival//(1)(2)(3)

Optional items:

line M/current coastal radio station or satellite

number/next coastal radio station, if any//

line X/up to 65 characters of amplifying

comments//(8)

ARRIVAL REPORT: Arrival Reports should be sent

upon arrival in the immediate vicinity of the destination

port, such as at the sea buoy or pilot station. This report

properly terminates the voyage in Amver’s computer and

ensures the vessel will not appear on an Amver SURPIC

until its next voyage.

Example:

AMVER/FR//

A/SANDY JOAN/ABCD//

K/NEW YORK/4040N/07380W/180830Z//

X/PROBLEMS WITH MF XMTR. AGENT ADVISED//

Y/MAREP//

Z/EOR//

Explanation:

Required items:

AMVER line/FR//

line A/vessel name/International Radio Call Sign//

line K/port name/latitude/longitude/time of arrival//

(1)(2)(3)

line Y/relay instructions//(9)

line Z/end of report//(10)

Optional items:

line X/up to 65 characters of amplifying comments//

(8)

Footnotes:

(1) Indicates the time associated with the position given in

the C and G lines of the report. All times must be

expressed as a six-digit group giving date of month

(first two digits), hours and minutes (last four digits).

Only Universal Coordinated Time (i.e., Greenwich

mean time) is to be used. The six-digit date-time-group

is to be followed by either Z, GMT or UTC. The month

is optional. If addition of the month is deemed

appropriate, the first three letters of the English

language month are used. The following examples are

acceptable:

B/290900Z//

B/290900Z DEC//

B/290900GMT//

B/290900UTC//

(2) Both port name and geographic position are required

from U.S. flag vessels.

(3) Latitude is a four-digit group expressed in degrees and

minutes, suffixed with N for north or S for south.

Longitude is a five-digit group expressed in degrees

and minutes, and suffixed with E for east or W for

west. For example:

 G/4000N/03500W//.

(4) The L lines contain most of the sailing plan

information. As many L lines as needed may be used

to describe the vessel’s intended route. Detailed route

information caused by maneuvering over short

distances near coasts should not be included. An

approximate route using fewer turn points and the

“coastal” navigation method should be provided.

However, enough turn points should be provided to

keep Amver’s plot of the vessel’s position within 25

nautical miles of the vessel’s true position. All L lines

except the last one in the report require the following

information: /navigation method/leg

speed/latitude/longitude/port or landmark

name/ETA/estimated time of departure. For example:

L/RL/125/0258N/07710W/ABACO/111200Z//.

L/RL/125/0251N/07910W/NWPROVCHAN/11214

5Z//.

L/RL/125/0248N/08020W/120255Z//.

L/RL/125//.

The navigation method is required. There are three

types of navigation methods recognized by Amver:

Rhumb Line (RL), Great Circle (GC) and Coastal

(COASTAL).

Leg speed is useful, but is not required. See footnote

(6).

Latitude/longitude are required. See footnote (3).

Port or landmark name is useful, but is not required.

ETA is required. See footnote (1).

ETD is required if the ship will layover at an

intermediate point. See footnote (1).

A final navigation method is required to route the

ship to its destination.

Final leg speed is useful, but not required.

(5) True course is a three-digit group.

(6) Speed is a three-digit group in knots and tenths of

knots. For example, 20.5 knots would be expressed as

205, without a decimal point.

(7) If the optional V line is used, one or more of the

following is required:

/MD/ for medical doctor or physician.

/PA/ for physician’s assistant or paramedic.

/NURSE/ for trained nurse.

/NONE/.

For example:

7.0V/MD/NURSE//
AMVER

7 - 7

It is important to accurately report a vessel’s medical

resources EVERY VOYAGE. Medically trained

personnel are very scarce on the high seas and this

makes them extremely valuable in cases where a

member of a vessel’s crew becomes ill or injured.

(8) Any information provided in the remarks line will be

stored in Amver’s automatic data processing system

for later review. However, no particular action will be

taken, nor will the information be routinely passed to

other organizations. The remarks line cannot be used

as a substitute for sending information to other

search-and-rescue authorities or organizations.

However, Amver will, at the request of other SAR

authorities, forward remarks line information to the

requesting agencies.

Changes in vessel data: When a vessel changes name,

flag, owners, etc., it is important to include the number

assigned the ship in Lloyds Register of Shipping to

ensure the Amver database is kept current.

(9) The Y line is used to request relay of the Amver report

to certain other reporting systems. In accordance with

Title 46 CFR, all U.S. flag merchant vessels and

certain other vessels are REQUIRED to report their

positions to MARAD via participation in the Amver

system. Such vessels must include the keyword

“MAREP” in the Y line of every Amver report.

Presently, Amver and the Japanese Regional

Reporting System (JASREP) cooperate with each

other by accepting and complying with relay requests.

For example:

Y/MAREP//

Y/JASREP//

Y/JASREP/MAREP//

Y/AMVER//

Y/AMVER/MAREP//

(10) EOR (End of Report) must be the last line in every

Amver report as it is used by the Amver computer to

signal the end of the report.

For example:

Z/EOR//

8 - 1

CHAPTER 8

COMMUNICATION INSTRUCTIONS FOR U.S. MERCHANT SHIPS

Chapter 8 sets forth instructions and procedures for U.S. merchant vessels to establish communucations in order to receive

and send information to/from the Homeland Defense (HLD) organization, Naval Cooperation and Guidance for Shipping

(NCAGS), during normal operations or times of crisis.

PART I U.S. NAVAL COOPERATION AND GUIDANCE FOR SHIPPING (NCAGS)

800A. General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3

800B. History of NCAGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3

800C. NCAGS Organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3

800D. Questions and Comments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4

PART II COORDINATION WITH NCAGS

810A. General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6

810B. Elements of the NCAGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6

PART III COMMUNICATIONS WITH NCAGS

820A. General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7

820B. Methods of Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7

820C. Forms and Message Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7

PART IV CONTAMINATION PREDICTION SYSTEM FOR MERCHANT SHIPS AT SEA

AND THE MERWARN SYSTEM

830A. Significance of NBC Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9

830B. The MERWARN System, Warnings to Merchant Ships at Sea . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9

830C. MERWARN Originating and Diversion Authorities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9

830D. Precedence of NBC Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9

830E. Method of Promulgation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9

830F. Relay Responsibilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9

830G. Danger Zones. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9

830H. MERWARN NBC EDM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9

830I. MERWARN NBC 3 NUC, Standard Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10

830J. MERWARN NBC 3 NUC, Plain Language Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10

830K. MERWARN NBC CDM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10

830L. MERWARN NBC 3 CHEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-11

830M. MERWARN DIVERSION ORDER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-11

830N. Other Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-11

830O. Ground Zero. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-11

830P. Effective Downwind Direction and Downwind Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12

830Q. Fallout Pattern Criteria . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12

830R. Fallout Plotting in Merchant Ships . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12

830S. Plotting from MERWARN NBC 3 NUC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12

830T. Contamination Plotting in Merchant Ships . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-13

APPENDIX A Instruction to Masters in an Emergency on Defense Against Nuclear Fallout. . . . . . . . . . . . . . . . . . 8-15

8 - 3

CHAPTER 8

COMMUNICATION INSTRUCTIONS FOR U.S. MERCHANT SHIPS

CHAPTER 8 SETS FORTH INSTRUCTIONS AND PROCEDURES FOR U.S. MERCHANT VESSELS TO ESTABLISH COMMUNUCATIONS IN ORDER TO RECEIVE AND SEND INFORMATION TO/FROM THE HOMELAND DEFENSE (HLD) ORGANIZATION, NAVAL COOPERATION AND GUIDANCE FOR SHIPPING (NCAGS), DURING NORMAL OPERATIONS OR TIMES OF CRISIS.

.

PART I U.S. NAVAL COOPERATION AND GUIDANCE FOR SHIPPING (NCAGS)

800A. General

The purpose of this section is to provide guidance to ship

owners, operators, Masters, and officers on the

arrangements for Naval Cooperation and Guidance for

Shipping (NCAGS) in order to enhance the safety of

merchant ships and to support military operations. It

provides information on the provision of NCAGS support.

In periods of crisis, conflict, national emergency or war,

naval authorities may direct the movement of merchant

ships (including routing and diversion) so that they may be

better protected from hostilities and not interfere with

possible active Naval and/or Joint Military Operations. The

NCAGS organization is the principal U.S. resource to carry

out this function. The purpose of NCAGS is to ensure the

efficient management and safe passage of merchant ships.

This mission primarily involves:

– the establishment of an organization and framework for

communicating directions, advisories, concerns, and/or

information among operational forces, merchant

shipping, and maritime organizations;

– the deconfliction of merchant vessel sailings/operations,

for safety to preclude interference with naval activities;

– and making recommendations to the theater/ operational

commander on the extent and type of protection that may

be provided to merchant shipping.

800B. History of NCAGS

NCAGS was formerly known as NCAPS (Naval

Coordination and Protection of Shipping). NCAPS was

originally established to meet a Cold War-era national need

to protect merchant shipping against a global open ocean

threat. NCAPS policy included escorting and routing of

large convoys of merchant shipping.

The threat to merchant shipping has changed and so has

the Naval Control of Shipping (NCS) mission. The primary

threat to U.S. merchant vessels is no longer considered to

be traditional naval vessels under the flag of a known

enemy; instead, the threat is terrorism. The NCAGS

mission is to provide U.S. military commanders the

information necessary to provide Maritime Domain

Awareness (MDA). The goal of MDA is to assist in

Homeland Defense (HLD) by maintaining as much

real-time information as possible regarding merchant

shipping, such as positions, destinations, cargo, etc. As a

result, the NCAGS organization can provide U.S. and

allied merchant vessels the information needed to help

prevent terrorist attacks at sea or inport.

800C. NCAGS Organization

NCAGS doctrine has evolved with the changing threat

posed both on merchant shipping and by merchant

shipping in the context of regional operations and maritime

HLD. The NCAGS organization addresses both the

traditional protection and control of shipping in a region

and the emerging requirement of maritime HLD, where

merchant shipping may be either the protagonist, or target,

requiring the establishment of communications to increase

maritime situational awareness of merchant shipping.

NCAGS doctrine applies to maritime HLD, contingency

support, and general economic shipping.

Types of contingency support shipping include naval

vessels of the Military Sealift Command (MSC), shipping

operated or chartered by the U.S. Government to support

naval operations or to meet U.S. policy objectives, crisis

response shipping, and relief shipping chartered by

government agencies.

Types of economic shipping include vessels engaged in

normal commercial trade worldwide, regardless of flag or

ownership, or such other shipping that is not under the

control or direction of the U.S. Government.

Specific to maritime HLD operations in the United

States Northern Command (USNORTHCOM) Area of

Responsibility (AOR), a new organization was developed

in an effort to execute the required mission to improve

maritime HLD and to support the USCG as the lead federal

agency for maritime Homeland Security (HLS). As an

element of the Joint Force Maritime Component

Commander (JFMCC), the NCAGS organization provides

direct support to USNORTHCOM’s mission of conducting

operations to deter, prevent, and defeat maritime threats

and aggression. NCAGS works jointly with the United

States Coast Guard (USCG). The NCAGS organization

consists of Shipping Coordination Centers (SCCs)

geographically positioned to assist in improving merchant

shipping coordination and providing positional

information of merchant vessels operating in the

USNORTHCOM AOR. The SCCs are the first step in

creating a global merchant vessel tracking capability for

the maritime domain.
COMMUNICATION INSTRUCTIONS FOR U.S. MERCHANT SHIPS

8 - 4

800D. Questions and Comments

Ship’s Officers, ship owners, and operators are

encouraged to submit questions and comments on

procedures outlined in this chapter to:

U.S. FLEET FORCES COMMAND

MR. ERIC SHAFFER N35

1562 MITSCHER AVENUE SUITE 250

NORFOLK VA 23551-2487
COMMUNICATION INSTRUCTIONS FOR U.S. MERCHANT SHIPS

8 - 5

THE WORLD WITH U.S. COMMANDERS’ AREAS OF RESPONSIBILITY
PART II COORDINATION WITH NCAGS

810A. General

The primary organization responsible for executing the

NCAGS mission is the Shipping Coordination Center

(SCC). A SCC bridges the gap between military leaders

responsible for HLD and U.S. merchant shipping. NCAGS

support provided by the SCC includes military

cooperation, guidance, advice, assistance, and supervision

to merchant shipping to enhance the safety of U.S. and

allied merchant ships and to support military operations by

maintaining awareness of merchant shipping positions

around the U.S. The purpose of NCAGS is to make use of

cooperation between military and civil maritime

authorities and agencies and the commercial shipping

industry in order to facilitate an uninterrupted flow of

maritime commerce in periods of peace and conflict and

simultaneously minimize disruption to military operations.

The cooperation and frequent exchange of information

achieve this goal. An accurate assessment of the merchant

shipping picture is critical to the accomplishment of this

goal. Masters will be asked to provide basic information

concerning their ship, cargo, and voyage details. In times

of increased tension or conflict, additional information

may be requested. The response of Masters to information

requests is one of the most important aspects of NCAGS.

The commercial sensitivity of the information supplied by

the merchant shipping community will be respected and

protected.

The NCAGS organization will in turn ensure that

appropriate military authorities are advised of these details

for monitoring during the voyage. If deemed necessary,

they will provide the merchant Master with up-to-date

information concerning the situation and specific

information on the voyage. This information can range

from basic situation briefs to the provision of routes, lead

through, or escort. Safe passage responsibility remains

with the Master.

The principal benefits of NCAGS to merchant shipping

include:

– Improved safety and security.

– Minimized disruptions to passages through areas where

military operations are being conducted.

– Quicker reaction to terrorism.

– A better understanding of military constraints.

– Minimized disruption to commercial schedules.

The principal benefits of NCAGS to the military

commander include:

– A more comprehensive picture of merchant activity and

positions of merchant ships.

– Deconfliction of merchant ships in military operations.

– Enhanced safety and security of merchant ships.

– Improved effectiveness of military operations.

– A better understanding of commercial constraints.

810B. Elements of the NCAGS

The NCAGS is flexible in order to meet the needs of the

military commander and merchant shipping. It may

comprise some or all of the following elements tailored to

suit the situation depending on the level of NCAGS

support required.

– Shipping Coordination Center (SCC): The SCC is a

permanent organization, tasked with establishing and

maintaining links with the military, merchant shipping,

HLD and HLS agencies, such as the USCG. The SCC

will:

– Provide MDA by maintaining a merchant shipping

plot of the assigned AOR.

– Generate Notice to Mariners (NOTMARs) as

necessary regarding acts of terrorism or military

operations.

– Advise civil maritime authorities, via Maritime

Administration (MARAD), of general shipping risks

in the area.

– Establish Shipping Risk Areas (SRAs) and

recommend routing of shipping.

– Shipping Coordination Team (SCT): The SCT is an

expeditionary team that can be deployed to a specific

region to gather information on local merchant shipping

and naval operations and will provide the means to brief

merchant shipping on risks, routing, and organization for

protection. The SCT will, depending on the level of an

operation, encompass coordination and guidance to local

military commanders and merchant Masters. The

location of SCTs can be ashore or afloat. The SCT liaises

with local and regional authorities including port

authorities, shipping agents, and local shipping

companies and reports ship movements to local military

commanders to help deconflict military operations with

merchant shipping.

– NCAGS Liaison Officer (LNO): An officer deployed

aboard a merchant ship to provide liaison between the

merchant ship Master and military authorities. The LNO

is the naval advisor to the merchant Master. His position

on board does not affect the Master’s responsibilities for

the safe navigation and safe handling of the ship. The

LNO makes military knowledge available to the Master

to allow the Master to understand the naval and military

requirements that are applicable.

– Shipping Risk Area (SRA): When necessary, a SRA may

be recommended by a SCC or SCT. A SRA is a

geographically defined portion of the NCAGS area

where an elevated risk to merchant shipping exists. Risks

can include potentially hostile acts, navigational

restrictions that require an elevated closer management

of shipping traffic, or naval forces operations that may

conflict with routine safe passage. More than one SRA

can be established within an NCAGS area. SRAs are

established by the local military commander.
COMMUNICATION INSTRUCTIONS FOR U.S. MERCHANT SHIPS

8 - 7

PART III COMMUNICATIONS WITH NCAGS

820A. General

The role of NCAGS in keeping the seas safe and

providing the essential framework needed to allow

commercial and military shipping to operate together in a

crisis is dependent on effective communications with

merchant shipping at sea or inport. The SCC or SCT will

exchange data at the unclassified level with merchant

shipping authorities and with elements of the NCAGS

organization. This part provides guidance to Masters who

may need to communicate with military forces.

Communications with merchant ships by the military are

accomplished via the Global Maritime Distress and Safety

System (GMDSS) and other commercial means. Under

normal circumstances, ships working with NCAGS will

maintain their normal peacetime communications.

However, if the situation so dictates, they may be required

to maintain additional communications methods.

820B. Methods of Communication

GMDSS: Every effort is made by the NCAGS

organization to provide communications for merchant

vessels to either the SCC or SCT so that ships can

communicate easily and regularly with them using

Inmarsat-C. Generally telex, fax, email, and voice, when

available, are used as the primary means for the NCAGS

organization to contact ships either through owners,

directly to the ships if this has been made available, or via

commercial organizations who specialize in passing

messages.

Navigational Warnings (NAVWARNs)/Notice to

Mariners (NOTMARs): The military authorities will pass

safety information for the NCAGS AOR, promulgated by

broadcast methods, via NAVWARNs, NOTMARs, and

MARAD Advisories. These warnings will describe

possible military operations in an AOR. Notices will

include toll free telephone numbers a merchant Master or

agent can call to obtain real-time information regarding an

ongoing crisis or military operation.

Military Points of Contact: A SCC, SCT, or NCAGS

LNO can provide merchant shipping with their main

means of communications in an elevated risk situation via

GMDSS, NAVWARNs/NOTMARs, or embarked LNO.

Communication Reporting Gate (CRG): In an AOR,

there is a good possibility that your ship will be called, or

challenged, by naval vessels or military aircraft on the

VHF calling frequency. To allow merchant ships to contact

naval vessels in the AOR, information will be distributed

directly to the Master via LNO, naval vessels in the local

area, or local advisory notices by various means including,

but not limited to, NOTMARs, e-mail, or websites.

However, naval units can normally be contacted through

standard calling VHF frequencies.

CRG is established to provide a position/line for

merchant ships to call NCAGS in order to establish initial

contact or to update previous information. A CRG should

be positioned in such a way that a minimum notice period

of 36 hours is available to merchant ships to contact their

owners/operators for onward passage instructions before

reaching the AOR. The CRG will normally be represented

as lines of latitude or longitude that encompasses the area

concerned.

Ships will be notified of the CRG details for the AOR

and the reporting requirements will be promulgated to

merchant ships through a variety of means, such as by the

SCC, SCT advisory notices, or NAVWARNs. Instructions

will normally contain details of the information required,

the occasions of reporting, and to whom the report is to be

sent. Ships will be asked to forward a Format Alfa before

arriving at the CRG.

820C. Forms and Message Formats

(Ref: ATP-2, Vol. II)

Format Alfa: Format Alfa is the principal means by

which merchant ship data is collected for use by the

NCAGS. The Format Alfa will be requested to be

forwarded at least 24 hours prior to entering the area of

operations and then, if possible, every 6 hours until exiting

the area of operations. The form is divided into four

sections:

– Section A covers basic details of the vessel.

– Section B covers details of the current voyage.

– Section C covers details of the ship’s operator.

– Section D covers cargo data.

NOTE: Date and Time should be entered either by the

date followed by a four digit time (18.Oct 97 21.00 UTC)

or a Date-time Group (DTG). The military method of

expressing date and time is contained within the DTG and

is written in the following manner:

DDHHMMZ MON YY

therefore, the DTG 182100Z JUL 98 describes a time of

21:00 (GMT/UTC) on the 18 July 1998. Military units

routinely describe GMT/UTC as time zone “Zulu”

abbreviated to “Z.”

– Section A - Ship Data:

(1) Ship’s name.

(2) International callsign.

(3) Type of vessel.

(4) Flag of registry.

(5) IMO number.

(6) Port of registry.

(7) Overall length.

(8) Vessel’s width.

(9) Maximum draft for present voyage.

(10) Vessel’s gross tonnage.

(11) Speed:

(a) Service speed.

(b) Maximum speed.
COMMUNICATION INSTRUCTIONS FOR U.S. MERCHANT SHIPS

8 - 8

(c) Minimum speed.

(12) Significant appearance of vessel for optical

recognition.

(13) Inmarsat/DSC number.

(14) Name of communication station being copied.

(15) State whether pocket-sized automatic crypto

equipment (PACE) and keying material is held.

(16) Fax number.

(17) Email address or telex number.

(18) Other communication means.

– Section B - Voyage Data:

(19) Intended movement - description of passage.

(20) Last port/country of call including actual date and

time of departure from last port.

(21) Next port of call, including ETA at next port of call.

(22) Current position.

(23) Date/time and position entering the region.

(a - x) Waypoints of intended track through AOR

(date/time - latitudes/longitudes).

(24) Position and date/time of departing the region.

– Section C - Operator Data:

(25) Name of ship owner/operator including address of

ship owner, name of charterer (if any), and address of

operator/charterer.

(26) Flag of ship operator.

(27) Email address of the above.

(28) Telephone number of above.

(29) Fax number of above.

– Section D - Cargo Data:

(30) Quantity and nature of main/relevant cargo.

(31) Shippers of main/relevant cargo (name and

address).

(32) Origin of main/relevant cargo.

(33) Consignee of main/relevant cargo.

(34) Final destination of main/relevant cargo.

(35) Special queries appropriate to current operation

such as “State if any cargo/person is carried being

subject to UN sanctions, by YES or NO (if the answer to

the query is YES, then describe on a separate sheet).”

Ship Data Cards: Ship Data Cards are amplifications of

the information provided by the merchant ship on the

Format Alfa that is used to facilitate cooperation between

merchant ships and military assets. Masters will be asked

to supply only information that is not available from other

open sources, such as agents and the Internet.

Sailing Instructions (SI): SI are issued to all ships

transiting a SRA and any other ships requiring specific

guidance. The issue of a SI indicates that the Master has

accepted the routing guidance contained within the SI.

NCAGS will monitor the ship’s passage and divert the ship

if the threat or risk changes and a diversion message will

be sent to the Master.

Diversion Order: A message from NCAGS ordering a

diversion from the existing route for any reason. The first

words of the text will be the identifier “DIVERSION

ORDER” followed by:

(1) The reason for diversion.

(2) The position or time at which the diversion is to take

place.

(3) New positions through which ships are to pass. Each

position is to be preceded by its two letter designator.

(4) The immediate destination and amended ETA.

Example:

DIVERSION ORDER

(1) Acts of terrorism in your vicinity.

(2) Divert at position AB.

(3) Pass through new positions BL 4245N04800W, BM

4230N05500W, then to original position AE and original

track.

(4) Amended ETA Baltimore 160800Z Jan.

Passage Amendment: This message is to be sent by a

ship to report passage amendments involving changes in

destination or differences of greater than 6 hours variance

from the original passage plan intentions reported by

Format Alfa. The message will be addressed to the original

addressee of the Format Alfa. The first words of the text

will be the identifier “FORMAT ALFA PASSAGE

AMENDMENT” followed by:

(1) The international call sign, IMO number, and name of

the ship.

(2) Position at . . . . . .

(3) Great circle or rhumb line track and speed.

(4) Name of next port of call.

(5) ETA at next port of call.

Example:

FORMAT ALFA PASSAGE AMENDMENT

(1) WGLW, 9076236, SS YOUNG AMERICA.

(2) 4315N 03515W at 181500Z Aug.

(3) Rhumb line/l9.

(4) Baltimore.

(5) 221200Z Aug.
COMMUNICATION INSTRUCTIONS FOR U.S. MERCHANT SHIPS

8 - 9

PART IV CONTAMINATION PREDICTION SYSTEM FOR MERCHANT SHIPS AT SEA

AND THEMERWARN SYSTEM

830A. Significance of NBC Warnings

Radioactive fallout from nuclear explosions and chemical

and biological contamination (hereafter collectively referred

to as contamination) on sea and land targets, particularly the

latter, may affect large areas of adjacent waters. The areas

affected will depend upon the prevailing wind conditions, and

any ship close to or approaching these areas will be in grave

danger. It is therefore essential that shipping should be warned

of the fallout hazards and contamination in order that:

– Passive defense measures, such as activating washdown

systems, may be taken.

– Course may be altered, if necessary, to avoid the

dangerous zones.

830B. The MERWARN System, Warnings to

Merchant Ships at Sea

A simplified contamination warning system has been

established throughout NATO for broadcasting, via

MERCOMMS and coastal radio stations, warnings of

contamination dangerous to merchant shipping. This

system calls for the origination, by NATO naval

authorities, of five types of messages:

– MERWARN NBC Effective Downwind Message

(MERWARN NBC EDM).

– MERWARN NBC 3 NUC.

– MERWARN NBC Chemical Downwind Message

(MERWARN NBC CDM).

– MERWARN NBC 3 CHEM.

– MERWARN DIVERSION ORDER.

In some cases it may be better to provide warning of

contamination by means of general plain language

messages rather than by these formats.

830C. MERWARN Originating and Diversion

Authorities

MERWARN Originating and Diversion authorities will

be designated by national or NATO commanders before

commencement of operations.

830D. Precedence of NBC Messages

All MERWARN NBC messages should be given FLASH

(Z) precedence to ensure rapid handling on any military

circuit between the originating authority and the

MERCOMMS and/or coastal radio stations. This

precedence should not be used where the rules for the use of

the international safety signal (SECURITAY for voice

circuits) apply.

830E. Method of Promulgation

All MERWARN NBC EDM, MERWARN NBC CDM,

MERWARN NBC 3 CHEM and NBC 3 NUC messages

will be transmitted in plain language, using GMT,

preceded by the international safety signal, from the

appropriate MERCOMMS station and from all the coastal

radio stations of the area concerned. Masters need not

concern themselves with the identity of the MERWARN

originators, but only with the sea areas covered by each

message.

830F. Relay Responsibilities

Originating authorities are responsible for relaying to:

– The appropriate Coast Earth Station (Inmarsat CES),

Coast Radio Station (CRS) under their control, and/or

other CRS in their geographic area.

– Their own national authorities (for transmission to

merchant ships not yet copying MERCOMMS).

– Adjacent MERWARN originators and shipping diverting

authorities within the geographical area affected by each

MERWARN NBC 3 NUC message.

NOTE: Adjacent MERWARN originators are

responsible for relaying to CES/CRS under their control as

necessary.

830G. Danger Zones

All shipping in waters out to 200 nautical miles from any

coast at the outset of war must be regarded as being in an

area of possible fallout danger from nuclear attacks on

shore.

830H. MERWARN NBC EDM

MERWARN NBC EDM is a prediction, for a specified

sea area and time interval, of the fallout which will result

from a 1 megaton (MT) nuclear surface explosion. It will

give the Master of a ship, observing a nuclear explosion, an

immediate indication of the area likely to be affected by

fallout.

MERWARN NBC EDM will be issued at 12 hour

intervals from the time of activation of the MERCOMMS

system, and will be valid 12 hours ahead from the date and

time given in the first line of the message (line A). In the

event of changing meteorological conditions it may be

necessary for the originating authorities to issue

MERWARN NBC EDM more frequently. The original

MERWARN NBC EDM will automatically be overruled

by the latest MERWARN EDM issued.

The following standard format will be used:
COMMUNICATION INSTRUCTIONS FOR U.S. MERCHANT SHIPS

8 - 10

A. Message identifier (MERWARN NBC EDM) and

date-time group (GMT) from which valid for 12 hours

ahead.

B. Specified sea area for which valid.

C. Effective downwind direction (in degrees, three digits)

and effective downwind speed (in knots, three digits).

D. Downwind distance of Zone 1 (in nautical miles, three

digits).

E. Additional information.

Example:

A. MERWARN NBC EDM 180600ZSEP1999

B. BALTIC SEA WEST OF 15°00′E

C. 045-020

D. 078

E. NIL

NOTE: Sets B, C, and D may be repeated for different sea

areas should this be considered necessary.

830I. MERWARN NBC 3 NUC, Standard

Format

MERWARN NBC 3 NUC will be issued after a nuclear

attack producing fallout, and gives fallout data for a

specific explosion or series of explosions, which will be

identified in the message.

MERWARN NBC 3 NUC messages are issued as soon

as possible after the attack, and at 6 hour intervals (to the

nearest hour) thereafter, for as long as fallout danger exists.

They contain information which enables the Master of a

ship to plot the danger area.

The standard format of MERWARN NBC 3 NUC

contains the sets ALFA, DELTA, FOXTROT, and PAPAB

of the military NBC 3 NUC message.

The MERWARN NBC 3 NUC has the following

structure:

Example:

MERWARN NBC 3 NUC

ALFA/UK/NBCC/02-001/N//

DELTA/021405ZSEP1999//

FOXTROT/451230N014312E/AA//

PAPAB/012KTS/028NM/02NM/272DGT/312DGT//

830J. MERWARN NBC 3 NUC, Plain Language

Format

The MERWARN NBC 3 NUC standard format may not

be suitable after a multiple nuclear attack which produces

fallout from several bursts in a large or complex target

area. In such cases warnings will be plain language

statements of a more general nature, indicating area

affected and expected movement of the fallout.

Example 1:

MERWARN NBC 3 NUC

ALFA/UK/02-001/N//

DELTA/021405ZSEP1999//

Fallout extends from Glasgow area to eastern Ireland at

021405Z and is spreading westwards with 12 Knots. Irish

Sea is likely to be affected within an area of 60 nautical

miles of the British coast.

Example 2:

MERWARN NBC 3 NUC

ALFA/IT/15-001/N//

DELTA/150630ZFEB1999//

Fallout is estimated to be occurring at 150830Z over

Adriatic Sea east of the coast line Bari/Brindisi up to a

distance of 30 nautical miles. Fallout is moving

south-eastwards with 016 Knots, getting weaker. It is not

expected to be dangerous after 151000Z.

830K. MERWARN NBC CDM

The MERWARN NBC CDM message contains

information needed for CHEM/BIO hazard prediction by

the master of a merchant ship. The MERWARN NBC

CDM will be issued as required via the MERCOMMS and

will be valid as specified. In the event of changes in the

meteorological conditions, the MERWARN NBC CDM

will be updated as required.

The following standard format will be used:

MERWARN NBC 3 NUC (Message identifier)

ALFA: Strike Serial Number (as defined by the naval

authority).

DELTA: Date-time Group of detonation (GMT).

FOXTROT: Location of attack (latitude and longitude, or

geographical place name) and qualifier (two

digits as follows: AA=Actual Location,

EE=Estimated Location).

PAPAB: Effective wind speed (three digits and unit of

measurement), downwind distance of Zone 1

(three digits and unit of measurement), cloud

radius (two digits and unit of measurement),

left and right radial line of the predicted

fallout hazard area (three digits and unit of

measurement each).

ALFA: Message identifier (MERWARN NBC CDM),

date-time group (GMT) from which valid 6

hours ahead.

BRAVO: Specified sea area for which valid.

CHARLIE: Representative downwind direction (degrees,

3 digits) and representative downwind speed

(knots, 3 digits).

DELTA: Maximum downwind hazard distance

(nautical miles, 3 digits).
COMMUNICATION INSTRUCTIONS FOR U.S. MERCHANT SHIPS

8 - 11

Example:

830L. MERWARN NBC 3 CHEM

This message is issued to pass immediate warning of a

predicted chemical contamination and hazard area.

MERWARN NBC 3 CHEM reports are issued as soon as

possible after each attack. They contain sufficient

information to enable the master of a ship to plot the

downwind hazard area.

The following standard format will be used for

MERWARN NBC 3 CHEM:

NOTE: If representative downwind speed is 5 knots or less,

or variable, this letter item will consist of three (3) digits

instead of coordinates, representing the radius of a circle in

nautical miles centred on the location of the attack

contained in set FOXTROT.

NOTE: Some of the letter items above may not be

completed in the report that is received, but there will be

sufficient information for a Downwind Hazard plot to be

carried out.

The MERWARN NBC 3 CHEM standard format may

not be suitable after a multiple chemical attack, which

produces a hazard from several attacks or depositions in a

large or complex target area. In such cases warnings will

be plain language statements of a more general nature,

indicating areas affected and expected movement of the

hazard.

Example 1:

MERWARN NBC 3 CHEM

ALFA/DA/NBCC-4/003/C//

DELTA/020300ZSEP1999//

GENTEXT/PERSISTENT NERVE AGENT VAPOR

HAZARD EXISTS FROM NORFOLK TO HATTERAS

AT 020300Z SEP 1999 AND IS SPREADING

SOUTH-EASTWARDS AT 017 KNOTS. SEA AREA

OUT TO 100 NAUTICAL MILES FROM COAST

LIKELY TO BE AFFECTED BY 020600ZSEP1999//

Example 2:

MERWARN NBC 3 CHEM

ALFA/DA/NBCC-3/003/C//

DELTA/020300ZSEP1999//

GENTEXT/PERSISTENT NERVE AGENT VAPOR

HAZARD AT 020600Z SEP 99 IS ESTIMATED TO BE

OCCURRING OVER MOST OF THE SEA AREAS OUT

TO 40 MILES EAST OF THE COAST LINE FROM

NORFOLK TO HATTERAS. HAZARD IS EXPECTED

TO HAVE DISPERSED BY 021000Z SEP1999//

830M. MERWARN DIVERSION ORDER

In addition to the origination of MERWARN NBC EDM

and MERWARN NBC 3 NUC messages, naval authorities

may, if circumstances dictate, broadcast general diversion

orders, based upon the fallout threat, whereby merchant

ships proceeding independently will be passed evasive

routing instructions of a more general nature, using the

standard NCS identifier MERWARN DIVERSION

ORDER.

Example:

A. MERWARN DIVERSION ORDER

B. English Channel closed. All shipping in North Sea

remain north of 052 degrees N until 031500ZSEP1999.

830N. Other Warnings

ATP-2, Vol II, gives instructions for the display of

signals by ships which have received a MERWARN NBC 3

NUC message which affects their area. Ships arriving from

sea but remaining beyond visual/aural range of shore

stations should continue to keep radio watch in order to

receive MERWARN messages.

830O. Ground Zero

The point at the surface on sea or land immediately

below or above a nuclear explosion is called Ground Zero

(GZ).

ECHO: Additional information.

ALFA MERWARN NBC CDM 180600ZSEP1999//

BRAVO BALTIC SEA WEST OF 15°00′E//

CHARLIE 045/020//

DELTA 010//

ECHO NIL//

MERWARN NBC 3 CHEM (Message identifier)

ALFA: Strike Serial Number (as defined by the naval

authority).

DELTA: Date-time group (Z) of start and end of attack.

FOXTROT: Location of event.

GOLF: Delivery Means.

INDIA: Release Information.

PAPAA: Predicted attack and hazard area.

YANKEE: The representative downwind direction and

speed.

ZULU: Information on actual weather conditions.

GENTEXT: Remarks.
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8 - 12

830P. Effective Downwind Direction and

Downwind Speed

Winds in the atmosphere vary considerably with height,

both in direction and speed, and have a major influence on

the distribution of radioactive fallout from a nuclear cloud.

The worst contamination will fall to the surface along a

path represented by the average wind between the surface

and the middle of the nuclear cloud.

Based upon meteorological information on the wind

conditions in the airspace between the surface and the

height of the nuclear cloud, NBC Collection Centers will

compute the average direction and speed of the radioactive

particles’ path from the nuclear cloud to the surface.

The results of this computation make up the fallout

prediction, expressed in the terms of effective downwind

direction and speed. It should be noted that the direction of

the effective downwind is the direction towards which the

wind blows. This direction is also known as the fallout

axis.

The surface wind will usually be considerably different

from the effective downwind, both in direction and speed,

and the surface wind should never be used to estimate the

drift of fallout.

830Q. Fallout Pattern Criteria

The predicted fallout area consists of two zones, Zone 1

and Zone 2, with the following characteristics:

– Zone 1 is the zone of immediate concern. Within this

zone there will be areas where exposed, unprotected

personnel may receive doses of 150 cGy (rads) or

greater, within 4 hours. Casualties among personnel may

occur within portions of this zone.

– Zone 2 is the zone of secondary hazard. Within this zone

the total dose received by exposed, unprotected

personnel is not expected to reach 150 cGy (rads) within

a period of 4 hours after the actual arrival of fallout, not

even when the radioactive fallout remains on the deck of

the ship.

Outside these two zones the risk will be negligible.

830R. Fallout Plotting in Merchant Ships

When a nuclear explosion is reported in a MERWARN

NBC 3 NUC message, the Master of a merchant ship

should immediately plot the fallout area on a chart, using

the information contained in the message. A plot example

accompanies the next section.

When a MERWARN NBC 3 NUC is not available (for

example, when a nuclear detonation is observed from the

ship) the data contained in the current MERWARN NBC

EDM should be used. The plotting procedures are almost

identical in the two cases.

For purposes of simplification, merchant ships are to use

cloud radii and safety distance as follows:

– Plotting from MERWARN NBC EDM: Use cloud radius

10 nautical miles and safety distance 15 nautical miles in

all cases.

– Plotting from MERWARN NBC 3 NUC: Use the cloud

radius given in the MERWARN NBC 3 NUC and, in all

cases, a safety distance of 15 nautical miles.

Plotting should be performed in the following manner:

– Plot the location of the detonation (ground zero) on the

chart. Look up the fourth and fifth field of set PAPAB

(left and right radial line of the fallout area) and calculate

the bisector. This line is the equivalent to the downwind

direction. Draw a downwind axis from GZ in the

downwind direction, as calculated above. Draw two

additional downwind radial lines from GZ, 20 ̊ to either

side of the downwind axis.

– Using GZ as center and the downwind distance of Zone

1 (second field of set PAPAB) as radius, draw an arc

between the two radial lines on each side of the

downwind axis. Draw a second arc between the radial

lines to represent Zone 2, doubling the downwind

distance for radius.

– Using GZ as center, draw a semicircle upwind (opposite

the downwind axis and radials) using the cloud radius

(third field of set PAPAB).

– From the intersections of the Zone 1 arc with the two

radial lines, draw straight lines to the ends of the cloud

radius semicircle.

– To determine the area in which fallout deposition is

predicted to occur at any given time after the detonation:

– Multiply the effective downwind speed (first field of set

PAPAB) by the time after the burst (in hours), the result

being a distance in nautical miles.

– To and from this distance add and subtract a safety

distance of 15 nautical miles to allow for finite cloud

size, diffusion, and wind fluctuations. The result will be

two distances.

– With GZ as center and the two safety distances obtained

above as radii, draw arcs across the plotted fallout area.

– The area enclosed between the two arcs will contain, in

most cases, the area of deposition of fallout at this

particular time after the burst.

830S. Plotting from MERWARN NBC 3 NUC

Example:

Given:

MERWARN NBC 3 NUC

ALFA/UK/NBCC/09-001/N//

DELTA/091715ZSEP1999//

FOXTROT/PLYMOUTH/AA//

PAPAB/018KTS/040NM/05NM/275DGT/315DGT//

Problem: Determine the predicted fallout area and the

area within which fallout is predicted to deposit at the

surface at 091845ZSEP1999.

Solution (See figure.):

– On the chart plot GZ. Calculate the downwind direction

295 degrees as bisector from left and right radial line

(from set PAPAB, fourth and fifth field). Draw a

downwind axis from GZ on a bearing of 295 ̊ for a
COMMUNICATION INSTRUCTIONS FOR U.S. MERCHANT SHIPS

8 - 13

distance of 80 nautical miles. Draw two radial lines from

GZ, bearing 275 ̊ and 315 ̊, both 80 nautical miles long.

(80 is twice the downwind distance of Zone 1.)

– Using GZ as center, draw arcs between the radial lines at

40 nautical miles downwind to mark Zone 1, and at 80

nautical miles downwind to mark Zone 2.

– From the third field of set PAPAB, the cloud radius is 5

nautical miles. With GZ as center and 5 nautical miles as

radius, draw the cloud radius semicircle upwind of GZ.

– From the intersections of the Zone 1 arc with the radial

lines, draw straight lines to the ends of the cloud radius

semicircle.

– 091845Z is 1.5 hours after the burst. From the first field

of set PAPAB, obtain the effective downwind speed; 18

knots:

18 kts x 1.5 hr = 27 nautical miles.

The safety distance is always 15 nautical miles.

27 + 15 = 42 nautical miles, and 27 - 15 = 12 nautical

miles.

– With GZ as center and 42 and 12 nautical miles as radii,

draw arcs across the fallout pattern. The area enclosed by

the two arcs and the boundary of the pattern is the area

within which fallout is predicted to deposit at the surface

at 091845ZSEP1999.

830T. Contamination Plotting in Merchant Ships

When a chemical attack is reported in a MERWARN

NBC 3 CHEM message, the following procedure should be

followed:

– Plot the location of the attack from the details in set

FOXTROT.

– Plot the coordinates or radius of the circle contained in

set PAPAA.
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COMMUNICATION INSTRUCTIONS FOR U.S. MERCHANT SHIPS

8 - 15

APPENDIX A

INSTRUCTION TO MASTERS IN AN EMERGENCY ON DEFENSE AGAINST NUCLEAR FALLOUT

Attacks with nuclear weapons may be expected on land

targets adjacent to your route. Such attacks are likely to

result in radioactive fallout being deposited over large

areas of sea, through which you may have to pass. It may

be possible to issue a general warning to indicate which

areas are likely to be dangerous at any particular time.

As fallout will probably be in the form of fine dust which

may be invisible, you should observe the following

precautions during nuclear fallout.

If your ship is equipped with the necessary instruments

to detect fallout, these precautions may be relaxed

accordingly.

PRECAUTIONS TO BE TAKEN: If your ship has a

prearranged radioactive countermeasure plan prepared,

ensure that all measures laid down in that plan are carried

out. If no such plan is in existence, improvise measures as

indicated below:

– Select a group, or groups, of compartments as low in the

ship and as far removed from the ship’s side as possible

within which the crew can take shelter. These spaces

should be equipped with washing and lavatory facilities,

and sufficient food should be stowed there to last for the

passage through the dangerous area. Spaces selected

should be capable of being completely shut down with

all ventilation and other openings secured.

– Strike below or cover as much gear on the weather decks

as possible, particularly absorbent materials such as line,

awnings, etc. Ensure that food stores and galleys are

secured with all openings closed. Stop all ventilation

fans and close or cover all ventilation and other openings

which are not essential for running machinery and

continued steaming. In the absence of suitable closures,

the use of canvas covers, adhesive tape, etc., is

recommended.

– Rig all available fire-fighting and deck washing hoses

and nozzles to spray water continuously over as much of

the weather decks and superstructure as possible, to

prevent contamination settling. If complete coverage is

impossible, concentrate effort on the navigating position,

over the top of the shelter position(s), and above the

machinery spaces.

– If a continual spraying of the upper works is

impracticable, organize working parties at frequent

intervals to wash down the weather decks and

superstructure to reduce the buildup of contamination.

– Reduce the number of your crew who must remain on

the weather decks or in positions near the weather decks,

or in machinery spaces, to the bare minimum required

for safe steaming, and keep the remainder in the selected

shelter position(s).

– Ensure that all who must remain in exposed positions

(including machinery spaces, unless ventilation can be

stopped) are fully clothed, preferably in foul weather

clothing, with all the skin covered so far as practicable.

– During the passage, so far as the numbers of

appropriately skilled personnel allow, change around

those manning exposed or relatively unsheltered

positions (including the machinery spaces) as often as

possible in order to spread the radiation dosage.

Remember that this advice also applies to the Master,

who should take as much shelter as the safe navigation of

the ship will permit.

– Ensure that all who have been exposed remove at least

their outer clothing on returning to shelter, wash

thoroughly their exposed skin (especially hands, face,

and neck) as soon as possible, and in any case before

drinking or eating.

– Restrict unnecessary movement throughout the ship to

minimize the possible spread of contamination.

– Unless absolutely necessary, do not distill water for

drinking while in a dangerous area.

– As soon as possible after clearing a dangerous area, carry

out a thorough hosing down of the all weather decks and

superstructure.

INDEX I

RADIO AIDS TO NAVIGATION BY COUNTRY

I-1

A

Acores . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3456.2

Albania . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3498.1

Algeria. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3550, 5010

American Samoa. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3948

Angola. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3629

Antarctica . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3209

Argentina. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2080, 3182, 5020

Australia . . . . . . . . . . . . . . . . . . . . . . . 1665, 2600, 3876, 5030

B

Bahrain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3716, 5050

Bangladesh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3731, 5060

Barbados . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5070

Belarus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2150

Belgium. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3378, 5080

Benin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3610, 5090

Bermuda . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3135, 5100

Bjornoya . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3216

Brazil. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2050.5, 3150

Bulgaria. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1187.61, 3510

Burma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5101

Burma (Myanmar). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3733

C

Cameroon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3620, 5110

Canada. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1001, 2020, 5120

Canada - Arctic and Atlantic. . . . . . . . . . . . . . . . . . . . . . . 3017

Canada - Pacific . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3671

Channel Islands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3410

Chile . . . . . . . . . . . . . . . . . . . . . . . . . 1895, 2445, 3645.4, 5130

China . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2485.1, 3740, 5140

Colombia. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1850

Comoros . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5141

Congo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5150

Congo (Brazzaville) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3630

Costa Rica . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5160

Cote D'Ivoire (Ivory Coast) . . . . . . . . . . . . . . . . . . . . . . . 3600

Croatia. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3499, 5165

Cuba . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3119, 5170

Cyprus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3509, 5180

Czech Republic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2091

D

Denmark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3359, 5190

Djibouti . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5200

Dominican Republic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5210

E

Ecuador . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2051, 3646

Egypt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5220

Egypt - Mediterranean . . . . . . . . . . . . . . . . . . . . . . . . . . . 3537

Egypt - Red Sea. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3713.2

Estonia. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3334

F

Faroe Islands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3215

Fiji . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3945

Fiji Islands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5245

Finland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3314, 5250

France . . . . . . . . . . . . . . . . . . . . . . . . . 1182, 1273, 2380, 5260

France - Channel and Atlantic . . . . . . . . . . . . . . . . . . . . . 3421

France - Mediterranean . . . . . . . . . . . . . . . . . . . . . . . . . . . 3471

French Polynesia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3943

G

Gambia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5290

Georgia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3519

Germany . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1205, 2320, 5300

Germany - North Sea . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3370

Ghana . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3605, 5320

Greece . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3500, 5330

Greenland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3001.5, 5340

Guadeloupe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5350

Guam. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3913

Guinea . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3590, 5360

Guyana . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5370

H

Hong Kong . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5380

Hong Kong (China). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3739

I

Iceland. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3212

India . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2476, 3722, 5390

Indonesia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2633, 5400

Indonesia - Irian Jaya . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3840

Indonesia - Java. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3820

Indonesia - Moluccas . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3836

Indonesia - Sulawesi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3830

Indonesia - Sumatera. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3816

Iran . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3715

Iraq . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5410

Ireland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3405, 5420

Islas Baleares. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3464

Islas Canarias . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3579
I-2

INDEX I

RADIO AIDS TO NAVIGATION BY COUNTRY

Israel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3534, 5430

Italy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2410, 3475, 5440

Ivory Coast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5450

J

Jamaica . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3135.5, 5460

Jan Mayen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3214

Japan . . . . . . . . . . . . . . . . . . . . . . . . . . 1530, 2500, 3753, 5470

K

Kenya . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5480

Kyrgyzstan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2211

L

Latvia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1198, 3333, 5485

Libya . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3538

Lithuania . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1199, 3332

M

Madagascar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5500

Malaysia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5510

Malaysia - Peninsular . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3734

Malaysia - Sabah. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3803

Malaysia - Sarawak. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3805

Malta . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3498.05, 5520

Martinique. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3140, 5540

Mauritania . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3583

Mauritius . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3710, 5541

Mexico . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2040, 3118

Monaco . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3474, 5542

Morocco . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1320, 3560, 5550

N

Namibia. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3627, 5560

Nauru. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5565

Netherland Antilles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5580

Netherlands . . . . . . . . . . . . . . . . . . . . . . . . . . 1218, 3375, 5570

Netherlands Antilles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3145

New Caledonia . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3940, 5590

New Zealand . . . . . . . . . . . . . . . . . . . . . . . . . 1625, 3904, 5600

Nigeria. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3615, 5610

Norway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1204, 3242, 5620

O

Oman. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3713.8, 5630

P

Pakistan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1188, 3720, 5640

Panama . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5650

Papua New Guinea . . . . . . . . . . . . . . . . . . . . . . . . . 3866, 5660

Peru . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2461, 3646.1, 5665

Philippines. . . . . . . . . . . . . . . . . . . . . . . . . . . 2530, 3792, 5670

Poland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1200, 3336, 5680

Portugal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1295, 3441, 5690

Puerto Rico . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3138

Q

Qatar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3713.9

R

Republic of Korea . . . . . . . . . . . . . . . . . . . . . 1520, 2505, 3742

Reunion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3711

Reunion Island . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5710

Romania . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3512

Russia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1190, 2202, 5705

Russia - Baltic Coast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3325

Russia - Black Sea. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3520

Russia - Caspian Sea . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3522

Russia - Northern Coasts. . . . . . . . . . . . . . . . . . . . . . . . . . 3224

Russia - Pacific . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3748

S

Saudi Arabia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5730

Saudi Arabia - Persian Gulf . . . . . . . . . . . . . . . . . . . . . . 3714.2

Saudi Arabia - Red Sea . . . . . . . . . . . . . . . . . . . . . . . . . . 3713.6

Senegal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3584, 5740

Serbia and Montenegro . . . . . . . . . . . . . . . . . . . 3499.5, 5740.5

Seychelles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5741

Sierra Leone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5750

Singapore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3735, 5755

Slovenia. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5760

South Africa . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3641, 5770

Spain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1300, 5790

Spain - North Coast. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3430

Spain - South and Mediterranean . . . . . . . . . . . . . . . . . . . 3458

Sri Lanka . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2480, 3730, 5800

St. Helena . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5720

St. Pierre and Miquelon . . . . . . . . . . . . . . . . . . . . . 3050, 5725

Suriname . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5810

Svalbard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3218, 5820.5

Sweden . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1203, 3288, 5820

Switzerland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2400, 5821

T

Tahiti . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5822
INDEX I

RADIO AIDS TO NAVIGATION BY COUNTRY

I-3

Taiwan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2635, 3785

Thailand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1480, 3736

Togo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5824

Tonga . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3949, 5823

Trinidad and Tobago. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3143

Tunisia. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3540, 5840

Turkey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3528.1

U

Ukraine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1305, 3514, 5845

United Kingdom . . . . . . . . . . . . 1055, 1237, 2351, 3390, 5850

United States . . . . . . . . . . . . . . . 1720, 2000, 5860, 5861, 5862

United States - Alaska. . . . . . . . . . . . . . . . . . . . . . . . . . . 3692.5

United States - Atlantic and Gulf . . . . . . . . . . . . . . . . . . . 3083

United States - Hawaii . . . . . . . . . . . . . . . . . . . . . . . . . . . 3703

United States - Pacific. . . . . . . . . . . . . . . . . . . . . . . . . . . 3646.5

United States and Canada - Lakes. . . . . . . . . . . . . . . . . . . 3068

Uruguay. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3168, 5866

Uzbekistan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2212

V

Venezuela . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2043

Vietnam. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3737, 5868

Y

Yemen Aden . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5780

I- 5

INDEX II

RADIO AIDS TO NAVIGATION BY STATION

A

Aasiaat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3015

Aberdeen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3390

Abidjan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3600

Adelaide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3885

Agadir . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3570

Alexandria. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3537

Alger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3552

Alicante . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3459

Alistro . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1187.4

Almeria . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3459.65

Amboina . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3836

Ammassalik. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3002

Ancona . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3477.5

Annaba . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3550

Antalya . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3528.1

Antofagasta . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3645.75

Antwerpen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3378

Arkhangel'sk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2209, 3226

Arrecife . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3579

Astoria, OR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3665

Astrakhan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3522

Athens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3504

Atlantic City, NJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3090.7

Auckland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1625

Augusta . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3477.2

Ault . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1182.5

Aveiro . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1295

B

Bagur. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3462.5

Bahia Blanca . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3192

Bahrain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3716

Baltimore, MD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3092

Bandar Abbas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3715.2

Bandar Khomeyni . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3715

Bangkok . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3736

Banks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1002.36

Bar. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3499.5

Barcelona . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3459.55

Barfleur . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1183.1

Bari . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3495

Barra . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1055

Barry Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1002.6

Base Prat, Greenwich Island (South Shetland Islands). . 3645.8

Batumi. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3519

Batz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1183.7

Bawdsey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1060

BBC-Radio 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2360

BBC-Radio 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2361

BBC-Radio 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2362

BBC-Radio 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2363

BBC-World Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2370

Bec de L'Aigle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1186.2

Beg Melen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1184.2

Beg-Meil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1184.1

Belawan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3817

Belem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3150

Belem Radio Liberal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3151

Belem Radio Marajoara . . . . . . . . . . . . . . . . . . . . . . . . . . 3152

Belfast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3404.5

Bergen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3252

Bermuda Harbor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3135

Berry Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1065

Berwick Bay, LA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1730

Bilbao . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3430.2

Bisan Seto . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1550

Bitung . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3832

Bjornoya . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3216

Bodo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3244

Bombay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3722.05

Bombay Naval. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3722

Boniface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1066

Boston, MA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3086

Botlek . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1231

Boulogne . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1182.4

Brehat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1183.6

Bremen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3370

Brignogan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1183.75

Brixham. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3400.2

Brougham . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1002.37

Buenos Aires . . . . . . . . . . . . . . . . . . . . . . . . . 2080, 2081, 3182

Buffalo, NY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3076

Busan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1520, 3746

Bushehr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3715.1

C

Cabo de Gata. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3459.7

Cabo de la Nao . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3459.35

Cabo Ortegal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3430.6

Cabo Penas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3430.8

Cadiz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3458

Cagliari . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3476

Cairns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3876

Calcutta . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3728.3

Callao . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3646.1

Caloocan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3792.5

Calvert Island . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1002.65

Cambria, CA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3646.6

Cap Bear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1185.6

Cap Camarat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1186.5

Cap Cepet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1186.3

Cap Corse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1186.9
I-6

INDEX II

RADIO AIDS TO NAVIGATION BY STATION

Cap Couronne . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1186

Cap de la Chevre. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1183.95

Cap du Dramont . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1186.6

Cap Ferrat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1186.8

Cap Ferret . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1184.8

Cap Leucate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1185.7

Cap-aux-Meules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1001

Cape Croker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1002.38

Cape Hatteras, NC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3099

Cape Naval (NAVCOMCEN Cape) . . . . . . . . . . . . . . . . 3645.1

Cape Town . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3644

Cartagena . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3462

Carteret . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1183.3

Casablanca . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1320, 3572

Casey. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3209

Castellon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3459.4

Centro Meteorologico Antartico Vcom. Marambio . . . . . 3210

Centro Meteorologico Presidente Eduardo Frei, King George

Island (South Shetland Islands). . . . . . . . . . . . . . . . . . . 3645.77

Cerrito . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3170

Chah Bahar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3715.3

Chapultepec. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2040

Charleston, SC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3100

Charleville. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3901

Chassiron. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1184.65

Cheju . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3742.5

Chemoulin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1184.5

Chesapeake, VA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3096

Chi-lung . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3785

Chincoteague, VA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3093

Chipiona . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3459.3

Chittagong. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3731

Chukpyon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3746.5

Chung-Li . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2635

Cienfuegos . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3121

Civitavecchia. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3482

Clyde . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3402

Cobourg. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1002.4

Cochin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3728

Colombo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2480, 3730

Colonia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3177

Comodoro Rivadavia . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3196

Comox, B.C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3672

Compass Head. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1070

Conakry. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3590

Constanta. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3512

Corpus Christi, TX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3116

Corse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3473

Corsen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1287, 3423

Coruna. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3434

Cotonou. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3610

Crosslaw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1072

Crotone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3493

Cullercoats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1073, 3392

Cumshewa. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1002.7

Curacao . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3145

Cyprus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3509

D

Da Nang . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3737.5

Daet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3802

Dakar. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3584

Dalian . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3740.3

Dammam. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3714.2

Danish Radio (Kalundborg) . . . . . . . . . . . . . . . . . . . . . . . 3362

Darlowo. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1201

Darwin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3900

Davao . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3799

Delfzijl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1218.5

Den Helder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1219

Detroit, MI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3077

Deutschlandfunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3373

Dickson . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3232

Die Elbe. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1205

Die Ems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1217

Die Jade. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1216

Die Weser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1215

Dieppe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1182.6

Doha . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3713.9

Dordrecht . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1226

Douala . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3620

Dover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3397.1

Dublin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3405

Dubrovnik . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3499.05

Dumai . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3816

Dundas Island . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1002.75

Dunkerque. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1182.3, 1273

Dunnet Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1075

Durban. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3643

Durres . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3498.1

E

Easington. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1080

East London . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3645

East Prawle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1082

Eemshaven . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1218

Etel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1184.15, 3423.5

F

Fairlight. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1086

Falmouth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3400.3

Faro . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3445

Farsund . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3256

Fecamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1182.7

Fedje . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1204
I- 7

INDEX II

RADIO AIDS TO NAVIGATION BY STATION

Fife Ness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1087

Finisterre . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3433

Flamborough . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1088

Floro . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3251

Fort Collins, CO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2000

Fort de France . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3140

Fort Macon, NC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3099.5

Forth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3391

Fortune Head. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1001.3

France Inter (Allouis) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2380

Frunze . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2211

Fuerteventura . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3579.5

Fuzhou. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3740.4

G

Galveston, TX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3112

Genova . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3478

Gijon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3430.9

Gladstone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3876.5

Goa . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3726

Gomera . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3581.3

Gorky . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2203

Goteborg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1203

Grand Haven, MI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3078

Gravesend Radio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1254

Great Ormes Head. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1089

Greenland Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3003

Gris-Nez . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1182, 1274, 3421

Grosses-Roches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1001.35

Grove Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1090

Guam. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3913

Guangzhou . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3740

Guayaquil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2051

Guayaquil Naval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3646

Guernsey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1090.5

H

Habana . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3131

Hai Phong . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3737

Haifa . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3534

Halifax, N.S. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3045

Hamburg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1210

Hartel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1232

Hartland. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1091

Hartlepool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1091.2

Harwich. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1262

Havre St.-Pierre. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1001.45

Hellas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3507

Hellenic Radio-Television . . . . . . . . . . . . . . . . . . . . . . . . 3506

Hengistbury Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1092

Hierro . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3581.6

Hiroshima . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3766

Ho Chi Minh Ville . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3738

Hobart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3884

Hoek van Holland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1230

Holyhead . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3400.6

Homet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1183.2

Hong Kong . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3739

Honolulu, HI . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3703, 3703.5

Horta . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3456.3

Houston-Galveston, TX . . . . . . . . . . . . . . . . . . . . . . . . . . 1740

Hua-lien. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3787

Humber . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3394

Humboldt Bay, CA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3661

I

Ibiza. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3465

Icelandic State Broadcasting Service . . . . . . . . . . . . . . . 3212.5

Ijmuiden . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1220

Ile Rousse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1187

Iloilo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3801

Inchon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3742

Inuvik, N.W.T. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3018

Inverbervie . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1093

Iqaluit, N.T.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3017

Iraklion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3502

Irkutsk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2205, 2205.5

Ishigaki . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3769

Isla de Pascua (Easter Island) . . . . . . . . . . . . . . . . . . . . 3645.76

Ismailia (Serapeum) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3713.4

Istanbul . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3533

Izmir . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3529

J

Jakarta . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2633, 3820

Jamaica Coast Guard. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3135.5

Jan Mayen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3214

Jayapura . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3840

Jersey. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1093.5, 3410

Jiddah . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3713.6

Jobourg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1182.1, 3421.5

Juncao . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3166

Juneau, AK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3692.5

K

Kagoshima . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3767

Kaliningrad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3325

Kandla . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3723

Kangnung . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3745

Kanmon Kaikyo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1540

Kao-Hsiung . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3790

Karachi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1188, 3720

Karachi Naval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3721
I-8

INDEX II

RADIO AIDS TO NAVIGATION BY STATION

Kekaha, Kauai, HI. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2001

Kerch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3517.5

Kerkira . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3500

Key West, FL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3106

Khabarovsk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2206

Kholmsk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3750

Kiev. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3518

Kilchiaran . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1094

Klaipeda . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1199, 3332

Klemtu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1002.8

Kobe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3764

Kochi. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3772.2

Kodiak, AK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3695

Kolobrzeg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1202

Kunsan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3744

Kushiro . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1570, 3753

L

L'Espiguette. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1185.9

La Chiappa . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1187.3

La Garde . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1185.5, 3471

La Garoupe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1186.7

La Gironde . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1290

La Goulette Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3540

La Guardia. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3430

La Hague. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1183.25

La Heve. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1182.8

La Loire. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1288

La Palma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3581.9

La Paloma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3168

La Parata . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1187.1

La Seine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1280

Labrador, Labr. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3019.5

Lac D'aigle (Sept Iles). . . . . . . . . . . . . . . . . . . . . . . . . . . 1001.6

Laem Chabang . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1480

Lagos. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3615

Lampedusa . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3490

Lands End . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1094.1

Langdon Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1094.2

Laoag. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3797

Las Palmas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3580

Law Hill . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1094.5

Le Grouin (Cancale) . . . . . . . . . . . . . . . . . . . . . . . . . . . 1183.45

Le Havre . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1275

Le Roc. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1183.35

Le Stiff (Ile d'Ouessant) . . . . . . . . . . . . . . . . . . . . . . . . . 1183.8

Le Talut. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1184.4

Leba. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1200

Leixoes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3441

Lerwick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1237

Les Baleines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1184.6

Les Escoumins, Que.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3038

Liblice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2091

Limnos . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3508

Liverpool. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1270, 3400.7

Livorno . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3480

Lizard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1095

Llandilo, Penrith . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2601

Long Beach, CA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3646.5

Long Island Sound, CT . . . . . . . . . . . . . . . . . . . . . . . . . . 3088.5

LOOP Deepwater Port (Louisiana Offshore Oil Port) . . . 1735

Lowestoft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1095.5

Luanda. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3629

Lucena. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3796

Luderitz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3627

Lyngby . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3359

M

Maasboulevard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1234

Machichaco . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3436

Madras. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3728.2

Magadan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3751

Magallanes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3645.7

Mahina . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3943

Mainflingen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2320

Maizuru . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3773

Makasar. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3830

Malaga. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3459.6

Malin Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3406

Malolos . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3793

Malta . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3498.05

Mandaluyong . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3795.5

Mangalore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3727

Manila . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2530, 3795

Mar del Plata . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3184

Mariupol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3517

Mariupol (Zhdanov) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1315

Mauritius . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3710

Mayport, FL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3102

Mazara del Vallo. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3489

Medway. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1250

Melbourne . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3883

Menorca . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3464.5

Messanges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1184.82

Messina . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3486

Miami, FL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3104

Milford Haven. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3400.5

Milwaukee, WI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3079

Miri . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3805

Mobile, AL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3111

Moji. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3772.4

Mokpo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3743

Mollendo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3646.3

Molodechno . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2150

Monaco . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3474

Monsanto. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3444
I- 9

INDEX II

RADIO AIDS TO NAVIGATION BY STATION

Montevideo Trouville . . . . . . . . . . . . . . . . . . . . . . . . . . . 3176.1

Mont-Louis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1001.85

Montmagny . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1001.9

Montreal, Que. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3036

Moriches, NY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3088.6

Moskva . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2202, 2202.5

Mount Gil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1002.85

Mount Hays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1002.9

Murmansk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1196, 3224

Muscat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3713.8

N

Naden Harbor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1002.95

Nagoya . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1555, 3760

Naha . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3777

Nakhodka . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1194

Napoli . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3484

Natashquan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1001.95

Navia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3430.5

Netherlands Coast Guard . . . . . . . . . . . . . . . . . . . . . . . . . 3375

New Delhi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2476

New Orleans, LA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3108

New York, NY . . . . . . . . . . . . . . . . . . . . . . . . . . .1720, 3088.7

Newhaven . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1096

Newport. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1002

Newton . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1097

Niigata. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3772.8

Niton . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3398

North Bend, OR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3664

North Foreland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1098

North Post . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3143

Northwood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3395

Nos Galata Lt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1187.61

Noss Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1098.2

Nouadhibou. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3583

Noumea . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3940

Novorossiysk. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1192, 3520

Novosibirsk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2204

Nueva Palmira. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3178

Nukualofa . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3949

Nuuk (Kook Island) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3005

O

Observatorio Naval Caracas . . . . . . . . . . . . . . . . . . . . . . . 2043

Odessa . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1305, 3514

Offenbach/Pinneberg . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3371

Okhotsk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3751.5

Olinda . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3157

Oostende . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3380

Oran. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3554

Orlandet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3248

Orlock Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1098.5

Osaka. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1530

Otago Harbour. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1630

Otaru . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3775

Ottawa, Ont . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2020

P

Pago Pago . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3948

Paita. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3646.2

Palembang. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3819

Palermo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3487

Palma. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3464

Palmer Station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3211

Pasajes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3430.3

Penmarc'h . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1184.05

Penta Comstat, Firefly. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3877

Perth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3886

Pertusato . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1187.2

Peru National Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2461

Petropavlovsk-Kamchatskiy . . . . . . . . . . . . . . . . . . . . . . 3749.5

Pevek. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3235

Pinang . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3734

Piriac . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1184.45

Placentia, Nfld. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3027.5

Ploumanach. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1183.65

Point Reyes, CA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3657

Pointe au Baril. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1002.45

Pointe de Grave. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1184.75

Pointe du Raz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1184

Pointe Heath . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1002.1

Pointe Noire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3630

Polo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3792

Ponta Delgada . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3456.2

Ponta do Ceu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3153

Porquerolles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1186.4

Port Angeles, WA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3667

Port aux Basques, Nfld.. . . . . . . . . . . . . . . . . . . . . . . . . . . 3021

Port Blair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3729

Port Dampier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1675

Port Elizabeth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3641

Port Harcourt. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3617

Port Hedland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1665, 3892

Port Louis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3710.5

Port Moresby. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3866

Port-en-Bessin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1183

Portland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3400

Portland, ME . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3084

Portland, OR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3666

Portnaguran . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1098.3

Porto Cervo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3477.3

Porto Santo, Madeira. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3456

Porto Torres. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3477.4

Portpatrick. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3401

Prangins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2400
I-10

INDEX II

RADIO AIDS TO NAVIGATION BY STATION

Prescott, Ont.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3069

Primera Angostura . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1900

Prince Rupert, B.C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3677

Prince William Sound, AK . . . . . . . . . . . . . . . . . . . . . . . . 1770

Puerto Covenas, Floating Storage Unit. . . . . . . . . . . . . . . 1850

Puerto Madryn. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3193

Puerto Montt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3645.4

Puerto Princesa . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3798

Puget Sound, WA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1760

Punta Carretas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3169.5

Punta del Este . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3169

Pyonsan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3744.5

Q

Qaqortoq . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3001.5

Quebec, Que.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3032

Quequen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3191

Quseir . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3713.2

R

Radio Australia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2600

Radio Finland (Yleisradio) . . . . . . . . . . . . . . . . . . . . . . . . 3315

Radio Nacional de Macapa . . . . . . . . . . . . . . . . . . . . . . . . 3154

Radio Victoria. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2462

Rame Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1105

Rangoon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3733

Ratnagiri . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3725

Ravenna. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3477.6

Recalada Rio de la Plata . . . . . . . . . . . . . . . . . . . . . . . . . . 3186

Reunion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3711

Reykjavik . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3212

Rhiw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1105.2

Riga . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3333

Rijeka . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3499.1

Rio de Janeiro . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2050.5

Rio de Janeiro Naval. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3161

Rio Gallegos . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3204

Riviere du Loup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1002.2

Riviere-au-Renard. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1002.15

Riviere-au-Renard, Que. . . . . . . . . . . . . . . . . . . . . . . . . . . 3040

Roches-Douvres . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1182.2

Rodel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1106

Rodhos . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3503

Rogaland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3254

Roma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2410, 3475

Rouen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1285

Rugby . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2351

S

S. Quay Portrieux . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1183.55

Safi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3574

Sagro . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1187.5

Saint John, N.B. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3047

Saint-Cast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1183.5

Saint-Julien . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1184.3

Saint-Mathieu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1183.85

Saint-Sauveur . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1184.55

Saint-Vaast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1183.05

Samsun . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3531

San Benedetto del Tronto . . . . . . . . . . . . . . . . . . . . . . . . . 3496

San Francisco, CA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1750

San Juan, PR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3138

Sandakan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3803

Sankt-Peterburg. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1190

Santander. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3430.4

Santiago de Cuba . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3119

Sanwa . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2500, 2501

Sanya. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3740.1

Sarnia, Ont. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3070

Sasebo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3772.5

Sault St. Marie, MI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3074

Savannah, GA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3101

Scheveningen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1225

Seattle, WA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3668

Selsey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1115

Sete . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1185.8

Sevastopol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3516

Shanghai . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2485.1, 3741

Shetland. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3404.1

Shiogama. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3754

Shoeburyness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1116

Singapore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3735

Skegness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1117

Slupsk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3337

Snaefell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1120

Socoa. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1184.85

Solent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3397.2

Southampton Vessel Traffic Services Centre . . . . . . . . . . 1265

Southwest Harbor, ME . . . . . . . . . . . . . . . . . . . . . . . . . . . 3083

Split . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3499

St. Ann's Head. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1108

St. Anthony, Nfld. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3020

St. John's, Nfld. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3023

St. Mary's, Isles of Scilly . . . . . . . . . . . . . . . . . . . . . . . . . 1109

St. Petersburg, FL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3107.8

St. Pierre Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3050

Stad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1233

Stockholm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3288

Stornoway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3404

Strait of Gibraltar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1300

Sullom Voe Harbour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1240

Surabaya . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3824

Suva. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3945

Svalbard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3218

Swansea. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3400.4
I- 11

INDEX II

RADIO AIDS TO NAVIGATION BY STATION

Sydney. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3882

Sydney, N.S. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3042

T

Tacubaya . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2041

Taedok. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2505

Tai-Chung . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3790.5

Talcahuano . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3645.6

Tallinn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3334

Tanabe. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3772

Tanger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3560

Tarifa. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3460

Tarragona . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3459.5

Tashkent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2212

Taupo Maritime Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . 3904

Tees . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1245

Tema . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3605

Tenerife . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3581

Thames . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3397

Thunder Bay, Ont.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3080

Tianjin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3740.2

Tiree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1150

Tjome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3258

Tobermory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1002.5

Tofino, B.C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3675

Tokyo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3756

Tokyo Wan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1560

Torino . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2411

Torshavn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3215

Toulinguet (Camaret) . . . . . . . . . . . . . . . . . . . . . . . . . . . 1183.9

Trafalgar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1002.55

Trevose Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1155

Trieste . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3498

Trimingham. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1160

Tripoli . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3538

Tunis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3542

Turku. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3314

Tuticorin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3728.1

Twillingate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1002.35

Tynemouth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1165

U

Ullung . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3747

Ushuaia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3208

V

Valdez, AK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3696.5

Valencia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3459.37

Valentia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3408

Valenzuela. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3794

Valparaiso . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1895

Valparaiso Playa Ancha . . . . . . . . . . . . . . . . . . . . . . . . . 3645.5

Valparaiso Playa Ancha Radiomaritima . . . . . . . . . . . . . . 2445

Van Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1003

Vardo. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3242

Varna. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3510

Ventspils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1198

Veracruz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3118

Victoria, B.C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3671

Vigo. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3430.1

Villerville . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1182.9

Vishakhapatnam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3722.1

Vishakhapatnam Naval . . . . . . . . . . . . . . . . . . . . . . . . . . 3722.2

Vladivostok . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3748

W

Walney Island . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1170

Walvis Bay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3628

Wanganui . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1635

West Torr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1171

Westport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1640

Whitby. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1172

Wiarton, Ont . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3068

Wideford Hill . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1175

Wiluna. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3902

Windyhead . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1180

Witowo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3336

Woods Hole, MA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3087

Woolwich Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1255

X

Xian. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2490

Y

Yarmouth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3396

Yeosu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3747.5

Yokohama . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3757

Yuzhnyy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1310

Z

Zatoka Gdansk VTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3338

I-13

CROSS REFERENCE – INTERNATIONAL vs. U.S. RADIO AIDS

Inter. – U.S. – Inter. – U.S. –

2-0001 1055, 1060, 1065, 1066,

1070, 1072, 1073, 1075, 1080,

1082, 1086, 1087, 1088, 1089,

1090, 1091, 1091.2, 1092, 1093,

1094, 1094.1, 1094.2, 1094.5, 1095,

1095.5, 1096, 1097, 1098, 1098.2,

1098.3, 1105, 1105.2, 1106, 1108,

1109, 1115, 1116, 1117, 1120,

1150, 1155, 1160, 1165, 1170,

1172, 1175, 1180

2-0155 1090.5, 1093.5

2-0175 1098.5, 1171

2-0815 1182, 1182.1, 1182.2, 1182.3,

1182.4, 1182.5, 1182.6, 1182.7, 1182.8,

1182.9, 1183, 1183.05, 1183.1, 1183.2,

1183.25, 1183.3, 1183.35, 1183.45, 1183.5,

1183.55, 1183.6, 1183.65, 1183.7, 1183.75,

1183.8, 1183.85, 1183.9, 1183.95, 1184,

1184.05, 1184.1, 1184.15, 1184.2, 1184.3,

1184.4, 1184.45, 1184.5, 1184.55, 1184.6,

1184.65, 1184.75, 1184.8, 1184.82, 1184.85

2-1040 1185.5, 1185.6, 1185.7, 1185.8,

1185.9, 1186, 1186.2, 1186.3, 1186.4,

1186.5, 1186.6, 1186.7, 1186.8, 1186.9,

1187, 1187.1, 1187.2, 1187.3, 1187.4,

1187.5

2-1282 1187.61

2-2147 1188

2-3510 1002.6, 1002.65, 1002.7, 1002.75,

1002.8, 1002.85, 1002.9, 1002.95, 1003

2-4326 1001.3, 1001.35, 1001.45, 1001.6,

1001.85, 1001.9, 1001.95, 1002, 1002.1,

1002.15, 1002.2, 1002.35