# Presentation: 001919

## THE 2nd SPACE OPERATIONS SQUADRONCapt Heather Eastlack

**NANUS**

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## Introduction

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**Introduction**

-  2 SOPS NANU overview
-  History
-  Description
-  Format Samples
-  FCSTMX changes

**Notes:**
2 SOPS
	LtCol Frank Gallagher	2 SOPS/DO
	1Lt Dave Friedman	2 SOPS/DOUAN
	Robin Brown		2 SOPS Operations Support

GPS JPO
	LtCol Harrington	CZE
	1Lt Fred Yates	CZ
	Tina Schmidt		CZ
	Mike Morgan		CZG

NAVCEN	
	LT Weems

FAA
	LtCol Mike Stiers
	Karen Van Dyke

## NANU Description

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**NANU Description**

-  2 SOPS generates a Notice Advisory to NAVSTAR Users (NANU) message to inform military and civil users of events affecting GPS constellation navigation payload status

## NANU History

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**NANU History**

-  Civil community through on site support personnel convince GPS operational support personnel that outage notices need to be published in **1984**
-  GPS operational support personnel collaborate and code NANU outage distribution software in **1986**
-  United States Coast Guard (USCG) receives NANUs and upgrades USCG radio broadcasts to include NANUs in **1988**

**Notes:**
2 SCS and NOSO NOSO-NAVSTAR Operations Support Officer

## NANU History

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**NANU History**

-  Requirement established to report GPS degradation below a certain level in **1989**.
-  Worldwide navigation users (civilian and military) increased to infinite numbers as utility is established **1988-Present**

**Notes:**
Indian Towing Co vs. US (1989)
	AFSPACE memo 
	based on Federal Claims Act
	take paragraph from ICD 3-12 pg 1 regarding memo
"AFSPACECOM (now...) establish requirement to report GPS degradation below a certain level.” 

## NANU History

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**NANU History**

-  MOA established between Department of Transportation (DOT) and Department of Defense (DOD) in Jan **1993**
-  Annex 1 *DOT Representation at the GPS JPO and AFSPACECOM *added in Jun **1993**
-  Annex 2 *Second Coded Civil GPS Signal *added in Jul **1997**
-  Annex 3 *Information Coordination and Dissemination *added in Jul **1999**
-  Annex 4 *Implementing Unique Civil Requirements *added in Aug **2000**

**Notes:**
1st MOA between DOD & DOT (USCG) required USSPACECOM to provide GPS status info (now OA1 file) to USCG in consistent format
Supplemented NAVCEN as an addresssee to all NANUs in1994

## NANU History

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**NANU History**

-  The legacy GPS User Support System (GUSS) was PC-based and developed as an offline tool to automate NANU generation in **1995**
-  Notified worldwide users of satellite outages, return to service, and general GPS information
-  MOA established between United States Air Force Space Command (AFSPACECOM) and USCG in Feb **1996**

## NANU History

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**NANU History**

-  Intranet-based GUSS was developed to provide enhanced automation and be compliant with LAN policies regarding software/hardware requirements
-  VV&A in 2001
-  Related MCB occurred in Jan 2002
-  Awaiting 1067 validation for AEP version of GUSS
-  Related MCB occurred in Jan 2002

## NANU Types

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**NANU Types**

-  Scheduled outages
-  Unscheduled outages
-  General
-  Classified
-  Others

## NANU Types

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**NANU Types**

-  Scheduled outages
-  FCSTDV
-  FCSTMX
-  FCSTCANC
-  FCSTRESCD
-  FCSTEXTD
-  FCSTSUMM

## NANU Samples

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**NANU Samples**

- NOTICE ADVISORY TO NAVSTAR USERS (NANU) YYYYNNN
- SUBJ: SVNxx (PRNXX) FORECAST OUTAGE JDAY JJJ/HHMM - JDAY JJJ/HHMM
- 1.  NANU TYPE: FCSTDV
-     NANU NUMBER: YYYYNNN
-     NANU DTG: DDHHMMZ MMM YYYY
-     REFERENCE NANU: N/A
-     REF NANU DTG: N/A
-     SVN: XX
-     PRN: XX
-     START JDAY: JJJ
-     START TIME ZULU: HHMM
-     START CALENDAR DATE: DD MMM YYYY
-     STOP JDAY: JJJ
-     STOP TIME ZULU: HHMM
-     STOP CALENDAR DATE: DD MMM YYYY
- 2.  CONDITION: GPS SATELLITE SVNXX (PRNXX) WILL BE UNUSABLE ON JDAY JJJ
-     (DD MMM YYYY) BEGINNING HHMM ZULU UNTIL JDAY JJJ (DD MMM YYYY) ENDING HHMM ZULU.
- 3.  POC: CIVILIAN - NAVCEN AT (703)313-5900, HTTP://WWW.NAVCEN.USCG.GOV
-     MILITARY - GPS Support Center, DSN 560-2541,
-     COMM 719-567-2541, GPS@SCHRIEVER.AF.MIL, HTTP://WWW.SCHRIEVER.AF.MIL/GPS

**Forecast Delta V**

**Notes:**
Used to forecast outages due to scheduled Delta-Vs.  FCSTDV NANUs are generated by DOUAN.

## NANU Samples

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**NANU Samples**

- NOTICE ADVISORY TO NAVSTAR USERS (NANU) YYYYNNN
- SUBJ: SVNxx (PRNXX) FORECAST OUTAGE JDAY JJJ/HHMM - JDAY JJJ/HHMM
- 1.  NANU TYPE: FCSTDV
-     NANU NUMBER: YYYYNNN
-     NANU DTG: DDHHMMZ MMM YYYY
-     REFERENCE NANU: N/A
-     REF NANU DTG: N/A
-     SVN: XX
-     PRN: XX
-     START JDAY: JJJ
-     START TIME ZULU: HHMM
-     START CALENDAR DATE: DD MMM YYYY
-     STOP JDAY: JJJ
-     STOP TIME ZULU: HHMM
-     STOP CALENDAR DATE: DD MMM YYYY
- 2.  CONDITION: GPS SATELLITE SVNXX (PRNXX) WILL BE UNUSABLE ON JDAY JJJ
-     (DD MMM YYYY) BEGINNING HHMM ZULU UNTIL JDAY JJJ (DD MMM YYYY) ENDING HHMM ZULU.
- 3.  POC: CIVILIAN - NAVCEN AT (703)313-5900, HTTP://WWW.NAVCEN.USCG.GOV
-     MILITARY - GPS Support Center, DSN 560-2541,
-     COMM 719-567-2541, GPS@SCHRIEVER.AF.MIL, HTTP://WWW.SCHRIEVER.AF.MIL/GPS

**Forecast Delta V**

**NANU Description **

**Notes:**
Used to forecast outages due to scheduled Delta-Vs.  FCSTDV NANUs are generated by DOUAN.

## NANU Samples

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**NANU Samples**

- NOTICE ADVISORY TO NAVSTAR USERS (NANU) YYYYNNN
- SUBJ: SVNxx (PRNXX) FORECAST OUTAGE JDAY JJJ/HHMM - JDAY JJJ/HHMM
- 1.  NANU TYPE: FCSTDV
-     NANU NUMBER: YYYYNNN
-     NANU DTG: DDHHMMZ MMM YYYY
-     REFERENCE NANU: N/A
-     REF NANU DTG: N/A
-     SVN: XX
-     PRN: XX
-     START JDAY: JJJ
-     START TIME ZULU: HHMM
-     START CALENDAR DATE: DD MMM YYYY
-     STOP JDAY: JJJ
-     STOP TIME ZULU: HHMM
-     STOP CALENDAR DATE: DD MMM YYYY
- 2.  CONDITION: GPS SATELLITE SVNXX (PRNXX) WILL BE UNUSABLE ON JDAY JJJ
-     (DD MMM YYYY) BEGINNING HHMM ZULU UNTIL JDAY JJJ (DD MMM YYYY) ENDING HHMM ZULU.
- 3.  POC: CIVILIAN - NAVCEN AT (703)313-5900, HTTP://WWW.NAVCEN.USCG.GOV
-     MILITARY - GPS Support Center, DSN 560-2541,
-     COMM 719-567-2541, GPS@SCHRIEVER.AF.MIL, HTTP://WWW.SCHRIEVER.AF.MIL/GPS

**Forecast Delta V**

**Reference Information**

**Notes:**
Used to forecast outages due to scheduled Delta-Vs.  FCSTDV NANUs are generated by DOUAN.

## NANU Samples

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**NANU Samples**

- NOTICE ADVISORY TO NAVSTAR USERS (NANU) YYYYNNN
- SUBJ: SVNxx (PRNXX) FORECAST OUTAGE JDAY JJJ/HHMM - JDAY JJJ/HHMM
- 1.  NANU TYPE: FCSTDV
-     NANU NUMBER: YYYYNNN
-     NANU DTG: DDHHMMZ MMM YYYY
-     REFERENCE NANU: N/A
-     REF NANU DTG: N/A
-     SVN: XX
-     PRN: XX
-     START JDAY: JJJ
-     START TIME ZULU: HHMM
-     START CALENDAR DATE: DD MMM YYYY
-     STOP JDAY: JJJ
-     STOP TIME ZULU: HHMM
-     STOP CALENDAR DATE: DD MMM YYYY
- 2.  CONDITION: GPS SATELLITE SVNXX (PRNXX) WILL BE UNUSABLE ON JDAY JJJ
-     (DD MMM YYYY) BEGINNING HHMM ZULU UNTIL JDAY JJJ (DD MMM YYYY) ENDING HHMM ZULU.
- 3.  POC: CIVILIAN - NAVCEN AT (703)313-5900, HTTP://WWW.NAVCEN.USCG.GOV
-     MILITARY - GPS Support Center, DSN 560-2541,
-     COMM 719-567-2541, GPS@SCHRIEVER.AF.MIL, HTTP://WWW.SCHRIEVER.AF.MIL/GPS

**Forecast Delta V**

**Satellite Identification**

**Notes:**
Used to forecast outages due to scheduled Delta-Vs.  FCSTDV NANUs are generated by DOUAN.

## NANU Samples

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**NANU Samples**

- NOTICE ADVISORY TO NAVSTAR USERS (NANU) YYYYNNN
- SUBJ: SVNxx (PRNXX) FORECAST OUTAGE JDAY JJJ/HHMM - JDAY JJJ/HHMM
- 1.  NANU TYPE: FCSTDV
-     NANU NUMBER: YYYYNNN
-     NANU DTG: DDHHMMZ MMM YYYY
-     REFERENCE NANU: N/A
-     REF NANU DTG: N/A
-     SVN: XX
-     PRN: XX
-     START JDAY: JJJ
-     START TIME ZULU: HHMM
-     START CALENDAR DATE: DD MMM YYYY
-     STOP JDAY: JJJ
-     STOP TIME ZULU: HHMM
-     STOP CALENDAR DATE: DD MMM YYYY
- 2.  CONDITION: GPS SATELLITE SVNXX (PRNXX) WILL BE UNUSABLE ON JDAY JJJ
-     (DD MMM YYYY) BEGINNING HHMM ZULU UNTIL JDAY JJJ (DD MMM YYYY) ENDING HHMM ZULU.
- 3.  POC: CIVILIAN - NAVCEN AT (703)313-5900, HTTP://WWW.NAVCEN.USCG.GOV
-     MILITARY - GPS Support Center, DSN 560-2541,
-     COMM 719-567-2541, GPS@SCHRIEVER.AF.MIL, HTTP://WWW.SCHRIEVER.AF.MIL/GPS

**Forecast Delta V**

**Outage Times**

**Notes:**
Used to forecast outages due to scheduled Delta-Vs.  FCSTDV NANUs are generated by DOUAN.

## NANU Types

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**NANU Types**

-  Unscheduled outages
-  UNUSUFN
-  UNUSABLE
-  UNUNOREF

## NANU Samples

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**NANU Samples**

- 2004021------------------------
- 1.     NANU TYPE: GENERAL
- *** GENERAL MESSAGE TO ALL GPS USERS ***
- GPS Satellite SVN23 (PRN23) was decommissioned from active service on JDAY044 (13 Feb 04) as of 2200z.  PRN23 is available for future satellite vehicles.
- *** GENERAL MESSAGE TO ALL GPS USERS ***

**General**

**Notes:**
Used to send a general information free text general message, which doesn’t fit into the other ten formats.  There is no NANU number.

## NANU Samples

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**NANU Samples**

**Classified**

- Agencies with the proper clearance will receive this NANU.  CLASNANUs will never have a NANU number.  An example of the content of a CLASNANU is a Selective Availability or Anti-Spoof change.

**Notes:**
Used to send similar information as the previous NANUs but the message is classified. 

## NANU Types

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**NANU Types**

-   Others
-  USABINIT
-  LEAPSEC

## NANU Recent Issues

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**NANU Recent Issues**

-   SVN23 & SVN36 FCSTMX outages
-   Required UFN end times
-   Capability does not exist
-   User community not informed if
-    change was made at that time

## NANU Upgraded Capabilities

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**NANU Upgraded Capabilities**

-   FCSTMX NANU end time
-    UFN enabled
-   User community informed NLT
-    1 month prior to implementation
-  GENTEXT NANU

## Summary

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**Summary**

-  2 SOPS NANU
-  History
-  Description
-  Format Samples
-  FCSTMX changes

##  The 2nd Space Operations Squadron

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