QZSS Updates
Dinesh ManandharCenter for Spatial Information Science
The University of Tokyo
Contact Information: dinesh@iis.u-tokyo.ac.jp
Training on GNSS – Course (T151-30), Organized by: GIC/AIT, CSIS/UT and ICG, held at: GIC/AIT, Thailand from 14 – 18 JAN 2019
Dinesh Manandhar, CSIS, The University of Tokyo, dinesh@iis.u-tokyo.ac.jp

Slide : 1

1. System Overview
Functional Capability:
GPS Complementary
GNSS Augmentation
Messaging Service
Coverage: Asia and Pacific region
Signals(QZS-1):
L1C/A, L1C, L2C and L5
L1S (L1-SAIF) on 1575.42 MHz
L6 (LEX) on 1278.75MHzL1Sb will be added as SBAS from 2020’s

Training on GNSS – Course (T151-30), Organized by: GIC/AIT, CSIS/UT and ICG, held at: GIC/AIT, Thailand from 14 – 18 JAN 2019
Dinesh Manandhar, CSIS, The University of Tokyo, dinesh@iis.u-tokyo.ac.jp

2Slide : 2

1. QZSS Overview
Japan Region
・Over 20 degrees elevation
More than 2-QZS are available
・Over 60 degrees elevation
1 QZS is available

Functional Capability:
GPS Complementary
GNSS Augmentation
Messaging Service
Coverage: Asia and Pacific region

Equator1 Geostationary satellite
Four satellites constellation will be established and the service will start in 2018.
Training on GNSS – Course (T151-30), Organized by: GIC/AIT, CSIS/UT and ICG, held at: GIC/AIT, Thailand from 14 – 18 JAN 2019
Dinesh Manandhar, CSIS, The University of Tokyo, dinesh@iis.u-tokyo.ac.jp

3Slide : 3

QZSS Visibility Time
・・・QGEOTOKYO・・・QGEO

SINGAPORE

・・・QGEO
・・・QGEOBANGKOKSYDNEY

Ref. : IS-QZSS v1.7, JAXA, 7 Jul. 2016

Training on GNSS – Course (T151-30), Organized by: GIC/AIT, CSIS/UT and ICG, held at: GIC/AIT, Thailand from 14 – 18 JAN 2019
Dinesh Manandhar, CSIS, The University of Tokyo, dinesh@iis.u-tokyo.ac.jp

4Slide : 4

Positioning Signal of QZSS (as of Nov. 2016)
Positioning Signal of QZSSNot only positioning complementation signal, but satellite orbit, time, and ionospherecorrection information will be also transmitted as augment information.
1st Satellite

L1C/A
L1C
L1S
L2C

1575.42MHz
1227.60
MHzL5

Positioning
Positioning
Augmentation(SLAS)
Message Service

QZO

GEO○○○○○○○○○○○○

complement GPS○○○

complement GPS○○○ー○○○○○

SBAS－－○L61278.75
MHz

L1Sb

1575.42

Augmentation

L5S

QZO

Positioning
Positioning
Augmentation
Experimental
Use
Augmentation(CLAS)

1176.45
MHzcomplement GPScomplement GPS

2nd-4th Satellite

SBAS Service will be available from the beginning of 2020’s.
Training on GNSS – Course (T151-30), Organized by: GIC/AIT, CSIS/UT and ICG, held at: GIC/AIT, Thailand from 14 – 18 JAN 2019
Dinesh Manandhar, CSIS, The University of Tokyo, dinesh@iis.u-tokyo.ac.jp

5Slide : 5

QZSS Program Schedule (Update)Japanese
Fiscal Year

H27（2015）

H28

H29

H30（2016)（2017）(2018)

H31

H32(2019) (2020)H33

H34

H35～

(2021)(2022)(2023～)

Post-Michibiki
Launch （Prospect）

1st Michibiki

In-Operation

QZSS
4-Sat.
Constellation

Launch No.2,3,4

Service

SBAS Service

QZSS
7-Sat.
Constellation

Development / Design (Additional 3 Sats.)

Service

SBAS Service will be available from 2020’s under Ministry of Land, Infrastructure, Transport and Tourism jurisdiction.
Training on GNSS – Course (T151-30), Organized by: GIC/AIT, CSIS/UT and ICG, held at: GIC/AIT, Thailand from 14 – 18 JAN 2019
Dinesh Manandhar, CSIS, The University of Tokyo, dinesh@iis.u-tokyo.ac.jp

6Slide : 6

QZSS was Declared Operational on 1st NOV 2018

Declaration Ceremony of QZSS Operation

http://qzss.go.jp/events/ceremony_181105.html

Training on GNSS – Course (T151-30), Organized by: GIC/AIT, CSIS/UT and ICG, held at: GIC/AIT, Thailand from 14 – 18 JAN 2019
Dinesh Manandhar, CSIS, The University of Tokyo, dinesh@iis.u-tokyo.ac.jp

Slide : 7

QZSS Satellites
PRN

SVN

Satellite

Launch Date(UTC)

Orbit (*1)

193
183
193

Positioning Signals

J001

QZS-1

2010/9/11

QZO

L1S
L6J002

QZS-2

2017/6/1

L1S
L5S
L6

QZO

RB

L1C/A, L1C, L2C, L5

J003

QZS-3

2017/8/19

L1S
L5S
L1Sb
L6Sr/Sf

GEO

195

185
200
195

RB

L1C/A, L1C, L2C, L5189
197
187
199
-Clock(*2)

L1C/A, L1C, L2C, L5

194
184
196
194
199

http://qzss.go.jp/en/technical/satellites/index.html

RB

L1C/A, L1C, L2C, L5
J004

QZS-4

2017/10/9

QZO

L1S
L5S
L6RB

Training on GNSS – Course (T151-30), Organized by: GIC/AIT, CSIS/UT and ICG, held at: GIC/AIT, Thailand from 14 – 18 JAN 2019
Dinesh Manandhar, CSIS, The University of Tokyo, dinesh@iis.u-tokyo.ac.jp

Slide : 8