Technical Parameters

 

 System

Nominal
constellation

Full operational
capability

Number of
operational satellites

Coverage

Civilian Spectrum

GPS

24

1995

30
(January 2010)

Global

Current 2009: L1 C/A, L2C
Future: L1 C/A, L1C, L2C, L5

WAAS

3

IOC/2003
FOC/2008

2

Regional
(North America)

Current: L1C/A, L5
Future: L1C/A, L5

GLONASS

24

1995
(GLONASS)
2010
(GLONASS-M)

24
(December 2010)

Global

Current 2007: L1PT, L2PT
Future: L1PT, L2PT, L3PT*, L1CR*, L2CR*, L5R**

* signal structure is under refinement
** pending final decision

SDCM

2

2014 (expected)

2 geostationary satellites

Wide area
(Russian Federation)

SBAS L1 C/A

 

GALILEO

30 (MEOs)

2014

2 MEOs

Global

E5 OS/SoL
E6 CS/PRS
E1 OS/SoL/PRS

EGNOS

3 (GEOs)

2009 for open service

2010 for safety-of-life service

3 GEOs Regional Current: L1C/A

COMPASS/BeiDou

5 (GEOs)

+ 30 (non GEOs)

2020

6
(January 2010)

Global

1,559.052 ~ 1,591.788 MHz
1,166.22 ~ 1,217.37 MHz
1,250.618 ~ 1,286.423 MHz

GAGAN/IRNSS

3/7

2013/2014

 

Regional

GAGAN: L5, L1 IRNSS: S,L5 and L1

IRNSS: S, L5, L1

MSAS

2 GEOs

 

2 GEOs
(MTSATs)

Asia, Pacific

L1

 

QZSS

1 (1st phase)

3 (2nd phase) 1

 

1
(FY 2010)

Regional
(Asia/Oceania)

L1 C/A, L1C, L2C, L5, L1-SAIF (L1-submeter-class augmentation with integrity function), LEX (L-Band Experimental Signal)

1 The QZSS plan will basically proceed to the 2nd stage on government-private cooperation, after the evaluation of the results of technological verifications and demonstrations of the 1st stage

Copyright ©2017 UNOOSA, All Rights Reserved