|
GPS 2-1 suffered a shutdown
of its onboard reaction wheels on March 26, 2000. The satellite was
decommissioned on April 14, 2000 and replaced by GPS 2R-4.
| GPS
2-1
|
|
Satellite
|
| Int'l Designation |
1989
013A
|
Retired
|
| Owner / Sponsor |
USAF
|
| Mission |
Navigation
|
| Constellation /
Block |
NAVSTAR
GPS / Block
II
|
| Launch Mass |
1816
kg (4002 lbm)
|
| Dimensions, stowed |
|
| Mission Orbit |
MEO /
20,200 km (10, 900 nmi)
|
55°
|
| Transponders |
2
L-band
1 S-band
|
| Design Life |
7.5
years
|
| Power (EOL) |
0.710
kW
|
| Other names |
SVN
14
|
| Service History |
Unusable
1992 Aug 29 2030 UTC to 1992 Sep 01 1425 UTC due to the
failure of its operational frequency standard and change to
its second Cs frequency standard
Unusable 2000 Jan 26 0130 UTC to 2000 Feb 03 1816 UTC due to
change in operational frequency standard from Cs to Rb
Set unusable 2000 Mar 26 2348 UTC and will not return to
service
|
| End-of-Service Date |
2000
Mar 26 2348
|
| De-orbit Date |
|
|
Launch
|
| Launch Vehicle
Model |
Delta
II 6925 |
| Date / Time (UTC) |
1989
Feb 14
|
18:30
|
|
Financial
|
| Satellite cost |
|
| Web Links |
|
|
