Satcom 3R
General
| Designation | 12967 / 81114A |
| Launch date | 20 Nov 1981 |
| Country of origin | United States |
| Mission | Telecommunications |
| Geostationary orbit | 131°W |
| Launch vehicle | Thor Delta #158 |
| Launch site | Cape Canaveral |
End of life
| Out of service | yes |
External resources
sat-index articles
Technical data
Specifications
| Prime contractor | GE Astro Space |
| Platform | GE-3000 |
| Mass at launch | 1070 kg |
| Mass in orbit | approx. 600 kg |
| Length | 1.6 m |
| Width | 1.27 m |
| Height | 1.29 m |
| Solar array | 11.2 m span |
| Stabilization | 3-axis |
| DC power | |
| Design lifetime | 10 years |
C-band
| Main transponders | 18+6 |
| Backup transponders | 3+1 |
| Power |
(18+3)
transponders of 5.5 W (6+1) transponders of 8.5 W |
| Bandwidth | 36 MHz |
| Coverage | |
| EIRP max | 37 dBW |
| Polarization | linear H/V |
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V0.146 - Converted on Sun, 08 Sep 2024 16:27:17 GMT - Updated quarterly
V0.146 - Converted on Sun, 08 Sep 2024 16:27:17 GMT - Updated quarterly