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Satcom 4


General


Designation 13035 / 82004A
Launch date 16 Jan 1982
Country of origin United States
Mission Telecommunications
Geostationary orbit 82°W
Launch vehicle Thor Delta #159
Launch site Cape Canaveral

End of life


Out of service yes

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 5.5 W
(6+1) transponders 8.5 W
Bandwidth 36 MHz
Coverage  
EIRP max 37 dBW
Polarization linear H/V
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