C-band Transponders
Coverage: 50-state, Caribbean
Narrowband C:
12 Transponders @ 36 MHz, 8.5 watts
Amp Type: Solid State
Wideband C:
6 Transponders @ 72 MHz, 16 watts
Amp Type: Traveling Wave Tube
Variable uplink sensitivity
Amp Redundancy: 7-for-6
Receiver Redundancy: 4-for-2
Beacon Info: 3700.5 V, 4199.5 H
Launch Date: March 11, 1988
Launch Mass: 1195 kg (2635 lbs)
Launch Vehicle: Ariane
Length: 46 feet (arrays deployed)
Expected Lifetime: over 11 years
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Ku-band Transponders
Coverage: East or West CONUS Regions
16 Transponders @ 72 MHz
RF Power: 16 watts
Variable uplink sensitivity
Amp Type: Traveling Wave Tube
Amp Redundancy: 7-for-6
Receiver Redundancy: 2-for-1
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