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Space


Wideband Gapfiller System

General Characteristics
Primary Function
High capacity military communications satellite
Primary Contractor
Boeing Satellite Systems
Satellite Bus
Boeing 702
Weight
~12,000 lbs at launch,
~10,000 lbs on-orbit
Orbit altitude
22,300 miles
Payload
Transponded and cross-banded
X-and Ka-band communications suite
Antennas
8 beam, transmit and receive X-band Phased arrays
10 Ka-band Gimbaled Dish Antennas
1 X-band Earth coverage
Capability
96 125Mhz Channels via digital channelizer
Launch vehicle
Delta IV & Atlas V EELVs
Inventory
3 on contract, 2 more planned
Unit cost
Approximately $300 million
Control
SGLS, USB, and in-band (X, Ka) control



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