Comstar 2

USA

Also called: Comstar 1B

Launch data:

Designation	09047 / 76073A
Launch date	22 Jul 1976
Launch site	CC, LC-36B
Launch vehicle	Atlas-SLV3D Centaur-D1AR (AC-40)
Mission	Communications
Geostationary orbit	94°W

End of life

Out of service

yes

Specifications

Prime contractor	Hughes
Platform	HS-351
Mass at launch	1516 kg
Mass in orbit	911 kg
Dimension	2.38 m diameter x 6.34 m height
Stabilization	Spin stabilized (56 rpm)
DC power	BOL:570 W
Design lifetime	10 years

Equipped with two Ka-band beacons for propagation research (19 and 28.6 GHz).

C-band

Main transponders	24
Backup transponders
Power	Horizontal: 5 W (TWTA) Vertical: 5.5 W (TWTA)
Bandwidth	36 MHz
Coverage	CONUS
EIRP max	33 dBW
Polarization	linear H/V

Ref.: #15 - update: 10.07.08