DSCS 3-F13

USA, USAF


Spacecraft n°:

USA satellite n°:

Also called USA 167 or DSCS-3 A-3 (Defense Satellite Communications System)

Launch data:

Designation 27691 / 03008A
Launch date11 Mar 2003 - 00:59 UT
Launch site:CC, SLC-37B
Launch vehicle: Delta-4M (#D296)
MissionMilitary: Communications
Geostationary Orbit:
Perigee / Apogee 35771 x 35802 km
Eccentricity 3.68E-04
Inclination 0.03 deg
Period 1436.12 min


Specifications

Prime contractorLockheed Martin Missiles and Space
Platform 
Operator US Air Force
Mass at launch1156 kg
Dry mass 884 kg
Dimension  
Solar array  
Stabilization 3-axis
DC power BOL: 1700 W
EOL: 1230 W
Design lifetime 10 yrs - still active

Location:

DatePositionRemarks
 April 2010  60.01° E 


Other specifications might be similar to these of the earlier satellites
Super High Frequency (SHF) for U.S. government and military; sophisticated survivability enhancement; worldwide, longhaul coverage; X-band.

Payload


- Six independent Super High Frequency (SHF) transponders and one special purpose single channel transponder operating on both SHF and Ultra High Frequency
- Three receive antennas (two Earth coverage horns, one steerable 61-beam nulling lens)
- Five transmit antennas (two Earth coverage horns, two steerable19-beam wave guide lens, one high gain parabolic gimbaled dish)


Ref: #7, #15(31.05.03), #84, #226 - update: 19.05.10