SBS 5

USA


Also called HGS 5

Launch data:

Designation 19484 / 88081B
Launch date 08 Sep 1988
Launch site Ko, ELA-2
Launch vehicle:Ariane-3 (V25)
MissionTelecommunications
Geostationary orbit:
Location 123°W

Should retire in 2000.

End of life

Out of service Mar 2000
Cause retired, replaced by Galaxy 10R

Might still be in used by HGS???

Specifications

Prime contractor Hughes
Platform HS-376
Mass at launch 1241 kg
Mass in orbit 540 kg
Diameter 2.16 m
Height 2.82 m (6.6 m stowed)
Stabilization Spin stabilized
DC power 1100 W
Design lifetime 10 years


Ku-band

Main transponders 14
Backup transponders  
Power 4 H transponders: variable 20-40 W (TWTA)
6 H transponders: 20 W (TWTA)
4 V transponders: variable 20-40 W (TWTA)
Bandwidth H transponders: 43 MHz
V transponders: 110 MHz
Coverage CONUS
EIRP max 46 dBW
Polarization linear H/V

SBS 5 might also have coverage for Hawaii and Alaska, but this is unconfirmed.

Transponder frequency chart (GHz)

Horizontal
Uplink
Horizontal
Downlink
Transponder Vertical
Downlink
Vertical
Uplink
  11.725   14.025
  11.780   14.080
  11.823   14.123
  11.872   14.172
  11.921   14.221
  11.970   14.270
  12.019   14.319
  12.068   14.368
  12.117   14.417
  12.166 10   14.466
14.048   11 11.748  
14.198   12 11.898  
14.294   13 11.994  
14.441   14 12.141  


Ref: #15 - update: 24.10.04