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Directv 7S


Also called DTV 7S and DBS 7S, S2455

General


Designation 28238 / 04016A
Launch date 5 May 2004
Country of origin United States
Mission Direct TV
Geostationary orbit 119°W
Launch vehicle Zenit Sea Launch #13

Was originally planned on Ariane but was transferred to Sea Launch under their backup plan.

Tested from 129°W

External resources


sat-index articles


Technical data


Lyngsat transponder loading



Specifications


Prime contractor SS/L
Platform FS-1300
Mass at launch 5483 kg
Mass in orbit  
Dimension  
Solar array  
Stabilization 3-axis
DC power BOL: 13000 W
Design lifetime 15 years


Ku-band (12.2-12.7 GHz)


Main transponders 37 spot-beam transp.
7 national transp.
Backup transponders  
Power  
Bandwidth 24 MHz
Coverage Conus, Alaska, Hawaii with multiple spot beams
EIRP max  
G/T max  
Polarization LHCP & RHCP
Frequencies uplink: 17.300-17.800 GHz
downlink: 12.200-12.700 GHz

In one operating mode, the new satellite will be capable of providing up to 54 transponders for high-quality local and national digital video service broadcast into 27 beams. In its other configuration, the satellite will be capable of providing up to 44 transponders broadcast into 30 beams.

Ku-band DBS US frequency chart

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