DBS 1R

USA

Spacecraft nº:

USA spacecraft nº:

Later renamed DirecTV-1R, also called DTV 1R

Launch data:

Designation	25937 / 99056A
Launch date	10 Oct 1999
Launch site	Odyssey, POR
Launch vehicle	Zenit-3SL
Mission	Commercial: Direct TV
Geostationary orbit:
Perigee / Apogee	35778 x 35795 km
Eccentricity	2,02E-04
Inclination	0.03 deg
Period	1436.1 min

DBS 1 would then move to 110°W
delivered in orbit, tested at 81.6°W

Spacecraft data:

Prime contractor	Hughes Electronics Corp.
Platform	Hughes HS-601HP
Operator	DirecTV, Inc
Mass at launch	3420 kg
Dry Mass	2304 kg
Dimension	2.7 x 3.6 x 4 m
Solar array	26 m span, dual-junction gallium arsenid
Stabilization	3-axis
DC power	BOL: 8700 W EOL: 7700 W
Design lifetime	15 years - Still active

Location:

Date	Position	Remark
	101° W
2005	100.9° W
Oct 1, 2009	72.48° W

End of live:

Out of service:	31 July 2012 Returned active on Dec 2012
Cause:

External links:

Satellite tracking:
Real time satellite tracking

XIPS propulsion. 2 transmit antennas (2.71 m diameter) and 1 receive antenna (1.37 m diameter)

beacons: 12.69525 & 12.69925 GHz

Ku-band (12.2-12.7 GHz)

Main transponders	16
Backup transponders	4
Power	200 W (MPAs, 2 x 100 W TWTAs)
Bandwidth
Coverage	Conus, Alaska, Hawaii
EIRP max	55 dBW
G/T max
Polarization

First commercial launch by Sea Launch consortium (American, Russian, Ukrainian companies); 16 Ku-band; video channels directly to home-based dishes; anticipated 50 million homes in North America.

Ref.: #7, #226, #228 - update: 19.02.14

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