DBS 1R

Later renamed Directv 1R, also called DTV 1R
Call Sign S2369

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General

Designation	25937 / 99056A
Launch date	10 Oct 1999
Country of origin	United States
Mission	Direct TV
Geostationary orbit	see below
Launch vehicle	Zenit Sea Launch

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Location

Begin	End	Position
L: 10 Oct 1999	Nov 1999	81.6°W
Nov 1999	Aug 2002	101.2°W
Aug 2002	Mar 2007	100.85°W
Apr 2007	Jan 2012	72.5°W
Mar 2012	Sep 2012	109.8°W
Jan 2013	Apr 2014	55.8°E (replaced Bonum 1)

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End of life

Out of service	May 2014
Cause	Sent to junk orbit

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External resources

sat-index articles

Technical data

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Lyngsat transponder loading

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Specifications

Prime contractor	Hughes
Platform	HS-601HP
Mass at launch	3420 kg
Mass in orbit	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

XIPS propulsion. 2 transmit antennas (2.71 m diameter) and 1 receive antenna (1.37 m diameter). The primary XIPS system has failed.

TT&C: downlink: 12.69525 & 12.69925 GHz
uplink: 17.305 MHz and 17.799 GHz

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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	LHCP & RHCP

Ku-band DBS US frequency chart

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