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Revision as of 07:58, 22 March 2011

Artist impression of Optus C1, built on the LS-1300 platform[1]

The 1300 series platform is an orbital satellite platform produced by Space Systems/Loral. Total broadcast power ranges from 5 to 25 kW, and the platform can accommodate from 12 to 150 transponders.[2]

First available in the late 1980s, the FS-1300 platform underwent revision multiple times over its design life, all the while remaining a popular communications platform.[3] The earliest models provided 5,000 RF watts of transmitter power, weighed 5,500 kg, and required a 4-meter diameter launch fairing. Newer models provide double that, approximately 10,000 RF watts of transmitter power, weigh 6,700 kg, and require a 5-meter diameter launch fairing.[4]

Deployed units

Western Hemisphere

Location Satellite Source Operator Type Coverage Launch date/rocket (GMT) All locations Remarks As of
129.0°W Galaxy-27 US Intelsat Television broadcasting & Satellite Internet Access 25 September 1999, Ariane 44LP Formerly known as IA-7 and Telstar-7 2008-11-20
123.0°W Galaxy-18 US Intelsat Television and radio broadcasting North America 21 May 2008, Zenit-3SL Hybrid C/Ku-band satellite 2008-11-19
121.0°W Galaxy-23 US Intelsat Direct Broadcasting North America 7 August 2003, Zenit-3SL Hybrid C/Ku/Ka-band satellite; C-band payload referred to as Galaxy-23 2008-11-26
EchoStar-9 US Echostar/DISH Network Direct Broadcasting North America 7 August 2003, Zenit-3SL Hybrid C/Ku/Ka-band satellite; Ku/Ka-band payload referred to as EchoStar-9 2008-11-26
119.0°W DirecTV-7S US DirecTV Direct Broadcasting 54 Ku-band transponders[5] 4 May 2004, Zenit-3SL 8 active transponders at this time 2008-11-26
110.0°W EchoStar-11 US Echostar/DISH Network Direct Broadcasting 17 July 2008, Zenit-3SL 2008-11-19
DirecTV-5 US DirecTV Direct Broadcasting 7 May 2002, Proton 32 Ku-band transponders
101.1°W DirecTV-9S US DirecTV Direct Broadcasting 13 October 2006, Ariane 5-ECA
97.0°W Galaxy-19 US Intelsat Television and Radio Broadcasting 24 C- and 28 Ku-band transponders North America 24 September 2008, Zenit-3SL 2008-11-20
77.0°W EchoStar-8 US Echostar/DISH Network Direct Broadcasting 21 August 2002, Proton 110°W[6] 2008-11-19
72.7°W EchoStar-6 US Echostar/DISH Network Direct Broadcasting 14 July 2000, Atlas IIAS 2008-11-19

Eastern Hemisphere

Location Satellite Source Operator Type Coverage Launch date/rocket (GMT) All locations Remarks As of
68.5°E Intelsat 7 ESA 16 September 1998, Ariane 44LP
166.0°E Intelsat 8 US 4 November 1998, Proton-K

In transit

En route to Satellite Source Operator Type Coverage Launch date/rocket (GMT) Previous locations Remarks As of
93.1°W Galaxy-25 US 24 May 1997, Proton-K formerly Telstar 5 2008-11-20

Failures

Satellite Operator Detail Failure Date
Echostar 5 Echostar Dual momentum wheel failures.[7] 2001-07 and 2003–12
Echostar 6 Echostar Partial thruster failure. 2001
Telstar 14 Loral Skynet do Brazil Solar panel deployment failure. 2004
GOES 9 NOAA Momentum wheel problems. 1998
PAS 6 PanAmSat Total power loss. 2004-03-17 and 2004-04-01
Intelsat 7 Intelsat Partial power loss. 2001-09-06
Galaxy 26 Intelsat Control processor failure. 2001
Galaxy 27 Intelsat Electrical failure. 2004-11-28.
DirecTV 6 DirecTV Solar flare damage. 1997-04

References

  1. ^ "About Optus - Satellite Network". Optus.
  2. ^ "1300 Series Satellite Platform". Space Systems/Loral.
  3. ^ "FS-1300". Encyclopedia Astronautica.
  4. ^ "Space Service Loral (SSL): LS-1300". Gunter's Space Page.
  5. ^ "Space Systems/Loral-Built DIRECTV 7S Satellite Successfully Launched". Space Systems/Loral.
  6. ^ "EKB: Echostar Satelites". Echostar Knowledge Base.
  7. ^ "Spacecraft Digest - Echostar 5". Analytical Graphics, Inc. (AGI).