MSAT




MSAT, short for Mobile Satellite, is a satellite-based mobile telephony service developed by the National Research Council of Canada. Supported by a number of companies in the US and Canada, MSAT hosts a number of services, including the broadcast of CDGPS signals. The MSAT satellites were built by Hughes (now owned by Boeing) with a 3 kilowatt solar array power capacity and sufficient fuel for a design life of twelve years. TMI Communications of Canada referred to its MSAT satellite as MSAT-1, while American Mobile Satellite Consortium (now Ligado Networks) referred to its MSAT as AMSC-1, with each satellite providing backup for the other.




Contents






  • 1 History


  • 2 Phaseout


  • 3 Services Delivered via MSAT


  • 4 See also


  • 5 References


  • 6 External links





History



  • April 7, 1995 - MSAT-2 (a.k.a. AMSC-1) launched from Cape Canaveral, Launch Complex 36, Pad A, aboard Atlas IIA[1]

  • May 1995 - testing causes overheating and damage to one of eight hybrid matrix amplifier output ports aboard MSAT-2[2]

  • April 20, 1996 - MSAT-1 launched from Kourou, French Guiana aboard Ariane 42P[3][4]

  • May 15, 1996 - Reported failures of two solid state power amplifiers (SSPAs) and one L-band receiver on separate occasions aboard MSAT-2.[2]

  • May 4, 2003 - MSAT-1 loses two power amplifiers.[5]



Phaseout


MSAT-1 and MSAT-2 have had their share of problems. Mobile Satellite Ventures placed the AMSC-1 satellite into a 2.5 degree inclined orbit operations mode in November 2004, reducing station-keeping fuel usage and extending the satellite's useful life.[6]


On January 11, 2006, Mobile Satellite Ventures (MSVLP) (now LightSquared) announced plans to launch a new generation of satellites (in a 3 satellite configuration) to replace the MSAT satellites by 2010. MSV has said that all old MSAT gear would be compatible with the new satellites.[7][8]



  • MSV-1 (U.S.)

  • MSV-2 (Canada)

  • MSV-SA (South America)



Services Delivered via MSAT


The following services are singularly dependent upon the continued operation of the MSAT satellite:




  • CDGPS - a differential correction signal system for improved GPS navigation accuracy

  • Trailer Tracking - by SkyWave Mobile Communications

  • Trailer Tracking - by SkyBitz

  • EMERGNET - by Glentel



See also



  • Mobile-satellite service

  • Satellite phone



References




  1. ^ "Florida Today Space and Missile Launch Database". Archived from the original on 2007-03-17. Retrieved 2006-11-26..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output .citation q{quotes:"""""""'""'"}.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-maint{display:none;color:#33aa33;margin-left:0.3em}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}


  2. ^ ab "AMERICAN MOBILE SATELLITE CORPORATION AND SUBSIDIARIES: Form 10-Q". 2006-05-14. Archived from the original on 2007-09-30. Retrieved 2006-11-27.


  3. ^ "MSAT-1 TO LAUNCH APRIL 20TH". Archived from the original on 2006-06-24. Retrieved 2006-11-26.


  4. ^ "Boeing: Chronology of Launches". Archived from the original on 2006-12-07. Retrieved 2006-11-26.


  5. ^ "Service Outage - November 30, 2003" (PDF). Archived from the original (PDF) on 2007-09-28. Retrieved 2006-11-26.


  6. ^ "MOTIENT CORP, Form S-1, Filing Date Nov 3, 2005". secdatabase.com. Retrieved May 14, 2018.


  7. ^ "Mobile Satellite Ventures Engages Boeing To Develop Next Generation Satellites". Archived from the original on 2006-11-14. Retrieved 2006-11-26.


  8. ^ "Company Fact Sheet: Investor/Financial". Archived from the original on 2006-11-14. Retrieved 2006-11-26.



External links



  • Mobile Satellite Ventures

  • Mobile Satellite System for Canada, U.S.

  • Mobile Satellite Systems









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