2010 Annual Satellit

LETTER submitted by SkyTerra Subsidiary LLC

2010 Annual Status Report

2010-06-28

This document pretains to SAT-MOD-19891204-00047 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD1989120400047_825680

June 28, 2010 Via Electronic Filing (IBFS) Ms. Mindel De La Torre Bureau Chief International Bureau Federal Communications Commission 445 12th Street, SW Washington, DC 20054 RE: SkyTerra Subsidiary LLC Annual Status Report Call Signs AMSC-1 and S2358 Dear Ms. De La Torre: Pursuant to Section 25.210(l) of the Commission’s Rules, SkyTerra Subsidiary LLC hereby submits its annual status report for its licensed L-band/Appendix 30B Ku-band satellites.1 Please contact the undersigned with any questions regarding this matter. Very truly yours, /s/ Jeffrey J. Carlisle Vice President, Regulatory Affairs cc: Columbia Operations Center, FCC 1 In August 2004, the Commission decided that L-band Mobile Satellite Service operators are required to submit by June 30th the annual report mandated by Section 25.210(l) of the Commission’s rules applicable to Fixed Satellite Service satellites. See Revision of the Commission’s Rules to Ensure Compatibility With Enhanced 911 Emergency Calling Systems, Second Report and Order, 19 FCC Rcd 16964, n.43 (2004). SkyTerra Subsidiary LLC 10802 Parkridge Boulevard, Reston, VA 20191-4334 T: +1 703 390 2700 www.skyterra.com

SkyTerra Subsidiary LLC Annual Status Report June 1, 2009 to May 31, 2010 Part I: Status of satellite construction and anticipated launch dates. AMSC-1. SkyTerra Subsidiary LLC (“SkyTerra”) was licensed by the Commission in 1989 to construct, launch, and operate a satellite to provide Mobile Satellite Service (“MSS”) using L- band frequencies for service links and Appendix 30B Ku-band frequencies for feeder links.2 SkyTerra launched its satellite, AMSC-1, into orbit at the nominal 101°W orbital location in 1995 and began offering service in 1996. SkyTerra 1 (Call Sign S2358). SkyTerra was licensed by the Commission in May 2005 to launch and operate a next-generation MSS satellite (SkyTerra 1) to replace AMSC-1, using L-band frequencies for service links and Appendix 30B Ku-band frequencies for feeder links.3 The Commission has concluded that SkyTerra has met the contract execution milestone, the critical design review milestone, and the begin physical construction milestone for SkyTerra 1.4 SkyTerra has sought extension of the May 26, 2010 launch and operate milestone for SkyTerra 1, which is scheduled for launch in the August to October 2010 window. See File No. SAT- MOD-20100405-00064 (April 5, 2010). Part II: Non-scheduled transponder outages for more than thirty minutes. None. Part III: Transponder utilization. SkyTerra’s Appendix 30B Ku-band feeder link frequencies on AMSC-1 are used to connect the terrestrial network, such as the public switched telephone/data network, to the satellite, and these transmissions are translated to the L band for communications to and from the MSS terminals. AMSC-1 continues to utilize its Ku-L transponder capability 100% of the time. Part IV: Transponders not available for service or not performing to specifications. There have been no changes to the transponder performance or availability over the past year. 2 See Order and Authorization, 4 FCC Rcd 6041 (1989); remanded by Aeronautical Radio, Inc. v. FCC, 928 F.2d 428 (D.C. Cir. 1991); Final Decision on Remand, 7 FCC Rcd 266 (1992); aff’d, Aeronautical Radio, Inc. v. FCC, 983 F.2d 275 (D.C. Cir. 1993); see also AMSC Subsidiary Corporation, Memorandum Opinion and Order, 8 FCC Rcd 4040 (1993). 3 See Order and Authorization, DA 05-1492 (May 23, 2005). 4 See Public Notice, Report No. SAT-00356, DA No. 06-918 (April 21, 2006); Public Notice, Report No. SAT- 00456, DA 07-2892 (June 29, 2007); Public Notice, Report No. SAT-00465, DA 07-3557 (August 10, 2007). 402031376v1


Document Created: 2010-06-28 16:02:49
Document Modified: 2010-06-28 16:02:49
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