Attachment Notification

Notification

LETTER submitted by Mobile Satellite Ventures Subsidiary LLC

Notification

2007-07-16

This document pretains to SES-MOD-20020906-01535 for Modification on a Satellite Earth Station filing.

IBFS_SESMOD2002090601535_578411

Mb MSV e Satellite Ventures LP ORIGINAL July 16, 2007 Via Hand Delivery Ms. Marlene H. Dortch Secretary Federal Communications Commission 445 12th Street, SW. Washington, D.C. 20554 Re: Mobile Satellite Ventures Subsidiary LLC RECEIVED Notification of Inclined Orbit Operation for MSAT—1 £930124, £940374, £930367, E980179, and E990133 JUL 1 7 2007 Satellite Dwigsion Dear Ms. Dortch: International Bureau Mobile Satellite Ventures Subsidiary LLC ("MSV*"), the licensee of the above—referenced fixed and mobile earth station authorizations to communicate with MSAT—1,‘ hereby notifies the Commission that MSAT—1 commenced operation in inclined orbit on July 1, 2007. See 47 C.FR. § 25.280. Attached hereto is a letter from Mobile Satellite Ventures (Canada) Inc., the operator of MSAT—1, providing the information required in Section 25.280 of the Commission‘s rules. Please contact the undersigned with any questions regarding this matter. Very truly yours, Wfl%fl /4 JeGhifer AFManner Vice President, Regulatory Affairs MOBILE SATELLITE VENTURES SUBSIDIARY LLC 10802 Parkridge Boulevard Reston, Virginia 20191 {(703) 390—2700 ce: Robert Nelson Karl Kensinger ‘ MSAT—1 is a foreign—licensed, geostationary orbit Mobile Satellite Service satellite located at 106.5°W and authorized to provide service into the U.S.

umm rmmmmmmenan es AZ ues Mn Ee m 2o 0 zenTo ES s Eoi 22 e es Es 2e2 es mes senemeims inmmeminsmmmmmm Mobile Satellite Ventures (Canada) inc. July 16, 2007 Via Electronic Mail Jennifer A. Manner Vice President, Regulatory Affairs Mobile Satellite Ventures Subsidiary LLC 10802 Parkridge Boulevard Reston, Virginia 20191 Re: Inclined Orbit Operation of MSAT—1 Dear Ms. Manner: On behalf of Mobile Satellite Ventures (Canada) Inc. ("MSV Canada"), provided below is the information required by Section 25.280(a) of the Commission‘s rules and an acknowledgement of our understanding of the requirements of Section 25.280(b) of the Commission‘s rules. Information required under Section 25.280(a) of the Commission‘s Rules: (1) The operator‘s name: Mobile Satellite Ventures (Canada) Inc. (2) The date of commencement of inclined orbit operation: July 1, 2007 (3) The initial inclination: Approximately 0.05° (4) The rate of change in inclination per year: Approximately 0.9° per year (5) The expected end—of—life of the satellite accounting for inclined orbit operation: Beyond January 1, 2015 Requirements specified in Section 25.280(b) of the Commission‘s rules: (1) MSV Canada will periodically correct the satellite attitude to achieve a stationary spacecraft antenna pattern on the surface of the Earth and centered on the satellite‘s designated service area. Mobile Satellite Ventures (Canada) Inc. 1601 Telesat Court, Oftawa, Ontaric K1B 5P4

(2) MSV Canada will control all interference to adjacent satellites, as a result of operating in an inclined orbit, to levels not to exceed that which would be caused by the satellite network operating without an inclined orbit. (3) MSV Canada will not claim protection in excess of the protection that would be received by the satellite network operating without an inclined orbit. (4) MSV Canada will continue to maintain its satellite at its authorized longitude orbital location in the GSO satellite arc with the appropriate east—west station— keeping tolerance. Please feel free to contact the undersigned with any questions regarding this matter. Very truly yours, EBsar— AAX—— Bahman Azarbar Vice President, Regulatory Affairs Mobile Satellite Ventures (Canada) Inc.


Document Created: 2007-07-18 09:39:45
Document Modified: 2007-07-18 09:39:45
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