Attachment supplement record

This document pretains to SAT-MOD-20020517-00078 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2002051700078_425764

HOGAN & HARTSQN.sived LLB wag 2 9 2005 commnsquiee s rmermmnsmeerm io 9e*" monmoron.vomeeii Gonexrser March 24, 2005 m. conssrsu roiieiiiiaiten P epaaan innommweon BY HAND DELIVERY RECEIVED Ms. Marlene H. Dortch MAR 2 4 2005 Secretary Pederal Communications Commission rodenlConmunizaton Connison 445 12th Street, S.W. . Aweit se Washington, D.C. 20554 Re: Identification of Satellites Co—Located with AMC—12 (File No. SAT—MOD—20020517—00078 et al., Call Sign $2415) Dear Ms. Dortch: Columbia Communications Corporation (‘Columbia®), by its attorneys, hereby provides the report required pursuant to the above—referenced Commission authorization. The Commission on January 28, 2005 granted launch and operational authority for AMC—12 at 37.5° W.L.‘ The terms and conditions of the authorization require that Columbia provide a written statement identifying satellites that will be located at or near the assigned orbital location of AMC—12 and describing the measures that will be taken to preventin—orbit collisions. 1d. at 4 14. AMC—12 will provide follow.on C—band eapacity for Satcom C—1, which currentlyoperates at 37.5° W.L. Loral holds a license to operate its Telstar 11 Ku— band spacecraft at 37.9° W.L. Columbia is not aware of any other FCC— or non— FCC—licensed spacecraft that are operational or planned to be deployed at or near 37.5° W.L. whose stationkeeping volume would overlap with that of AMC—12. Columbia and Loral have discussed joint stationkeeping arrangements at the 37.5° W.L. orbital location. Pursuantto those discussions, Columbia has agreed to seek Commission authority to operate AMC—12 centered at 37.45° W.L. with 0.05 degree stationkeeping tolerance, and Loral has agreed to seek Commission authorityto operate Telstar 11 centered at 37.55° W.L. with 0.05 degree ! Columbia Communications Corporation, Order and Authorization, DA 05—244 (Sat. Div. rel. Jan. 28, 2005) woun mosns 1owon naw aowunit muew maser woscor tono wmnvons murmoee wasax wnun neom soumr cotonsornce 1oswioms

HOGAN&HaRISON tie Ms. Marlene H. Dortch March 24, 2005 Page 2 stationkeeping tolerance.* Assumingauthority for the offset is granted by the Commission, there will be no overlap in the stationkeeping volumes of AMC—12 and Telstar 11. The Massachusetts Institute of Technology‘s Lincoln Laboratories advises Columbia regarding government spacecraft and other objects that approach or might enter an assigned stationkeeping volume of Columbia‘s operational spacecraft. Columbia coordinates either through Lincoln Labs or the other commercial satellite operator with respect to any actions that are appropriate at those times to avoid any risk of collision. Please direct any questions regarding this submission to the undersigned. Respectfully submitted, mt o. hoi Karis A. Hastings Counsel for Columbia Communications Corp. cc: Karl Kensinger Robert Nelson Diane Garfield * Columbia recently filed a request for Special Temporary Authority to operate AMC—12 at 37.45° W.L. (File No. SAT—STA—20050316—00065) and is preparing a modification application to seek permanent assignment of AMC—12 to 37.45" W.L.


Document Created: 2005-03-30 12:11:51
Document Modified: 2005-03-30 12:11:51
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