Attachment letter

letter

REPLY submitted by contactMEO

letter

2005-05-12

This document pretains to SAT-AMD-20040322-00057 for Amended Filing on a Satellite Space Stations filing.

IBFS_SATAMD2004032200057_434782

6017 Woodley Road RECEIVED MeLean, VA 22101 May 12, 2005 MAY 1 2 2005 Eyuanp DELIVE RY: FadualConnunicaton Connissen Te Ms. Marlene Dortch H\%TVSH" Secretary c Federal Communications Commission MAY 1 6 2005 445 12" Street, — S.W. Poi ranch Washington, DC 20554 momaiongd Bureau Re: Application of contactMEO Communications, LLC, File Nos. SAT—AMD—200040322—00057, Callsign S2346 Dear Ms. Dortch: contactMEO Communications, LLC (*@contact"), by its attomey, hereby responds to the fetter of April 27, 2005 ("April 27 Letter®) from the Chief of the Enginecring Branch of the Satellte Division of the Commission‘s International Bureau ("Bureau"). In its April 27 Lettr, the Bureau notes thatthe orbital parameters of@contact‘s proposed system are identical to the orbital parameters provided by Northrop Grumman Space & Mission System Corporation (°NGST")in its NGSO FSS Ka—band system application. The Bureau, concerned about the possibility of in—orbit coilisions between the HEO satellites of the two systems, requests a writen explanation of the measures @contact intends to take to avoid such collisions. It further asks for information regarding the steps that have been taken toward coordination between the two systems, as well a the likelihood of successful coordination of physical operations. @contact intends t rely on coordination between the NGST and @contact systems to assure thati—orbit collisions will not occur. The two parties had a number of technical discussions prior to March2004 regarding the use of HEO satellites with essentially identical orbital parameters. It was these discussions that led to the orbital parameters contained in the pending amended applications of both @contact and NGST. These parameters were chosen to maximize use of the available spectrum and allow both systems to operate on a full—time basis. OFeourse, @contact fully expects to continue to engage in coordination discussions with NGST to ensure that the two systems* operations are physically compatible.. However,it should be noted that the nature ofthe system designs should assure that there is no potential for in—orbit collisions between any @contact and NGST HEO satellites." In any event, @contact and NGST wili coordinate their systems® orbital parameters as necessary to ensure that the satelltes ofthe second of the systems to launch will be spaced sufficiently from the satelites of th firs—launched system to avoid in—orbit collisions. ! Details regarding technical data are contained in NGST‘s response to a lette similar to the Bureau‘s April 27 Letter. To the extent necessary, these data are incorporated by reference.

Ms. Marlene Dortch May 12, 2005 Page—2— @contact trusts that the foregoing satisfies the Bureau‘s requests in its April 27 Leter. If there are any questions or ifany further information is needed, please do not hesitate to contact the undersigned. Respectfull ubmmed 2 TaéZ Ja.mcsM Z Attorneyfor contactMEO Communications, LLC ce: Robert Nelson, IB Kal Krautkramer, IB


Document Created: 2005-05-18 16:14:28
Document Modified: 2005-05-18 16:14:28
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