Attachment Letter

Letter

LETTER submitted by Inmarsat

Letter: Clarification Related to Emissions Designator

2008-04-10

This document pretains to SES-LIC-20080306-00242 for License on a Satellite Earth Station filing.

IBFS_SESLIC2008030600242_635739

                                                                             Inmarsat Inc.
                                                            1101 Connecticut Avenue, NW
                                                                               Suite 1200
                                                             Washington DC 20036 USA




Ms. Marlene H. Dortch
Secretary
Federal Communications Commission
445 12th Street, S.W.
Washington, D.C. 20554

                                                        April 10, 2008

Re:    SES-LIC-20080306-00242
       Clarification Related to Emissions Designator

Dear Ms. Dortch:

        I am writing on behalf of Inmarsat Hawaii Inc. to clarify two issues in the
above-referenced application with respect to an emission designator (i.e., 20M0X2D)
listed on the Form 312, Schedule B on pages 14-15 and 21-22 in column E47.

       First, the emissions designator in the Schedule B includes the letter “O”
(“20MOX2D”), which is a typographical error. It should be the integer “0” (zero).
Second, the 20M0X2D carrier designation represents the Inmarsat navigation carrier.
The signal is BPSK modulated by a spread spectrum ranging code and navigation
message. The letter X represents the type of modulation of the carrier, which is a type
not described in Section 2.201(c) of the Commission’s rules.

       Please do not hesitate to contact the undersigned at 202-248-5155 with any
questions about this letter.

                                                    Respectfully submitted,

                                                           /s/
                                                    Diane Cornell
                                                    Director, Inmarsat Hawaii Inc.


cc: Shahnaz Ghavami, International Bureau



Document Created: 2008-04-16 11:52:52
Document Modified: 2008-04-16 11:52:52

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