Inmarsat 63 WL Suppl

SUPPLEMENT submitted by Inmarsat Hawaii Inc.

Clarification/Supplement

2014-06-20

This document pretains to SAT-LOI-20140326-00034 for Letter of Intent on a Satellite Space Stations filing.

IBFS_SATLOI2014032600034_1051574

                                                                 1101 Connecticut Avenue, N.W.
                                                                                     Suite 1200
                                                                       Washington, D.C. 20036
                                                                                  202.248.5158

June 20, 2014


VIA ELECTRONIC FILING


Ms. Marlene H. Dortch
Secretary
Federal Communications Commission
445 12th Street, SW
Washington, DC 20554

                Re:   Supplemental Submission of Inmarsat Hawaii Inc. to Letter of Intent
                      Application, IBFS File No. SAT-LOI-20140326-00034, Call Sign S2923

Dear Ms. Dortch:

         Inmarsat Hawaii Inc. hereby supplements the above-referenced application to clarify
certain technical information provided in Schedule S. As demonstrated by the link budget tables
embedded in S13(g) of the Schedule S, the clear sky maximum is within the limits set forth in
Section 25.138(a) of the Commission’s rules, which specifies that the limits must be met under
clear sky conditions. 1 The higher maximum power level for faded conditions embedded in
S13(g) also is consistent with Section 25.138(a). The maximum transmit power for typical
emissions from planned earth stations indicated in the second and fourth rows of S13 column (k)
(i.e., 23 dBW and 10.5 dBW, respectively) also reflect faded conditions.

       If you have any questions regarding this submission, please feel free to contact the
undersigned.

                                             Respectfully submitted,

                                                     /s/

                                             Christopher J. Murphy
                                             Vice President, Government Affairs




1
       47 C.F.R. § 25.138(a).



Document Created: 2014-06-20 13:28:08
Document Modified: 2014-06-20 13:28:08

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