Response to Request

SUPPLEMENT submitted by ISAT US Inc.

Response to Request for Additional Information

2014-11-17

This document pretains to SES-AMD-20140715-00601 for Amended Filing on a Satellite Earth Station filing.

IBFS_SESAMD2014071500601_1069110

                                                              555 Eleventh Street, N.W., Suite 1000
                                                              Washington, D.C. 20004-1304
                                                              Tel: +1.202.637.2200 Fax: +1.202.637.2201
                                                              www.lw.com

                                                              FIRM / AFFILIATE OFFICES
                                                              Abu Dhabi       Milan
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                                                              Brussels        New York
November 17, 2014                                             Chicago         Orange County
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Ms. Marlene H. Dortch                                         Hong Kong       Shanghai
                                                              Houston         Silicon Valley
Secretary                                                     London          Singapore
Federal Communications Commission                             Los Angeles     Tokyo
445 12th Street, S.W.                                         Madrid          Washington, D.C.

Washington, D.C. 20554


              Re:     ISAT US, Inc., Response to Request for Additional Information
                      IBFS File No. SES-LIC-20140224-00098 (“Application”); SES-AMD-
                      20140715-00601 (“Amendment”); Call Sign E140029

Dear Ms. Dortch:

        In response to the Commission’s request letter dated November 5, 2014, ISAT US, Inc.
(“ISAT US”) supplements the above-referenced Application and Amendment for a blanket
license to operate earth stations on maritime vessels to provide the additional information
requested. ISAT US provides the following responses to the numbered requests:

       1. The Form 312 shows that the 2M70G1W emission carrier on the 1-meter antenna
          (Remote 1) has a maximum EIRP density of 26.5 dBW/4kHz. Staff calculations show
          the maximum EIRP density should be 25.8 dBW/4kHz. Please confirm or clarify
          ISAT’s calculation in the application.

      The emission designator should instead have been listed as 2M30G1W, which results in a
maximum EIRP density of 26.5 dBW/4kHz for the referenced antenna. ISAT US is filing an
amended Form 312 Schedule B to reflect this change to the emission designator.

       2. In Exhibit C of ISAT’s Application, we note that maximum total input power at
          antenna flange is 5 watts. Please confirm that the proposed operation is for a single
          carrier transmission at all times and that there are no multiple carriers engaging in
          simultaneous transmissions.

       ISAT US confirms that the proposed operations of the antenna are for single-carrier
transmissions.


Ms. Marlene H. Dortch
November 17, 2014
Page 2




        In response to the Commission’s inquiry about Inmarsat’s planned operation of earth
stations on foreign-registered maritime vessels in U.S. territorial waters, ISAT US clarifies as
follows

          (i)       Such earth stations will operate in U.S. territorial waters using the 19.7-20.2 GHz
                    and 29.5-30.0 GHz bands.

          (ii)      Such earth stations will be operated within the same network, under the same
                    operational control, under the same technical parameters, and otherwise subject to
                    the same conditions designed to ensure non-interfering operations with the FSS as
                    the proposed earth stations that would be U.S.-licensed and operated on U.S.-
                    registered maritime vessels.

          (iii)     Inmarsat will maintain control over the operation of these earth stations of
                    foreign-registered vessels while in U.S. territorial waters in the same manner as it
                    will control the earth stations operated on U.S.-flagged ships.

        Inmarsat recognizes that transmissions from a foreign-flagged ship “while the same is
within the jurisdiction of the United States” are required to be “in accordance with such
regulations designed to prevent interference as may be promulgated under the authority of this
Act.” 1 Inmarsat also recognizes that the Commission previously has considered such earth
station operations in other parts of the Ka band on foreign-registered maritime vessels located in
U.S. territorial waters as requiring a waiver of the U.S. Table of Frequency Allocations and the
Commission’s Ka-band plan. As detailed in the Application, Inmarsat has sought such a waiver,
to the extent necessary, with respect to the operation of the proposed earth stations on U.S.-
registered vessels. To the extent necessary, ISAT US clarifies that it seeks a waiver of the U.S.
Table of Frequency Allocations and the Commission’s Ka-band plan to operate the proposed
earth stations regardless whether they are located on U.S.-registered vessels, or instead are
located on foreign-flagged ships in U.S. territorial waters. 2 As demonstrated in the Application
and Amendment and as detailed above, the terminals are capable of operating at 19.7-20.2 GHz
and 29.5-30.0 GHz without causing harmful interference to FSS operations in those band
segments. Inmarsat submits that such a waiver would serve the public interest for the reasons
already provided in the Application.




1
          47 U.S.C. § 306.
2
          See Application, Exhibit A at 4-6 (discussing U.S. frequency allocations and requesting a
          waiver for terminals operating on U.S.-registered vessels to the extent necessary).


Ms. Marlene H. Dortch
November 17, 2014
Page 3




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

                                             Respectfully submitted,

                                                     /s/

                                             John P. Janka
                                             Elizabeth R. Park

cc:       Jose Albuquerque



Document Created: 2014-11-17 10:44:10
Document Modified: 2014-11-17 10:44:10

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