Attachment Narrative

This document pretains to SES-STA-20160225-00165 for Special Temporal Authority on a Satellite Earth Station filing.

IBFS_SESSTA2016022500165_1128089

REQUEST FOR SPECIAL TEMPORARY AUTHORITY (Call Sign E090032) ISAT US Inc. (“ISAT”) hereby requests Special Temporary Authority (“STA”) for 60 days beginning on March 3, 2016 to add the Inmarsat-3 F5 satellite (the “I3F5” satellite) at the 54º W.L. orbital location as a point of communication for the above referenced blanket licensed mobile earth stations while the underlying application to amend the ISAT List is being processed.1 The earth station authorizations at issue cover mobile terminals that communicate with satellites operated by ISAT’s corporate parent, Inmarsat plc (“Inmarsat”), using L-band frequencies (1525-1559 MHz and 1626.5-1660.5 MHz). At present, Inmarsat operates the Inmarsat-3 F4 satellite (the “I3F4” satellite) at 54º W.L. It was added to the ISAT List at this location in 2009,2 and has been operating there for over six years without incident. Inmarsat has filed an application to amend the ISAT List to replace I3F4 with I3F5 (see IBFS File No. SAT- PPL-20160111-00001). As explained in that application, the I3F4 and I3F5 satellites were the last of a series of third-generation Inmarsat satellites built by Lockheed Martin and Matra Marconi Space, and have virtually identical designs. Accordingly, the I3F5 satellite will operate with the same parameters, and provide the same types of “existing and evolved” Inmarsat services, as the I3F4 satellite it is replacing. I3F5 has arrived at its new location, and Inmarsat has scheduled traffic transfer to begin on or about March 3, 2016. 1 See IBFS File No. SAT-PPL-20160111-00001. To the extent necessary, ISAT hereby incorporates by reference the technical information provided in Inmarsat’s application. 2 See Grant Stamp, IBFS File Nos. SAT-PPL-20090107-00003 and SAT-APL-20090115-00005 (Apr. 6, 2009). 1

The requested STA would serve the public interest by allowing the transition of services to a new satellite while the Commission processes Inmarsat full application, ensuring continuity of services to, from, and within the United States during the reconfiguration of Inmarsat’s in- orbit fleet. Because the new satellite will operate with the same parameters as the one it is replacing, and ISAT is not requesting any change in authorized parameters for its earth stations, the requested STA will not change the existing interference environment. ISAT therefore respectfully requests that the Commission grant this STA request as expeditiously as possible. 2


Document Created: 2019-04-25 02:18:02
Document Modified: 2019-04-25 02:18:02
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