Attachment Exhibit A

This document pretains to SES-STA-20170913-01012 for Special Temporal Authority on a Satellite Earth Station filing.

IBFS_SESSTA2017091301012_1275230

Exhibit A I. DESCRIPTION OF STA REQUEST ISAT US, Inc. (“ISAT US”) hereby files this request for regular special temporary authority (“STA”) to follow up the verbal STA granted by the Commission, with conditions, for a period beginning 9/8/2017 and ending 10/8/2017. See the attached confirmation of the grant of the verbal STA request. The STA requested in this application would authorize ISAT to operate all terminals licensed under blanket earth station license call signs E140114, E140029 and E150097 to communicate with the Inmarsat 5F2 satellite located at 55° W. L. on its HCC beam that has been located as shown below. The center of the beam is at latitude 23.15N and longitude 77.15W, and the beam shown represents the 3 dB beamwidth. This authorization will be used to continue supporting Hurricane Irma recovery operations in the Caribbean and Florida using the 29.25-29.35 GHz band (Earth-to-space) and the 19.45-19.55 GHz band (space-to-Earth). II. ISAT US SEEKS AUTHORITY TO OPERATE BLANKET-LICENSED TERMINALS ON ADDITIONAL FREQUENCY BANDS (29.25-29.35 GHz/19.45- 19.55GHz) ISAT US is already licensed to operate terminals under blanket earth station license call signs E140114, E140029 and E150097 in the 29.5-30 GHz uplink bands and the 19.7-20.2 GHz downlink

bands. For emergency support operations in the Caribbean and Florida, ISAT US seeks an STA to operate also in the following additional frequency bands: 29.25-29.35 GHz (uplink) and 19.45-19.55 GHz (downlink). The terminals operated in these additional frequencies will operate using the same technical parameters, e.g. polarization, eirp density level, as contained in the relevant license for each of the terminal types. The 24 Hour Point of Contact during the STA is the Inmarsat Network Control Center that can be reached at +44 207 728 1616. Because Iridium operates in the 29.25-29.3 GHz band from its Arizona site, ISAT already has provided notice of the verbal STA to Iridium, noting that, given the wide geographic separation, there should be no impact on Iridium’s operations. In any event, ISAT US requests this STA on the condition that all operations under the STA are on an unprotected and non-harmful interference basis.

Emergency STA Conditions of Grant For Fixed and Temporary-Fixed Earth Stations Company: INMARSAT Name/Title: Giselle Creeser Telephone: (703) 883-7444 E-mail: Giselle.Creeser@inmarsat.com 24/7 Contact Name: Giselle Creeser 24/7 Contact Phone: (703) 883-7444 INMARSAT’s] request for Special Temporary Authority is GRANTED WITH CONDITIONS beginning 9/8/2017 and ending 10/8/2017. To operate all terminals authorized under call signs E140114, E140029 and E150097 with the Inmarsat 5F2 satellite located at 55° W. L. on its HCC beam that is being located as shown below. This authorization is granted to support Hurricane Irma recovery operations. 1. All operations under this STA are on an unprotected and non-harmful interference basis. 2. Operations are limited to the following frequency bands Earth-to-Space Frequency (E-S Transmit) Space-to-Earth Frequency (E-S Receive) 29250- 29350 19450- 19550 3. INMARSAT must coordinate its operations so that no harmful interference is caused to any other lawfully operating satellites or radiocommunication systems. INMARSAT shall cease operations immediately upon notification of such interference and inform the Commission in writing immediately of such an event. 4. INMARSAT must take all reasonable and customary measures to ensure that the earth station(s) do(es) not create a potential for harmful non-ionizing radiation to persons who may be in the vicinity of the earth station when it is in operation. At a minimum, permanent warning labels shall be fixed to the earth station and its housing warning of the radiation hazard and including a diagram showing the regions

around the earth station where radiation levels could exceed 1.0mW/cm². The earth station operator shall be responsible for assuring that individuals do not stray into the regions around the earth station where there is a potential for exceeding the maximum permissible exposure limits required by 47 C.F.R. § 1.1310. 5. Any action taken or expense incurred as a result of operations pursuant to this special authority is solely at INMARSAT] own risk. 6. The grant of the verbal STA request was issued in accordance with emergency procedures put in place to provide communications in areas affected by Hurrican Irma. To ensure that the Commission has a complete record of the request and action taken, INMARSAT is directed to file an electronic version of its STA request submitted through IBFS as soon as possible. 7. This STA may be terminated at the International Bureau's discretion, without a hearing, if conditions warrant. Under no circumstances may the facility(ies) authorized violate the terms of an international agreement or treaty. If an application for permanent authority is on file with the Commission, this action is taken without prejudice to that application. The applicant is required to post and/or retain a copy of this authorization as required by the Commission's Rules. 8. This grant is issued pursuant to Section 0.261 of the Commission’s rules on delegated authority, 47 C.F.R. § 0.261, and is effective immediately. /s/ Paul E. Blais


Document Created: 2017-09-13 16:49:36
Document Modified: 2017-09-13 16:49:36
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