Viasat E180006 Suppl

SUPPLEMENT submitted by Viasat, Inc.

Supplemental Submission 3-22-2018

2018-03-22

This document pretains to SES-LIC-20180123-00055 for License on a Satellite Earth Station filing.

IBFS_SESLIC2018012300055_1359223

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 Beijing Moscow Boston Munich Brussels New York Century City Orange County Chicago Paris March 22, 2018 Dubai Riyadh Düsseldorf Rome Frankfurt San Diego VIA ELECTRONIC FILING Hamburg San Francisco Hong Kong Seoul Houston Shanghai London Silicon Valley Ms. Marlene H. Dortch Los Angeles Singapore Secretary Madrid Tokyo Federal Communications Commission Milan Washington, D.C. 445 12th St. Washington, DC 20554 Re: Viasat, Inc., Supplemental Submission, File No. SES-LIC-20180123- 00555; Call sign E180006 Dear Ms. Dortch: Viasat, Inc. (“Viasat”) supplements the above-referenced application with the attached engineering certification from AT&T confirming that Viasat has coordinated the proposed earth station operations with the DIRECTV satellites operating in the range of 99º W.L. to 103º W.L., which, as explained in the application, are the only potentially affected networks. Please contact the undersigned if you have any questions regarding this submission. Respectfully submitted, /s/ Elizabeth R. Park Attachment cc: Jose Albuquerque Karl Kensinger Stephen Duall Paul Blais Jennifer Hindin, Counsel for AT&T

February 20, 2018 Federal Communications Commission 445 12th Street, SW Washington, DC 20554 Attn: International Bureau Re: Engineering Certification of AT&T This letter certifies that AT&T is aware that Viasat, Inc. (“Viasat”) is seeking authority from the Commission to operate up to 4,000 technically identical M40 and 4,000 technically identical GM40 transmit/receive earth stations mounted on aircraft using the 28.35-28.6 GHz and 29.5- 30.0 GHz bands for uplink transmissions and the 17.7-18.8 GHz and 19.7-20.2 GHz bands for downlink transmissions. These earth stations in motion (“ESIMs”) will communicate with ViaSat-2 at 69.9º W.L, pursuant to the technical parameters described in Viasat’s application, IBFS File No. SES-LIC-20180123-00055, Call Sign E180006 (“Viasat Application”). AT&T is authorized to operate the Ka-band satellites listed in the table below in all or parts of the satellite uplink bands 28.35-28.6 GHz and 29.25-30.0 GHz and the satellite downlink bands of 18.3-18.8 GHz and 19.7-20.2 GHz. AT&T is also authorized to operate Ku-band BSS satellites listed in the table below that use the 17.7-17.8 GHz for feeder uplink. AT&T is familiar with the technical and operating parameters of the proposed ESIMs described in the ViaSat Application. AT&T confirms that the operations proposed in the Viasat Application have been coordinated with, and are not expected to cause unacceptable interference into, the operations of the networks listed in the table below.

List of AT&T satellites Satellite Name Band Nominal Location (°W) SPACEWAY 1 Ka 103 SPACEWAY 2 Ka 99 DIRECTV 8 Ku, Ka 101 DIRECTV 9S Ku, Ka 101 DIRECTV 10 Ka 103 DIRECTV 11 Ka 99 DIRECTV 12 Ka 103 DIRECTV 14 Ka 99 DIRECTV 15 Ka 103 Respectfully, Navid Motamed AVP Satellite Systems Engineering AT&T Mobility and Entertainment


Document Created: 2018-03-22 12:08:21
Document Modified: 2018-03-22 12:08:21
© 2024 FCC.report
This site is not affiliated with or endorsed by the FCC