Supplemental Letter

SUPPLEMENT submitted by HNS License Sub, LLC

Supplement

2019-07-11

This document pretains to SES-AMD-20190221-00297 for Amended Filing on a Satellite Earth Station filing.

IBFS_SESAMD2019022100297_1787522

July 11, 2019 By Electronic Filing Jose P. Albuquerque Chief, Satellite Division, International Bureau Federal Communications Commission 445 12th St., SW Washington, D.C. 20554 Re: HNS Licensee Sub, LLC IBFS File Nos. SES-AMD-20190221-00282 through SES-AMD-20190221-00285, SES-AMD- 20190221-00288; SES-AMD-20190221-00293 through SES-AMD-20190221-00299; SES- AMD-20190221-00302 through SES-AMD-20190221-00305; SES-AMD-20190221-00307 through SES-AMD-20190221-00310 Call Signs: E170151 through E170170 Dear Mr. Albuquerque: HNS License Sub, LLC (“HNS”) submits this supplemental letter to clarify that prior coordination notification letters were sent to existing and proposed terrestrial 28 GHz licensees without any stated assumption regarding secondary earth station operations. Accordingly, the attached Comsearch coordination reports have been revised to delete reference to any assumption of secondary operations. Further, as requested by Commission staff, Comsearch sent the following additional notice to existing and proposed terrestrial 28 GHz licensees: “Pursuant to Section 101.103(d)(2)(ix) of the Commission’s Rules, you are being notified that the associated applications for the coordination reports referenced above and previously forwarded in December 2018 are being amended to clarify that, in the frequency band 27.5-28.35 GHz, the applicant is seeking an authorization pursuant to Section 25.136(a)(4) of the Commission’s Rules. No response is required.” Please contact the undersigned with any further questions. Sincerely, /s/ Kimberly M. Baum Kimberly M. Baum Vice President, Regulatory Affairs Attachments cc: Karl Kensinger Kathyrn Medley Kerry Murray Paul Blais Stephen Duall

Ka-Band Earth Station – Tucson, AZ Frequency Coordination Report 28 GHz Prepared on Behalf of HUGHES NETWORK SYSTEMS LIMITED January 9, 2019

HUGHES NETWORK SYSTEMS LIMITED Ka-Band Earth Station – Tucson, AZ Frequency Coordination Report 28 GHz Table of Contents 1. Summary of Results -1- 2. 28 GHz Common Carrier and LTTS Coordination -1- 3. 28 GHz UMFUS Coordination -2- 4. Earth Station Coordination Data -3- 5. Contact Information -7- Comsearch Proprietary -0- January 9, 2019

HUGHES NETWORK SYSTEMS LIMITED Ka-Band Earth Station – Tucson, AZ Frequency Coordination Report 28 GHz 1. Summary of Results On behalf of HUGHES NETWORK SYSTEMS LIMITED, Comsearch performed a coordination notice under Section 25.136(a)(4) of the FCC’s rules for all existing and proposed terrestrial licenses within the coordination contours of their proposed Ka-Band earth station in Tucson, AZ, which will transmit at 28 GHz1. Prior-notification letters were sent to the licensees and a copy of the notification data is provided in section four of this report. The earth station coordination was finalized on January 4, 2019. No objections were received from any of the incumbent 28 GHz licensees. 2. 28 GHz Common Carrier and LTTS Coordination In accordance with FCC Rules and Regulations, the Ka-Band earth station in Tucson, AZ was prior-coordinated by Comsearch. A notification letter and datasheets for this earth station were sent to the following 28 GHz common carrier fixed microwave licensees. These licensees are authorized to operate temporary fixed operations from 27.5 – 29.5 GHz on a nationwide basis or local basis. Licensee Authorized Geographic Area Frontier Southwest Incorporated Nationwide A notification letter and datasheets for the Ka-Band earth station in Tucson, AZ were also sent to the following 28 GHz local television transmission licensee. This licensee is authorized to operate temporary fixed operations from 27.5 – 29.5 GHz on a nationwide basis. Licensee Authorized Geographic Area Information Super Station, LLC Continental US No objections were received from the common carrier or local television transmission service incumbents. 1 The proposed earth station will operate in the 27.5 – 28.6 GHz portion of the Ka-Band. Comsearch Proprietary -1- January 9, 2019

HUGHES NETWORK SYSTEMS LIMITED Ka-Band Earth Station – Tucson, AZ Frequency Coordination Report 28 GHz 3. 28 GHz UMFUS Coordination A Notification letter was sent to the following 28 GHz UMFUS licensees. The proposed earth station will operate on frequencies that overlap Channel L1 & L2 of the UMFUS service. The total frequency allocation for Channels L1 & L2 of the UMFUS spectrum appears below. Channel: L1 27.500 - 27.925 GHz L2 27.925 - 28.350 GHz Licensee Channel Area of Operation DISH Network L1, L2 County Based Verizon L1, L2 County Based No objections were received from the UMFUS incumbents. Comsearch Proprietary -2- January 9, 2019

HUGHES NETWORK SYSTEMS LIMITED Ka-Band Earth Station – Tucson, AZ Frequency Coordination Report 28 GHz 4. Earth Station Coordination Data This section presents the data pertinent to the proposed Ka-Band earth station in Tucson, AZ. This data was circulated to all incumbent licensees in the shared 28 GHz frequency ranges. Comsearch Proprietary -3- January 9, 2019

4¥ CO_MSEARCH‘ Administrative Information Call Sign E170162 Licensee Code HUNESY Licensee Name HUGHES NETWORK SYSTEMS LIMITED Site Information TUCSON, AZ Latitude (NAD 83) 32° 10 20.4" N Longitude (NAD 83) notard7.at w Climate Zone A Rain Zone 5 Ground Elevation (AMSL) 761.46 m / 2498.2 it Link Information Satellite Type Geostationary Mode TO — Transmit—Only Modulation Digital Satellite Arc 95.2° W to 95.2° Wast Longitude Azimuth Range 152.1° to 152.1° Corresponding Elevation Angles 48.8"/48.8° Antenna Centerline (AGL) 5.49 m / 18.0 ft Antenna Information Transmit Manufacturer sen Model 10.0M Gain / Diameter 67.1 dBi/ 10.0 m 3—48 / 15—d48 Beamwidth 0.08° / 0.16° Max Available RF Power (dBWit kHz) 350 (dBwniH) 410 Maximum EIRP (dBWM khz) 321 (dwnvHz) 564 Interference Opjectives: Long Term —151.0 dBW/4 kHz 20% Short Term —128.0 dBW/4 kHz 0.0025% Frequency Information Transmit 28.0 GHz Emission / Frequency Range (MHz) 450MGTW — 470MGTW / 275000 — 28600.0 Max Great Circle Coordination Distance 100.0 km / 62.1 mi Precipitation Scafter Contour Radius 100.0 km / 62.1 mi Commeeacan e repeniny vomay oy eere

4¥ CO_MSEARCH‘ Coordination Values TUCSON, AZ Licensee Name HUGHES NETWORK SYSTEMS LIMITED Latitude (NAD 83) 32° 10 20.4" N Longitude (NAD 83) 110° 57 17.5" W Graund Elevation (AMSL) 761 46 m /24982 ft Antenna Centerline (AGL) 5.49 m / 18.0 ft Antenna Mode Transmit 28.0 GHz Interference Objectives: Long Term —151.0 dBW/ kHz20% Short Term —128.0 dBW/d kHz 0.0025% Max Available RF Power ~35.0 (dBW/4 kHz) Transmit 28.0 GHz Horizon Antenna Horizon Coordination Azimuth (°) Elevation (°) Discrimination (°) Gain (dBi) Distance (km) 0 0.00 125.56 —10.00 100.00 5 0.00 123.54 —10.00 100.00 10 0.00 121.28 —10.00 100.00 15 0.00 118.82 —10.00 100.00 20 0.00 116.18 —10.00 100.00 25 0.00 113.38 —10.00 100.00 30 0.00 110.46 ~10.00 100.00 35 0.00 10744 —10.00 100.00 40 0.00 104.33 —10.00 100.00 45 0.00 101.15 —10.00 100.00 50 0.00 97.92 —10.00 100.00 55 0.00 94.66 —10.00 100.00 60 0.00 91.37 —10.00 100.00 65 0.00 88.08 —10.00 100.00 70 0.00 84.80 —10.00 100.00 75 0.22 81.50 —10.00 100.00 80 0.25 78.26 —10.00 100.00 85 0.28 75.07 —10.00 100.00 90 0.30 71.94 —10.00 100.00 95 0.32 68.90 —10.00 100.00 100 0 34 65.97 —10.00 100.00 105 0.36 63.17 —10.00 100.00 110 0.38 60.52 —10.00 100.00 115 0.37 56.07 —10.00 100.00 120 041 55.80 —10.00 100.00 125 0.37 53.02 —10.00 100.00 130 0.37 5210 —10.00 100.00 135 034 50.70 —10.00 100.00 140 0.33 4963 —10.00 100.00 145 0.33 48 89 —10.00 100.00 150 0.30 4857 —10.00 100.00 155 0.29 4862 —10.00 100.00 160 0.25 49.07 —10.00 100.00 165 023 4987 —10.00 100.00 170 0.21 51.04 —10.00 100.00 175 0.00 5268 —10.00 100.00 180 0.00 5444 —10.00 100.00 185 0.00 5646 —10.00 100.00 es vomay oy eere

4¥ CO_MSEARCH‘ Coordination Values TUCSON, AZ Licensee N ame HUGHES NETWORK SYSTEMS LIMITED Latitude (NAD 83) 32° 10 20.4" N Longitude ( NAD 83) 110° 5717.5" W Ground Elevation (AMSL) 761.46 m / 2498.2 it Antenna Centerline (AGL) 5.49 m / 18.0 ft Antenna Mode Transmit 28.0 GHz Interference Objectives: Long Term ~151.0. dBW/t kHz 20% Short Term —128.0 dBW/t kHz0.0025% Max Available RF Power —35.0 (dBWi/A kHz) Transmit 280 GHz Horizon Antenna Horizon Coordination Azimuth (*) Elevation (°) Discrimination (*) Gain (dBi) Distance (km) 190 0.00 58.72 —10.00 100.00 195 0.00 61.18 —10.00 100.00 200 0.20 63.71 —10.00 100.00 205 0.00 66.62 ~10.00 100.00 210 0.00 69.54 —10.00 100.00 215 0.00 72.56 —10.00 100.00 220 0.00 75.67 —10.00 100.00 225 0.00 78.85 —10.00 100.00 230 0.00 82.08 —10.00 100.00 235 0.00 85.34 —10.00 100.00 240 0.00 88.63 —10.00 100.00 245 0.00 91.92 ~10.00 100.00 250 0.00 95.20 —10.00 100.00 255 0.00 98.46 —10.00 100.00 260 0.32 101.75 —10.00 100.00 265 0.67 105.05 —10.00 100.00 270 0.60 108.17 —10.00 100.00 275 0.47 111.16 —10.00 100.00 280 0.63 114.20 ~10.00 100.00 285 0.27 116.78 —10.00 100.00 290 0.00 119.24 ~10.00 100.00 295 0.00 121.67 —10.00 100.00 300 0.00 123.89 ~10.00 100.00 305 0.00 125.87 ~10.00 100.00 310 0.32 127.86 —10.00 100.00 315 142 130.29 —10.00 100.00 320 117 13118 —10.00 100.00 325 0.00 130.78 —10.00 100.00 330 0.00 131.13 —~10.00 100.00 335 0.00 131.09 ~10.00 100.00 340 0.00 130.68 —10.00 100.00 345 0.00 129.90 ~10.00 100.00 350 0.00 128.77 —10.00 100.00 355 0.00 127 32 —10.00 100.00 es vomay oy eere

HUGHES NETWORK SYSTEMS LIMITED Ka-Band Earth Station – Tucson, AZ Frequency Coordination Report 28 GHz 5. Contact Information For questions or information regarding the 28 GHz Frequency Coordination Report, please contact: Contact person: Dennis Jimeno Title: Engineer III, Telecommunications Company: Comsearch Address: 19700 Janelia Farm Blvd., Ashburn, VA 20147 Telephone: 703-726-5858 Fax: 703-726-5599 Email: DJimeno@Comsearch.com Web site: www.comsearch.com Comsearch Proprietary -7- January 9, 2019


Document Created: 2019-07-11 17:32:35
Document Modified: 2019-07-11 17:32:35
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