Attachment Coordination report

This document pretains to SES-STA-20190502-00561 for Special Temporal Authority on a Satellite Earth Station filing.

IBFS_SESSTA2019050200561_1670836

FREQUENCY COORDINATION AND INTERFERENCE ANALYSIS REPORT Prepared for Denali 20020, LLC BREWSTER, WA Satellite Earth Station Prepared By: COMSEARCH 19700 Janelia Farm Boulevard Ashburn, VA 20147 April 22, 2019

TABLE OF CONTENTS 1. CONCLUSIONS ............................................................................................................................................ 3 2. SUMMARY OF RESULTS ............................................................................................................................ 4 3. SUPPLEMENTAL SHOWING ....................................................................................................................... 5 4. EARTH STATION COORDINATION DATA .................................................................................................. 8 5. CERTIFICATION ......................................................................................................................................... 12 Frequency Coordination and Interference Analysis Report 04/22/2019 Page 2 of 12

1. CONCLUSIONS An interference study considering all existing, proposed and prior coordinated microwave facilities within the coordination contours of the proposed earth station demonstrates that this site will operate satisfactorily with the common carrier microwave environment. Further, there will be no restrictions of its operation due to interference considerations. Frequency Coordination and Interference Analysis Report 04/22/2019 Page 3 of 12

2. SUMMARY OF RESULTS A number of great circle interference cases were identified during the interference study of the proposed earth station. Each of the cases, which exceeded the interference objective on a line-of-sight basis, was profiled and the propagation losses estimated using NBS TN101 (Revised) techniques. The losses were found to be sufficient to reduce the signal levels to acceptable magnitudes in every case. Frequency Coordination and Interference Analysis Report 04/22/2019 Page 4 of 12

3. SUPPLEMENTAL SHOWING Pursuant to Part 25.203(c) of the FCC Rules and Regulations, the satellite earth station proposed in this application was coordinated by Comsearch using computer techniques and in accordance with Part 25 of the FCC Rules and Regulations. Coordination data for this earth station was sent to the below listed carriers with a letter dated 04/02/2019. Company AT&T Mobility Spectrum LLC - ID, MT, WY AT&T Mobility Spectrum LLC - Washington AT&T Mobility Wireless Ops Hldgs - WA Accel Net, Inc. Advanced Internet Advantagecom Networks, Inc. Avista Corporation BNSF Railway Company Bain, Robert B Bearclaw, LLC Benton County Emergency Services Benton Rural Electric Association Boeing Company Bookbinder, LLC Brigadier, LLC Business Only Broadband, LLC Cascade Natural Gas Corporation Cellco Partnership - Oregon Cellco Partnership - Washington Cencom - Kitsap 911 CenturyTel of Washington, Inc. Chelan County PUD #1 City of Post Falls Police Department City of Tacoma / Tacoma Public Utilities Clearwire Spectrum Holdings II, LLC Clearwire Spectrum Holdings III, LLC Clearwire Spectrum Holdings LLC Columbia Rural Electric Association, Inc Community Transit Snohomish County PTBA Computer 5, Inc. Cyberdyne Networks, Inc. Darrington Internet Users Association Day Management Corporation Desert Winds Wireless Eastside Public Safety Com Agency EcliptixNet Broadband, Inc. Electron Hydro LLC Ellensburg Telephone Company Energy Northwest Everett Clinic Everett MSO, Inc. Frequency Coordination and Interference Analysis Report 04/22/2019 Page 5 of 12

First Step Internet, LLC Fisher Broadcasting, Inc. KOMO TV Franklin County Sheriff Frontier Communications Northwest Inc. Hermiston, City of Inland Cellular LLC J & R Electronics Inc J&R Electronics, Inc. Jefferson Microwave, LLC KGY, Inc. King Broadcasting Company - KTVB TV King County DOT Metro Transit Division King, County of Kootenai, County of Leader Communications LLC McDaniel Cellular Telephone Company Medicine Wheel Website Design, Inc. Microsoft NCI Datacom, Inc. New Cingular Wireless PCS - ID, WY New Cingular Wireless PCS LLC-Washington Newmax, LLC Noel Communications, Inc. Northwest Open Access Network Northwest Pipeline GP Olympic Wireless, LLC PacifiCorp Pacific Public Media Pass Word, Inc. Pick Two LLC Pierce County Pierce Transit PocketiNet Communications Inc. Port of Seattle Ptera Wireless, Inc. Public Util Dist. #1 of Snohomish County Public Utility District No 1 of Okanogan Puget Sound Energy, Inc Quicktel Internet Qwest Corporation RSN Wireless, LLC Rivercom 911 Seattle City Light Seattle FCC License Sub, LLC Seattle SMSA Limited Partnership Seattle's Best Internet, LLC Seattle, City of Sinclair Radio of Seattle Licensee, LLC Skotdal Brothers LLC (c/o CSI) Snohomish County Emergency Radio System Spectrum Communications Inc Spectrum Networks Inc. - T Spokane Regional Emergency Communication Spokane Tribe Telecommunications Exchang Sprint Spectrum L.P. Sprintcom, Inc Frequency Coordination and Interference Analysis Report 04/22/2019 Page 6 of 12

St. Anthony Hospital Startouch, Inc. Stevens County Sheriff's Office Summit Towers LLC Sunheaven Farms, LLC Symplified Technologies, LLC T-Mobile Lic LLC - Voicestream PCS BTA I T-Mobile License LLC THE Corporation Thurston 9-1-1 Communications Towerstream Corp. USCOC of Richland, Inc. Union Pacific Railroad Company United Telephone Co. of the Northwest VelociMAX Wireless Verizon Wireless (VAW) LLC - (WA) Verizon Wireless (VAW) LLC - Idaho Verizon Wireless (VAW) LLC -CO/ID/MT/WY Verizon Wireless (VAW) LLC-Portland, OR Warden Hutterian Brethren Inc Washington Broadband, Inc. Washington State Dept of Natural Resourc Washington State of Dept of Transportat Washington, State of Western Sub-RSA LTD Partnership Whitman County Fire District #11 Wind Wireless, Inc. Wired or Wireless, Inc. Yakima City Washington Yakima MSA Limited Partnership Frequency Coordination and Interference Analysis Report 04/22/2019 Page 7 of 12

4. EARTH STATION COORDINATION DATA This section presents the data pertinent to frequency coordination of the proposed earth station that was circulated to all carriers within its coordination contours. Frequency Coordination and Interference Analysis Report 04/22/2019 Page 8 of 12

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5500 http://www.comsearch.com Date: 04/22/2019 Job Number: 190402COMSGE02 Administrative Information Status ENGINEER PROPOSAL Call Sign E891020 Licensee Code DENALI Licensee Name Denali 20020, LLC Site Information BREWSTER, WA Venue Name Latitude (NAD 83) 48° 8' 47.5" N Longitude (NAD 83) 119° 41' 31.2" W Climate Zone A Rain Zone 5 Ground Elevation (AMSL) 377.04 m / 1237.0 ft Link Information Satellite Type Geostationary Mode TR - Transmit-Receive Modulation Digital Satellite Arc 53° W to 186° West Longitude Azimuth Range 107.8° to 251.9° Corresponding Elevation Angles 6.7° / 6.9° Antenna Centerline (AGL) 6.1 m / 20.0 ft Antenna Information Receive - FCC32 Transmit - FCC32 Manufacturer Vertex Vertex Model 9 meter 9 meter Gain / Diameter 59.2 dBi / 9.0 m 60.4 dBi / 9.0 m 3-dB / 15-dB Beamwidth 0.20° / 0.38° 0.16° / 0.32° Max Available RF Power (dBW/4 kHz) -14.0 (dBW/MHz) 10.0 Maximum EIRP (dBW/4 kHz) 46.4 (dBW/MHz) 70.4 Interference Objectives: Long Term -156.0 dBW/MHz 20% -154.0 dBW/4 kHz 20% Short Term -146.0 dBW/MHz 0.01% -131.0 dBW/4 kHz 0.0025% Frequency Information Receive 11.0 GHz Transmit 14.0 GHz Emission / Frequency Range (MHz) 1M00G7D - 72M0G7W / 10950.0 - 11200.0 1M00G7D - 72M0G7W / 14000.0 - 14500.0 1M00G7D - 72M0G7W / 11450.0 - 12200.0 Max Great Circle Coordination Distance 468.7 km / 291.2 mi 224.2 km / 139.3 mi Precipitation Scatter Contour Radius 403.4 km / 250.6 mi 100.0 km / 62.1 mi Frequency Coordination and Interference Analysis Report 04/22/2019 Page 9 of 12

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5500 http://www.comsearch.com Coordination Values BREWSTER, WA Licensee Name Denali 20020, LLC Latitude (NAD 83) 48° 8' 47.5" N Longitude (NAD 83) 119° 41' 31.2" W Ground Elevation (AMSL) 377.04 m / 1237.0 ft Antenna Centerline (AGL) 6.1 m / 20.0 ft Antenna Model Vertex 9 meter Antenna Mode Receive 11.0 GHz Transmit 14.0 GHz Interference Objectives: Long Term -156.0 dBW/MHz 20% -154.0 dBW/4 kHz 20% Short Term -146.0 dBW/MHz 0.01% -131.0 dBW/4 kHz 0.0025% Max Available RF Power -14.0 (dBW/4 kHz) Receive 11.0 GHz Transmit 14.0 GHz Horizon Antenna Horizon Coordination Horizon Coordination Azimuth (°) Elevation (°) Discrimination (°) Gain (dBi) Distance (km) Gain (dBi) Distance (km) 0 0.81 107.70 -10.00 191.65 -10.00 100.00 5 0.89 102.73 -10.00 187.66 -10.00 100.00 10 0.71 97.75 -10.00 196.39 -10.00 100.00 15 1.23 92.78 -10.00 174.05 -10.00 100.00 20 1.81 87.80 -10.00 152.29 -10.00 100.00 25 0.54 82.84 -10.00 204.81 -10.00 100.00 30 0.54 77.87 -10.00 204.87 -10.00 100.00 35 0.72 72.89 -10.00 195.96 -10.00 100.00 40 1.21 67.90 -10.00 174.78 -10.00 100.00 45 1.57 62.91 -10.00 159.93 -10.00 100.00 50 1.49 57.94 -10.00 162.40 -10.00 100.00 55 1.85 52.95 -10.00 150.85 -10.00 100.00 60 1.73 47.99 -10.00 154.54 -10.00 100.00 65 2.12 42.99 -8.83 148.95 -8.83 100.00 70 2.17 38.02 -7.50 154.34 -7.50 100.00 75 2.43 33.04 -5.97 155.44 -5.97 100.00 80 2.63 28.06 -4.20 159.75 -4.20 100.00 85 2.56 23.14 -2.11 175.83 -2.11 100.00 90 2.77 18.20 0.50 184.39 0.50 100.00 95 2.88 13.33 3.88 198.41 3.88 100.00 100 2.69 8.75 8.46 222.28 8.46 100.00 105 2.37 5.12 14.26 264.92 14.26 117.58 110 2.24 4.95 14.64 424.56 14.64 192.00 115 2.24 7.95 9.49 238.26 9.49 103.48 120 2.44 10.83 6.13 215.68 6.13 100.00 125 2.66 13.59 3.67 202.05 3.67 100.00 130 1.71 17.18 1.13 208.88 1.13 100.00 135 0.95 20.50 -0.79 222.31 -0.79 104.53 140 0.44 23.46 -2.26 244.43 -2.26 124.68 145 0.29 25.93 -3.34 254.00 -3.34 132.49 150 0.00 28.31 -4.30 258.30 -4.30 137.31 155 0.00 30.17 -4.99 254.84 -4.99 135.30 160 0.00 31.76 -5.55 252.11 -5.55 133.73 165 0.00 33.03 -5.97 250.04 -5.97 132.56 170 0.00 33.96 -6.27 248.59 -6.27 131.74 175 0.00 34.52 -6.45 247.73 -6.45 131.26 180 0.00 34.71 -6.51 247.45 -6.51 131.10 185 0.00 34.52 -6.45 247.73 -6.45 131.26 Frequency Coordination and Interference Analysis Report 04/22/2019 Page 10 of 12

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5500 http://www.comsearch.com Coordination Values BREWSTER, WA Licensee Name Denali 20020, LLC Latitude (NAD 83) 48° 8' 47.5" N Longitude (NAD 83) 119° 41' 31.2" W Ground Elevation (AMSL) 377.04 m / 1237.0 ft Antenna Centerline (AGL) 6.1 m / 20.0 ft Antenna Model Vertex 9 meter Antenna Mode Receive 11.0 GHz Transmit 14.0 GHz Interference Objectives: Long Term -156.0 dBW/MHz 20% -154.0 dBW/4 kHz 20% Short Term -146.0 dBW/MHz 0.01% -131.0 dBW/4 kHz 0.0025% Max Available RF Power -14.0 (dBW/4 kHz) Receive 11.0 GHz Transmit 14.0 GHz Horizon Antenna Horizon Coordination Horizon Coordination Azimuth (°) Elevation (°) Discrimination (°) Gain (dBi) Distance (km) Gain (dBi) Distance (km) 190 0.00 33.96 -6.27 248.59 -6.27 131.74 195 0.00 33.03 -5.97 250.04 -5.97 132.56 200 0.00 31.76 -5.55 252.11 -5.55 133.74 205 0.00 30.18 -4.99 254.84 -4.99 135.30 210 0.00 28.31 -4.30 258.30 -4.30 137.31 215 0.00 26.18 -3.45 262.59 -3.45 139.85 220 0.00 23.84 -2.43 267.86 -2.43 143.01 225 0.00 21.29 -1.20 274.35 -1.20 146.98 230 0.00 18.59 0.27 282.38 0.27 151.99 235 0.00 15.73 2.08 292.55 2.08 158.49 240 0.21 12.60 4.49 302.93 4.49 168.14 245 0.38 9.41 7.66 304.18 7.66 161.35 250 0.47 6.72 11.32 468.66 11.32 224.23 255 2.06 5.76 12.98 264.47 12.98 118.99 260 1.81 9.57 7.48 238.14 7.48 106.10 265 2.41 13.84 3.47 203.69 3.47 100.00 270 3.15 18.48 0.33 174.55 0.33 100.00 275 3.57 23.33 -2.20 148.33 -2.20 100.00 280 3.36 28.31 -4.30 142.51 -4.30 100.00 285 3.16 33.29 -6.06 138.63 -6.06 100.00 290 3.16 38.26 -7.57 132.18 -7.57 100.00 295 1.94 43.33 -8.92 153.38 -8.92 100.00 300 1.72 48.31 -10.00 155.06 -10.00 100.00 305 2.17 53.25 -10.00 142.68 -10.00 100.00 310 1.91 58.24 -10.00 149.14 -10.00 100.00 315 1.89 63.21 -10.00 149.73 -10.00 100.00 320 2.11 68.18 -10.00 143.88 -10.00 100.00 325 2.11 73.16 -10.00 144.04 -10.00 100.00 330 2.40 78.14 -10.00 137.58 -10.00 100.00 335 1.91 83.13 -10.00 149.16 -10.00 100.00 340 1.26 88.11 -10.00 172.95 -10.00 100.00 345 0.69 93.08 -10.00 197.41 -10.00 100.00 350 0.35 98.05 -10.00 216.98 -10.00 111.42 355 0.00 103.01 -10.00 231.37 -10.00 123.34 Frequency Coordination and Interference Analysis Report 04/22/2019 Page 11 of 12

5. CERTIFICATION I HEREBY CERTIFY THAT I AM THE TECHNICALLY QUALIFIED PERSON RESPONSIBLE FOR THE PREPARATION OF THE FREQUENCY COORDINATION DATA CONTAINED IN THIS APPLICATION, THAT I AM FAMILIAR WITH PARTS 101 AND 25 OF THE FCC RULES AND REGULATIONS, THAT I HAVE EITHER PREPARED OR REVIEWED THE FREQUENCY COORDINATION DATA SUBMITTED WITH THIS APPLICATION, AND THAT IT IS COMPLETE AND CORRECT TO THE BEST OF MY KNOWLEDGE AND BELIEF. BY: _ Gary K. Edwards Senior Manager COMSEARCH 19700 Janelia Farm Boulevard Ashburn, VA 20147 DATED: April 22, 2019 Frequency Coordination and Interference Analysis Report 04/22/2019 Page 12 of 12


Document Created: 2019-04-23 10:57:31
Document Modified: 2019-04-23 10:57:31
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