Attachment Exhibit A

This document pretains to SES-STA-20190419-00547 for Special Temporal Authority on a Satellite Earth Station filing.

IBFS_SESSTA2019041900547_1659142

Exhibit A FREQUENCY COORDINATION AND INTERFERENCE ANALYSIS REPORT Prepared for Intelsat License LLC PAUMALU, HI Satellite Earth Station Prepared By: COMSEARCH 19700 Janelia Farm Boulevard Ashburn, VA 20147 April 16, 2019

TABLE OF CONTENTS 1. CONCLUSIONS ............................................................................................................................................ 3 2. SUMMARY OF RESULTS ............................................................................................................................ 4 3. SUPPLEMENTAL SHOWING ....................................................................................................................... 5 4. EARTH STATION COORDINATION DATA .................................................................................................. 6 5. CERTIFICATION ......................................................................................................................................... 10 Frequency Coordination and Interference Analysis Report 04/16/2019 Page 2 of 10

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 04/16/2019 Page 3 of 10

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 04/16/2019 Page 4 of 10

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 Corp. County of Kauai Department of Police Hawaii State Hawaiian Electric Company, Inc Hawaiian Telcom, Inc. Honolulu City & County Dept of Info Tech NEXSTAR BROADCASTING, INC. New Cingular Wireless PCS LLC - Hawaii Scientel Solutions, LLC University of Hawaii Frequency Coordination and Interference Analysis Report 04/16/2019 Page 5 of 10

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 04/16/2019 Page 6 of 10

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5500 http://www.comsearch.com Date: 04/16/2019 Job Number: 190402COMSGE03 Administrative Information Status ENGINEER PROPOSAL Call Sign KA265 Licensee Code INTELS Licensee Name Intelsat License LLC Site Information PAUMALU, HI Venue Name Latitude (NAD 83) 21° 40' 27.0" N Longitude (NAD 83) 158° 2' 16.0" W Climate Zone A Rain Zone 4 Ground Elevation (AMSL) 8.41 m / 27.6 ft Link Information Satellite Type Geostationary Mode TR - Transmit-Receive Modulation Digital Satellite Arc 222° W to 222° West Longitude Azimuth Range 259.8° to 259.8° Corresponding Elevation Angles 15.7° / 15.7° Antenna Centerline (AGL) 9.8 m / 32.2 ft Antenna Information Receive - FCC32 Transmit - FCC32 Manufacturer Vertex Vertex Model 9 KPC 9 KPC Gain / Diameter 50.1 dBi / 9.0 m 53.5 dBi / 9.0 m 3-dB / 15-dB Beamwidth 1.00° / 2.00° 1.00° / 2.00° Max Available RF Power (dBW/4 kHz) 6.5 (dBW/MHz) 30.5 Maximum EIRP (dBW/4 kHz) 60.0 (dBW/MHz) 84.0 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 4.0 GHz Transmit 6.1 GHz Emission / Frequency Range (MHz) 250KFXD / 3630.0 800KFXD / 5850.5 800KFXD / 6425.0 Max Great Circle Coordination Distance 372.9 km / 231.7 mi 258.6 km / 160.7 mi Precipitation Scatter Contour Radius 375.7 km / 233.4 mi 241.9 km / 150.3 mi Frequency Coordination and Interference Analysis Report 04/16/2019 Page 7 of 10

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5500 http://www.comsearch.com Coordination Values PAUMALU, HI Licensee Name Intelsat License LLC Latitude (NAD 83) 21° 40' 27.0" N Longitude (NAD 83) 158° 2' 16.0" W Ground Elevation (AMSL) 8.41 m / 27.6 ft Antenna Centerline (AGL) 9.8 m / 32.2 ft Antenna Model Vertex 9 meter Antenna Mode Receive 4.0 GHz Transmit 6.1 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 6.5 (dBW/4 kHz) Receive 4.0 GHz Transmit 6.1 GHz Horizon Antenna Horizon Coordination Horizon Coordination Azimuth (°) Elevation (°) Discrimination (°) Gain (dBi) Distance (km) Gain (dBi) Distance (km) 0 0.00 99.84 -10.00 285.28 -10.00 206.04 5 0.00 104.65 -10.00 285.28 -10.00 206.04 10 0.00 109.44 -10.00 285.28 -10.00 206.04 15 0.00 114.23 -10.00 285.28 -10.00 206.04 20 0.00 118.99 -10.00 285.28 -10.00 206.04 25 0.00 123.73 -10.00 285.28 -10.00 206.04 30 0.00 128.44 -10.00 285.28 -10.00 206.04 35 0.00 133.11 -10.00 285.28 -10.00 206.04 40 0.00 137.73 -10.00 285.28 -10.00 206.04 45 0.00 142.26 -10.00 285.28 -10.00 206.04 50 1.74 147.39 -10.00 201.62 -10.00 129.01 55 4.34 152.90 -10.00 142.74 -10.00 100.00 60 6.14 158.12 -10.00 123.66 -10.00 100.00 65 8.30 163.51 -10.00 101.18 -10.00 100.00 70 9.74 168.57 -10.00 100.00 -10.00 100.00 75 10.84 173.19 -10.00 100.00 -10.00 100.00 80 11.22 175.51 -10.00 100.00 -10.00 100.00 85 10.24 172.44 -10.00 100.00 -10.00 100.00 90 10.47 168.52 -10.00 100.00 -10.00 100.00 95 10.71 163.99 -10.00 100.00 -10.00 100.00 100 12.34 159.50 -10.00 100.00 -10.00 100.00 105 13.19 154.65 -10.00 100.00 -10.00 100.00 110 13.95 149.72 -10.00 100.00 -10.00 100.00 115 14.37 144.75 -10.00 100.00 -10.00 100.00 120 14.79 139.76 -10.00 100.00 -10.00 100.00 125 14.95 134.77 -10.00 100.00 -10.00 100.00 130 15.13 129.77 -10.00 100.00 -10.00 100.00 135 15.48 124.77 -10.00 100.00 -10.00 100.00 140 15.31 119.77 -10.00 100.00 -10.00 100.00 145 14.94 114.77 -10.00 100.00 -10.00 100.00 150 14.71 109.77 -10.00 100.00 -10.00 100.00 155 14.49 104.77 -10.00 100.00 -10.00 100.00 160 14.27 99.77 -10.00 100.00 -10.00 100.00 165 13.81 94.77 -10.00 100.00 -10.00 100.00 170 11.62 89.77 -10.00 100.00 -10.00 100.00 175 10.02 84.80 -10.00 100.00 -10.00 100.00 180 9.24 79.84 -10.00 100.00 -10.00 100.00 185 7.02 74.95 -10.00 114.15 -10.00 100.00 Frequency Coordination and Interference Analysis Report 04/16/2019 Page 8 of 10

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5500 http://www.comsearch.com Coordination Values PAUMALU, HI Licensee Name Intelsat License LLC Latitude (NAD 83) 21° 40' 27.0" N Longitude (NAD 83) 158° 2' 16.0" W Ground Elevation (AMSL) 8.41 m / 27.6 ft Antenna Centerline (AGL) 9.8 m / 32.2 ft Antenna Model Vertex 9 meter Antenna Mode Receive 4.0 GHz Transmit 6.1 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 6.5 (dBW/4 kHz) Receive 4.0 GHz Transmit 6.1 GHz Horizon Antenna Horizon Coordination Horizon Coordination Azimuth (°) Elevation (°) Discrimination (°) Gain (dBi) Distance (km) Gain (dBi) Distance (km) 190 8.47 69.94 -10.00 100.00 -10.00 100.00 195 7.83 65.02 -10.00 105.60 -10.00 100.00 200 7.30 60.13 -10.00 111.13 -10.00 100.00 205 6.84 55.25 -10.00 116.08 -10.00 100.00 210 6.67 50.37 -10.00 117.89 -10.00 100.00 215 5.74 45.63 -9.48 129.74 -9.48 100.00 220 3.28 41.36 -8.41 173.12 -8.41 104.16 225 0.00 37.74 -7.42 302.22 -7.42 214.61 230 0.00 33.32 -6.07 311.53 -6.07 220.28 235 0.00 29.06 -4.58 322.66 -4.58 226.75 240 0.00 25.05 -2.97 334.34 -2.97 234.08 245 0.00 21.43 -1.28 346.92 -1.28 242.11 250 0.00 18.43 0.36 359.39 0.36 249.59 255 0.00 16.39 1.63 369.26 1.63 256.15 260 0.00 15.71 2.10 372.93 2.10 258.63 265 0.00 16.53 1.54 368.55 1.54 255.68 270 0.00 18.67 0.22 358.30 0.22 248.87 275 0.00 21.74 -1.43 345.75 -1.43 241.36 280 0.00 25.41 -3.12 333.22 -3.12 233.37 285 0.00 29.44 -4.72 321.64 -4.72 226.12 290 0.00 33.72 -6.20 310.62 -6.20 219.73 295 0.00 38.15 -7.54 301.42 -7.54 214.13 300 0.00 42.70 -8.76 293.29 -8.76 209.22 305 0.00 47.31 -9.87 286.08 -9.87 204.89 310 0.00 51.99 -10.00 285.28 -10.00 206.04 315 0.00 56.70 -10.00 285.28 -10.00 206.04 320 0.00 61.45 -10.00 285.28 -10.00 206.04 325 0.00 66.21 -10.00 285.28 -10.00 206.04 330 0.00 71.00 -10.00 285.28 -10.00 206.04 335 0.00 75.79 -10.00 285.28 -10.00 206.04 340 0.00 80.60 -10.00 285.28 -10.00 206.04 345 0.00 85.41 -10.00 285.28 -10.00 206.04 350 0.00 90.22 -10.00 285.28 -10.00 206.04 355 0.00 95.03 -10.00 285.28 -10.00 206.04 Frequency Coordination and Interference Analysis Report 04/16/2019 Page 9 of 10

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 16, 2019 Frequency Coordination and Interference Analysis Report 04/16/2019 Page 10 of 10


Document Created: 2019-04-18 09:33:52
Document Modified: 2019-04-18 09:33:52
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