Attachment Exhibit A

This document pretains to SES-MOD-20181030-03741 for Modification on a Satellite Earth Station filing.

IBFS_SESMOD2018103003741_1562546

Exhibit A Frequency Coordination Per 47 C.F.R. Ch. 1 §25.130(b), attached is a “Frequency Coordination and Interference Analysis Report” performed pursuant to 47 C.F.R. Ch. 1 §25.203.

FREQUENCY COORDINATION AND INTERFERENCE ANALYSIS REPORT Prepared for GCI Communications Corp. KING SALMON, AK Satellite Earth Station Prepared By: COMSEARCH 19700 Janelia Farm Boulevard Ashburn, VA 20147 October 17, 2018

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 10/17/2018 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 10/17/2018 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. The following companies reported potential great circle interference conflicts that did not meet the objectives on a line-of-sight basis. When over-the-horizon losses are considered on the interfering paths, sufficient blockage exists to negate harmful interference from occurring with the proposed transmit-receive earth station. Company United Utilities, Inc. No other carriers reported potential interference cases. Frequency Coordination and Interference Analysis Report 10/17/2018 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 10/02/2018. Company Kodiak Microwave System United Utilities, Inc. Frequency Coordination and Interference Analysis Report 10/17/2018 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 10/17/2018 Page 6 of 10

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5500 http://www.comsearch.com Date: 10/02/2018 Job Number: 181002COMSTC25 Administrative Information Call Sign E960385 Licensee Code P3203 Licensee Name GCI Communications Corp. Site Information KING SALMON, AK Latitude (NAD 83) 58° 40' 26.9" N Longitude (NAD 83) 156° 39' 25.6" W Climate Zone B Rain Zone 2 Ground Elevation (AMSL) 16.76 m / 55.0 ft Link Information Satellite Type Geostationary Mode TR - Transmit-Receive Modulation Digital Satellite Arc 94° W to 219° West Longitude Azimuth Range 113.8° to 245.9° Corresponding Elevation Angles 5.2° / 5.3° Antenna Centerline (AGL) 6.52 m / 21.4 ft Antenna Information Receive - S40911 Transmit - S60911 Manufacturer SCIENTIFIC-ATLANTA, INC SCIENTIFIC-ATLANTA, INC Model 8009A 9.1 METER 8009A 9.1 METER Gain / Diameter 50.3 dBi / 9.1 m 53.8 dBi / 9.1 m 3-dB / 15-dB Beamwidth 0.52° / 1.06° 0.36° / 0.72° 45K0G7W - 108MG7W 45K0D7W - 108MD7W Max Available RF Power (dBW/4 kHz) -2.7 -18.29 (dBW/MHz) 21.3 5.71 Maximum EIRP (dBW/4 kHz) 51.12 35.51 (dBW/MHz) 61.61 59.51 (dBW) 61.61 79.82 Interference Objectives: Long Term -156.0 dBW/MHz 20% -154.0 dBW/4 kHz 20% Short Term -145.0 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) 45K0G7W - 108MG7W / 3700.0 - 4200.0 45K0G7W - 108MG7W / 5925.0 - 6425.0 45K0D7W - 108MD7W / 3700.0 - 4200.0 45K0D7W - 108MD7W / 5925.0 - 6425.0 Max Great Circle Coordination Distance 740.6 km / 460.1 mi 392.5 km / 243.9 mi Precipitation Scatter Contour Radius 615.1 km / 382.1 mi 101.6 km / 63.1 mi Frequency Coordination and Interference Analysis Report 10/17/2018 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 KING SALMON, AK Licensee Name GCI Communications Corp. Latitude (NAD 83) 58° 40' 26.9" N Longitude (NAD 83) 156° 39' 25.6" W Ground Elevation (AMSL) 16.76 m / 55.0 ft Antenna Centerline (AGL) 6.52 m / 21.4 ft Antenna Model SCIENTIFIC-ATLANTA, INC 8009A 9.1 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 -145.0 dBW/MHz 0.01% -131.0 dBW/4 kHz 0.0025% Max Available RF Power -2.7 (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 0.00 113.73 -10.70 391.70 -15.68 170.48 5 0.00 108.76 -10.70 391.70 -11.34 192.86 10 0.00 103.78 -10.70 391.70 -11.25 193.37 15 0.00 98.80 -10.70 391.70 -11.34 192.86 20 0.00 93.82 -10.70 391.70 -11.46 192.21 25 0.00 88.84 -10.70 391.70 -11.32 192.99 30 0.00 83.86 -10.70 391.70 -11.27 193.25 35 0.00 78.88 -10.70 391.70 -11.38 192.65 40 0.00 73.90 -10.70 391.70 -11.45 192.30 45 0.00 68.92 -10.70 391.70 -11.31 193.04 50 0.00 63.95 -10.70 391.70 -11.41 192.47 55 0.00 58.97 -10.70 391.70 -11.32 193.01 60 0.00 54.00 -10.70 391.70 -11.47 192.14 65 0.00 49.04 -9.51 405.96 -11.23 193.47 70 0.00 44.07 -8.51 418.26 -9.01 206.45 75 0.24 39.09 -7.34 417.17 -7.84 205.28 80 0.35 34.13 -5.53 402.20 -6.03 196.78 85 0.38 29.19 -4.54 405.90 -4.88 199.10 90 0.31 24.29 -3.42 443.91 -3.20 220.96 95 0.00 19.50 -1.70 513.03 -2.90 244.52 100 0.32 14.64 -1.34 467.00 -0.20 237.61 105 0.27 10.08 3.22 561.57 3.72 274.86 110 0.00 6.42 8.46 693.28 8.38 331.35 115 0.00 5.28 10.74 740.58 10.24 392.51 120 0.00 7.42 6.88 661.86 6.95 330.64 125 0.00 9.68 3.62 601.84 4.12 297.14 130 0.00 11.79 1.51 564.97 2.01 277.46 135 0.00 13.80 -0.50 531.86 -0.00 262.67 140 0.00 15.67 -1.70 513.03 -0.60 258.47 145 0.00 17.37 -1.70 513.03 -1.62 253.12 150 0.00 18.88 -1.70 513.03 -2.53 246.98 155 0.00 20.21 -1.78 511.74 -3.20 242.55 160 0.00 21.32 -2.23 504.93 -3.20 242.55 165 0.00 22.19 -2.58 499.61 -3.20 242.55 170 0.00 22.83 -2.83 495.79 -3.20 242.55 175 0.00 23.22 -2.99 493.47 -3.20 242.55 180 0.00 23.35 -3.04 492.70 -3.20 242.55 185 0.00 23.22 -2.99 493.48 -3.20 242.55 Frequency Coordination and Interference Analysis Report 10/17/2018 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 KING SALMON, AK Licensee Name GCI Communications Corp. Latitude (NAD 83) 58° 40' 26.9" N Longitude (NAD 83) 156° 39' 25.6" W Ground Elevation (AMSL) 16.76 m / 55.0 ft Antenna Centerline (AGL) 6.52 m / 21.4 ft Antenna Model SCIENTIFIC-ATLANTA, INC 8009A 9.1 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 -145.0 dBW/MHz 0.01% -131.0 dBW/4 kHz 0.0025% Max Available RF Power -2.7 (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 0.00 22.83 -2.83 495.77 -3.20 242.55 195 0.00 22.19 -2.58 499.61 -3.20 242.55 200 0.00 21.31 -2.23 504.95 -3.20 242.55 205 0.00 20.20 -1.78 511.76 -3.20 242.55 210 0.00 18.88 -1.70 513.03 -2.53 246.99 215 0.00 17.36 -1.70 513.03 -1.62 253.13 220 0.00 15.66 -1.70 513.03 -0.60 258.50 225 0.00 13.81 -0.51 531.83 -0.01 262.65 230 0.00 11.80 1.50 564.92 2.00 277.44 235 0.00 9.66 3.64 602.05 4.14 296.63 240 0.00 7.43 6.87 661.75 6.94 334.51 245 0.00 5.38 10.55 736.58 10.05 388.82 250 0.00 6.71 7.88 681.54 8.09 328.65 255 0.00 10.54 2.76 586.60 3.26 287.25 260 0.00 15.06 -1.70 513.03 -0.24 261.02 265 0.00 19.81 -1.70 513.03 -3.09 243.28 270 0.00 24.66 -3.56 484.94 -3.20 242.55 275 0.00 29.56 -4.61 469.85 -5.02 230.76 280 0.00 34.48 -5.60 456.73 -6.10 224.02 285 0.00 39.42 -7.47 431.67 -7.97 212.63 290 0.00 44.37 -8.57 417.52 -9.07 206.11 295 0.00 49.33 -9.57 405.24 -11.48 192.11 300 0.00 54.30 -10.70 391.70 -11.34 192.86 305 0.00 59.27 -10.70 391.70 -11.24 193.41 310 0.00 64.24 -10.70 391.70 -11.41 192.50 315 0.00 69.21 -10.70 391.70 -11.24 193.41 320 0.00 74.19 -10.70 391.70 -11.32 192.98 325 0.00 79.17 -10.70 391.70 -11.41 192.51 330 0.00 84.14 -10.70 391.70 -11.44 192.34 335 0.00 89.12 -10.70 391.70 -11.42 192.45 340 0.00 94.10 -10.70 391.70 -11.35 192.84 345 0.00 99.08 -10.70 391.70 -11.23 193.49 350 0.00 104.06 -10.70 391.70 -11.43 192.39 355 0.00 109.03 -10.70 391.70 -11.23 193.48 Frequency Coordination and Interference Analysis Report 10/17/2018 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: ___________________________ Timothy O. Crutcher Frequency Planner COMSEARCH 19700 Janelia Farm Boulevard Ashburn, VA 20147 DATED: October 17, 2018 Frequency Coordination and Interference Analysis Report 10/17/2018 Page 10 of 10

FREQUENCY COORDINATION AND INTERFERENCE ANALYSIS REPORT Prepared for GCI Communications Corp. KING SALMON, AK Satellite Earth Station Prepared By: COMSEARCH 19700 Janelia Farm Boulevard Ashburn, VA 20147 October 17, 2018

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 10/17/2018 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 10/17/2018 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. The following companies reported potential great circle interference conflicts that did not meet the objectives on a line-of-sight basis. When over-the-horizon losses are considered on the interfering paths, sufficient blockage exists to negate harmful interference from occurring with the proposed transmit-receive earth station. Company United Utilities, Inc. No other carriers reported potential interference cases. Frequency Coordination and Interference Analysis Report 10/17/2018 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 10/02/2018. Company Kodiak Microwave System United Utilities, Inc. Frequency Coordination and Interference Analysis Report 10/17/2018 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 10/17/2018 Page 6 of 10

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5500 http://www.comsearch.com Date: 10/02/2018 Job Number: 181002COMSTC24 Administrative Information Call Sign E960385 Licensee Code P3203 Licensee Name GCI Communications Corp. Site Information KING SALMON, AK Latitude (NAD 83) 58° 40' 26.9" N Longitude (NAD 83) 156° 39' 25.6" W Climate Zone B Rain Zone 2 Ground Elevation (AMSL) 16.76 m / 55.0 ft Link Information Satellite Type Geostationary Mode TR - Transmit-Receive Modulation Digital Satellite Arc 95° W to 145° West Longitude Azimuth Range 114.7° to 166.4° Corresponding Elevation Angles 5.6° / 22.6° Antenna Centerline (AGL) 6.52 m / 21.4 ft Antenna Information Receive Transmit Manufacturer Viasat / Scientific-Atlanta Viasat / Scientific-Atlanta Model 8136 8136 Gain / Diameter 41.8 dBi / 3.6 m 45.9 dBi / 3.6 m 3-dB / 15-dB Beamwidth 1.40° / 3.00° 0.90° / 1.70° 45K0G7W - 108MG7W 45K0D7W - 108MD7W Max Available RF Power (dBW/4 kHz) -2.7 -18.29 (dBW/MHz) 21.3 5.71 Maximum EIRP (dBW/4 kHz) 43.2 27.61 (dBW/MHz) 67.2 51.61 (dBW) 53.71 71.92 Interference Objectives: Long Term -150.0 dBW/MHz 20% -154.0 dBW/4 kHz 20% Short Term -140.0 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) 45K0G7W - 108MG7W / 3700.0 - 4200.0 45K0G7W - 108MG7W / 5925.0 - 6425.0 45K0D7W - 108MD7W / 3700.0 - 4200.0 45K0D7W - 108MD7W / 5925.0 - 6425.0 Max Great Circle Coordination Distance 688.4 km / 427.7 mi 379.1 km / 235.6 mi Precipitation Scatter Contour Radius 597.7 km / 371.3 mi 101.1 km / 62.8 mi Frequency Coordination and Interference Analysis Report 10/17/2018 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 KING SALMON, AK Licensee Name GCI Communications Corp. Latitude (NAD 83) 58° 40' 26.9" N Longitude (NAD 83) 156° 39' 25.6" W Ground Elevation (AMSL) 16.76 m / 55.0 ft Antenna Centerline (AGL) 6.52 m / 21.4 ft Antenna Mode Receive 4.0 GHz Transmit 6.1 GHz Interference Objectives: Long Term -150.0 dBW/MHz 20% -154.0 dBW/4 kHz 20% Short Term -140.0 dBW/MHz 0.01% -131.0 dBW/4 kHz 0.0025% Max Available RF Power -2.7 (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 0.00 114.61 -10.00 346.50 -10.00 200.77 5 0.00 109.64 -10.00 346.50 -10.00 200.77 10 0.00 104.67 -10.00 346.50 -10.00 200.77 15 0.00 99.69 -10.00 346.50 -10.00 200.77 20 0.00 94.72 -10.00 346.50 -10.00 200.77 25 0.00 89.74 -10.00 346.50 -10.00 200.77 30 0.00 84.77 -10.00 346.50 -10.00 200.77 35 0.00 79.79 -10.00 346.50 -10.00 200.77 40 0.00 74.82 -10.00 346.50 -10.00 200.77 45 0.00 69.84 -10.00 346.50 -10.00 200.77 50 0.00 64.87 -10.00 346.50 -10.00 200.77 55 0.00 59.90 -10.00 346.50 -10.00 200.77 60 0.00 54.94 -10.00 346.50 -10.00 200.77 65 0.00 49.98 -10.00 346.50 -10.00 200.77 70 0.00 45.02 -9.34 351.74 -9.34 204.59 75 0.24 40.05 -8.06 351.57 -8.06 203.97 80 0.35 35.09 -6.63 336.62 -6.63 193.01 85 0.38 30.16 -4.99 346.10 -4.99 198.47 90 0.31 25.27 -3.07 385.51 -3.07 221.79 95 0.00 20.50 -0.79 454.02 -0.79 258.77 100 0.32 15.65 2.14 446.41 2.14 253.37 105 0.27 11.11 5.86 523.01 5.86 291.73 110 0.00 7.36 10.33 632.39 10.33 349.47 115 0.00 5.64 13.22 688.41 13.22 379.13 120 0.00 7.42 10.24 630.63 10.24 348.54 125 0.00 9.68 7.36 579.56 7.36 321.99 130 0.00 11.79 5.21 543.38 5.21 303.21 135 0.00 13.80 3.50 516.13 3.50 289.15 140 0.00 15.67 2.12 495.12 2.12 278.37 145 0.00 17.37 1.01 478.71 1.01 269.99 150 0.00 18.88 0.10 465.74 0.10 263.39 155 0.00 20.21 -0.64 456.15 -0.64 258.22 160 0.00 21.32 -1.22 448.24 -1.22 255.85 165 0.00 22.19 -1.66 442.36 -1.66 252.87 170 0.00 22.85 -1.97 438.17 -1.97 250.73 175 0.00 24.08 -2.54 430.73 -2.54 246.92 180 0.00 26.16 -3.44 419.17 -3.44 240.95 185 0.00 28.93 -4.53 405.65 -4.53 233.88 Frequency Coordination and Interference Analysis Report 10/17/2018 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 KING SALMON, AK Licensee Name GCI Communications Corp. Latitude (NAD 83) 58° 40' 26.9" N Longitude (NAD 83) 156° 39' 25.6" W Ground Elevation (AMSL) 16.76 m / 55.0 ft Antenna Centerline (AGL) 6.52 m / 21.4 ft Antenna Mode Receive 4.0 GHz Transmit 6.1 GHz Interference Objectives: Long Term -150.0 dBW/MHz 20% -154.0 dBW/4 kHz 20% Short Term -140.0 dBW/MHz 0.01% -131.0 dBW/4 kHz 0.0025% Max Available RF Power -2.7 (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 0.00 32.19 -5.69 391.77 -5.69 226.53 195 0.00 35.82 -6.85 378.45 -6.85 219.36 200 0.00 39.71 -7.97 366.10 -7.97 212.60 205 0.00 43.79 -9.04 354.84 -9.04 206.33 210 0.00 48.02 -10.00 346.50 -10.00 200.77 215 0.00 52.34 -10.00 346.50 -10.00 200.77 220 0.00 56.75 -10.00 346.50 -10.00 200.77 225 0.00 61.22 -10.00 346.50 -10.00 200.77 230 0.00 65.74 -10.00 346.50 -10.00 200.77 235 0.00 70.29 -10.00 346.50 -10.00 200.77 240 0.00 74.87 -10.00 346.50 -10.00 200.77 245 0.00 79.46 -10.00 346.50 -10.00 200.77 250 0.00 84.07 -10.00 346.50 -10.00 200.77 255 0.00 88.68 -10.00 346.50 -10.00 200.77 260 0.00 93.30 -10.00 346.50 -10.00 200.77 265 0.00 97.91 -10.00 346.50 -10.00 200.77 270 0.00 102.52 -10.00 346.50 -10.00 200.77 275 0.00 107.10 -10.00 346.50 -10.00 200.77 280 0.00 111.67 -10.00 346.50 -10.00 200.77 285 0.00 116.21 -10.00 346.50 -10.00 200.77 290 0.00 120.71 -10.00 346.50 -10.00 200.77 295 0.00 125.15 -10.00 346.50 -10.00 200.77 300 0.00 129.53 -10.00 346.50 -10.00 200.77 305 0.00 133.81 -10.00 346.50 -10.00 200.77 310 0.00 137.98 -10.00 346.50 -10.00 200.77 315 0.00 141.99 -10.00 346.50 -10.00 200.77 320 0.00 145.78 -10.00 346.50 -10.00 200.77 325 0.00 149.26 -10.00 346.50 -10.00 200.77 330 0.00 144.35 -10.00 346.50 -10.00 200.77 335 0.00 139.42 -10.00 346.50 -10.00 200.77 340 0.00 134.47 -10.00 346.50 -10.00 200.77 345 0.00 129.51 -10.00 346.50 -10.00 200.77 350 0.00 124.55 -10.00 346.50 -10.00 200.77 355 0.00 119.58 -10.00 346.50 -10.00 200.77 Frequency Coordination and Interference Analysis Report 10/17/2018 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: ___________________________ Timothy O. Crutcher Frequency Planner COMSEARCH 19700 Janelia Farm Boulevard Ashburn, VA 20147 DATED: October 17, 2018 Frequency Coordination and Interference Analysis Report 10/17/2018 Page 10 of 10


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Document Modified: 2018-10-23 08:46:50
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