Attachment Coordination report

This document pretains to SES-REG-INTR2018-02342 for Earth Station Registration on a Satellite Earth Station filing.

IBFS_SESREGINTR201802342_1414234

FREQUENCY COORDINATION AND INTERFERENCE ANALYSIS REPORT Prepared for K95.5, INC. CHECOTAH, OK Satellite Earth Station Prepared By: COMSEARCH 19700 Janelia Farm Boulevard Ashburn, VA 20147 June 06, 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 06/06/2018 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 06/06/2018 Page 3 of 10

2. SUMMARY OF RESULTS No great circle interference cases were identified during the interference study of the proposed earth station. Frequency Coordination and Interference Analysis Report 06/06/2018 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 06/06/2018. Company Comsearch Frequency Coordination and Interference Analysis Report 06/06/2018 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 06/06/2018 Page 6 of 10

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5500 http://www.comsearch.com Date: 06/06/2018 Job Number: 180606COMSGE21 Administrative Information Status ENGINEER PROPOSAL Call Sign Licensee Code K95INC Licensee Name K95.5, INC. Site Information CHECOTAH, OK Venue Name Latitude (NAD 83) 35° 21' 49.6" N Longitude (NAD 83) 95° 34' 19.9" W Climate Zone A Rain Zone 2 Ground Elevation (AMSL) 208.17 m / 683.0 ft Link Information Satellite Type Geostationary Mode RO - Receive-Only Modulation Digital Satellite Arc 60° W to 143° West Longitude Azimuth Range 129.0° to 242.0° Corresponding Elevation Angles 34.4° / 25.6° Antenna Centerline (AGL) 2.74 m / 9.0 ft Antenna Information Receive - P40371 Manufacturer PRODELIN CORPORATION Model 136-750 Gain / Diameter 41.7 dBi / 3.7 m 3-dB / 15-dB Beamwidth 1.40° / 2.40° Interference Objectives: Long Term -156.0 dBW/MHz 20% Short Term -146.0 dBW/MHz 0.01% Frequency Information Receive 4.0 GHz Emission / Frequency Range (MHz) 36M0G7W / 3700.0 - 4200.0 Max Great Circle Coordination Distance 338.2 km / 210.1 mi Precipitation Scatter Contour Radius 494.5 km / 307.3 mi Frequency Coordination and Interference Analysis Report 06/06/2018 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 CHECOTAH, OK Licensee Name K95.5, INC. Latitude (NAD 83) 35° 21' 49.6" N Longitude (NAD 83) 95° 34' 19.9" W Ground Elevation (AMSL) 208.17 m / 683.0 ft Antenna Centerline (AGL) 2.74 m / 9.0 ft Antenna Model PRODELIN CORPORATION 136-750 Antenna Mode Receive 4.0 GHz Interference Objectives: Long Term -156.0 dBW/MHz 20% Short Term -146.0 dBW/MHz 0.01% Receive 4.0 GHz Horizon Antenna Horizon Coordination Azimuth (°) Elevation (°) Discrimination (°) Gain (dBi) Distance (km) 0 0.00 115.04 -10.30 283.38 5 0.00 117.47 -10.30 283.38 10 0.00 113.57 -10.30 283.38 15 0.00 109.60 -10.30 283.38 20 0.00 105.57 -10.30 283.38 25 0.00 101.50 -10.30 283.38 30 0.00 97.40 -10.30 283.38 35 0.22 93.30 -10.30 280.69 40 0.26 89.16 -10.30 276.39 45 0.00 85.04 -10.30 283.38 50 0.21 80.90 -10.30 281.74 55 0.00 76.84 -10.30 283.38 60 0.00 72.78 -10.30 283.38 65 0.00 68.78 -10.30 283.38 70 0.00 64.83 -10.30 283.38 75 0.00 60.97 -10.30 283.38 80 0.31 57.07 -10.30 269.33 85 0.35 53.40 -10.30 265.25 90 0.36 49.89 -10.28 264.49 95 0.00 46.82 -9.66 287.43 100 0.00 43.79 -8.81 292.93 105 0.00 41.06 -7.72 300.17 110 0.00 38.70 -6.78 306.58 115 0.00 36.79 -6.02 311.88 120 0.00 35.40 -5.46 316.43 125 0.00 34.59 -5.13 318.73 130 0.00 34.40 -5.06 319.26 135 0.00 34.84 -5.24 318.00 140 0.00 35.90 -5.66 315.02 145 0.00 37.51 -6.30 309.88 150 0.00 39.61 -7.14 304.09 155 0.00 42.11 -8.14 297.37 160 0.00 44.43 -9.07 291.25 165 0.00 46.33 -9.57 288.05 170 0.00 47.76 -9.85 286.23 175 0.00 48.64 -10.03 285.11 180 0.00 48.94 -10.09 284.72 185 0.00 48.64 -10.03 285.11 Frequency Coordination and Interference Analysis Report 06/06/2018 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 CHECOTAH, OK Licensee Name K95.5, INC. Latitude (NAD 83) 35° 21' 49.6" N Longitude (NAD 83) 95° 34' 19.9" W Ground Elevation (AMSL) 208.17 m / 683.0 ft Antenna Centerline (AGL) 2.74 m / 9.0 ft Antenna Model PRODELIN CORPORATION 136-750 Antenna Mode Receive 4.0 GHz Interference Objectives: Long Term -156.0 dBW/MHz 20% Short Term -146.0 dBW/MHz 0.01% Receive 4.0 GHz Horizon Antenna Horizon Coordination Azimuth (°) Elevation (°) Discrimination (°) Gain (dBi) Distance (km) 190 0.00 47.76 -9.85 286.23 195 0.00 46.33 -9.57 288.05 200 0.00 44.43 -9.07 291.25 205 0.00 42.10 -8.14 297.37 210 0.00 39.43 -7.07 304.60 215 0.00 36.46 -5.88 313.44 220 0.00 33.30 -4.62 322.40 225 0.00 30.45 -3.48 330.62 230 0.00 28.14 -2.93 334.64 235 0.00 26.52 -2.60 337.03 240 0.00 25.72 -2.44 338.21 245 0.00 25.81 -2.46 338.08 250 0.00 26.79 -2.66 336.64 255 0.00 28.55 -3.01 334.04 260 0.00 30.98 -3.69 329.07 265 0.00 33.92 -4.87 320.61 270 0.00 37.26 -6.20 310.59 275 0.00 40.88 -7.65 300.64 280 0.00 44.74 -9.19 290.46 285 0.00 48.76 -10.05 284.96 290 0.21 52.83 -10.30 282.09 295 0.32 57.05 -10.30 268.37 300 0.40 61.36 -10.30 259.76 305 0.53 65.73 -10.30 245.86 310 0.64 70.15 -10.30 239.03 315 0.54 74.65 -10.30 245.36 320 0.44 79.16 -10.30 255.27 325 0.21 83.68 -10.30 282.49 330 0.00 88.20 -10.30 283.38 335 0.00 92.71 -10.30 283.38 340 0.00 97.21 -10.30 283.38 345 0.00 101.70 -10.30 283.38 350 0.00 106.18 -10.30 283.38 355 0.00 110.62 -10.30 283.38 Frequency Coordination and Interference Analysis Report 06/06/2018 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: _ Gary K. Edwards Senior Manager COMSEARCH 19700 Janelia Farm Boulevard Ashburn, VA 20147 DATED: June 06, 2018 Frequency Coordination and Interference Analysis Report 06/06/2018 Page 10 of 10


Document Created: 2018-06-06 11:08:47
Document Modified: 2018-06-06 11:08:47
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