Attachment Exhibit A

This document pretains to SES-LIC-20121011-00917 for License on a Satellite Earth Station filing.

IBFS_SESLIC2012101100917_964769

Exhibit A FREQUENCY COORDINATION AND INTERFERENCE ANALYSIS REPORT Prepared for Mark C. Wilson Odessa, Florida Satellite Earth Station Prepared By: COMSEARCH 19700 Janelia Farm Boulevard Ashburn, Virginia 20147 August 26, 2012

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 08/26/2012 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 08/26/2012 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 Duke Energy Business Services, LLC Harris Corporation - Orlando, FL Pasco County Information Technology Verizon Wireless Personal Comm., LP (S FL) No other carriers reported potential interference cases. Frequency Coordination and Interference Analysis Report 08/26/2012 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. Expedited coordination data for this earth station was emailed and sent to the below listed carriers with a letter dated July 14, 2012. Company Alltel Communications LLC - S Florida Alltel Communications, LLC - Arkansas Board of Sumter County Commissioners Daystar Communications Florida Power Corporation Florida Rural Broadband Alliance, LLC Harris Corporation - Orlando, FL Hernando County Board of Co Commissioner Hillsborough County Sheriff's Office Hillsborough County Tax Collector Lake, County of New Cingular Wireless PCS LLC - N FL North Florida Broadband Authority PINELLAS COUNTY POLK, COUNTY OF Pasco County Information Technology Progress Energy Service Company South Florida Water Management District Sumter Electric Cooperative, Inc. T-MOBILE USA, INC. Tampa Electric Company Verizon Wireless Personal Comm, LP(S FL) Villages Public Saftey Frequency Coordination and Interference Analysis Report 08/26/2012 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 08/26/2012 Page 6 of 10

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5500 http://www.comsearch.com Date: 08/26/2012 Job Number: 120714COMSJC01 Administrative Information Status ENGINEER PROPOSAL Call Sign Licensee Code MARWIL Licensee Name Mark C. Wilson Site Information ODESSA, FLORIDA Venue Name Latitude (NAD 83) 28° 11' 47.3" N Longitude (NAD 83) 82° 37' 35.3" W Climate Zone A Rain Zone 1 Ground Elevation (AMSL) 11.28 m / 37.0 ft Link Information Satellite Type Geostationary Mode TR - Transmit-Receive Modulation Digital Satellite Arc 61° W to 137° West Longitude Azimuth Range 140.0° to 251.3° Corresponding Elevation Angles 49.4° / 22.9° Antenna Centerline (AGL) 3.05 m / 10.0 ft Antenna Information Receive Transmit Manufacturer Prodelin Prodelin Model 1383 1383 Gain / Diameter 41.8 dBi / 3.8 m 46.2 dBi / 3.8 m 3-dB / 15-dB Beamwidth 1.40° / 2.60° 0.85° / 1.60° Max Available RF Power (dBW/4 kHz) -14.2 (dBW/MHz) 9.8 Maximum EIRP (dBW/4 kHz) 32.0 (dBW/MHz) 56.0 (dBW) 61.0 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) 3M20G7W / 3700.0 - 4200.0 3M20G7W / 5925.0 - 6425.0 Max Great Circle Coordination Distance 341.5 km / 212.2 mi 155.8 km / 96.8 mi Precipitation Scatter Contour Radius 572.9 km / 356.0 mi 100.0 km / 62.1 mi Frequency Coordination and Interference Analysis Report 08/26/2012 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 ODESSA, FL Licensee Name Mark C. Wilson Latitude (NAD 83) 28° 11' 47.3" N Longitude (NAD 83) 82° 37' 35.3" W Ground Elevation (AMSL) 11.28 m / 37.0 ft Antenna Centerline (AGL) 3.05 m / 10.0 ft Antenna Model Prodelin 1383 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 -14.2 (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 0.00 107.19 -10.00 285.28 -10.00 132.31 5 0.00 111.74 -10.00 285.28 -10.00 132.31 10 0.00 114.75 -10.00 285.28 -10.00 132.31 15 0.00 111.94 -10.00 285.28 -10.00 132.31 20 0.00 109.01 -10.00 285.28 -10.00 132.31 25 0.00 105.98 -10.00 285.28 -10.00 132.31 30 0.00 102.87 -10.00 285.28 -10.00 132.31 35 0.00 99.71 -10.00 285.28 -10.00 132.31 40 0.00 96.50 -10.00 285.28 -10.00 132.31 45 0.00 93.26 -10.00 285.28 -10.00 132.31 50 0.00 90.00 -10.00 285.28 -10.00 132.31 55 0.00 86.75 -10.00 285.28 -10.00 132.31 60 0.00 83.51 -10.00 285.28 -10.00 132.31 65 0.00 80.30 -10.00 285.28 -10.00 132.31 70 0.00 77.13 -10.00 285.28 -10.00 132.31 75 0.00 74.03 -10.00 285.28 -10.00 132.31 80 0.00 71.00 -10.00 285.28 -10.00 132.31 85 0.00 68.07 -10.00 285.28 -10.00 132.31 90 0.00 65.25 -10.00 285.28 -10.00 132.31 95 0.00 62.58 -10.00 285.28 -10.00 132.31 100 0.00 60.07 -10.00 285.28 -10.00 132.31 105 0.00 57.76 -10.00 285.28 -10.00 132.31 110 0.00 55.67 -10.00 285.28 -10.00 132.31 115 0.00 53.83 -10.00 285.28 -10.00 132.31 120 0.00 52.27 -10.00 285.28 -10.00 132.31 125 0.00 51.02 -10.00 285.28 -10.00 132.31 130 0.00 50.11 -10.00 285.28 -10.00 132.31 135 0.00 49.55 -10.00 285.28 -10.00 132.31 140 0.00 49.36 -10.00 285.28 -10.00 132.31 145 0.00 49.55 -10.00 285.28 -10.00 132.31 150 0.00 50.11 -10.00 285.28 -10.00 132.31 155 0.00 51.02 -10.00 285.28 -10.00 132.31 160 0.00 52.27 -10.00 285.28 -10.00 132.31 165 0.00 53.82 -10.00 285.28 -10.00 132.31 170 0.00 55.55 -10.00 285.28 -10.00 132.31 175 0.00 56.70 -10.00 285.28 -10.00 132.31 180 0.00 57.09 -10.00 285.28 -10.00 132.31 185 0.00 56.70 -10.00 285.28 -10.00 132.31 Frequency Coordination and Interference Analysis Report 08/26/2012 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 ODESSA, FL Licensee Name Mark C. Wilson Latitude (NAD 83) 28° 11' 47.3" N Longitude (NAD 83) 82° 37' 35.3" W Ground Elevation (AMSL) 11.28 m / 37.0 ft Antenna Centerline (AGL) 3.05 m / 10.0 ft Antenna Model Prodelin 1383 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 -14.2 (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 55.55 -10.00 285.28 -10.00 132.31 195 0.00 53.72 -10.00 285.28 -10.00 132.31 200 0.00 51.33 -10.00 285.28 -10.00 132.31 205 0.00 48.47 -10.00 285.28 -10.00 132.31 210 0.00 45.26 -9.39 289.17 -9.39 133.94 215 0.00 41.77 -8.52 294.86 -8.52 135.08 220 0.00 38.06 -7.51 301.60 -7.51 137.96 225 0.00 34.31 -6.39 309.32 -6.39 141.31 230 0.00 30.86 -5.23 318.02 -5.23 144.90 235 0.00 27.83 -4.11 326.03 -4.11 148.55 240 0.00 25.38 -3.11 333.30 -3.11 151.93 245 0.00 23.68 -2.36 338.82 -2.36 154.55 250 0.00 22.91 -2.00 341.49 -2.00 155.82 255 0.00 23.16 -2.12 340.62 -2.12 155.40 260 0.00 24.40 -2.68 336.44 -2.68 153.41 265 0.00 26.48 -3.57 329.93 -3.57 150.35 270 0.00 29.23 -4.65 322.20 -4.65 146.79 275 0.00 32.48 -5.79 314.09 -5.79 143.15 280 0.00 36.09 -6.94 305.52 -6.94 139.65 285 0.00 39.97 -8.04 298.04 -8.04 136.43 290 0.00 44.03 -9.09 291.11 -9.09 133.50 295 0.00 48.24 -10.00 285.28 -10.00 132.31 300 0.00 52.56 -10.00 285.28 -10.00 132.31 305 0.00 56.95 -10.00 285.28 -10.00 132.31 310 0.00 61.41 -10.00 285.28 -10.00 132.31 315 0.00 65.92 -10.00 285.28 -10.00 132.31 320 0.00 70.46 -10.00 285.28 -10.00 132.31 325 0.00 75.02 -10.00 285.28 -10.00 132.31 330 0.00 79.61 -10.00 285.28 -10.00 132.31 335 0.00 84.21 -10.00 285.28 -10.00 132.31 340 0.00 88.81 -10.00 285.28 -10.00 132.31 345 0.00 93.42 -10.00 285.28 -10.00 132.31 350 0.00 98.02 -10.00 285.28 -10.00 132.31 355 0.00 102.61 -10.00 285.28 -10.00 132.31 Frequency Coordination and Interference Analysis Report 08/26/2012 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. Jeffrey E. Cowles Engineer III, Telecommunications COMSEARCH 19700 Janelia Farm Boulevard Ashburn, Va. 20147 DATED: August 26, 2012 Frequency Coordination and Interference Analysis Report 08/26/2012 Page 10 of 10


Document Created: 2012-08-28 13:11:04
Document Modified: 2012-08-28 13:11:04
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