Attachment Exhibit C

This document pretains to SES-MOD-20091118-01475 for Modification on a Satellite Earth Station filing.

IBFS_SESMOD2009111801475_781840

EXHIBIT C FREQUENCY COORDINATION AND INTERFERENCE _ ANALYSIS REPORT Prepared for PanAmSat Licensee Corp. Ellenwood, Georgia (Call Sign: E940333) Satellite Earth Station Prepared By: COMSEARCH 19700 Janelia Farm Boulevard Ashburn, Virginia 20147 September 30, 2009

TABLE OF CONTENTS 1. CONCLUSIONS 1122222020000 iveeveverivsrserrsststererscererrcctscrtcersresserersererrersrsersisrrersrerererererererererscrsresererversecrrererererere ...3 2. SUMMARY OF RESULTSL12222 00222 +2rrvererer se reerrerrrereerrcererrarercersecrs prevesorcersrrrerserrersretecrerrcereceserrrerererrrererrrrerrerees 4 3, SUPPLEMENTAL SHOWING 112222222222 2222¥e¥ e e e er esc ereceerer se en errereses svesescarsvereseseres en ce ererecerercrnrererererserrereerererrees 5 4. EARTH STATION COORDINATION DATA 1:122222er2r0ee se¥ srerersersereretsererererirersirererrereressrerrersecerrcerererrirecserccrsirers T 5. CERTIFICATION 122222222 222e24serevtrtreretrtrscrserersecrertersecrreceerriserererrrerecscrsrrcerercrerervervrersecererecesererrersersreererer en ereress 11 Frequency Coordination and Interference Analysis Report 09/30/2009 Page 2 of 11

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 09/30/2009 Page 3 of 11

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 everycase. ' 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 transmit—receive earth station/ _ Company ALLTEL Communications ~ Athens Cellular, Inc. _ Cellco Partnership dba Verizon Wire (GA) Cellco Partnership — Newark—Dallas Verizon Norfolk Southern Railway Southwestco Wireless LP (Georgia 5) Verizon Wireless (VAW) LLC (Georgia) Verizon Wireless of the East LP — (GA¥) No other carriers reported potential interference cases. ' Frequency Coordination and Interference Analysis Report 09/30/2009 ' Page 4 of 11

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 September 10, 2009, and expedited revised coordination data was forwarded on September 18, 2009. Company ALABAMA ELECTRIC COOPERATIVE, INC. ALLTEL Communications, LLC Athens Cellular, Inc. - Bell Atlantic Mobile Allentown—Verizon W Blue Ridge Electric Cooperative Inc CALHOUN COUNTY COMMISSIONERS CALHOUN, COUNTY OF COBB COUNTY Cellco Partnership — Alabama Cellco Partnership dba Verizon Wire (GA Cellco Partnership—Newark—Dallas Verizon Conterra Ultra Broadband, LLC DeKalb County Police Department FLINT ELECTRIC MEMBERSHIP CORPORATION FULTON, COUNTY OF GWINNETT, COUNTY OF Gadsden Celltelco Georgia Public Web Georgia RSA #8 Partnership Georgia System Operations Corporation HOUSTON, COUNTY OF Hall County 9—1—1 International Communications Group, Inc. Jackson Electric Membership Corporation METROPOLITAN AREA NETWORKS, INC. . New Cingular Wireless PCS LLC — AL, MS, _ ‘_Norfolk Southern Railway PATHNET, INC. — DEBTOR IN POSSESSION Public Service Telephone Company SOUTHERN COMPANY SERVICES INC Southwestco Wireless LP (Georgia 5) Talladega County Emergency Mangement Age Troy University Radio & Television Frequency Coordination and Interference Analysis Report 09/30/2009 Page 5 of 11

Company (Continued) ‘ ’ / UNIVERSITY OF NORTH CAROLINA Verizon Wireless (VAW) LLC (Georgia) Verizon Wireless of The East LP — (GA) Verizon Wireless of the East LP— Alabama ) _~ Frequency Coordination and Interference Analysis Report 09/30/2009 _ Page 6 of 11

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 09/30/2009 Page 7 of 11

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 {703)726—5500 http://www.comsearch.com Date: | 09/30/2009 Job Number: 090918COMSUCO3 Administrative Information Status ENGINEER PROPOSAL Call Sign E940333 Licensee Code PANAS Licensee Name PanAmSat Licensee Corp Site Information ELLENWOOD, GEORGIA Venue Name Latitude (NAD 83) 33° 39‘ 49.4" N Longitude (NAD 83) 84° 16‘ 18.7" W Climate Zone A Rain Zone — 1 Ground Elevation (AMSL) 237.74 m / 780.0 ft Link Information . Satellite Type : Geostationary Mode TR — Transmit—Receive Modulation Analog and Digital Satellite Arc 29° W to 145° West Longitude Azimuth Range 111.0° to 252.7° Corresponding Elevation Angles 20.1° / 15.6° Antenna Centerline (AGL) 7.62 m / 25.0 ft Antenna Information Receive Transmit Manufacturer Vertex Vertex Model 13.0 KPC 13.0 KPC Gain / Diameter 53.5 dBi / 13.0 m 56.8 dBi / 13.0 m 3—dB / 15—dB Beamwidth 0.38° / 0.76° 0.26° / 0.52° 3GMOFIW and 36MOG7W Max Available RF Power (dBW/A kHz) 3.2 —9.3 (dBW/MHz) 27.2 14.7 Maximum EIRP (dBW/A kHz) 60.0 47.5 (dBW/MHz) 84.0 > 71.5 (dBW) 87.0 87.0 Interference Objectives: Long Term —156.0 dBW/MHz 20% —154.0 dBW/4 kHz 20% Short Term —144.0 dBW/MHz 0.01% —131.0 dBW/4 kHz 0.0025% Frequency Information Receive 4.0 GHz Transmit 61 GHz Emission / Frequency Range (MHz) . GMOFIW / 3700.0 — 4200.0 3GMOFIW / 5925.0 — 6425.0 36MOG7W / 3700.0 — 4200.0 36MOG7W / 5925.0 — 6425.0 Max Great Circle Coordination Distance 356.9 km / 221.7 mi 242.1 km / 150.4 mi Precipitation Scatter Contour Radius 592.6 km / 368.2 mi 270.3 km / 168.0 mi Frequency Coordination and Interference Analysis Report 09/30/2009 Page 8 of 11

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726—5500 http://www.comsearch.com Coordination Values ELLENWOOD, GA Licensee Name PanAmSat Licensee Corp Latitude (NAD 83) 33° 39‘ 49.4" N Longitude (NAD 83) 84° 16‘ 18.7" W Ground Elevation (AMSL) 237.74 m / 780.0 ft Antenna Centerline (AGL) 7.62 m / 25.0 ft Antenna Model Vertex 13.0 KPC 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 —144.0 dBW/MHz 0.01% —131.0 dBW/4 kHz 0.0025% Max Available RF Power 3.2 (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 1.87 106.75 —10.00 188.48 —10.00 114.03 5 1.18 105.13 —10.00 205.34 —~10.00 131.35 10 0.30 100.36 —10.00 260.50 —10.00 182.96 15 0.36 95.66 —10.00 253.69 —10.00 176.89 20 0.38 90.96 —~10.00 251.36 —10.00 174.76 25 0.26 86.26 ~10.00 265.12 —10.00 186.95 30 0.27 81.56 —10.00 263.95 ~10.00 185.95 35 0.21 76.87 ~10.00 271.90 —10.00 . 192.64 — 40 0.30 7219 ~10.00 260.38 —10.00 182.86 > 45 0.40 _ 67.51 —10.00 249.48 —10.00 17313 50 0.44~ 62.86 — ~10.00 244.33 —10.00 168.25 55 0.51 _ . 58.24 ~10.00 . 238.08 —10.00 160.59 60 0.47 53.68 —10.00 241.35 —10.00 163.74 65 0.26 49.23 ~10.00 265.76 —10.00 187.50 70 0.33 44.78 —9.28 261.07 —9.28 182.66 75 0.26 40.48 —8.18 276.00 —8.18 193.97 80 0.38 36.25 —6.98 270.04 —6.98 187.82 85 0.70 32.07 —5.65 250.60 —5.65 169.56 90 0.76 28.29 ~4.29 255.14 —4.29 172.40 95 0.77 24.94 —2.92 263.23 —2.92 178.21 100 0.68 22.26 —1.69. 277.179 —1.69 189.01 105 0.82 20.20 —0.64 275.24 —0.64 185.91 110 0.98 19.19 —0.08 268.87 —0.08 180.17 115 1.19 19.35 —0.17 259.63 —0. 17 172.47 120 1.15 20.94 —1.02 255.35 —1.02 169.63 125 114 23 .44 —2.25 247.91 —2,25 162.60 130 1.09 26.64 —3.64 241.29 ~3.64 157.75 135 1.43 29.99 4.93 222.59 —4.93) 142.01 140 1.68 33.31 —6.07 209.59 —6.07 132.65 145 1.99 36.37 —7.02 199.21 —7.02 121.66 150 1.60 39.68 —7.97 205.42 —7.97 127.84 155 1.30 42.65 . —8.75 207.89 —8.75 132.76 160 1.18 45.12 —9.36 208.23 —9.36 133.49 165 1.01 47,22 | —9.85 211.10 —9.85 135.20 170 1.28 48.40 —10.00 204.95 —10.00 128.79 175 1.04 49.52 —10.00 209.46 —10.00 133.84 180 0.74 50.12 ~10.00 224.50 ~10.00 147.69 185 0.55 50.01 —10.00 235.55 ~10.00 158.17 Frequency Coordination and Interference Analysis Report 09/30/2009 Page 9 of 11

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726—5500 http://www.comsearch.com Coordination Values ELLENWOOD, GA Licensee Name PanAmSat Licensee Corp Latitude (NAD 83) 33° 39‘ 49.4" N Longitude (NAD 83) 84° 16‘ 18.7" W Ground Elevation (AMSL) 237.74 m / 780.0 ft Antenna Centerline (AGL) 7.62 m / 25.0 ft Antenna Model Vertex 13.0 KPC 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 —144.0 dBw/MHz 0.01% —131.0 dBW/4 kHz 0.0025% Max Available RF Power 3.2 (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 0.58 49.06 —10.00 233.37 —10.00 156.08 195 0.60 47.57 —9.93 232.650 —9.93 155.32 200 0.60 45.60 —9.47 235.43 —9.47 157.51 205 0.65 43.15 —8.87 235.64 —8.87 157.08 210 1.05 40.09 —8.07 218.36 —8.07 140.42 215 1.21 36.92 — —7.18 217.83 —7 18 139.31 220 0.59 34.04 —6.30 254.13 —6.30 173.40 225 0.47 30.62 —5.15 271.17 —5.15 186.91 230 0.40 . 27.00 —3.78 288.14 —3.78 198.91 235 0.37 23.24 —216 302.34 —2.16 206.11 240 0.28 19.85 —0.45 327.21 —0.45 222.10 245 0.21 17.22 1.10 348.53 1.10 236.72 250 0.20 15.67 2.12 356.91 2. 12 242.08 255 0.37 15.44 2.29 336.86 2.29 226.22 260 y 16.73 1.41 310.95 1.41 208.59 265 0.50 19.39 —0.19 300.62 —0.19 204.55 270 0.66 22.70 —1.90 27713 —1.90 188.67 275 0.81 26.54 —3.60 256.62 —3.60 173.08 280 0.96 30.70 —5.18 237.88 —5.18 155.90 285 115 35.04 _ —6.62 222.68 —6.62 143.26 290 1.52 39.48 —7.91 205.39 —7.91 129.97 295. 2.01 44.01 —9.09 189.24 —9.09 114.03 300 2.81 48.57 —10.00 163.85 —10.00 100.00 305 3.64 53.23 —10.00 145.98 —10.00 100.00 310 4.52 57.95 —10.00 133.22 —10.00 100.00 315 5.40 62.74 —10.00 123.02 .—10.00 100.00 320 5.64 67.63 —10.00 120.64 —10.00 100.00 325 6.17 72.51 —~10.00 115.36 —10.00 100.00 330 5.45 77.47 —10.00 122.50 ~10.00 100.00 335 4.89 82.40 —10.00 128.33 —10.00 100.00 340 4.71 87.31 —10.00 130.65 —10.00 100.00 345 4.00 92.22 ~10.00 139.15 —10.00 100.00 350 3.63 97.10 ~10.00 146.04 —10.00 100.00 355 3.40 101.98 —10.00 150.70 —10.00 100.00 Frequency Coordination and Interference Analysis Report 09/30/2009 Page 10 of 11

5. CERTIFICATION 1 HEREBY CERTIFY THAT | 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. %m 6. CGole»" Jeffrey E. Cowles Principal Frequency Planner COMSEARCH 19700 Janelia Farm Boulevard Ashburn, Va. 20147 DATED: September 30, 2009 Frequency Coordination and Interference Analysis Report 09/30/2009 Page 11 of 11


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Document Modified: 2019-04-22 19:53:01
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