Attachment Exhibit C

This document pretains to SES-LIC-20120426-00397 for License on a Satellite Earth Station filing.

IBFS_SESLIC2012042600397_949493

Exhibit C

Ka-Band Earth Station – Lino Lakes, MN Frequency Coordination Report 28 GHz Prepared on Behalf of Inmarsat PLC April 17, 2012

Inmarsat PLC Ka-Band Earth Station – Lino Lakes, MN Frequency Coordination Report 28 GHz Table of Contents 1. Summary of Results -1- 2. 28 GHz Common Carrier and LTTS Coordination -1- 3. 28 GHz LMDS Coordination -2- 4. Earth Station Coordination Data -2- 5. Contact Information -6- Comsearch Proprietary -0- April 17, 2012

Inmarsat PLC Ka-Band Earth Station – Lino Lakes, MN Frequency Coordination Report 28 GHz 1. Summary of Results On behalf of Inmarsat’s proposed earth station transmitting at 28 GHz1, Comsearch performed a frequency search considering all existing and proposed terrestrial licenses within the coordination contours of the Ka-Band station in Lino Lakes, Minnesota. The search results identified licensees in the local multipoint distribution service (LMDS), common carrier fixed microwave service and local television transmission service (LTTS). Prior notification letters were sent to the licensees and a copy of the notification data is provided in section four of this report. The earth station coordination was finalized on April 17, 2012. No objections were received from any of the incumbent 28 GHz licensees. Our notification to the LMDS incumbents was performed under the assumption that the earth station would be operating on a secondary basis to LMDS Block A operations and a contact at Inmarsat has been provided in case any concerns may arise in the future. A summary of the responses from the LMDS licensees in the primary geographic market, Minneapolis-St. Paul, is provided below.  Nextlink sent a response stating that they have no objection to the deployment of the Lino Lakes earth station at this time. 2. 28 GHz Common Carrier and LTTS Coordination In accordance with FCC Rules and Regulations, a Ka-Band earth station in Lino Lakes, MN was prior coordinated by Comsearch. The notification letters and datasheet for this earth station were sent to the following 28 GHz common carrier fixed microwave licensees on March 20, 2012. These licensees are authorized to operate temporary fixed operations from 27.5 – 29.5 GHz on a statewide or nationwide basis. Licensee Authorized Geographic Area GTE Southwest Inc. dba Verizon Southwest Continental US Wisconsin Bell Inc. Statewide: Wisconsin A notification letter and datasheet for the Ka-Band earth station in Lino Lakes, MN was also sent to the following 28 GHz local television transmission licensee on March 20, 2012. This licensee is authorized to operate temporary fixed operations from 27.5 – 29.5 GHz on a nationwide basis. 1 The proposed earth station will operate in the 27,500 – 29,500 MHz portion of the Ka-Band. Comsearch Proprietary -1- April 17, 2012

Inmarsat PLC Ka-Band Earth Station – Lino Lakes, MN Frequency Coordination Report 28 GHz Licensee Authorized Geographic Area Information Super Station, LLC Continental US No objections were received from the common carrier or local television transmission service incumbents. 3. 28 GHz LMDS Coordination Notification letters were sent to the following 28 GHz LMDS licensees and lessees on March 20, 2012. The proposed earth station will operate on frequencies that overlap Block A of the LMDS service. The band plan for LMDS is as follows: Block A: 27.500-28.350 GHz 29.100-29.250 GHz 31.075-31.225 GHz Licensee Market Market Name None BTA123 Eau Claire, WI None BTA234 La Crosse, WI-Winona, MN None BTA277 Mankato-Fairmont, MN Nextlink Wireless, LLC BTA298 Minneapolis-St. Paul, MN None BTA378 Rochester-Austin-Albert Lea, MN None BTA391 St. Cloud, MN No objections were received from the LMDS incumbents. 4. Earth Station Coordination Data This section presents the data pertinent to the proposed Ka-Band earth station in Lino Lakes, MN. This data was circulated to all incumbent licensees in the 28 GHz shared frequency ranges. Comsearch Proprietary -2- April 17, 2012

Page 1 of 3 COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5662 http://www.comsearch.com Date: 03/20/2012 Administrative Information Status ENGINEER PROPOSAL Call Sign Licensee Code IMMSAT Licensee Name Inmarsat PLC Site Information LINO LAKES, MINNESOTA Venue Name Latitude (NAD 83) 45° 7' 56.0" N Longitude (NAD 83) 93° 5' 44.0" W Climate Zone A Rain Zone 2 Ground Elevation (AMSL) 273.47 m / 897.2 ft Link Information Satellite Type Geostationary Mode TR - Transmit-Receive Modulation Digital Satellite Arc 55° W to 63° West Longitude Azimuth Range 132.1° to 140.7° Corresponding Elevation Angles 25.9° / 30.1° Antenna Centerline (AGL) 9.14 m / 30.0 ft Antenna Information Receive Transmit Manufacturer GD SATCOM Technologies GD SATCOM Technologies Model 13.2 Meter 13.2 Meter Gain / Diameter 65.6 dBi / 13.2 m 68.9 dBi / 13.2 m 3-dB / 15-dB Beamwidth 0.09° / 0.17° 0.06° / 0.13° Max Available RF Power (dBW/4 kHz) -30.9 (dBW/MHz) -6.9 Maximum EIRP (dBW/4 kHz) 38.0 (dBW/MHz) 62.0 (dBW) 77.0 Interference Objectives: Long Term -156.7 dBW/MHz 20% -151.0 dBW/4 kHz 20% Short Term -146.7 dBW/MHz 0.01% -128.0 dBW/4 kHz 0.0025% Frequency Information Receive 18.0 GHz Transmit 28.0 GHz Emission / Frequency Range (MHz) 32M0G7W / 17700.0 - 19700.0 32M0G7W / 27500.0 - 29500.0 Max Great Circle Coordination Distance 158.9 km / 98.7 mi 100.0 km / 62.1 mi Precipitation Scatter Contour Radius 100.0 km / 62.1 mi 100.0 km / 62.1 mi

Page 2 of 3 COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5662 http://www.comsearch.com Coordination Values LINO LAKES, MN Licensee Name Inmarsat PLC Latitude (NAD 83) 45° 7' 56.0" N Longitude (NAD 83) 93° 5' 44.0" W Ground Elevation (AMSL) 273.47 m / 897.2 ft Antenna Centerline (AGL) 9.14 m / 30.0 ft Antenna Model GD SATCOM Technologies 13.2 Meter Antenna Mode Receive 18.0 GHz Transmit 28.0 GHz Interference Objectives: Long Term -156.7 dBW/MHz 20% -151.0 dBW/4 kHz 20% Short Term -146.7 dBW/MHz 0.01% -128.0 dBW/4 kHz 0.0025% Max Available RF Power -30.9 (dBW/4 kHz) Receive 18.0 GHz Transmit 28.0 GHz Horizon Antenna Horizon Coordination Horizon Coordination Azimuth (°) Elevation (°) Discrimination (°) Gain (dBi) Distance (km) Gain (dBi) Distance (km) 0 0.00 127.10 -10.00 138.12 -10.00 100.00 5 0.00 122.87 -10.00 138.12 -10.00 100.00 10 0.00 118.57 -10.00 138.12 -10.00 100.00 15 0.00 114.21 -10.00 138.12 -10.00 100.00 20 0.00 109.80 -10.00 138.12 -10.00 100.00 25 0.00 105.35 -10.00 138.12 -10.00 100.00 30 0.00 100.88 -10.00 138.12 -10.00 100.00 35 0.00 96.40 -10.00 138.12 -10.00 100.00 40 0.00 91.90 -10.00 138.12 -10.00 100.00 45 0.00 87.41 -10.00 138.12 -10.00 100.00 50 0.00 82.91 -10.00 138.12 -10.00 100.00 55 0.00 78.43 -10.00 138.12 -10.00 100.00 60 0.00 73.97 -10.00 138.12 -10.00 100.00 65 0.00 69.53 -10.00 138.12 -10.00 100.00 70 0.00 65.12 -10.00 138.12 -10.00 100.00 75 0.00 60.77 -10.00 138.12 -10.00 100.00 80 0.00 56.47 -10.00 138.12 -10.00 100.00 85 0.00 52.26 -10.00 138.12 -10.00 100.00 90 0.00 48.15 -10.00 138.12 -10.00 100.00 95 0.00 44.17 -9.13 140.58 -9.13 100.00 100 0.00 40.37 -8.15 143.41 -8.15 100.00 105 0.00 36.81 -7.15 146.40 -7.15 100.00 110 0.00 33.56 -6.15 149.47 -6.15 100.00 115 0.00 30.72 -5.19 152.48 -5.19 100.00 120 0.00 28.42 -4.34 155.19 -4.34 100.00 125 0.00 26.80 -3.70 157.28 -3.70 100.00 130 0.00 25.99 -3.37 158.88 -3.37 100.00 135 0.00 26.05 -3.40 158.79 -3.40 100.00 140 0.00 27.00 -3.78 157.01 -3.78 100.00 145 0.22 28.54 -4.39 153.19 -4.39 100.00 150 0.00 30.98 -5.28 152.20 -5.28 100.00 155 0.26 32.79 -5.89 145.29 -5.89 100.00 160 0.20 35.08 -6.63 147.65 -6.63 100.00 165 0.34 37.68 -7.40 133.77 -7.40 100.00 170 0.21 40.86 -8.28 142.23 -8.28 100.00 175 0.00 44.36 -9.18 140.45 -9.18 100.00 180 0.00 47.95 -10.00 138.12 -10.00 100.00 185 0.00 51.72 -10.00 138.12 -10.00 100.00

Page 3 of 3 COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5662 http://www.comsearch.com Coordination Values LINO LAKES, MN Licensee Name Inmarsat PLC Latitude (NAD 83) 45° 7' 56.0" N Longitude (NAD 83) 93° 5' 44.0" W Ground Elevation (AMSL) 273.47 m / 897.2 ft Antenna Centerline (AGL) 9.14 m / 30.0 ft Antenna Model GD SATCOM Technologies 13.2 Meter Antenna Mode Receive 18.0 GHz Transmit 28.0 GHz Interference Objectives: Long Term -156.7 dBW/MHz 20% -151.0 dBW/4 kHz 20% Short Term -146.7 dBW/MHz 0.01% -128.0 dBW/4 kHz 0.0025% Max Available RF Power -30.9 (dBW/4 kHz) Receive 18.0 GHz Transmit 28.0 GHz Horizon Antenna Horizon Coordination Horizon Coordination Azimuth (°) Elevation (°) Discrimination (°) Gain (dBi) Distance (km) Gain (dBi) Distance (km) 190 0.00 55.63 -10.00 138.12 -10.00 100.00 195 0.00 59.66 -10.00 138.12 -10.00 100.00 200 0.00 63.76 -10.00 138.12 -10.00 100.00 205 0.00 67.94 -10.00 138.12 -10.00 100.00 210 0.00 72.17 -10.00 138.12 -10.00 100.00 215 0.00 76.44 -10.00 138.12 -10.00 100.00 220 0.00 80.73 -10.00 138.12 -10.00 100.00 225 0.00 85.05 -10.00 138.12 -10.00 100.00 230 0.00 89.37 -10.00 138.12 -10.00 100.00 235 0.28 93.71 -10.00 131.76 -10.00 100.00 240 0.00 98.01 -10.00 138.12 -10.00 100.00 245 0.00 102.32 -10.00 138.12 -10.00 100.00 250 0.00 106.59 -10.00 138.12 -10.00 100.00 255 0.00 110.83 -10.00 138.12 -10.00 100.00 260 0.00 115.03 -10.00 138.12 -10.00 100.00 265 0.00 119.16 -10.00 138.12 -10.00 100.00 270 0.00 123.21 -10.00 138.12 -10.00 100.00 275 0.00 127.15 -10.00 138.12 -10.00 100.00 280 0.00 130.97 -10.00 138.12 -10.00 100.00 285 0.00 134.62 -10.00 138.12 -10.00 100.00 290 0.00 138.05 -10.00 138.12 -10.00 100.00 295 0.00 141.21 -10.00 138.12 -10.00 100.00 300 0.00 144.01 -10.00 138.12 -10.00 100.00 305 0.00 146.38 -10.00 138.12 -10.00 100.00 310 0.00 148.22 -10.00 138.12 -10.00 100.00 315 0.00 149.41 -10.00 138.12 -10.00 100.00 320 0.00 149.89 -10.00 138.12 -10.00 100.00 325 0.00 149.63 -10.00 138.12 -10.00 100.00 330 0.00 148.63 -10.00 138.12 -10.00 100.00 335 0.00 145.97 -10.00 138.12 -10.00 100.00 340 0.00 142.66 -10.00 138.12 -10.00 100.00 345 0.00 139.06 -10.00 138.12 -10.00 100.00 350 0.00 135.23 -10.00 138.12 -10.00 100.00 355 0.00 131.23 -10.00 138.12 -10.00 100.00

Inmarsat PLC Ka-Band Earth Station – Lino Lakes, MN Frequency Coordination Report 28 GHz 5. Contact Information For questions or information regarding the 28 GHz Frequency Coordination Report, please contact: Contact person: Joanna Lynch Title: Manager, Spectrum & Data Solutions Company: Comsearch Address: 19700 Janelia Farm Blvd., Ashburn, VA 20147 Telephone: 703-726-5711 Fax: 703-726-5599 Email: jlynch@comsearch.com Web site: www.comsearch.com Comsearch Proprietary -6- April 17, 2012


Document Created: 2012-04-20 11:54:49
Document Modified: 2012-04-20 11:54:49
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