Attachment Exhibit A

This document pretains to SES-STA-20180228-00172 for Special Temporal Authority on a Satellite Earth Station filing.

IBFS_SESSTA2018022800172_1346107

Exhibit A Prepared By COMSEARCH 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5500 http://www.comsearch.com Prepared For Intelsat License LLC Hagerstown, Maryland Temporary Transmit-Only Earth Station Operation Dates: 03/27/2018 – 04/26/2018 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. Verbal and written coordination was conducted with the below listed carriers on January 22, 2018. Company AB Services LLC AT&T Corp. AT&T Wireless Services 3 LLC - PA Adams County Department of Emergency Svc Affiniti PA, LLC Albemarle, County of, Virginia Alltel Communications LLC-E OH WV American Electric Power Service Corp Appalachia Engineering Services Appalachian Power Company Aratika LLC Argos Engineering, LLC Atlantic Broadband (Penn), LLC Atlantic City Electric Company Atlantic, County of Baltimore County of Maryland Baltimore Gas and Electric Company Beaver Springs Faith Baptist Church, Inc Bedford County of Believe Wireless, LLC Berks County Department of Emergency Ser Blair County 911 Blue Ridge Carriers Blueline Communications CBS Radio of Maryland, LLC CNG Transmission Corporation Calvert, County of Cambria, County of Capital Communications of America Caroline County, VA Carroll, County of Cellco Partnership - Bridgeville, PA/WV Cellco Partnership - Southern Virginia Cellco Partnership- PA Region Cellco Partnership-WDC/Baltimore Cellco Prtnrshp - Phil. Tri-State Rgn Frequency Coordination and Interference Analysis Report 02/22/2018 Page 1 of 8

Centre Communications Inc. Charles, County of Chester, County of City of Fredericksburg Citynet Clearfield, County of Clinton, County of Columbia Gas Transmission, LLC Columbia, County Commonwealth of Pennsylvania Commonwealth of Pennsylvania-Radio Proj. Comprehensive Wireless LLC Conterra Ultra Broadband, LLC Coralinks County of Augusta County of Centre County of Culpeper County of Fayette County of Frederick County of Lycoming County of York DSRC Networks Dauphin County Emergency Management Delaware County (PA) Emergency Services Delaware Division of Communications Delmarva Broadcasting Company Delmarva Power and Light Company Dominion Energy Transmission, Inc. ECW Wireless, LLC Eastern MLG LLC Enoch Pratt Free Library Essex, County of Exelon Generation Company, LLC FELHC, Inc. Federal Communication Commission Frederick County Fulton County of (PA) Fundamental Broadcasting LLC GTT America LLC Garden State Transmissions Getwireless.Net Gloucester, County of Greene, County of (PA) Hanover, County of Hardy Cellular Telephone Company Hardy County OEM/E911 Harrisonburg-Rockingham ECC High Voltage Communications LLC (CFN) Huntingdon County, Pa Huntingdon, County of Indiana, County of Jackson County West Virginia Jefferson County of Pennsylvania Jefferson Microwave, LLC Juniata County Emergency Services King and Queen County Frequency Coordination and Interference Analysis Report 02/22/2018 Page 2 of 8

Kryptick Technologies Lancaster County-Wide Communications Limitless Mobile, LLC Loudoun, County of MGW Networks, LLC Maryland Public Broadcasting Commission Maryland State Highway Administration Maryland, State of - Dept.of Info & Tech Mifflin County Montgomery County Of Montgomery, County of National Tower Company LLC New Cingular Wireless PCS LLC - NJ New Cingular Wireless PCS - Maryland New Cingular Wireless PCS LLC - DC New Cingular Wireless PCS LLC - VA New Cingular Wireless PCS LLC - WV,NC,SC New Cingular Wireless PCS LLC-DE/NH/RI New Cingular Wireless PCS, LLC - PA New Jersey Turnpike Authority-Pkwy Div New Jersey, State of -NJ Transit New Line Networks, LLC Norfolk Southern Railway Northumberland County DPS/911 PSEG Services Corporation Peco Energy Company Pennsylvania Turnpike Commission Peoples Natural Gas Company LLC Pepco Holdings Inc. Perry, County of Pittsburgh SMSA Limited Partnership Preston County Office of Emergency Manag Prince George's County Prince William, County of Radio One Inc Rappahannock Electric Cooperative Rockbridge Reg. Pub Safety Comm Ctr Rural Broadband Network Services LLC SW Networks Shenandoah Personal Communications, LLC Shenandoah Valley Electric Cooperative Somerset, County of South Central Task Force (SCTFNET) Southern Maryland Electric Cooperative I Spotsylvania, County of St. Mary's County of (MD) Stafford, County of State of Maryland, MIEMSS T-Mobile License LLC Texas Eastern Communications, LLC The Voice Radio, LLC Thought Transmissions, LLC Torellco LLC Transcontinental Gas Pipeline Corp. US Cellular Operating Company, LLC (WI) USCOC of Cumberland, Inc. Frequency Coordination and Interference Analysis Report 02/22/2018 Page 3 of 8

USCOC of Virginia RSA #3, Inc. USOC of Pennsylvania RSA No 10 B2 Inc. Uniti Fiber PEG, LLC Ursa Navigation Solutions, Inc. Verizon Maryland, Inc. Verizon Wireless (VAW) LLC - Maryland Verizon Wireless (VAW) LLC - W/B/V Mkts Verizon Wireless (VAW) LLC-Pennsylvania Verizon Wireless VAW LLC - West Virginia Verizon Wireless VAW LLC-Southern VA Virginia Broadband, LLC Virginia Department of State Police Virginia Electric & Power Company WV DHHR BPH, Office of Ems, Com. Div. Warrenton Fauquier Joint Communications Washington Gas Light Company Washington Suburban Sanitary Commission Washington, County of Webline Holdings LLC Westmoreland, County of Wicomico County Wireless Internetwork LLC World Class Wireless, LLC iSignal xWave Engineering LLC There are no unresolved interference objections with the station contained in these applications. The following section presents the data pertinent to frequency coordination of the earth station that was circulated to all carriers within its coordination contours. Frequency Coordination and Interference Analysis Report 02/22/2018 Page 4 of 8

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5500 http://www.comsearch.com Date: 01/17/2018 Job Number: 180122COMSGE10 Administrative Information Status ENGINEER PROPOSAL Call Sign TEMP04 Licensee Code INTELS Licensee Name Intelsat License LLC Site Information HAGERSTOWN, MD Venue Name Latitude (NAD 83) 39° 35' 54.7" N Longitude (NAD 83) 77° 45' 35.3" W Climate Zone A Rain Zone 2 Ground Elevation (AMSL) 171.3 m / 562.0 ft Link Information Satellite Type Geostationary Mode TO - Transmit-Only Modulation Analog and Digital Satellite Arc 6° W to 149° West Longitude Azimuth Range 101.9° to 257.8° Corresponding Elevation Angles 5.3° / 5.7° Antenna Centerline (AGL) 12.5 m / 41.0 ft Antenna Information Transmit - FCC32 Manufacturer GD Satcom Model 19M CFPA Gain / Diameter 59.1 dBi / 19.0 m 3-dB / 15-dB Beamwidth 0.20° / 0.40° Max Available RF Power (dBW/4 kHz) 2.9 (dBW/MHz) 26.9 Maximum EIRP (dBW/4 kHz) 62.0 (dBW/MHz) 86.0 Interference Objectives: Long Term -154.0 dBW/4 kHz 20% Short Term -131.0 dBW/4 kHz 0.0025% Frequency Information Transmit 6.1 GHz Emission / Frequency Range (MHz) 850KFXD / 5850.0 850KFXD / 6425.0 Max Great Circle Coordination Distance 520.7 km / 323.5 mi Precipitation Scatter Contour Radius 266.0 km / 165.3 mi Frequency Coordination and Interference Analysis Report 02/22/2018 Page 5 of 8

Coordination Values HAGERSTOWN, MD Licensee Name Intelsat License LLC Latitude (NAD 83) 39° 35' 54.7" N Longitude (NAD 83) 77° 45' 35.3" W Ground Elevation (AMSL) 171.3 m / 562.0 ft Antenna Centerline (AGL) 12.5 m / 41.0 ft Antenna Model GD Satcom 19 meter Antenna Mode Transmit 6.1 GHz Interference Objectives: Long Term -154.0 dBW/4 kHz 20% Short Term -131.0 dBW/4 kHz 0.0025% Max Available RF Power 2.9 (dBW/4 kHz) Transmit 6.1 GHz Horizon Antenna Horizon Coordination Azimuth (°) Elevation (°) Discrimination (°) Gain (dBi) Distance (km) 0 0.00 101.81 -10.00 192.30 5 0.00 96.84 -10.00 192.30 10 0.00 91.86 -10.00 192.30 15 0.00 86.88 -10.00 192.30 20 0.00 81.90 -10.00 192.30 25 0.00 76.92 -10.00 192.30 30 0.00 71.95 -10.00 192.30 35 0.00 66.97 -10.00 192.30 40 0.00 62.00 -10.00 192.30 45 0.00 57.03 -10.00 192.30 50 0.00 52.06 -10.00 192.30 55 0.00 47.09 -9.82 192.97 60 0.00 42.14 -8.62 197.59 65 0.00 37.19 -7.26 202.77 70 0.00 32.26 -5.72 207.04 75 0.00 27.34 -3.92 214.20 80 0.00 22.47 -1.79 223.20 85 0.00 17.65 0.83 235.00 90 0.00 12.98 4.17 250.64 95 0.00 8.66 8.56 274.63 100 0.00 5.61 13.27 520.72 105 0.00 6.15 12.28 360.16 110 0.00 9.60 7.45 268.25 115 0.00 13.27 3.93 249.41 120 0.00 16.89 1.31 237.25 125 0.00 20.41 -0.75 227.80 130 0.00 23.83 -2.43 220.45 135 0.00 27.11 -3.83 214.58 140 0.00 30.23 -5.01 209.81 145 0.00 33.14 -6.01 205.91 150 0.00 35.82 -6.85 204.32 155 0.00 38.20 -7.55 201.66 160 0.00 40.26 -8.12 199.49 165 0.00 41.93 -8.56 197.80 170 0.00 43.16 -8.88 196.60 175 0.00 43.92 -9.07 195.87 180 0.00 44.18 -9.13 195.63 185 0.00 43.92 -9.07 195.87 Frequency Coordination and Interference Analysis Report 02/22/2018 Page 6 of 8

Coordination Values HAGERSTOWN, MD Licensee Name Intelsat License LLC Latitude (NAD 83) 39° 35' 54.7" N Longitude (NAD 83) 77° 45' 35.3" W Ground Elevation (AMSL) 171.3 m / 562.0 ft Antenna Centerline (AGL) 12.5 m / 41.0 ft Antenna Model GD Satcom 19 meter Antenna Mode Transmit 6.1 GHz Interference Objectives: Long Term -154.0 dBW/4 kHz 20% Short Term -131.0 dBW/4 kHz 0.0025% Max Available RF Power 2.9 (dBW/4 kHz) Transmit 6.1 GHz Horizon Antenna Horizon Coordination Azimuth (°) Elevation (°) Discrimination (°) Gain (dBi) Distance (km) 190 0.00 43.16 -8.88 196.60 195 0.00 41.93 -8.56 197.80 200 0.00 40.26 -8.12 199.49 205 0.00 38.20 -7.55 201.66 210 0.00 35.81 -6.85 204.33 215 0.00 33.14 -6.01 205.91 220 0.00 30.22 -5.01 209.82 225 0.00 27.11 -3.83 214.58 230 0.00 23.83 -2.43 220.44 235 0.00 20.42 -0.75 227.79 240 0.00 16.89 1.31 237.27 245 0.00 13.28 3.92 249.39 250 0.00 9.59 7.46 268.31 255 0.00 6.33 11.96 370.15 260 0.00 6.11 12.35 500.38 265 0.00 9.18 7.93 270.97 270 0.00 13.46 3.77 248.64 275 0.00 18.11 0.55 233.72 280 0.00 22.90 -2.00 222.31 285 0.00 27.76 -4.09 213.52 290 0.00 32.66 -5.85 206.52 295 0.00 37.59 -7.38 202.33 300 0.00 42.53 -8.72 197.21 305 0.00 47.48 -9.91 192.63 310 0.00 52.44 -10.00 192.30 315 0.00 57.40 -10.00 192.30 320 0.00 62.37 -10.00 192.30 325 0.00 67.34 -10.00 192.30 330 0.00 72.31 -10.00 192.30 335 0.00 77.28 -10.00 192.30 340 0.00 82.26 -10.00 192.30 345 0.00 87.23 -10.00 192.30 350 0.00 92.21 -10.00 192.30 355 0.00 97.18 -10.00 192.30 Frequency Coordination and Interference Analysis Report 02/22/2018 Page 7 of 8

Certification I hereby certify that I am the technically qualified person responsible for the preparation of the frequency coordination data contained in this report. I am familiar with Parts 101 and 25 of the FCC Rules and Regulations and I have either prepared or reviewed the frequency coordination data submitted with this report, 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: February 22, 2018 Frequency Coordination and Interference Analysis Report 02/22/2018 Page 8 of 8


Document Created: 2018-02-28 11:33:34
Document Modified: 2018-02-28 11:33:34
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