Attachment Exhibit A

This document pretains to SES-STA-INTR2019-01523 for Special Temporal Authority on a Satellite Earth Station filing.

IBFS_SESSTAINTR201901523_1683422

Exhibit A FREQUENCY COORDINATION AND INTERFERENCE ANALYSIS REPORT Prepared for Intelsat License LLC HAGERSTOWN, MD (E000296) Satellite Earth Station Prepared By: COMSEARCH 19700 Janelia Farm Boulevard Ashburn, VA 20147 February 14, 2019

TABLE OF CONTENTS 1. CONCLUSIONS ............................................................................................................................................ 3 2. SUMMARY OF RESULTS ............................................................................................................................ 4 3. SUPPLEMENTAL SHOWING ....................................................................................................................... 5 4. EARTH STATION COORDINATION DATA .................................................................................................. 9 5. CERTIFICATION ......................................................................................................................................... 13 Frequency Coordination and Interference Analysis Report 02/14/2019 Page 2 of 13

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 02/14/2019 Page 3 of 13

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. Frequency Coordination and Interference Analysis Report 02/14/2019 Page 4 of 13

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 02/01/2019. Company AB Services LLC AQ2AT LLC AT&T Corp. AT&T Wireless Services 3 LLC - PA Access MLP Operating LLC Adams County Department of Emergency Svc Affiniti PA, LLC Agile Network Builders LLC Albemarle, County of Allentown SMSA Limited Partnership Alltel Communications LLC - Western PA Alltel Communications LLC-E OH WV American Electric Power Service Corp Appalachia Engineering Services Appalachian Power Company Argos Engineering, LLC Atlantic Broadband (Penn), LLC Atlantic City Electric Company Atlantic Coast Pipeline, LLC 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 Bucks County Dept. of Emergency Comm Butler County Radio Network Inc. CNX Midstream, LLC Calvert, County of Cambria, County of Capital Communications of America Carbon, County of 911 Center Caroline County, VA Carroll, County of Cellco Partnership - Bridgeville, PA/WV Cellco Partnership - Southern Virginia Cellco Partnership- PA Region Frequency Coordination and Interference Analysis Report 02/14/2019 Page 5 of 13

Cellco Partnership-WDC/Baltimore Cellco Prtnrshp - Phil. Tri-State Rgn Charles, County of Chester, County of Chesterfield, County of City of Fredericksburg Citynet, LLC Clearfield, County of Clinton, County of Commonwealth of Pennsylvania Commonwealth of Pennsylvania-Radio Proj. Comprehensive Wireless LLC Conterra Ultra Broadband, LLC County of Augusta County of Burlington, Public Safety Cntr County of Camden County of Centre County of Culpeper County of Fayette County of Frederick County of King WIlliam, Virginia County of Orange, VA County of Tioga County of York DC2A LLC DSRC Networks Dauphin County Emergency Management Delaware County (PA) Emergency Services Delaware Division of Communications Delmarva Broadcasting Company Delmarva Power and Light Company Direct Broadcast Services, Inc. Dominion Energy Transmission, Inc. ECW Wireless, LLC East Ohio Gas Company Eastern MLG LLC Electric Railroad, LLC Enoch Pratt Free Library Entercom License, LLC Essex, County of Exelon Generation Company, LLC FELHC, Inc. Fulton County PA Fundamental Broadcasting LLC GSB Broadcasting LLC GTT America LLC Garden State Transmissions Getwireless.Net Gloucester, County of Goochland County Goochland, County of Greene, County of (PA) Hanover, County of Hardy Cellular Telephone Company Hardy County OEM/E911 Harrisonburg-Rockingham ECC Frequency Coordination and Interference Analysis Report 02/14/2019 Page 6 of 13

Henrico County High Voltage Communications LLC (CFN) Huntingdon, County of Indiana, County of Jefferson County of Pennsylvania Jefferson Microwave, LLC Juniata County Emergency Services Kentucky Power Company King and Queen County Kryptick Technologies Lancaster County-Wide Communications Limitless Mobile, LLC Loudoun, County of Luzerne County of PA MGW Networks, LLC Maryland Public Broadcasting Commission Maryland State Highway Administration Maryland, State of - Dept.of Info & Tech McKean, County of Middlesex County Sherriff's Office Mifflin County Montgomery County Of Montgomery, County of New Cingular Wireless PCS LLC - NJ New Cingular Wireless PCS - Maryland New Cingular Wireless PCS LLC - DC New Cingular Wireless PCS LLC - Ohio 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 Kent County New Line Networks, LLC Norfolk Southern Railway Northumberland County DPS/911 Ocean County of - Div of Wireless Tech. Ohio Valley Electric Company PSEG Services Corporation Peco Energy Company Pennsylvania Turnpike Commission Perry, County of Pittsburgh SMSA Limited Partnership Preston County Office of Emergency Manag Prince George's County Prince William, County of Radio License Holding CBC, LLC Radio One Inc Rappahannock Electric Cooperative Richmond, City of Rockbridge Reg. Pub Safety Comm Ctr Rural Broadband Network Services LLC Rural Broadband, LLC SW Networks Shenandoah Personal Communications, LLC Frequency Coordination and Interference Analysis Report 02/14/2019 Page 7 of 13

Shenandoah Valley Electric Cooperative Snyder, County of Somerset County, Maryland Somerset, County of South Central Task Force (SCTFNET) Southern Maryland Electric Cooperative I Southside Electric Cooperative Spotsylvania, County of Sprintcom, Inc St. Mary's County of (MD) Stafford, County of Standard Backhaul Communications LLC State of Maryland, MIEMSS Sullivan, County of T-Mobile License LLC Texas Eastern Communications, LLC Thought Transmissions, LLC Torellco LLC Transcontinental Gas Pipeline Corp. US Cellular Operating Company, LLC (WI) USCOC of Cumberland, Inc. 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 - Delaware/NJ 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 RSA 5 Limited Partnership 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 West Virginia Educational Broadcasting Westmoreland, County of Wheeling Power Company Wicomico County Williams Energy Services Williamson Enterprise LLC Wireless Internetwork LLC Worcester County Emergency Services World Class Wireless, LLC iSignal xWave Engineering LLC Frequency Coordination and Interference Analysis Report 02/14/2019 Page 8 of 13

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 02/14/2019 Page 9 of 13

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5500 http://www.comsearch.com Date: 02/14/2019 Job Number: 190201COMSGE02 Administrative Information Status ENGINEER PROPOSAL Call Sign E000296 Licensee Code INTELS Licensee Name Intelsat License LLC Site Information HAGERSTOWN, MD Venue Name Latitude (NAD 83) 39° 35' 54.0" N Longitude (NAD 83) 77° 45' 35.0" W Climate Zone A Rain Zone 2 Ground Elevation (AMSL) 173.74 m / 570.0 ft Link Information Satellite Type Geostationary Mode TO - Transmit-Only Modulation 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) 5.79 m / 19.0 ft Antenna Information Transmit - FCC32 Manufacturer GD Satcom Model TIW Gain / Diameter 53.5 dBi / 9.0 m 3-dB / 15-dB Beamwidth 0.36° / 0.67° Max Available RF Power (dBW/4 kHz) 11.5 (dBW/MHz) 35.5 Maximum EIRP (dBW/4 kHz) 65.0 (dBW/MHz) 89.0 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) 800KFXD / 6173.7 800KFXD / 6176.3 Max Great Circle Coordination Distance 558.1 km / 346.8 mi Precipitation Scatter Contour Radius 600.9 km / 373.3 mi Frequency Coordination and Interference Analysis Report 02/14/2019 Page 10 of 13

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5500 http://www.comsearch.com Coordination Values HAGERSTOWN, MD Licensee Name Intelsat License LLC Latitude (NAD 83) 39° 35' 54.0" N Longitude (NAD 83) 77° 45' 35.0" W Ground Elevation (AMSL) 173.74 m / 570.0 ft Antenna Centerline (AGL) 5.79 m / 19.0 ft Antenna Model GD Satcom 9 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 11.5 (dBW/4 kHz) Transmit 6.1 GHz Horizon Antenna Horizon Coordination Azimuth (°) Elevation (°) Discrimination (°) Gain (dBi) Distance (km) 0 0.00 101.81 -10.00 224.90 5 0.00 96.84 -10.00 224.90 10 0.00 91.86 -10.00 224.90 15 0.00 86.88 -10.00 224.90 20 0.00 81.90 -10.00 224.90 25 0.00 76.92 -10.00 224.90 30 0.00 71.95 -10.00 224.90 35 0.00 66.97 -10.00 224.90 40 0.00 62.00 -10.00 224.90 45 0.00 57.03 -10.00 224.90 50 0.00 52.06 -10.00 224.90 55 0.00 47.09 -9.82 225.68 60 0.00 42.14 -8.62 231.10 65 0.00 37.19 -7.26 237.40 70 0.00 32.26 -5.72 244.85 75 0.00 27.34 -3.92 253.25 80 0.00 22.47 -1.79 264.69 85 0.00 17.65 0.83 279.78 90 0.00 12.98 4.17 300.73 95 0.00 8.66 8.56 331.20 100 0.00 5.61 13.27 558.14 105 0.00 6.15 12.28 412.77 110 0.00 9.60 7.45 323.22 115 0.00 13.27 3.93 299.14 120 0.00 16.89 1.31 282.67 125 0.00 20.41 -0.75 270.55 130 0.00 23.83 -2.43 261.18 135 0.00 27.11 -3.83 253.74 140 0.00 30.23 -5.01 248.34 145 0.00 33.14 -6.01 243.41 150 0.00 35.82 -6.85 239.34 155 0.00 38.20 -7.55 236.03 160 0.00 40.26 -8.12 233.38 165 0.00 41.93 -8.56 231.35 170 0.00 43.16 -8.88 229.92 175 0.00 43.92 -9.07 229.06 180 0.00 44.18 -9.13 228.78 185 0.00 43.92 -9.07 229.06 Frequency Coordination and Interference Analysis Report 02/14/2019 Page 11 of 13

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5500 http://www.comsearch.com Coordination Values HAGERSTOWN, MD Licensee Name Intelsat License LLC Latitude (NAD 83) 39° 35' 54.0" N Longitude (NAD 83) 77° 45' 35.0" W Ground Elevation (AMSL) 173.74 m / 570.0 ft Antenna Centerline (AGL) 5.79 m / 19.0 ft Antenna Model GD Satcom 9 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 11.5 (dBW/4 kHz) Transmit 6.1 GHz Horizon Antenna Horizon Coordination Azimuth (°) Elevation (°) Discrimination (°) Gain (dBi) Distance (km) 190 0.00 43.16 -8.88 229.92 195 0.00 41.93 -8.56 231.35 200 0.00 40.26 -8.12 233.38 205 0.00 38.20 -7.55 236.03 210 0.00 35.81 -6.85 239.35 215 0.00 33.14 -6.01 243.41 220 0.00 30.22 -5.01 248.35 225 0.00 27.11 -3.83 253.73 230 0.00 23.83 -2.43 261.17 235 0.00 20.42 -0.75 270.54 240 0.00 16.89 1.31 282.69 245 0.00 13.28 3.92 299.12 250 0.00 9.59 7.46 323.30 255 0.00 6.33 11.96 421.37 260 0.00 6.11 12.35 539.37 265 0.00 9.18 7.93 326.63 270 0.00 13.46 3.77 298.14 275 0.00 18.11 0.55 278.14 280 0.00 22.90 -2.00 263.54 285 0.00 27.76 -4.09 252.40 290 0.00 32.66 -5.85 244.18 295 0.00 37.59 -7.38 236.85 300 0.00 42.53 -8.72 230.64 305 0.00 47.48 -9.91 225.29 310 0.00 52.44 -10.00 224.90 315 0.00 57.40 -10.00 224.90 320 0.00 62.37 -10.00 224.90 325 0.00 67.34 -10.00 224.90 330 0.00 72.31 -10.00 224.90 335 0.00 77.28 -10.00 224.90 340 0.00 82.26 -10.00 224.90 345 0.00 87.23 -10.00 224.90 350 0.00 92.21 -10.00 224.90 355 0.00 97.18 -10.00 224.90 Frequency Coordination and Interference Analysis Report 02/14/2019 Page 12 of 13

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: February 14, 2019 Frequency Coordination and Interference Analysis Report 02/14/2019 Page 13 of 13


Document Created: 2019-05-15 17:06:08
Document Modified: 2019-05-15 17:06:08
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