Attachment Exhibit B

This document pretains to SES-LIC-20101029-01368 for License on a Satellite Earth Station filing.

IBFS_SESLIC2010102901368_848844

EXHIBIT B FREQUENCY COORDINATION AND INTERFERENCE ANALYSIS REPORT Prepared for _ Intelsat North America LLC Hagerstown, Maryland Satellite Earth Station Prepared By: > > COMSEARCH 19700 Janelia Farm Boulevard Ashburn, Virginia 20147 October 20, 2010

TABLE OF CONTENTS 1. CONCLUSIONS 112202222220 002 00e v e rererrrrerererenrerrerere ie renerereeprenstrrrresrrerrrre sc rrerererere ndsarrrervrre es ererererererrer e en i rrrerr en 3 2. SUMMARY OF RESULTS.122202 00200000009 ervrreererrrrerer e es[evesrerncresrseererbetseererrerrerierinirerrrerreeesee ce ie enb rererrer ie rernee en es 4 3. SUPPLEMENTAL SHOWING .1 .,. 1220000000 0eeererererer esdevirrrssessrerererrerrisreereerrervissisriberrersresrrereesirerrererereeseree es 5 4. EARTH STATION COORD!NATION DATA ... Wresrrrrresrerrrrserreecrrrrsrrererrerirsrrereserrreriisecerbersrererierirnererees 8 5. CERTIFICATION a;»20222222222222rerererterirsssesrerersersestcrerseessasessrerserssecserseiresrereresesereserir ie ie e cerreererecrer ie ce rer ie ce se e e e en 12 —Frequency.Coordination and Interference Analysis Report .. .. _ _ .10/20/2010 _ 2. . Page 2of 12

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 beno restrictions of its operation due to interference considerations. : —— Frequency Coordination and Interference Analysis Report __._ ____.10/20/2010 . . _ _ Page 3 of 12. _ _

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 sufflcnent to reduce the signal levels to acceptable magnitudes in every case. The following companies reported potential great circle interfsrence 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 . Allegheny Power Service Corporation AT&T Communications of Maryland, Inc. Baltimore County of Maryland Baltimore Gas & Electric Company Cellco Partnership — Newark—Dallas Verizon Cellco Partnership — PA Region Exelon Generation Company LLC Hardy Cellular Telephone ‘ Local Communications Network, Inc. MCI Communication Services Inc. New Cingular Wireless PCS, LLC — PA New Cingular Wireless PCS — VA/DC/MD SCTF Net . State of Maryland, MIEMSS State of WV DHHR/BPH STECS USCOC of Cumberland, Inc. Washington Gas Light Company No other carriers reported potential interference cases. _ ... Frequency Coordinationand Interference Analysis Report _ ___._. 10/20/2010 Page 4 of12 __ ___>_

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 usmg computer techniques and in accordance with Part 25 of the FCC Rules and Regulations. ~ Coordination data for this earth station was sent to the beiow listed carriers with a letter dated August 16, 2010. Company AT&T COMMUNICATIONS OF MARYLAND INC AT&T COMMUNICATIONS OF VIRGINIA INC AT&T CORP Allegheny Power Service Corporation Alite! Communications of Virginia #1 LLC Atlantic Broadband (Delmar), LLC . Atlantic Broadband (Penn), LLC Atlantic City Electric Company BAY BROADBAND COMMUNICATIONS LLC BEDFORD COUNTY 911 Baltimore County of Maryland Baltimore Gas and Electric Company Berks, County of Borough of Huntingdon CHESTER, COUNTY OF CNG Transmission Corporation COLLEGE OF SOUTHERN MARYLAND COMMONWEALTH OF PENNSYLVANIA,RADIO PROUJ. CROWN COMMUNICATION, INC Cambria, County of Cellco Partnershlp Bridgeville, PA Cellco Partnership — Southern Virginia Cellco Partnership— PA Region Celico Partnership—Newark—Dallas Verizon Cellco Partnership—Washington/Baltimore Cellco Prtnrshp — Phil. Tri—State Rgn Charles, County of Conterra UItra Broadband, LLC County of Frederick County of Stafford DAUPHIN COUNTY EMERGENCY MANAGEMENT DELAWARE STATE — DT Delmarva Power & Light Company Enoch Pratt Free Library Exelon Generation Company, LL.C ~Frequency Coordination andInterference—Analysis Report — se ns e 1.0/20/20,10, 2 uc _ —Page5 of 12. _

Company (Continued Fayette, County of Frederick County Gresene, County of (PA) Hardy Cellular Telephone Company Harrisonburg—Rockingham ECC International Communications Group, Inc. LB Tower Company LLC Last Mile Inc. Local Communications Network, Inc. > Loudoun, County of MCI Communications Services Inc. METROPOLITAN AREA NETWORKS, INC. Maryland Public Broadcasting Commission Maryland State Highway Administration . Maryland, State of — Budget & Management National Radio Astronomy Observatory New Cingular Wireless PCS LLC —NJ New Cingular Wireless PCS — VA/DC/MD New Cingular Wireless PCS LLC — DC New Cingular Wireless PCS LLC—< DE/NH/R! New Cingular Wireless PCS, LLC — PA New Cingular Wireless PCS, LLC — WVA~NA New Jersey, State of —NJ Transit Northern Virginia Electric Cooperative Open Range Communications PENNSYLVANIA TURNPIKE COMMISSION PRINCE WILLIAM COUNTY PSEG Services Corporation Peco Energy Company Penn Service Microwave Co., Inc. Pittsburgh SMSA Limited Partnership Prince George‘s County RAPPAHANNOCK ELECTRIC COOPERATIVE SCTF NET SHENANDOAH VALLEY ELECTRIC COOPERATIVE SOMERSET COUNTY South & Central Wireless, LLC — SOVA Southern Maryland Electric Cooperative I State of Maryland, MIEMSS State of WV DHHR/BPH STECS Texas Eastern Communications, Inc. USCOC of Cumberland, Inc. VFTECHNOLOGIES Verizon Maryland, Inc. Virginia Broadband, LLC Virginia Cellular LLC Virginia Department of State Police Virginia Electric & Power Company Virginia PCS Alliance, L.C. ‘Frequency Coordination and Interference Analysis Report. ... .10/20/2010. _ _ ..Page 6of12— _ _ _..

Company (Continued) WASHINGTON SUBURBAN SANITARY COMMISSION WITF Inc. ' Washington D.C. SMSA L.P. Washington Gas Light Company York County Dept of Emergency Services ———~Frequency Coordination and—Interference Analysis—Report — 10/20/2010.—. ... .. — Page. 7 of 12

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—InterferenceAnalysis Report — — —.——— 10/20/2010——_— __—.—Page 8 of12

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726—5500 http://www.comsearch.com Date: 10/20/2010 Job N»umber: 100816COMSJICO1 Admir:istrative Information Status ' ENGINEER PROPOSAL Call Sign Licensee Code INTNOA Licensee Name Intelsat North America LLC Site Information HAGERSTOWN, MARYLAND Venue Name Latitude (NAD 83) 39° 35¢ 55.0" N Longitude (NAD 83) 77° 45‘ 22.0" W Climate Zone A Rain Zone 2 Ground Elevation (AMSL) 166.12 m / 545.0 ft Link information * Satellite Type Geostationary Mode TR — Transmit—Receive Modulation Analog and Digital Satellite Arc 6° W to 143° West Longitude Azimuth Range 101.9° to 253.6° Corresponding Elevation Angles 5.3°/10.3° Antenna Centerline (AGL) 8.23 m / 27.0 ft Antenna Information Receive Transmit Manufacturer Vertex Vertex Model 16.4 Meter 16.4 Meter Gain / Diameter 55.2 dBi / 16.4 m 58.7 dBi / 16.4 m s 3—dB / 15—dB Beamwidth 0.31° / 0.58° 0.20° / 0.37° Max Available RF Power (dBW/MA kHz) —2.1 (dBW/MHz) 21.3 Maximum EIRP (dBW/A kHz), 56.0 (dBW/MHz) 80.0 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 61 GHz ~ Emission / Frequency Range (MHz) 1M50G7D / 3625.0 — 4200.0 1M50G7D / 5850.0 — 6425.0 3GMOFBF / 3625.0 — 4200.0 36MOFBF / 5850.0 — 6425.0 2M00GT7F — 36MOGTF / 3625.0 — 4200.0 2M00GTF — 36MOGTF / 5850.0 — 6425.0 100KG7W — 72M0G7W / 3625.0 — 4200.0 100KG7W — 72MOGT7W / 5850.0 — 6425.0 Max Great Circle Coordination Distance 752.3 km / 467.4 mi 449.2 km / 279.1 mi Precipitation Scatter Contour Radius 613.5 km / 381.2 mi 101.4 km / 63.0 mi Frequency Coordination and Interference Analysis Report 10/2072010 Page 9 of 12

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 North Ameriga LLC Latitude (NAD 83) 39° 35 55.0" N _ Longitude (NAD 83) 77° 45‘ 22.0" W Ground Elevation (AMSL) 166.12 m / 545.0 ft Antenna Centerline (AGL) 8.23 m / 27.0 ft Antenna Model . Vertex 16.4 Meter Antenna Mode Receive 4.0 GHz Transmit 6.1 GHz Interference Objectives: Long Term —156.0 dBwW/MHz 20% —154.0 dBwW/4 kHz 20% Short Term —146.0 dBw/MHz 0.01% —131.0 dBW/4 kHz 0.0025% Max Available RF Power f —2.7 (dBW/A 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 0.28 101.82 C\ —10.00 274.72 —10.00 159.82 5 0.23 ©96.84 ; —10.00 281.19 —10.00 165.45 10 0.20 91.86 ~10.00 284.81 —10.00 170.25 15 0.22 86.88 —10.00 282.64 —10.00 168.36 20 _ —0.22 81.90 —10.00 283.24 ~10.00 . 168.88 25 0.20 f 76.92 —10.00 285.04 —10.00 170.45 30 0.00 71.95 —10.00 285.28 ~10.00 170.66 35 0.00 66.97 —10.00 285.28 —10.00 170.66 40 0.00 62.00 —10.00 285.28 —10.00 ©170.66 45 0.00 57.03 —10.00 285.28 —10.00 170.66 50 0.00 52.06 —10.00 . 285.28 —10.00 170.66 55 0.00 47.10 —9.82 286.40 —9.82 171.34 60 0.00 42.14 —8.62 294.23 —8.62 176.03 65 0.00 37.19 —7.26 303.30 ~7.26 181.28 70 0.00 32.26 —5.72 314.81 —5.72 187.24 75 0.00 217.35 —3.92 327.40 —3.92 194.13 80 0.00 22.47 —1.79 343.07 —1,79 202.27 85 0.00 - 17.66 0.83 362.98 0.83 210.75 90 0.00 12.98 4.17 388.86 4.17 224.76 95 0.00 8.67 8.55 426.05 8.55 245.19 100 0.00 5.62 13.26 752.34 13.26 449.18 105 0.00 6.15 12.28 543.42 12.28 312.20 110 0.00 9.60 7.45 416.38 7.45 239.82 115 0.00 13.27 3.93 387.53 3.93 223.71 120 0.00 16.89 1.31 366.72 1.31 212.69 125 & 0.00 20.41 —0.75 350.91 —0.75 204.62 130 0.00 23.83 —2.43 338.33 —2.43 199.84 135 0.00 27.11 —3.83 328.09 —3.83 194.49 140 0.00 30.23 —5.01 319.61 —5.01 189.96 145 0.00 > 33.14 —6.01 311.94 —6.01 186.11 150 ©0.00 35.82 —6.85 306.10 —6.85 182.86 155 0.00 . 38.20 —7.55 301.33 —7.55 180.15 160 0.00 40.26 ~—8.12 297.51 —8.12 177.95 165 0.00 41.93 —8.56 294.59 —8.56 176.24 170 0.00 ' 43.16 —8.88 292.52 —8.88 175.02 175 0.00 > 43.92 —9.07 291.29 —9.07 174.29 180 0.00 _ 44.18 —9.13 290.88 —9.13 174.04 185 0.00 43.92 —9.07 291.29 —9.07 174.28 Frequency Coordination and Interference Analysis Report 10/20/2010 ° Page 10 of 12

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 ©(703)726—5500 http://www.comsearch.com CGoordination Values — HAGERSTOWN, MD Licensee Name JR Intelsat North America L. LC Latitude (NAD 83) 39° 35 55.0" N Longitude (NAD 83) _ T77° 45‘ 22.0" W Ground Elevation {(AMSL) 166.12 m / 545.0 ft Antenna Centerline (AGL) 8.23 m / 27.0 ft Antenna Model : Vertex 16.4 Meter Antenna Mode to Receive 4.0 GHz Transmit 8.1 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 dBwW/4 kHz 0.0025% Max Available RF Power —2.7 (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 43.16 —8.88 ©292.52 —8.88° 175.02 195 0.00 . 41.93 —8.56 294.59 —8.56 . 176.24 200 0.00 40.26 —8.12 297.51 —8.12 177.95 205 0.00 38.20 —7.55 301.32 —17.55 180.15 210 0.00 35.81 —6.85 306.10 —6.85 182.86 215 0.22 32.97 —5.95 310.19 —5.95 ° 184.63 220 . 0.38 29.94 —4.91 296.87 —4.91 171.99 225 0.42 26.80 —3.70 299.48 —3.70 172.18 230 0.29 23.62 —2.33 327.24 —2.33 191.39 235 0.00 20.42 —0.75 350.90 —0.75 204.61 240 0.30 16.68 1.45 354.21 1.45 205.06 245 0.32 13.13 —4.04 373.12 4.04 212.73 250 0.29 10.61 6.36 395.31 6.36 225.57 255 0.34 10.02 6.98 454.33 6.98 257.67 260 0.37 11.76 5.24 376.09 ©5.24 212.80 265 —0.37 15.04 2.57 354.39 2.57 203.40 270 . 0.28 19.11 —0.03 345.60 —0.03 201.27 . 275 0.34 23.48 _ —2.27 321.44 —2.27 186.84 280 .0.33 28.06 —4.20 307.23 —4.20 179.34 285 0.00 32.85 —5.91 313.22 —5.91 186.47 290 — 0.00 37.61 —7.38 302.48 —7.38 180.81 295 0.00 42.41 —8.69 293.77 —8.69 175.76 300 0.00 47.25 —9.86 286.17 —9.86 171.20 305 0.27 52.07 ~10.00 276.561 ~10.00 161.45 310 ©0.32 56.95 ~10.00 270.66 —10.00 156.34 315 0.00 61.88 ~10.00 285.28 —10.00 170.66 320 0.00 66.78 ~10.00 285.28 ~10.00 170.66 325 0.00 71.69 ~10.00 285.28 —10.00 170.66 330 0.00 76.60 ~10.00 285.28 —10.00 170.66 335 0.28 81.51 ~10.00 275.23 —10.00 160.25 340 0.31 86.44 —~10.00 271.60 —10.00 157.14 345 0.28 — 91.36 —10.00 275.70 —10.00 . 160.66 350 0.24" 95.28 ~10.00 280.45 —10.00.© 164.81 355 — 0.32 101.21 ~10.00 270.70 —10.00 156.37 Frequency Coordination and Interference Analysis Report 10/20/2010 Page 11 of 12

5. CERTIFICATION I HEREBY CERTIFY THAT | AM THE TECHNICALLY QUALIFIED PERSON RESPONSIBLE FOR THE PREPARATION OF THE FREQUENCY COORDINATION ‘DATA CONTAINED IN THIS APPLICATION, THAT | AM FAMILIAR WITH PARTS 101 AND 25 OF THE FCC RULES AND REGULATIONS, THAT 1 HAVE EITHER PREPARED OR REVIEWED THE FREGQUENCY COORDINATION DATA SUBMITTED WITH THIS APPLICATION, AND THAT IT IS OO_<=u_|_u.~.m AND CORRECT TO THE BEST OF MY KNOWLEDGE AND BELIEF. %&g@ C . Goy/e»" Jeffrey E. Cowles Engineer III, Telecommunications COMSEARCH 19700 Janelia Farm Boulevard Ashburn, Va. 20147 DATED: October 20, 2010 _ FrequencyCoordination and InterferenceAnalysis Report. _ _ _ 10/20/2010 ___ ._Page12 of 12 _


Document Created: 2010-10-29 15:54:45
Document Modified: 2010-10-29 15:54:45
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