Attachment Supplemental Showing

This document pretains to SES-REG-20180608-01374 for Earth Station Registration on a Satellite Earth Station filing.

IBFS_SESREG2018060801374_1416062

Micronet Communications, Inc. 720 F Avenue, Suite 100 Plano, Texas 75074 972-422-7200 SUPPLEMENTAL SHOWING PART 101.103(D) File Number: M1813604 3.70 GHz Licensee: POTOMAC RADIO, LLC (DELAWARE) Page 1 _____________________________________________________________________________________ Pursuant to Parts 25.203 and 101.103(d) of the FCC Rules and Regulations, a frequency coordination study was conducted by Micronet Communications, Inc. for the following proposed earth station: New World Radio, MD The results of the study indicate that no unacceptable interference will result with existing, proposed or prior coordinated radio facilities. Coordination was performed with existing, proposed and prior coordinated carriers within coordination range on the following dates: 06/07/2018 Original PCN There were no unresolved interference objections. The attached coordination data was forwarded on the latest date to the following parties within coordination range or their authorized coordination agents: COMSEARCH INC MCI COMMUNICATIONS Respectfully Submitted, Jeremy Lewis Systems Engineer Attached: 1 data sheet

Micronet Communications, Inc. 720 F Avenue, Suite 100 Plano, Texas 75074 972-422-7200 File: M1813604 ========================================================================== TECHNICAL CHARACTERISTICS OF RECEIVE ONLY EARTH STATION ========================================================================== Company: POTOMAC RADIO, LLC (DELAWARE) Site Name, State: New World Radio, MD Call Sign: Latitude (NAD83) 38 52 9.4 N Longitude (NAD83) 76 53 45.9 W Elevation AMSL (ft/m) 396.98 121.00 Receive Frequency Range (MHz) 3700-4200 Transmit Frequency Range (MHz) Range of Satellite Orbital Long. (deg W) 60.00 160.00 Range of Azimuths from North (deg) 154.17 265.66 Antenna Centerline (ft/m) 22.97 7.00 Antenna Elevation Angles (deg) 41.68 -3.30 -------------------------------------------------------------------------- Equipment Parameters Receive -------------------------------------------------------------------------- Antenna Gain, Main Beam (dbI) 40.90 15 DB Half Beamwidth (deg) 3.20 Antennas Receive: PRODELIN 1374 (4.3 M) Max Transmitter Power (dbW/4KHz) Max EIRP Main Beam (dbW/4KHz) Modulation / Emission Designator DIGITAL 36M0G7W -------------------------------------------------------------------------- Coordination Parameters Receive -------------------------------------------------------------------------- Max Greater Circle Distances (km) 509.90 Max Rain Scatter Distances (km) 381.75 Max Interference Power Long Term (dbW) -140.60 Max Interference Power Short Term (dbW) -118.40 Rain Zone / Radio Zone 2 A

M1813604.TCS.txt MICRONET COMMUNICATIONS, INC. 06-07-2018 File: M1813604 page 1 ========================================================================== Horizon Angle Horizon Gain Final Contour - 3.95 GHz RECEIVE ONLY ========================================================================== Company: POTOMAC RADIO LLC (DELAWARE) Site Name, State: New World Radio, MD Call Sign: Latitude (NAD83) 38 52 9.4 N Longitude (NAD83) 76 53 45.9 W North Horizon Horizon Final North Horizon Horizon Final Azimuth Angle Gain Contour Azimuth Angle Gain Contour (deg) (deg) (db) (km) (deg) (deg) (db) (km) ------- ------- ------- ------- ------- ------- ------- ------- 0 0.00 -6.53 247.3 180 0.00 -9.47 251.4 5 0.00 -6.00 247.3 185 0.00 -9.40 252.4 10 0.00 -6.21 247.3 190 0.00 -9.20 254.0 15 0.00 -9.54 247.3 195 0.00 -8.86 255.1 20 0.00 -12.15 247.3 200 0.00 -8.41 255.6 25 0.00 -14.07 247.3 205 0.00 -7.85 255.4 30 0.00 -12.40 247.3 210 0.00 -7.21 254.5 35 0.00 -10.67 247.3 215 0.00 -6.49 252.9 40 0.00 -8.54 247.3 220 0.00 -5.70 250.9 45 0.00 -6.13 251.8 225 0.00 -4.62 248.4 50 0.00 -6.00 258.9 230 0.00 -3.40 247.3 55 0.00 -6.00 266.9 235 0.00 -2.13 247.3 60 0.00 -7.51 276.6 240 0.00 -0.82 247.3 65 0.00 -10.00 290.6 245 0.00 0.00 247.3 70 0.00 -10.00 307.6 250 0.00 0.43 247.3 75 0.00 -10.00 329.5 255 0.00 9.28 247.3 80 0.00 -10.00 362.3 260 0.00 19.99 247.3 85 0.00 -10.00 391.1 265 0.00 27.83 247.3 90 0.00 -10.00 509.9 270 0.00 10.27 247.3 95 0.00 -10.00 475.6 275 0.00 0.27 247.3 100 0.00 -10.00 381.4 280 0.00 0.00 247.3 105 0.00 -10.00 362.8 285 0.00 -1.69 247.3 110 0.00 -10.00 335.6 290 0.00 -3.50 247.3 115 0.00 -10.00 317.4 295 0.00 -5.32 247.3 120 0.00 -10.00 303.1 300 0.00 -6.69 247.3 125 0.00 -10.00 291.4 305 0.00 -8.00 247.3 Page 1

M1813604.TCS.txt 130 0.00 -10.00 281.7 310 0.00 -9.32 247.3 135 0.00 -9.51 273.8 315 0.00 -10.00 247.3 140 0.00 -9.10 268.3 320 0.00 -10.00 247.3 145 0.00 -8.81 263.6 325 0.00 -10.00 247.3 150 0.00 -8.64 259.8 330 0.00 -10.00 247.3 155 0.00 -8.59 256.6 335 0.00 -10.00 247.3 160 0.00 -8.68 254.2 340 0.00 -10.00 247.3 165 0.00 -8.89 252.4 345 0.00 -10.00 247.3 170 0.00 -9.19 251.4 350 0.00 -10.00 247.3 175 0.00 -9.40 251.0 355 0.00 -10.00 247.3 Page 2


Document Created: 2018-06-07 17:46:04
Document Modified: 2018-06-07 17:46:04
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