STA Data

0331-EX-ST-2002 Text Documents

Alcatel USA Marketing Inc.

2002-09-05ELS_58064

Electronic Filing September 5, 2002 FEDERAL COMMUNICATIONS COMMISSION Experimental Radio Service P.O. Box 358320 Pittsburgh, PA 15251-5320 Dear Sir or Madam: This letter is to request an Special Temporary Authority (STA) to operate a transmitter in certain selected bands between 11.7 GHz to 12.2 GHz, and 14.0 to 14.5 in Plano (Collin County), Texas, and Miami (Dade County), Florida, as described below. In accordance with 47 CFR chapter 1, (10-1-00 edition), section 5.61, the attached Exhibit A – System Description is being provided to support the application. Alcatel USA is planning a DVB-RCS platform to be used for a satellite 2-way broadband access demonstrations to customers for a limited period of time. Demonstrations are to begin on September 16, 2002 and will run until January 16, 2003. Since all outdoor work under this grant must be finished by September 16, Comsearch respectfully requests the FCC to expedite the approval of this STA request. If you have any questions please call. Sincerely, COMSEARCH Kenneth G. Ryan Director, Spectrum Management Services (703) 726-5685 kryan@comsearch.com 1

Exhibit A– System Description A.1 - Name, address, phone number of the applicant. Alcatel USA Marketing, Inc.. Attn: Ravi Chari 660 Data Drive Plano, Texas 75075 Voice: (972) 477-2573 Email: ravi.chari@alcatel.com A.2 - Description of why a Special Temporary Authority (STA) is needed. Alcatel USA Marketing Inc., of Plano, Texas, is developing a project to test a DVB-RCS platform out of Montreal, Canada, into their Plano, Texas and Miami, Florida sites where terminals are located. This platform is to be used for a limited time, for a satellite 2-way broadband access demonstration to customers. The reason for the STA request is to perform outdoor demonstrations between the hub location in Montreal, Canada and selected terminals in Plano, Texas and Miami, Florida. A.3 Description of the operation to be conducted and its purpose Alcatel will perform real-time satellite link testing of their DVB equipment using a hub earth station located in Montreal, Canada and two US based transmit-receive VSATs, located in Plano, TX and Miami, Fl. The points of contact for each transmitting site are as follows: Plano, Texas Site Miami, Florida Site Ravi Chari Olivier Badard Alcatel USA Marketing, Inc. Alcatel USA Marketing, Inc. 660 Data Drive Andesat Plano, Texas 75075 7065 NW 52nd Street Voice: (972) 477-2573 Miami, Florida 33166 Email: ravi.chari@alcatel.com Voice: (305) 569-1440 Email: olivier.badard@space.alcatel.fr 1

A.4 Time and dates of proposed operation. There will be demonstration sessions, from the Plano and Miami locations. It is anticipated that tests will be run during business hours and on weekends during daylight, beginning around September 16, 2002, and extending until about January 16, 2003. A.5 Class of station The transmitters, in both Miami and Plano, will be fixed all of the time. A.6 Description of the location and, if applicable, geographic coordinates of the proposed operation. All transmit signals will be from rooftop locations at the Plano, Texas (Coordinates: 33° – 00’ - 32.5”North Latitude and 96° – 45’ – 26.9” West Longitude), and Miami, Florida (Coordinates 25O 904’ 15.4” North Latitude and 80 O - 18’ - 43.5” West Longitude) sites. A.7 Equipment to be used, including name of manufacturer, model and number of units. The VSATs will use a Channel Master 1.2 meter antenna, model # 123, and 2 watt RFT transmitting at 1.8 watts. The 1.2 meter antenna gain is 43.3 dBi, the maximum EIRP out of both transmitting locations is 45.9 dBW. Both Miami and Plano will have same VSAT configurations. A.8 Frequencies Desired The tests will be performed in the US domestic FSS Ku-band. Transmissions will be between 14,000 and 14,500 MHz and reception will be between 11,700 and 12,200 MHz. A.9 Maximum effective radiated power (ERP) or equivalent isotropically radiated power (EIRP) A transmit antennas in Plano, Texas and Miami, Florida are Channel Master 1.2 meter earth stations (Model 123), with a gain of 43.3 dBi (at 14.25 GHz). The high powered amplifier is rated for 2 watts maximum. The maximum total EIRP at the feed flange of the earth stations will be 45.9 DBW, or a total RF power of 1.82 Watts. A.10 Emission designator and description of emission (bandwidth, modulation, etc.) The VSAT return link transmission is digital data at 210 ksps in an allocated bandwidth of 360 kHz. The received emission is a digital DVB signal at 7373 kbps in an allocated bandwidth of 11 MHz. 2

A.11 Overall height of antenna structure above the ground Both the Plano and Miami transmitters will be roof mounted no higher than 6’ above roof top level. 3

EXHIBIT B Miami, Fl Site Data SATELLITE EARTH STATION 09/04/2002 Company ALCATEL USA Earth Station Name, State MIAMI, FL Latitude (DMS) (NAD83) 25 49 15.4 N Longitude (DMS) (NAD83) 80 18 43.5 W Ground Elevation AMSL (Ft/m) 5.02 / 1.53 Antenna Centerline AGL (Ft/m) 50.00 / 15.24 Receive Antenna Type: FCC32 FCC Reference 32-25LOG(THETA) 12.0 GHz Gain (dBi) / Diameter (m) 41.8 / 1.2 3 dB / 15 dB Half Beamwidth 0.75 / 1.50 Transmit Antenna Type: FCC32 FCC Reference 32-25LOG(THETA) 14.0 GHz Gain (dBi) / Diameter (m) 43.3 / 1.2 3 dB / 15 dB Half Beamwidth 0.60 / 1.20 Operating Mode TRANSMIT AND RECEIVE Modulation DIGITAL Emission / Receive Band (MHz) 11M0G7D / 11700.0000 - 12200.0000 Emission / Transmit Band (MHz) 360KG7D / 14000.0000 - 14500.0000 Max. Available RF Power (dBW)/4 kHz) -16.00 (dBW)/MHz) 8.00 Max. EIRP (dBW)/4 kHz) 27.30 (dBW)/MHz) 51.30 (dBW) 45.90 Max permissible Interference Power 12.0 GHz, 20% (dBW/1 MHz) -165.0 12.0 GHz, 0.0100% (dBW/1 MHz) -155.0 14.0 GHz, 20% (dBW/4 kHz) -151.0 14.0 GHz, 0.0025% (dBW/4 kHz) -128.0 Range of Satellite Arc (Geostationary) Degrees Longitude 123.0 W / 123.0 W Azimuth Range (Min/Max) 244.7 / 244.7 Corresponding Elevation Angles 34.2 / 34.2 Radio Climate B Rain Zone 1 Max Great Circle Coordination Distance (Mi/Km) 12.0 GHz 261.1 / 420.2 14.0 GHz 81.1 / 130.5 Precipitation Scatter Contour Radius (Mi/Km) 12.0 GHz 337.3 / 542.9 14.0 GHz 62.1 / 100.0 Note: Horizon is less than 0.2 degrees at all azimuths 1

Table of Earth Station Coordination Values 09/04/2002 Earth Station Name MIAMI FL Owner ALCATEL USA Latitude (DMS) (NAD83) 25 49 15.4 N Longitude (DMS) (NAD83) 80 18 43.5 W Ground Elevation (Ft/m) 5.02 / 1.53 AMSL Antenna Centerline (Ft/m) 50.00 / 15.24 AGL Antenna Model FCC Reference 32-25LOG(THETA) Objectives: Receive -165.0 (dBW /1 MHz) Transmit -151.0 (dBW /4 kHz) TX Power -16.0 (dBW/4 kHz) Azimuth Horizon Antenna 12.0 GHz 14.0 GHz (Deg) Elevation Disc. Antenna Coordination Antenna Coordination Angle Angle Gain Distance Gain Distance (Deg) (Deg) (dBi) (Km) (dBi) (Km) 0 0.00 110.67 -10.00 381.6 -10.00 118.7 5 0.00 114.63 -10.00 381.6 -10.00 118.7 10 0.00 118.52 -10.00 381.6 -10.00 118.7 15 0.00 122.31 -10.00 381.6 -10.00 118.7 20 0.00 125.97 -10.00 381.6 -10.00 118.7 25 0.00 129.48 -10.00 381.6 -10.00 118.7 30 0.00 132.80 -10.00 381.6 -10.00 118.7 35 0.00 135.88 -10.00 381.6 -10.00 118.7 40 0.00 138.67 -10.00 381.6 -10.00 118.7 45 0.00 141.09 -10.00 381.6 -10.00 118.7 50 0.00 143.08 -10.00 381.6 -10.00 118.7 55 0.00 144.56 -10.00 381.6 -10.00 118.7 60 0.00 145.47 -10.00 381.6 -10.00 118.7 65 0.00 145.75 -10.00 381.6 -10.00 118.7 70 0.00 145.40 -10.00 381.6 -10.00 118.7 75 0.00 144.43 -10.00 381.6 -10.00 118.7 80 0.00 142.88 -10.00 381.6 -10.00 118.7 85 0.00 140.84 -10.00 381.6 -10.00 118.7 90 0.00 138.37 -10.00 381.6 -10.00 118.7 95 0.00 135.55 -10.00 381.6 -10.00 118.7 100 0.00 132.44 -10.00 381.6 -10.00 118.7 105 0.00 129.10 -10.00 381.6 -10.00 118.7 110 0.00 125.57 -10.00 381.6 -10.00 118.7 115 0.00 121.89 -10.00 381.6 -10.00 118.7 120 0.00 118.09 -10.00 381.6 -10.00 118.7 125 0.00 114.19 -10.00 381.6 -10.00 118.7 130 0.00 110.22 -10.00 381.6 -10.00 118.7 135 0.00 106.20 -10.00 381.6 -10.00 118.7 140 0.00 102.13 -10.00 381.6 -10.00 118.7 145 0.00 98.02 -10.00 381.6 -10.00 118.7 150 0.00 93.90 -10.00 381.6 -10.00 118.7 155 0.00 89.77 -10.00 381.6 -10.00 118.7 160 0.00 85.64 -10.00 381.6 -10.00 118.7 165 0.00 81.52 -10.00 381.6 -10.00 118.7 170 0.00 77.42 -10.00 381.6 -10.00 118.7 175 0.00 73.35 -10.00 381.6 -10.00 118.7 180 0.00 69.33 -10.00 381.6 -10.00 118.7 2

Table of Earth Station Coordination Values 09/04/2002 Earth Station Name MIAMI FL Owner ALCATEL USA Latitude (DMS) (NAD83) 25 49 15.4 N Longitude (DMS) (NAD83) 80 18 43.5 W Ground Elevation (Ft/m) 5.02 / 1.53 AMSL Antenna Centerline (Ft/m) 50.00 / 15.24 AGL Antenna Model FCC Reference 32-25LOG(THETA) Objectives: Receive -165.0 (dBW /1 MHz) Transmit -151.0 (dBW /4 kHz) TX Power -16.0 (dBW/4 kHz) Azimuth Horizon Antenna 12.0 GHz 14.0 GHz (Deg) Elevation Disc. Antenna Coordination Antenna Coordination Angle Angle Gain Distance Gain Distance (Deg) (Deg) (dBi) (Km) (dBi) (Km) 185 0.00 65.37 -10.00 381.6 -10.00 118.7 190 0.00 61.48 -10.00 381.6 -10.00 118.7 195 0.00 57.70 -10.00 381.6 -10.00 118.7 200 0.00 54.03 -10.00 381.6 -10.00 118.7 205 0.00 50.52 -10.00 381.6 -10.00 118.7 210 0.00 47.20 -9.85 383.1 -9.85 119.2 215 0.00 44.12 -9.12 390.7 -9.12 121.5 220 0.00 41.33 -8.41 398.1 -8.41 123.8 225 0.00 38.91 -7.75 405.1 -7.75 125.9 230 0.00 36.92 -7.18 411.2 -7.18 127.7 235 0.00 35.44 -6.74 416.1 -6.74 129.2 240 0.00 34.53 -6.46 419.2 -6.46 130.2 245 0.00 34.25 -6.37 420.2 -6.37 130.5 250 0.00 34.60 -6.48 418.9 -6.48 130.1 255 0.00 35.57 -6.78 415.6 -6.78 129.1 260 0.00 37.12 -7.24 410.6 -7.24 127.6 265 0.00 39.16 -7.82 404.3 -7.82 125.7 270 0.00 41.63 -8.48 397.3 -8.48 123.5 275 0.00 44.45 -9.20 389.8 -9.20 121.2 280 0.00 47.56 -9.93 382.3 -9.93 118.9 285 0.00 50.90 -10.00 381.6 -10.00 118.7 290 0.00 54.43 -10.00 381.6 -10.00 118.7 295 0.00 58.11 -10.00 381.6 -10.00 118.7 300 0.00 61.91 -10.00 381.6 -10.00 118.7 305 0.00 65.81 -10.00 381.6 -10.00 118.7 310 0.00 69.78 -10.00 381.6 -10.00 118.7 315 0.00 73.80 -10.00 381.6 -10.00 118.7 320 0.00 77.87 -10.00 381.6 -10.00 118.7 325 0.00 81.98 -10.00 381.6 -10.00 118.7 330 0.00 86.10 -10.00 381.6 -10.00 118.7 335 0.00 90.23 -10.00 381.6 -10.00 118.7 340 0.00 94.36 -10.00 381.6 -10.00 118.7 345 0.00 98.48 -10.00 381.6 -10.00 118.7 350 0.00 102.58 -10.00 381.6 -10.00 118.7 355 0.00 106.65 -10.00 381.6 -10.00 118.7 3

Earth Station Azimuth and Elevation Table 09/04/2002 Earth Station Name MIAMI FL Owner ALCATEL USA Latitude (DMS) (NAD83) 25 49 15.4 N Longitude (DMS) (NAD83) 80 18 43.5 W Ground Elevation (Ft/m) 5.02 / 1.53 AMSL Antenna Centerline (Ft/m) 50.00 / 15.24 AGL Satellite Arc Range 123.0 W 123.0 W Satellite Azimuth Elevation Satellite Longitude (Degrees) (Degrees) Name 123.0 244.7 34.2 Galaxy 10R 4

Exhibit C – Plano, TX Site Data SATELLITE EARTH STATION 09/04/2002 Company ALCATEL USA Earth Station Name, State PLANO, TX Latitude (DMS) (NAD83) 33 0 32.5 N Longitude (DMS) (NAD83) 96 45 26.9 W Ground Elevation AMSL (Ft/m) 700.03 / 213.36 Antenna Centerline AGL (Ft/m) 75.00 / 22.86 Receive Antenna Type: FCC32 FCC Reference 32-25LOG(THETA) 12.0 GHz Gain (dBi) / Diameter (m) 41.8 / 1.2 3 dB / 15 dB Half Beamwidth 0.75 / 1.50 Transmit Antenna Type: FCC32 FCC Reference 32-25LOG(THETA) 14.0 GHz Gain (dBi) / Diameter (m) 43.3 / 1.2 3 dB / 15 dB Half Beamwidth 0.60 / 1.20 Operating Mode TRANSMIT AND RECEIVE Modulation DIGITAL Emission / Receive Band (MHz) 11M0G7D / 11700.0000 - 12200.0000 Emission / Transmit Band (MHz) 360KG7D / 14000.0000 - 14500.0000 Max. Available RF Power (dBW)/4 kHz) -16.90 (dBW)/MHz) 7.10 Max. EIRP (dBW)/4 kHz) 26.40 (dBW)/MHz) 50.40 (dBW) 45.90 Max permissible Interference Power 12.0 GHz, 20% (dBW/1 MHz) -165.0 12.0 GHz, 0.0100% (dBW/1 MHz) -155.0 14.0 GHz, 20% (dBW/4 kHz) -151.0 14.0 GHz, 0.0025% (dBW/4 kHz) -128.0 Range of Satellite Arc (Geostationary) Degrees Longitude 123.0 W / 123.0 W Azimuth Range (Min/Max) 222.1 / 222.1 Corresponding Elevation Angles 42.4 / 42.4 Radio Climate A Rain Zone 2 Max Great Circle Coordination Distance (Mi/Km) 12.0 GHz 173.0 / 278.4 14.0 GHz 69.5 / 111.9 Precipitation Scatter Contour Radius (Mi/Km) 12.0 GHz 62.1 / 100.0 14.0 GHz 62.1 / 100.0 Note: Horizon is less than 0.2 degrees at all azimuths 1

Table of Earth Station Coordination Values 09/04/2002 Earth Station Name PLANO TX Owner ALCATEL USA Latitude (DMS) (NAD83) 33 0 32.5 N Longitude (DMS) (NAD83) 96 45 26.9 W Ground Elevation (Ft/m) 700.03 / 213.36 AMSL Antenna Centerline (Ft/m) 75.00 / 22.86 AGL Antenna Model FCC Reference 32-25LOG(THETA) Objectives: Receive -165.0 (dBW /1 MHz) Transmit -151.0 (dBW /4 kHz) TX Power -16.9 (dBW/4 kHz) Azimuth Horizon Antenna 12.0 GHz 14.0 GHz (Deg) Elevation Disc. Antenna Coordination Antenna Coordination Angle Angle Gain Distance Gain Distance (Deg) (Deg) (dBi) (Km) (dBi) (Km) 0 0.00 123.22 -10.00 271.4 -10.00 108.6 5 0.00 126.09 -10.00 271.4 -10.00 108.6 10 0.00 128.73 -10.00 271.4 -10.00 108.6 15 0.00 131.11 -10.00 271.4 -10.00 108.6 20 0.00 133.19 -10.00 271.4 -10.00 108.6 25 0.00 134.92 -10.00 271.4 -10.00 108.6 30 0.00 136.25 -10.00 271.4 -10.00 108.6 35 0.00 137.15 -10.00 271.4 -10.00 108.6 40 0.00 137.59 -10.00 271.4 -10.00 108.6 45 0.00 137.56 -10.00 271.4 -10.00 108.6 50 0.00 137.05 -10.00 271.4 -10.00 108.6 55 0.00 136.09 -10.00 271.4 -10.00 108.6 60 0.00 134.69 -10.00 271.4 -10.00 108.6 65 0.00 132.91 -10.00 271.4 -10.00 108.6 70 0.00 130.79 -10.00 271.4 -10.00 108.6 75 0.00 128.37 -10.00 271.4 -10.00 108.6 80 0.00 125.69 -10.00 271.4 -10.00 108.6 85 0.00 122.80 -10.00 271.4 -10.00 108.6 90 0.00 119.72 -10.00 271.4 -10.00 108.6 95 0.00 116.50 -10.00 271.4 -10.00 108.6 100 0.00 113.15 -10.00 271.4 -10.00 108.6 105 0.00 109.70 -10.00 271.4 -10.00 108.6 110 0.00 106.17 -10.00 271.4 -10.00 108.6 115 0.00 102.58 -10.00 271.4 -10.00 108.6 120 0.00 98.94 -10.00 271.4 -10.00 108.6 125 0.00 95.27 -10.00 271.4 -10.00 108.6 130 0.00 91.58 -10.00 271.4 -10.00 108.6 135 0.00 87.89 -10.00 271.4 -10.00 108.6 140 0.00 84.20 -10.00 271.4 -10.00 108.6 145 0.00 80.53 -10.00 271.4 -10.00 108.6 150 0.00 76.90 -10.00 271.4 -10.00 108.6 155 0.00 73.32 -10.00 271.4 -10.00 108.6 160 0.00 69.80 -10.00 271.4 -10.00 108.6 165 0.00 66.36 -10.00 271.4 -10.00 108.6 170 0.00 63.03 -10.00 271.4 -10.00 108.6 175 0.00 59.83 -10.00 271.4 -10.00 108.6 180 0.00 56.78 -10.00 271.4 -10.00 108.6 2

Table of Earth Station Coordination Values 09/04/2002 Earth Station Name PLANO TX Owner ALCATEL USA Latitude (DMS) (NAD83) 33 0 32.5 N Longitude (DMS) (NAD83) 96 45 26.9 W Ground Elevation (Ft/m) 700.03 / 213.36 AMSL Antenna Centerline (Ft/m) 75.00 / 22.86 AGL Antenna Model FCC Reference 32-25LOG(THETA) Objectives: Receive -165.0 (dBW /1 MHz) Transmit -151.0 (dBW /4 kHz) TX Power -16.9 (dBW/4 kHz) Azimuth Horizon Antenna 12.0 GHz 14.0 GHz (Deg) Elevation Disc. Antenna Coordination Antenna Coordination Angle Angle Gain Distance Gain Distance (Deg) (Deg) (dBi) (Km) (dBi) (Km) 185 0.00 53.91 -10.00 271.4 -10.00 108.6 190 0.00 51.27 -10.00 271.4 -10.00 108.6 195 0.00 48.89 -10.00 271.4 -10.00 108.6 200 0.00 46.81 -9.76 272.6 -9.76 109.2 205 0.00 45.08 -9.35 274.8 -9.35 110.2 210 0.00 43.75 -9.02 276.6 -9.02 111.0 215 0.00 42.85 -8.80 277.8 -8.80 111.6 220 0.00 42.41 -8.69 278.4 -8.69 111.8 225 0.00 42.44 -8.69 278.4 -8.69 111.8 230 0.00 42.95 -8.82 277.7 -8.82 111.5 235 0.00 43.91 -9.07 276.4 -9.07 110.9 240 0.00 45.31 -9.40 274.5 -9.40 110.1 245 0.00 47.09 -9.82 272.3 -9.82 109.1 250 0.00 49.21 -10.00 271.4 -10.00 108.6 255 0.00 51.63 -10.00 271.4 -10.00 108.6 260 0.00 54.31 -10.00 271.4 -10.00 108.6 265 0.00 57.21 -10.00 271.4 -10.00 108.6 270 0.00 60.28 -10.00 271.4 -10.00 108.6 275 0.00 63.50 -10.00 271.4 -10.00 108.6 280 0.00 66.85 -10.00 271.4 -10.00 108.6 285 0.00 70.30 -10.00 271.4 -10.00 108.6 290 0.00 73.83 -10.00 271.4 -10.00 108.6 295 0.00 77.42 -10.00 271.4 -10.00 108.6 300 0.00 81.06 -10.00 271.4 -10.00 108.6 305 0.00 84.73 -10.00 271.4 -10.00 108.6 310 0.00 88.42 -10.00 271.4 -10.00 108.6 315 0.00 92.11 -10.00 271.4 -10.00 108.6 320 0.00 95.80 -10.00 271.4 -10.00 108.6 325 0.00 99.47 -10.00 271.4 -10.00 108.6 330 0.00 103.10 -10.00 271.4 -10.00 108.6 335 0.00 106.68 -10.00 271.4 -10.00 108.6 340 0.00 110.20 -10.00 271.4 -10.00 108.6 345 0.00 113.64 -10.00 271.4 -10.00 108.6 350 0.00 116.97 -10.00 271.4 -10.00 108.6 355 0.00 120.17 -10.00 271.4 -10.00 108.6 3

Earth Station Azimuth and Elevation Table 09/04/2002 Earth Station Name PLANO TX Owner ALCATEL USA Latitude (DMS) (NAD83) 33 0 32.5 N Longitude (DMS) (NAD83) 96 45 26.9 W Ground Elevation (Ft/m) 700.03 / 213.36 AMSL Antenna Centerline (Ft/m) 75.00 / 22.86 AGL Satellite Arc Range 123.0 W 123.0 W Satellite Azimuth Elevation Satellite Longitude (Degrees) (Degrees) Name 123.0 222.1 42.4 Galaxy 10R 4

Exhibit D – Radiation Hazard Study Analysis of Non-Ionizing Radiation for a 1.2 Meter Earth Station System This report analyzes the non-ionizing radiation levels for a 1.2 meter earth station system. The analysis and calculations performed in this report are in compliance with the methods described in the FCC Office of Engineering and Technology Bulletin, No. 65 first published in 1985 and revised in 1997 in Edition 97-01. The radiation safety limits used in the analysis are in conformance with the FCC R&O 96-326. Bulletin No. 65 and the FCC R&O specifies that there are two separate tiers of exposure limits that are dependant on the situation in which the exposure takes place and/or the status of the individuals who are subject to the exposure. The Maximum Permissible Exposure (MPE) limits for persons in a General Population/ Uncontrolled environment are shown in Table 1. The General Population/ Uncontrolled MPE is a function of transmit frequency and is for an exposure period of thirty minutes or less. The MPE limits for persons in an Occupational/Controlled environment are shown in Table 2. The Occupational MPE is a function of transmit frequency and is for an exposure period of six minutes or less. The purpose of the analysis described in this report is to determine the power flux density levels of the earth station in the far-field, near-field, transition region, between the subreflector or feed and main reflector surface, at the main reflector surface, and between the antenna edge and the ground and to compare these levels to the specified MPEs. Table 1. Limits for General Population/Uncontrolled Exposure(MPE) Frequency Range (MHz) Power Density (mWatts/cm**2) 30-300 0.2 300-1500 Frequency(MHz)*(0.8/1200) 1500-100,000 1.0 Table 2. Limits for Occupational/Controlled Exposure(MPE) Frequency Range (MHz) Power Density (mWatts/cm**2) 30-300 1.0 300-1500 Frequency(MHz)*(4.0/1200) 1500-100,000 5.0 Table 3 contains the parameters that are used to calculate the various power densities for the earth stations. 1

EXHIBIT D Page 2 of 5 Table 3. Formulas and Parameters Used for Determining Power Flux Densities Parameter Abbreviation Value Units Antenna Diameter D 1.2 meters Antenna Surface Area Sa II * D**2/4 meters**2 Feed Flange Diameter Df 7.6 cm Area of Feed Flange Fa II * Df**2/4 cm**2 Frequency Frequency 14250 MHz Wavelength lambda 300/frequency(MHz) meters Transmit Power P 1.8 Watts Antenna Gain Ges 43.3 dBi Pi II 3.1415927 n/a Antenna Efficiency n 0.67 n/a 1. Far Field Distance Calculation The distance to the beginning of the far field can be determined from the following equation:(1) Distance to the Far Field Region,(Rf) = 0.60 * D**2 / lambda (1) = 41.0 meters The maximum main beam power density in the Far Field can be determined from the following equation:(2) On-Axis Power Density in the Far Field,(Wf) = Ges * P / 4 * II * Rf**2 (2) = 1.818 Watts/meters**2 = 0.182 mWatts/cm**2 2. Near Field Calculation Power flux density is considered to be at a maximum value throughout the entire length of the defined Near Field region. The region is contained within a cylindrical volume having the same diameter as the antenna. Past the boundary of the Near Field region the power density from the antenna decreases linearly with respect to increasing distance. The distance to the end of the Near Field can be determined from the following equation:(3) Extent of the Near Field,(Rn) = D**2 / (4 * lambda) (3) = 17.1 meters The maximum power density in the Near Field can be determined from the following equation:(4) Near Field Power Density,(Wn) = 16.0 * n * P / II * D**2 (4) = 4.245 Watts/meters**2 = 0.424 mWatts/cm**2 2

EXHIBIT D Page 3 of 5 3. Transition Region Calculations The Transition region is located between the Near and Far Field regions. The power density begins to decrease linearly with increasing distance in the Transition region. While the power density decreases inversely with distance in the Transition region, the power density decreases inversely with the square of the distance in the Far Field region. The maximum power density in the Transition region will not exceed that calculated for the Near Field region. The power density calculated in Section 1 is the highest power density the antenna can produce in any of the regions away from the antenna. The power density at a distance Rt can be determined from the following equation:(5) Transition region Power Density,(Tt) = Wn * Rn / Rt (5) = 0.424 mWatts/cm**2 4. Region between Feed Assembly and Antenna Reflector Transmissions from the feed assembly are directed toward the antenna reflector surface, and are confined within a conical shape defined by the type of feed assembly. The most common feed assemblies are waveguide flanges, horns or subreflectors. The energy between the feed assembly and reflector surface can be calculated by determining the power density at the feed assembly surface. This can be determined from the following equation:(6) Power Density at Feed Flange,(Wf) = 4 * P / Fa (6) = 158.714 mWatts/cm**2 5. Main Reflector Region The power density in the main reflector is determined in the same manner as the power density at the feed assembly. The area is now the area of the reflector aperture and can be determined from the following equation:(7) Power Density at the Reflector Surface,(Ws) = 4 * P / Sa (7) = 6.366 Watts/meters**2 = 0.637 mWatts/cm**2 6. Region between Reflector and Ground Assuming uniform illumination of the reflector surface, the power density between the antenna and ground can be determined from the following equation:(8) Power Density between Reflector and Ground,(Wg) = P / Sa (8) = 1.592 Watts/meters**2 = 0.159 mWatts/cm**2 3

EXHIBIT D Page 4 of 5 Table 4. Summary of Expected Radiation levels for Uncontrolled Environment Calculated Maximum Radiation Power Density Level Region (mWatts/cm**2) Hazard Assessment 1. Far Field (Rf) = 41.0 meters 0.182 Satisfies FCC MPE 2. Near Field (Rn) = 17.1 meters 0.424 Satisfies FCC MPE 3. Transition Region Rn < Rt < Rf, (Rt) 0.424 Satisfies FCC MPE 4. Between Feed Assembly 158.714 Potential Hazard and Antenna Reflector 5. Main Reflector 0.637 Satisfies FCC MPE 6. Between Reflector 0.159 Satisfies FCC MPE and Ground Table 5. Summary of Expected Radiation levels for Controlled Environment Calculated Maximum Radiation Power Density Level Region (mWatts/cm**2) Hazard Assessment 1. Far Field (Rf) = 41.0 meters 0.182 Satisfies FCC MPE 2. Near Field (Rn) = 17.1 meters 0.424 Satisfies FCC MPE 3. Transition Region Rn < Rt < Rf, (Rt) 0.424 Satisfies FCC MPE 4. Between Feed Assembly 158.714 Potential Hazard and Antenna Reflector 5. Main Reflector 0.637 Satisfies FCC MPE 6. Between Reflector 0.159 Satisfies FCC MPE and Ground It is the applicant's responsibility to ensure that the public and operational personnel are not exposed to harmful levels of radiation. 4

EXHIBIT D Page 5 of 5 7. Conclusions Based on the above analysis it is concluded that harmful levels of radiation will not exist in regions normally occupied by the public or the earth station's operating personnel. The transmitter will be turned off during antenna maintenance so that the FCC MPE of 5.0 mW/cm**2 will be complied with for those regions with close proximity to the reflector that exceed acceptable levels. 5


Document Created: 2019-04-27 20:14:24
Document Modified: 2019-04-27 20:14:24
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