Attachment ViaSat 8060

This document pretains to SES-LIC-20120127-00098 for License on a Satellite Earth Station filing.

IBFS_SESLIC2012012700098_936907

This attachment contains the following items: Viasat 8060 Specifications Pages 2 and 3 Viasat 8060 Plots Pages 4 through 11 Viasat 8060 Radiation Hazard Study Page 12 through 15 Viasat 8060 Frequency Coordination Page 16 through 25

Model 8060 Earth Station Antenna 6.1 Meter HIGH-PERFORMANCE VIDEO, VOICE, AND DATA : C-BAND : EXTENDED C-BAND : Ku-BAND Model 8060 6.1 Meter Earth Station Antenna Model 8060 is a 6.1 meter earth station antenna that provides superior performance through the use of precision stretch- formed reflector panels and a dual-shaped Cassegrain feed. Corrugated conical feed horns ensure excellent antenna gain and sidelobe performance. Sixteen high-strength aluminum panels are durable enough to withstand a range of environ- mental conditions. Antenna panels mount to radial trusses attached to a central hub. The hub also provides a protective enclosure for sensitive electronics. The high-strength structural steel tripod mount employs an elevation-over-azimuth geometry for easy pointing to any satellite within the visible orbital arc. The mount’s stiff, rugged construction provides pointing accuracy for continu- ous operation, even under adverse wind conditions. Model 8060 At-A-Glance Model 8060 includes a galvanized structural steel tripod mount with a continuous 115° of motorized azimuth coverage in three • Compliant with FCC, ASIASAT, INTELSAT, overlapping sectors. An optional TORQUETUBE™ configura- EUTELSAT ITU and more tion adds continuous 180° motorized azimuth coverage. • Meets INTELSAT Standard F-2 and E-3 requirements Options • 180° continuous azimuth • High-efficiency shaped Cassegrain optics • Multiband feeds • Use with C-, Extended C-, or Ku-band • Cross-axis transmit waveguide (2 kW C-band, 700 W systems (optional combined feed — Ku-band) dichroic) • Waveguide loads • Add our 8860/8861A/8862 Antenna • Crossguide couplers Controller with patented AdaptTrack for • Hub cover accurate tracking • Hub heater • Minimal satellite repointing time with high- • Lightning protection speed motorized option • De-icing • Protected environment for LNAs/LNBs in hub • CE compliant Model 8060 Earth Station Antenna 6.1 Meter

Model 8060 Earth Station Antenna 6.1 Meter SPECIFICATIONS ELECTRICAL MECHANICAL C-band Ku-band Antenna Diameter: 6.15 meters (242 inches) Operating Frequency (GHz): Antenna Type: shaped dual reflector Transmit 5.850 – 6.425 14.0 – 14.5 Reflector Construction: 16 precision stretch formed steel Receive 3.625 – 4.2 10.95 –12.75 panels on galvanized steel hub and truss structure Gain (Midband, Ref. Feed Horn): Mount Type: elevation-over-azimuth Transmit 49.8 dBi3 57.3 dBi4 Antenna Travel: Receive 46.0 dBi1 56.1 dBi2 Elevation: 0° to 90° continuous5 Feed Insertion Loss (dB): Azimuth: 225° in 3 overlapping 120° sectors DP – 2-Port RX/RX Linear: Optional 180° continuous Receive 0.051 dB 0.12 dB Polarization Adjustment: RT – 2-Port RX/TX Linear: Manual: 360° Transmit 0.10 dB 0.10 dB Motorized: ±90° Receive 0.10 dB 0.12 dB Antenna Travel Rate (Motorized): 4PL – 4-Port RX/TX Linear: Various — consult factory Transmit 0.15 dB 0.27 dB Feed Interface: Receive 0.15 dB 0.27 dB Transmit C-band: CPR-137G 4PC – 4-Port RX/TX Circular: Transmit Ku-band: WR-75 Transmit 0.17 dB N/A Receive C-band: CPR-229G Receive 0.17 dB N/A Receive Ku-band: WR-75 VSWR: Weight C-band: TX 1.3:1 1.3:1 Net: 1,360 kg (3,000 lb.) RX 1.3:1 1.3:1 Ship: 2,630 kg (5,800 lb.) Beamwidth (-3 dB): Shipping Volume: 14.2 cubic meters (500 cubic feet) Transmit 0.56° 0.25° Receive 0.86° 0.30° First Sidelobe Level: ENVIRONMENTAL 14.0 dB 14.0 dB Wind Loading: Radiation Pattern: Operational: Drive-to-stow 129 km/h (80 MPH) C- and Ku-band: Meets standards set by FCC, INTELSAT, ASIASAT, 177 km/h (110 MPH) any position, 15° C, no ice EUTELSAT, ITU and others. Survival: 201 km/h (125 MPH), stowed, 15° C, no ice Antenna Noise Temp (Typical, Ref. Feed Horn): Temperature Range: Elevation C-band Ku-band Operational: -40° C to +65° C (-40° F to +150° F) 10° 27 K 36 K Atmospheric Conditions: 20° 20 K 27 K Salt, pollutants and corrosive contaminants as 30° 17 K 25 K found in coastal and industrial areas 40° 14 K 24 K Power Handling Per TX Port: 5 kW (CW) 2 kW (CW) Cross Pol Isolation (on axis, min.) (Linear): Transmit 35 dB 35 dB Receive 35 dB 35 dB Feed Port Isolation (4-Port Linear): RX/TX (RX-band) 85 dB 50 dB TX/RX (TX-band) 85 dB 85 dB TX/TX 21 dB 35 dB RX/RX 18 dB 35 dB Axial Ratio: (Circular Polarization) 1.06:1 atlanta beijing new delhi rome san diego sydney 4356 Communications Drive • Norcross, Georgia • 30093 • USA US Sales Telephone +1 678.924.2632 Int. Sale Telephone +1 678.924.2633 NOTES: facsimile +1 770.935.3285 1 2 Referenced at 3.95 GHz Referenced at 11.95 GHz www.viasat.com 3 Referenced at 6.175 GHz Designs, specifications, and availability of products and services presented in this announcement are subject to change without notice. 4 Referenced at 14.25 GHz The ViaSat logo is a trademark of ViaSat, Inc. All other trademarks mentioned are the sole property of their 5 Minimum elevation angle is 5° with the hot air de-icing option installed respective companies. © Copyright 2004 ViaSat, Inc. All rights reserved. Printed in the USA.. 722640-5003









RADIATION HAZARD EVALUATION For Clear Channel Hub Station - 6.1M Viasat 8060 C-Band Antenna 1 Overview Determining the region around an antenna where radiation hazardous to human health is a consideration of many factors. With a parabolic dish antenna, the region is highly directional and the actual hazardous region is dependent on the antenna elevation angle. The following formulae are used to determine the near and far field regions. These regions are in the main beam of the radiation pattern, which we will assume consists of a conical angle extending +/- 3 degrees from the center axis of the antenna. The analysis contained herein predicts the radiation levels around the proposed antenna. The calculations contained in this report are in accordance with FCC guidelines as contained in CFR 47 Part 1.1310 and OET Bulletin 65. The maximum level of non-ionizing radiation to which the general public is exposed is defined for controlled and uncontrolled environments as follows: Exposure Limit Environment Power Duration Controlled - (applicable to system operators and technicians in the service area of the antenna): 5 mW/cm2 6 Minutes Uncontrolled - (applicable to general public in proximity of the antenna): 1 mW/cm2 30 Minutes 2.1 Earth Station Technical Parameters - Input Data 1A Antenna Diameter - Standard Parabola 6.1 meters 1B Antenna Diameter - Elliptical Reflector meters 1B1 Major Axis Diameter meters 1B2 Minor Axis Diameter meters 2 G = Antenna Isotropic Gain 49.8 dBi 3 h = Nominal Antenna Efficiency 65 Percent 4 Nominal Frequency 6 GHz 5 Maximum Transmit Power Amplifier Size 398 Watts 6 Number of Carriers 2 each 7 W/G Loss from Transmitter to Feed 0.5 dB 8 Multicarrier Fixed Backoff 3 dB 9 Desired Object Clearance Height 3 meters 2.2 Earth Station Technical Parameters - Calculated Data 10 A = Antenna Surface Area 29.22 sq meters 10A Standard Parabolic Reflector 29.22466566 sq meters 10B Elliptical Reflector 0.00 sq meters 11 D = Effective Antenna Diameter 6.1 meters 12 Total Transmit Power 796 Watts 13 P = Total Feed Input Power (watts) 177.78 Watts 14 E = Maximum E/S EIRP - Calculated 72.30 dBW 15 λ = Wavelength (= c/f in m/GHz) 0.0500 m/GHz 16 p = Pi 3.14159 17 Rnf = Near Field Limit (D2/4λ) 186 meters 610 feet 18 Rff = Far Field Limit (Rff=0.6D2/λ ) 447 meters 1467 feet 19 Rnf to Rff = Transition Region 186 to 447 meters 610 to 1467 feet

3 Power Density at the Antenna Surface The power density at the reflector surface is expected to exceed the safe limits. The reflector is not accessible to the public and will not present a hazard. Terminal operators and technicians receive training identifying the area as presenting high exposure levels. Procedures are incorporated requiring that transmitters are not operating when access to the reflector surface is required. The power density at the antenna reflector surface can be calculated by the expression: PDREFL = 4P/A = 2.43 mW/cm2 Where: P = Total power at the feed, milliwatts A = Total area of reflector, sq cm Evaluation: Controlled Environment (less than 5 mW/cm2 in 6 minutes): SAFE 2 Uncontrolled environment (less than 1 mW/cm in 30 minutes): Mitigation Required 4 On-Axis Power Density in the Near Field Region The Radiating Near Field Region for a parabolic, circular reflector, is defined as extending from the reflector to a distance equal to the diameter squared divided by twice the wavelength. This distance is referred to as the Rayleigh distance. In this region the power is nearly all contained within a cylinder of radius 0.5D. As a safety measure the highest possible power density is applied to the whole of this region. The power density in the Near Field Region of the antenna can be calculated by the expression: 16*P*h/π*D 2 = 1.58 mW/cm 2 Where: P = Total power at the feed, milliwatts h = Nominal antenna efficiency D = Effective antenna diameter, meters Evaluation: Controlled Environment (less than 5 mW/cm2 in 6 minutes): SAFE Uncontrolled environment (less than 1 mW/cm 2 in 30 minutes): Mitigation Required 5 On-Axis Power Density in the Transition Region The transition region is located between the Near Field and Far Field regions. The power density begins to vary inversely with distance from the antenna in the transition region. The maximum power density in this region will not exceed the power density calculated for the Near Field region. Once again the power density figures are for the On-Axis and contained with a cylinder extending within +/- 1 degree of beam center. Where the antennas are normally operated at an elevation angle typically greater than 10°, the actual safe distance in front of the antenna may be found in paragraph 10. The formula for the calculation is used to evaluate the power density at any given distance in the transition as expressed below: The power density in the On-Axis Transition Region can be calculated by the expression: PDt=(PDnf)(Rnf)/R Where: PDnf = The Near Field power density, mW/cm2 Rnf = Near Field maximum distance, meters R = Distance to point of interest For: 186 < R < 447 meters Evaluation: Controlled Environment Safe Operating Distance, meters: 59 meters Uncontrolled environment Safe Operating Distance, meters : 294 meters

6 On-Axis Power Density in the Far Field Region The On-Axis power density in the far field region (PDff) varies inversely with the square of the distance. The calculation is performed below: The Power Density at the start of the Far Field region can be calculated by the expression: E-10log(4pR 2) 8.30 dBW/m 2 antilog((E-10log(4pR2)/10)/10 0.68 mW/cm 2 Evaluation: Controlled Environment (less than 5 mW/cm2 in 6 minutes): SAFE Uncontrolled environment (less than 1 mW/cm 2 in 30 minutes): SAFE 7 Off-Axis Power Density Levels at the Far Field Limit and Beyond In the far field region, the power is distributed in a pattern of sidelobes as a function of the off-axis angle between the antenna center line and the point of interest. Off-axis power density in the far field can be estimated using the antenna radiation patterns prescribed for the antenna in use. Usually this will correspond to the antenna gain pattern envelope defined by the FCC or the ITU, which takes the form of: Goff = 32 - 25log(θ) for θ from 1 to 48 degrees; -10 dBi from 48 to 180 degrees (Applicable for commonly used satellite transmit antennas) For example: At one (1) degree off axis At the far-field limit, we can calculate the power density as: Goff = 32 - 25log(1) = 32 - 0 dBi = 1585 numeric PD1 deg off-axis = PDffx 1585/G 0.0112 mW/cm² Evaluation: Considering that satellite antenna beams are aimed skyward, power density in the far field will usually not be a problem except at low look angles. In these cases, off axis gain reduction techniques may be used to further reduce the power density levels. 8 Off-Axis Power Density Levels at the Near Field and Transitional Regions According to Bulletin 65, off-axis calculations in the near field may be performed as follows: assuming that the point of interest is at least one antenna diameter removed from the center of the main beam, the power density at that point is at least a factor of 100 (20 dB) less than the value calculated for the near field main beam power density. This may be calculated as follows: PDnf(off-axis) = PDnf/100 = 0.0158 mW/cm² 9 Region Between the Feed Horn and Reflector/Sub-Reflector Transmissions from the feed horn are directed toward the main reflector or the sub-reflector depending on the type of antenna (prime focus, Gregorian or Cassegrain). The transmission is confined within a conical shape defined by the feed horn. The energy between the feedhorn and the reflector/sub-reflector is assumed to be in excess of any limit for permissible exposure. This region is not accessible to the general public, and operators and technicians should be suitable trained and procedures in place to preclude access to this region during active transmission.

10 Evaluation of Safe Occupancy Area in Front of the Antenna The distance (L) from a vertical axis passing through the dish center to a safe off-axis point in front of the antenna can be determined based on the dish diameter. Assuming a flat terrain and a point on the horizontal plane with the center point of the antenna, the relationship is determined by the following formula: L = (D/sin a) + (2h - D - 2)/(2 tan a) Where: a = minimum elevation angle of antenna D = Dish diameter in meters h = Maximum height of object to be cleared, meters For distances equal to or greater than determined by the equation above, the radiation hazard will be below safe levels For: D= 6.1 meters h= 3 meters Safe distance for the following elevation angles (a): a - Elevation Angle (degrees) L - Safe Distance 10 29.17 meters 15 19.65 meters 20 14.95 meters 25 12.18 meters 30 10.38 meters 40 8.24 meters 50 7.08 meters 11 Mitigation Analysis Mitigation of accessibility to hazardous regions may take several forms depending on the antenna application and location. In instances such as mobile applications, the antenna may be located such that the hazardous region is not accessible during operation. An example may be in a mobile configuration where the antenna is located on top of a vehicle during operation. In other fixed installation instances the hazardous area may be fenced off to prevent access. In areas where only operators and technicians have access, training in safeguards and proper markings of hazardous areas may be sufficient. This analysis tool is designed to identify the hazardous exposure regions around an operating antenna system in accordance with the defined power density limits in CFR 47, part 1.1310 and OET bulletin 65.

FREQUENCY COORDINATION AND INTERFERENCE ANALYSIS REPORT Prepared for Clear Channel Satellite Services ENGLEWOOD, CO (6.1 Meter) Satellite Earth Station Prepared By: COMSEARCH 19700 Janelia Farm Boulevard Ashburn, VA 20147 October 10, 2011

TABLE OF CONTENTS 1. CONCLUSIONS ............................................................................................................................................ 3 2. SUMMARY OF RESULTS ............................................................................................................................ 4 3. SUPPLEMENTAL SHOWING....................................................................................................................... 5 4. EARTH STATION COORDINATION DATA.................................................................................................. 6 5. CERTIFICATION......................................................................................................................................... 10 Frequency Coordination and Interference Analysis Report 10/10/2011 Page 2 of 10

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 10/10/2011 Page 3 of 10

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. The following companies reported potential great circle interference 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 New Cingular Wireless PCS LLC -Colorado State of Colorado Tri State Generation & Transmission Great Western Communications, LLC No other carriers reported potential interference cases. Frequency Coordination and Interference Analysis Report 10/10/2011 Page 4 of 10

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 09/08/2011. Company AT&T COMMUNICATIONS OF MOUNTAIN STATES AT&T CORP Adcom 911 AirLife Denver BASIN ELECTRIC POWER COOPERATIVE BNSF Railway Company Boulder, County of CBS Communications Services CBS Television Stations City of Colorado Springs Colorado Interstate Gas Company Colorado Springs Utilities ENTRAVISION HOLDINGS, LLC FONES WEST DIGITAL SYSTEMS INC. Gray Television Licensee, Inc. (KKTV) Great Western Communications, LLC Intermountain Rural Electric Association International Communications Group, Inc. Larimer County Sheriff's Department METROPOLITAN AREA NETWORKS, INC. MHO Networks Multimedia Holdings Corporation NE Colorado Cellular, Inc. New Cingular Wireless PCS LLC -Colorado Open Range Communications Platte River Power Authority QWEST CORPORATION SANGRE DE CRISTO COMMUNICATIONS, INC. Sprint Communications Company, LP State of Colorado Tri State Generation & Transmission UNITED POWER Verizon Wireless - Mountain Region XCEL ENERGY SERVICES INC Frequency Coordination and Interference Analysis Report 10/10/2011 Page 5 of 10

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 10/10/2011 Page 6 of 10

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5500 http://www.comsearch.com Date: 10/10/2011 Job Number: 110908COMSGE02 Administrative Information Status ENGINEER PROPOSAL Call Sign Licensee Code CLCSAT Licensee Name Clear Channel Satellite Services Site Information ENGLEWOOD, CO Venue Name Latitude (NAD 83) 39° 34' 47.0" N Longitude (NAD 83) 104° 51' 35.0" W Climate Zone A Rain Zone 2 Ground Elevation (AMSL) 1751.0 m / 5744.8 ft Link Information Satellite Type Geostationary Mode TR - Transmit-Receive Modulation Digital Satellite Arc 60° W to 143° West Longitude Azimuth Range 122.6° to 230.9° Corresponding Elevation Angles 25.3° / 29.8° Antenna Centerline (AGL) 3.66 m / 12.0 ft Antenna Information Receive - FCC32 Transmit - FCC32 Manufacturer ViaSat ViaSat Model 8060 8060 Gain / Diameter 46.0 dBi / 6.1 m 49.8 dBi / 6.1 m 3-dB / 15-dB Beamwidth 0.85° / 1.70° 0.56° / 1.20° Max Available RF Power (dBW/4 kHz) -15.8 (dBW/MHz) 8.2 Maximum EIRP (dBW/4 kHz) 34.0 (dBW/MHz) 58.0 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 6.1 GHz Emission / Frequency Range (MHz) 11M1G1E - 22M5G7W / 3700.0 - 4200.0 11M1G1E - 22M5G7W / 5925.0 - 6425.0 Max Great Circle Coordination Distance 285.3 km / 177.2 mi 128.0 km / 79.5 mi Precipitation Scatter Contour Radius 495.1 km / 307.6 mi 100.0 km / 62.1 mi Frequency Coordination and Interference Analysis Report 10/10/2011 Page 7 of 10

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5500 http://www.comsearch.com Coordination Values ENGLEWOOD, CO Licensee Name Clear Channel Satellite Services Latitude (NAD 83) 39° 34' 47.0" N Longitude (NAD 83) 104° 51' 35.0" W Ground Elevation (AMSL) 1751.0 m / 5744.8 ft Antenna Centerline (AGL) 3.66 m / 12.0 ft Antenna Model ViaSat 6.1 Meter Antenna Mode Receive 4.0 GHz Transmit 6.1 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 dBW/4 kHz 0.0025% Max Available RF Power -15.8 (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) 0 0.00 119.19 -10.00 285.28 -10.00 128.03 5 0.00 114.80 -10.00 285.28 -10.00 128.03 10 0.00 110.37 -10.00 285.28 -10.00 128.03 15 0.00 105.90 -10.00 285.28 -10.00 128.03 20 0.00 101.41 -10.00 285.28 -10.00 128.03 25 0.00 96.90 -10.00 285.28 -10.00 128.03 30 0.00 92.38 -10.00 285.28 -10.00 128.03 35 0.00 87.86 -10.00 285.28 -10.00 128.03 40 0.00 83.34 -10.00 285.28 -10.00 128.03 45 0.42 78.79 -10.00 258.37 -10.00 110.02 50 1.21 74.18 -10.00 213.95 -10.00 100.00 55 1.55 69.61 -10.00 204.40 -10.00 100.00 60 1.67 65.08 -10.00 203.52 -10.00 100.00 65 1.94 60.55 -10.00 196.21 -10.00 100.00 70 1.99 56.11 -10.00 194.74 -10.00 100.00 75 2.06 51.73 -10.00 193.17 -10.00 100.00 80 2.07 47.44 -9.90 193.31 -9.90 100.00 85 2.01 43.31 -8.92 199.44 -8.92 100.00 90 1.96 39.33 -7.87 205.46 -7.87 100.00 95 2.07 35.47 -6.75 205.67 -6.75 100.00 100 2.25 31.83 -5.57 207.28 -5.57 100.00 105 1.94 28.93 -4.53 220.14 -4.53 100.00 110 1.96 26.33 -3.51 225.03 -3.51 100.00 115 2.02 24.39 -2.68 228.16 -2.68 100.00 120 1.96 23.43 -2.25 232.50 -2.25 100.00 125 2.18 23.19 -2.13 227.21 -2.13 100.00 130 1.90 24.43 -2.70 231.71 -2.70 100.00 135 1.71 26.43 -3.55 232.70 -3.55 100.00 140 1.40 29.20 -4.64 236.52 -4.64 100.00 145 1.44 32.03 -5.64 229.48 -5.64 100.00 150 1.39 34.70 -6.51 226.35 -6.51 100.00 155 1.31 37.11 -7.24 224.81 -7.24 100.00 160 1.05 39.35 -7.87 229.83 -7.87 100.00 165 0.84 41.17 -8.36 238.01 -8.36 100.00 170 0.99 42.22 -8.64 227.75 -8.64 100.00 175 1.09 42.86 -8.80 223.51 -8.80 100.00 180 0.95 43.24 -8.90 228.50 -8.90 100.00 185 0.94 43.01 -8.84 229.45 -8.84 100.00 Frequency Coordination and Interference Analysis Report 10/10/2011 Page 8 of 10

COMSEARCH Earth Station Data Sheet 19700 Janelia Farm Boulevard, Ashburn, VA 20147 (703)726-5500 http://www.comsearch.com Coordination Values ENGLEWOOD, CO Licensee Name Clear Channel Satellite Services Latitude (NAD 83) 39° 34' 47.0" N Longitude (NAD 83) 104° 51' 35.0" W Ground Elevation (AMSL) 1751.0 m / 5744.8 ft Antenna Centerline (AGL) 3.66 m / 12.0 ft Antenna Model ViaSat 6.1 Meter Antenna Mode Receive 4.0 GHz Transmit 6.1 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 dBW/4 kHz 0.0025% Max Available RF Power -15.8 (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 1.28 41.94 -8.57 218.80 -8.57 100.00 195 1.34 40.70 -8.24 218.66 -8.24 100.00 200 1.33 39.09 -7.80 221.27 -7.80 100.00 205 1.40 37.03 -7.21 222.15 -7.21 100.00 210 1.53 34.59 -6.47 222.11 -6.47 100.00 215 1.67 31.98 -5.62 222.32 -5.62 100.00 220 1.69 29.98 -4.92 225.68 -4.92 100.00 225 1.70 28.65 -4.43 228.08 -4.43 100.00 230 1.56 28.23 -4.27 233.54 -4.27 100.00 235 1.55 28.49 -4.37 233.10 -4.37 100.00 240 1.67 29.42 -4.71 227.45 -4.71 100.00 245 1.75 31.10 -5.32 221.64 -5.32 100.00 250 1.68 33.51 -6.13 219.46 -6.13 100.00 255 1.57 36.41 -7.03 217.84 -7.03 100.00 260 1.60 39.60 -7.94 212.49 -7.94 100.00 265 1.57 43.10 -8.86 208.85 -8.86 100.00 270 1.55 46.83 -9.76 205.46 -9.76 100.00 275 1.23 50.85 -10.00 213.18 -10.00 100.00 280 1.15 54.89 -10.00 215.78 -10.00 100.00 285 1.18 58.98 -10.00 214.68 -10.00 100.00 290 1.24 63.15 -10.00 213.07 -10.00 100.00 295 1.14 67.42 -10.00 215.90 -10.00 100.00 300 1.05 71.73 -10.00 218.61 -10.00 100.00 305 1.03 76.07 -10.00 219.45 -10.00 100.00 310 0.90 80.43 -10.00 225.75 -10.00 100.00 315 0.76 84.81 -10.00 233.83 -10.00 100.00 320 0.65 89.18 -10.00 240.32 -10.00 100.00 325 0.51 93.54 -10.00 249.29 -10.00 103.74 330 0.22 97.87 -10.00 283.21 -10.00 126.69 335 0.29 102.21 -10.00 273.48 -10.00 120.28 340 0.00 106.47 -10.00 285.28 -10.00 128.03 345 0.00 110.72 -10.00 285.28 -10.00 128.03 350 0.00 114.94 -10.00 285.28 -10.00 128.03 355 0.00 119.09 -10.00 285.28 -10.00 128.03 Frequency Coordination and Interference Analysis Report 10/10/2011 Page 9 of 10

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: October 10, 2011 Frequency Coordination and Interference Analysis Report 10/10/2011 Page 10 of 10


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