Attachment Exhibit C

This document pretains to SES-LIC-20150625-00383 for License on a Satellite Earth Station filing.

IBFS_SESLIC2015062500383_1093437

ISAT US Inc. FCC Form 312 Exhibit C Radiation Hazard Analysis 1.0 Introduction This Exhibit analyzes the non-ionizing radiation levels for the earth stations included in this application. The analysis and calculations performed in this Exhibit comply 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. Bulletin No. 65 and the FCC R&O 96-326 specifies two Maximum Permissible Exposure (MPE) limits that are dependent on the situation in which the exposure takes place and/or the status of the individuals who are subject to the exposure. These are described below: • General Population/Uncontrolled environment MPE limit is 1 mW/cm2. The General Population / Uncontrolled MPE is a function of transmit frequency and is for an exposure period of thirty minutes or less. • Occupational/Controlled environment MPE limit is 5 mW/cm2. The Occupational MPE is a function of transmit frequency and is for an exposure period of six minutes or less. The analysis determined the power flux density levels of the earth station in the 1) far-field, 2) near- field, 3) transition region, 4) region between the feed and main reflector surface, 5) at the main reflector surface, and 6) between the antenna edge and the ground. The summary of results and discussion is provided in Section 2 and the detailed analyses are provided in Section 3. Section 2.0 – Summary of Results The terminals proposed in this application are for commercial and government uses and intended to be operated by professional personnel. The analysis of the non-ionizing radiation levels provided in Section 3 assumed the maximum allowed input power to antenna of 5W and a 100% duty cycle resulting in worst case radiation levels. In a significant number of deployments the terminals duty cycle would be below 100% and the actual power required would be lower than the 5W maximum resulting in lower radiation levels than those calculated. As with any directional antenna the maximum level of non-ionizing radiation is in the main beam of the antenna that is pointed to the satellite. As one moves around the antenna to the side lobes and back lobes the radiation levels decrease significantly. Thus, the maximum radiation level from an antenna occurs in a limited area in the direction the antenna is pointed to. The terminals proposed in this application are designed to cease transmitting if the receive signal from the satellite is blocked, which could be caused by a person standing in front of the terminal or from other blockage. If the receive signal is blocked, the transmitter is shut down and will not resume operating until the signal from the satellite is reacquired. This operational feature of the terminal minimizes the potential for human radiation exposure. The terminals will be turned off prior to any maintenance being conducted when a person may need to be in close proximity to the feed flange and main reflector. The Tables below summarize the result for each antenna terminal type. As shown all but the two smaller antenna terminals meet the controlled environment limit of ≤ 5 mW/cm2 except at the feed flange. For the two smaller antennas the level is also exceeded at the main reflector. In a controlled environment technicians are trained and procedures are put in place to ensure that a safe distance is maintained from the antenna while in operation. These procedures can include fencing around the

terminal, limits on the operation of the terminal, warning signs and other means of alerting workers, as appropriate, for the specific deployment scenario. The terminals when operating with maximum input power and a 100% duty cycle vary in meeting the uncontrolled environment limit of ≤ 1 mW/cm2. For the 1.8 m antenna the limit is met except at the feed flange, however for most of the other antennas the level is exceeded except in the far field. As described above the maximum radiation levels occur in a limited area in the direction the antenna is pointed to and the automatic shut off capability of the terminal when the satellite receive signal is blocked will reduce potential human exposure. In addition, the terminals proposed in this application are for commercial and government use and, given the price points, are not intended to be used by consumers or widely deployed for use by the general public. Personnel operating these terminals will be trained in how to operate the terminal safely. Furthermore, the manuals for these terminals will explicitly indicate that precautions, such has not standing in front of the terminal, that are necessary to limit potential exposure. The terminals will also clearly be marked to ensure that the terminal operator and the general public are aware of the potential radiation exposure and the need to avoid physical proximity to the terminal. It is noted that the highest radiation levels are at the feed flange and main reflector. The feed flange is a very small area of the terminal antenna and it is extremely unlikely that a person would be near the feed flange or the main reflector while the terminal is in operation. Any blockage of the signal from the satellite in these areas would cause the terminal to cease transmitting until the blockage is removed and the signal from the satellite is reacquired. Cobham 3075 & 5075 Limit Controlled Environment Limit Calculated Power Distance ≤ 5 mW/cm2 Uncontrolled Region Density (m) Environment (mW/cm2) ≤ 1 mW/cm2 Near Field 13.7 2.3 Meets Limit Exceeds Limit Far Field 32.9 1.0 Meets Limit Meets Limit Transition Region 2.3 Meets Limit Exceeds Limit 13.7 Feed Flange NA 1370.9 Exceeds Limit Exceeds Limit Main Reflector NA 4.7 Meets Limit Exceeds Limit Cobham 7100 Limit Controlled Environment Limit Calculated Power Distance ≤ 5 mW/cm2 Uncontrolled Region Density (m) Environment (mW/cm2) ≤ 1 mW/cm2 Near Field 25.0 1.6 Meets Limit Exceeds Limit Far Field 60.0 0.7 Meets Limit Meets Limit Transition Region 1.6 Meets Limit Exceeds Limit 25.0 Feed Flange NA 698.0 Exceeds Limit Exceeds Limit Main Reflector NA 2.5 Meets Limit Exceeds Limit L3 Cheetah II Limit Controlled Environmen Limit Calculated Power Distance ≤ 5 mW/cm2 Uncontrolled Region Density (m) Environment (mW/cm2) ≤ 1 mW/cm2

Near Field 18.1 2.4 Meets Limit Exceeds Limit Far Field 43.4 1.0 Meets Limit Meets Limit Transition Region 18.1 2.4 Meets Limit Exceeds Limit Feed Flange NA 873.3 Exceeds Limit Exceeds Limit Main Reflector NA 3.5 Meets Limit Exceeds Limit L3 Hawkeye III Lite Limit Controlled Environment Limit Calculated Power Distance ≤ 5 mW/cm2 Uncontrolled Region Density (m) Environment (mW/cm2) ≤ 1 mW/cm2 Near Field 36.0 1.1 Meets Limit Exceeds Limit Far Field 86.4 0.5 Meets Limit Meets Limit Transition Region 36.0 1.1 Meets Limit Exceeds Limit Feed Flange NA 873.3 Exceeds Limit Exceeds Limit Main Reflector NA 1.8 Meets Limit Exceeds Limit Paradigm/SWT Connect 70 Limit Controlled Environment Limit Calculated Power Distance ≤ 5 mW/cm2 Uncontrolled Region Density (m) Environment (mW/cm2) ≤ 1 mW/cm2 Near Field 12.1 3.3 Meets Limit Exceeds Limit Far Field 29.0 1.4 Meets Limit Exceeds Limit Transition Region 12.1 3.3 Meets Limit Exceeds Limit Feed Flange NA 679.9 Exceeds Limit Exceeds Limit Main Reflector NA 5.3 Exceeds Limit Exceeds Limit SWT ATOM 65/GX/01 ATOM 65AAGX/01 Limit Controlled Environment Limit Calculated Power Distance ≤ 5 mW/cm2 Uncontrolled Region Density (m) Environment (mW/cm2) ≤ 1 mW/cm2 Near Field 10.6 2.8 Meets Limit Exceeds Limit Far Field 25.4 1.2 Meets Limit Exceeds Limit Transition Region 10.6 2.8 Meets Limit Exceeds Limit Feed Flange NA 1471.5 Exceeds Limit Exceeds Limit Main Reflector NA 6.0 Exceeds Limit Exceeds Limit Paradigm/SWT Connect 100, 100T, Sky 98 Limit Controlled Environment Limit Calculated Power Distance ≤ 5 mW/cm2 Uncontrolled Region Density (m) Environment (mW/cm2) ≤ 1 mW/cm2

Near Field 21.8 1.5 Meets Limit Exceeds Limit Far Field 52.3 0.6 Meets Limit Meets Limit Transition Region 21.8 1.5 Meets Limit Exceeds Limit Feed Flange NA 679.9 Exceeds Limit Exceeds Limit Main Reflector NA 2.9 Meets Limit Exceeds Limit Paradigm/SWT Connect 180, Sky 180GX/01 Limit Controlled Environment Limit Calculated Power Distance ≤ 5 mW/cm2 Uncontrolled Region Density (m) Environment (mW/cm2) ≤ 1 mW/cm2 Near Field 81.0 0.5 Meets Limit Meets Limit Far Field 194.4 0.2 Meets Limit Meets Limit Transition Region 81.0 0.5 Meets Limit Meets Limit Feed Flange NA 1327.4 Exceeds Limit Exceeds Limit Main Reflector NA 0.8 Meets Limit Meets Limit

Section 3.0 – Detailed calculations 3.1 Cobham 3075/5075 "Input Parameters" Table from page 51 Input Parameter Value Units Symbol Antenna Diameter 0.74 m D Antenna Transmit Gain 44.2 dBi G Transmit Frequency 30000 MHz f Antenna Feed Flange Diameter 4.31 cm d Power Input to the Antenna 5 Watts P "Calculated Parameters" table from page 52 Calculated Parameter Value Units Symbol Formula Antenna Surface Area 0.4301 m² A πD²/4 Area of Antenna Flange 14.5892 cm² a πd²/4 Antenna Efficiency 0.4867 real η gλ²/(π²D²) Gain Factor 26302.6799 real g 10^(G/10) Wavelength 0.0100 m λ 300/f "Antenna Field Definitions" table from page 54 Calculated Parameter Value Units Symbol Formula Near-Field Distance 13.69 m Rnf D²/(4λ) Distance to Far-Field 32.856 m Rff 0.6D²/λ Distance of Transition Range 13.69 m Rt Rt=Rnf Power Flux Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density in the Near Field 2.2634 mW/cm² Snf 16ηP/(πD²) Power Density in the Far Field 0.9695 mW/cm² Sff gP/(4πRff²) Power Density in the Transition Region 2.2634 mW/cm² St Snf*Rnf/Rt Flange Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density at the Feed Flange 1370.8767 mW/cm² Sfa 4P/a Main Reflector Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density at Main Reflector 4.6504 mW/cm² Ssurface 4P/A Main Reflector Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density between Reflector and Ground 1.1626 mW/cm² Sg P/A

3.2 Cobham 7100 "Input Parameters" Table from page 51 Input Parameter Value Units Symbol Antenna Diameter 1 m D Antenna Transmit Gain 47.9 dBi G Transmit Frequency 30000 MHz f Antenna Feed Flange Diameter 6.04 cm d Power Input to the Antenna 5 Watts P "Calculated Parameters" table from page 52 Calculated Parameter Value Units Symbol Formula Antenna Surface Area 0.7854 m² A πD²/4 Area of Antenna Flange 28.6517 cm² a πd²/4 Antenna Efficiency 0.6248 real η gλ²/(π²D²) Gain Factor 61659.5002 real g 10^(G/10) Wavelength 0.0100 m λ 300/f "Antenna Field Definitions" table from page 54 Calculated Parameter Value Units Symbol Formula Near-Field Distance 25.0 m Rnf D²/(4λ) Distance to Far-Field 60.0 m Rff 0.6D²/λ Distance of Transition Range 25.0 m Rt Rt=Rnf Power Flux Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density in the Near Field 1.5910 mW/cm² Snf 16ηP/(πD²) Power Density in the Far Field 0.6815 mW/cm² Sff gP/(4πRff²) Power Density in the Transition Region 1.5910 mW/cm² St Snf*Rnf/Rt Flange Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density at the Feed Flange 698.0380 mW/cm² Sfa 4P/a Main Reflector Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density at Main Reflector 2.5466 mW/cm² Ssurface 4P/A Main Reflector Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density between Reflector and Ground 0.6366 mW/cm² Sg P/A

3.3 L3 Cheetah II "Input Parameters" Table from page 51 Input Parameter Value Units Symbol Antenna Diameter 0.85 m D Antenna Transmit Gain 46.8 dBi G Transmit Frequency 30000 MHz f Antenna Feed Flange Diameter 5.4 cm d Power Input to the Antenna 5 Watts P "Calculated Parameters" table from page 52 Calculated Parameter Value Units Symbol Formula Antenna Surface Area 0.5674 m² A πD²/4 Area of Antenna Flange 22.9015 cm² a πd²/4 Antenna Efficiency 0.6713 real η gλ²/(π²D²) Gain Factor 47863.0092 real g 10^(G/10) Wavelength 0.0100 m λ 300/f "Antenna Field Definitions" table from page 54 Calculated Parameter Value Units Symbol Formula Near-Field Distance 18.0625 m Rnf D²/(4λ) Distance to Far-Field 43.35 m Rff 0.6D²/λ Distance of Transition Range 18.0625 m Rt Rt=Rnf Power Flux Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density in the Near Field 2.3659 mW/cm² Snf 16ηP/(πD²) Power Density in the Far Field 1.0134 mW/cm² Sff gP/(4πRff²) Power Density in the Transition Region 2.3659 mW/cm² St Snf*Rnf/Rt Flange Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density at the Feed Flange 873.3039 mW/cm² Sfa 4P/a Main Reflector Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density at Main Reflector 3.5246 mW/cm² Ssurface 4P/A Main Reflector Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density between Reflector and Ground 0.8812 mW/cm² Sg P/A

3.4 L3 Hawkeye III "Input Parameters" Table from page 51 Input Parameter Value Units Symbol Antenna Diameter 1.2 m D Antenna Transmit Gain 49.4 dBi G Transmit Frequency 30000 MHz f Antenna Feed Flange Diameter 5.4 cm d Power Input to the Antenna 5 Watts P "Calculated Parameters" table from page 52 Calculated Parameter Value Units Symbol Formula Antenna Surface Area 1.1309 m² A πD²/4 Area of Antenna Flange 22.9015 cm² a πd²/4 Antenna Efficiency 0.6129 real η gλ²/(π²D²) Gain Factor 87096.359 real g 10^(G/10) Wavelength 0.0100 m λ 300/f "Antenna Field Definitions" table from page 54 Calculated Parameter Value Units Symbol Formula Near-Field Distance 36 m Rnf D²/(4λ) Distance to Far-Field 86.4 m Rff 0.6D²/λ Distance of Transition Range 36 m Rt Rt=Rnf Power Flux Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density in the Near Field 1.0838 mW/cm² Snf 16ηP/(πD²) Power Density in the Far Field 0.4642 mW/cm² Sff gP/(4πRff²) Power Density in the Transition Region 1.0838 mW/cm² St Snf*Rnf/Rt Flange Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density at the Feed Flange 873.3039 mW/cm² Sfa 4P/a Main Reflector Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density at Main Reflector 1.7684 mW/cm² Ssurface 4P/A Main Reflector Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density between Reflector and Ground 0.4421 mW/cm² Sg P/A

3.5 Paradigm/SWT Connect 70 "Input Parameters" Table from page 51 Input Parameter Value Units Symbol Antenna Diameter 0.695 m D Antenna Transmit Gain 44.8 dBi G Transmit Frequency 30000 MHz f Antenna Feed Flange Diameter 6.12 cm d Power Input to the Antenna 5 Watts P "Calculated Parameters" table from page 52 Calculated Parameter Value Units Symbol Formula Antenna Surface Area 0.3794 m² A πD²/4 Area of Antenna Flange 29.4157 cm² a πd²/4 Antenna Efficiency 0.6335 real η gλ²/(π²D²) Gain Factor 30199.5172 real g 10^(G/10) Wavelength 0.0100 m λ 300/f "Antenna Field Definitions" table from page 54 Calculated Parameter Value Units Symbol Formula Near-Field Distance 12.075625 m Rnf D²/(4λ) Distance to Far-Field 28.9815 m Rff 0.6D²/λ Distance of Transition Range 12.075625 m Rt Rt=Rnf Power Flux Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density in the Near Field 3.3399 mW/cm² Snf 16ηP/(πD²) Power Density in the Far Field 1.4306 mW/cm² Sff gP/(4πRff²) Power Density in the Transition Region 3.3399 mW/cm² St Snf*Rnf/Rt Flange Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density at the Feed Flange 679.9079 mW/cm² Sfa 4P/a Main Reflector Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density at Main Reflector 5.2721 mW/cm² Ssurface 4P/A Main Reflector Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density between Reflector and Ground 1.3180 mW/cm² Sg P/A

3.6 SWT ATOM 65/GX/01 ATOM 65AAGX/01 "Input Parameters" Table from page 51 Input Parameter Value Units Symbol Antenna Diameter 0.65 m D Antenna Transmit Gain 42.8 dBi G Transmit Frequency 30000 MHz f Antenna Feed Flange Diameter 4.16 cm d Power Input to the Antenna 5 Watts P "Calculated Parameters" table from page 52 Calculated Parameter Value Units Symbol Formula Antenna Surface Area 0.3318 m² A πD²/4 Area of Antenna Flange 13.5914 cm² a πd²/4 Antenna Efficiency 0.4570 real η gλ²/(π²D²) Gain Factor 19054.6072 real g 10^(G/10) Wavelength 0.0100 m λ 300/f "Antenna Field Definitions" table from page 54 Calculated Parameter Value Units Symbol Formula Near-Field Distance 10.5625 m Rnf D²/(4λ) Distance to Far-Field 25.35 m Rff 0.6D²/λ Distance of Transition Range 10.5625 m Rt Rt=Rnf Power Flux Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density in the Near Field 2.7544 mW/cm² Snf 16ηP/(πD²) Power Density in the Far Field 1.1798 mW/cm² Sff gP/(4πRff²) Power Density in the Transition Region 2.7544 mW/cm² St Snf*Rnf/Rt Flange Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density at the Feed Flange 1471.5203 mW/cm² Sfa 4P/a Main Reflector Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density at Main Reflector 6.0273 mW/cm² Ssurface 4P/A Main Reflector Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density between Reflector and Ground 1.5068 mW/cm² Sg P/A

3.7 Paradigm/SWT Connect 100, 100T, Sky 98 "Input Parameters" Table from page 51 Input Parameter Value Units Symbol Antenna Diameter 0.934 m D Antenna Transmit Gain 46.5 dBi G Transmit Frequency 30000 MHz f Antenna Feed Flange Diameter 6.12 cm d Power Input to the Antenna 5 Watts P "Calculated Parameters" table from page 52 Calculated Parameter Value Units Symbol Formula Antenna Surface Area 0.6851 m² A πD²/4 Area of Antenna Flange 29.4157 cm² a πd²/4 Antenna Efficiency 0.5188 real η gλ²/(π²D²) Gain Factor 44668.3592 real g 10^(G/10) Wavelength 0.0100 m λ 300/f "Antenna Field Definitions" table from page 54 Calculated Parameter Value Units Symbol Formula Near-Field Distance 21.8089 m Rnf D²/(4λ) Distance to Far-Field 52.34136 m Rff 0.6D²/λ Distance of Transition Range 21.8089 m Rt Rt=Rnf Power Flux Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density in the Near Field 1.5146 mW/cm² Snf 16ηP/(πD²) Power Density in the Far Field 0.6488 mW/cm² Sff gP/(4πRff²) Power Density in the Transition Region 1.5146 mW/cm² St Snf*Rnf/Rt Flange Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density at the Feed Flange 679.9079 mW/cm² Sfa 4P/a Main Reflector Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density at Main Reflector 2.9192 mW/cm² Ssurface 4P/A Main Reflector Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density between Reflector and Ground 0.7298 mW/cm² Sg P/A

3.8 Paradigm/SWT Connect 180, Sky 180 "Input Parameters" Table from page 51 Input Parameter Value Units Symbol Antenna Diameter 1.8 m D Antenna Transmit Gain 52.4 dBi G Transmit Frequency 30000 MHz f Antenna Feed Flange Diameter 4.38 cm d Power Input to the Antenna 5 Watts P "Calculated Parameters" table from page 52 Calculated Parameter Value Units Symbol Formula Antenna Surface Area 2.5446 m² A πD²/4 Area of Antenna Flange 15.0669 cm² a πd²/4 Antenna Efficiency 0.5435 real η gλ²/(π²D²) Gain Factor 173780.0829 real g 10^(G/10) Wavelength 0.0100 m λ 300/f "Antenna Field Definitions" table from page 54 Calculated Parameter Value Units Symbol Formula Near-Field Distance 81 m Rnf D²/(4λ) Distance to Far-Field 194.4 m Rff 0.6D²/λ Distance of Transition Range 81 m Rt Rt=Rnf Power Flux Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density in the Near Field 0.4272 mW/cm² Snf 16ηP/(πD²) Power Density in the Far Field 0.1830 mW/cm² Sff gP/(4πRff²) Power Density in the Transition Region 0.4272 mW/cm² St Snf*Rnf/Rt Flange Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density at the Feed Flange 1327.4088 mW/cm² Sfa 4P/a Main Reflector Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density at Main Reflector 0.7860 mW/cm² Ssurface 4P/A Main Reflector Power Density table from page 54 Calculated Parameter Value Units Symbol Formula Power Density between Reflector and Ground 0.1965 mW/cm² Sg P/A


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Document Modified: 2015-06-22 16:54:19
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