Attachment Radiation Hazard Ana

This document pretains to SES-LIC-20091203-01532 for License on a Satellite Earth Station filing.

IBFS_SESLIC2009120301532_694058

EXHIBIT 1 Radiation Hazard Analysis A radiation hazard analysis has been performed in accordance with FCC document OET Bulletin 65, Edition 97-01, August 1997. The calculations are based on recommendations within the document, specifically: Surface Density Equation 11 Near Field Distance Equation 12 Near Field Density Equation 13 Far Field Distance Equation 16 Transition Density Equation 17 Far Field Density Equation 18 Table 1 summarizes the calculations: Table 1 Radiation Hazard Analysis HUB Mobilel Mobile2 Fixed Trailer Antenna Diameter 4.50 1.20 1.20 1.20 2.40 Meters SSPA Power 40.00 16.00 8.00 8.00 25.00 Watts Feed Loss 2.00 1.00 1.00 1.00 1.00 db Antenna Effencicy 70.00 70.00 70.00 70.00 70.00 % Antenna Gain 53.60 43.20 43.20 43.20 49.20 dbi Frequency 14250.00 14250.00 14250.00 14250.00 14250.00 Mhz Feed Power 25238.29 12709.25 6354.63 6354.63 19858.21 mW Ant Area 159043.13 11309.73 11309.73 11309.73 45238.93 cm”2 Wavelength 0.021 0.021 0.021 0.021 0.021 Meters Near Field Distance 240.47 17.10 17.10 17.10 68.40 Meters Far Field Distance 577.13 41.04 41.04 41.04 164.16 Meters Surface Density 0.63 4.49 2.25 2.25 1.76 mW/cmA2 Near Field Density 0.44 3.15 1.57 1.57 1.23 mW/cmA2 Transition Density (mid pt) 0.26 1.85 0.93 0.93 0.72 mW/cmA2 Far Field Density 0.14 1.25 0.63 0.63 0.49 mW/cmA2 Table 5 of OET Bulletin 65 cites 5 mW/cm’2 as the safe limit of RF exposure, at the frequency of interest, in a controlled area. All calculations indicate densities below this level. All antennas are located in “controller areas”. Mobile 1 and 2 antennas are on vehicle roof tops and Fixed, Trailer, and Hub antennas are located on property with restricted access.


Document Created: 2019-04-15 18:27:26
Document Modified: 2019-04-15 18:27:26
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