Attachment San Juan Rad Haz

This document pretains to SES-LIC-20071029-01471 for License on a Satellite Earth Station filing.

IBFS_SESLIC2007102901471_601009

Radiation Hazard Analysis San Juan (ZSU) Studies were conducted to predict radiation levels around the proposed earth station. The level of RF radiation calculated below has been compared to the maximum safe level of 5 mW/cm2 as defined by OET Bulletin No.65 (August 1997). Antenna main beam gain (G) = 46.5 dBi Power into feed (P) = 0.12 Watts Antenna diameter (D) = 4.5 meters Wavelength (λ) = 0.04853 meters Frequency (f) = 6 GHz Efficiency (η) = 0.75 % Distance of Feed from (d) = 4.25 meters Ground Region Radiation Level Hazard Assessment (mW/cm2) Far-Field 0.001 Complies with Guidelines Near-Field 0.002 Complies with Guidelines Transition Region < 0.00 Complies with Guidelines Between sub and Main * See Note 1 Reflector Reflector Surface 0.001 Complies with Guidelines Between antenna and 0.00001 Complies with Guidelines ground Note 1 . Antenna has apex feed, no sub-reflector. Feed directs RF energy at main reflector surface. Conclusion: Based on the prior analysis it is concluded that all levels of radiation within the areas 2 occupied by the public and earth station personnel are below FCC guidelines of 5 mW/cm . To further minimize the possibility of RF exposure to the public the earth station is secured within a fenced in area that is security controlled with limited access. Additionally the transmitter will be shut down whenever maintenance personnel are within the secured area.


Document Created: 2007-10-31 11:00:38
Document Modified: 2007-10-31 11:00:38
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