Attachment Attachment D

This document pretains to SES-AMD-20190221-00308 for Amended Filing on a Satellite Earth Station filing.

IBFS_SESAMD2019022100308_1627781

RADIATION HAZARD CALCULATIONS FOF 10.0 meter EARTH STATION Nomenclature Formula Value Unit INPUT PARAMETERS D = Antenna Diameter 10.00 meters d = Diameter of Feed Mouth 0.029 meters P = Max Power into Antenna 200 Watts n = Apperture Effeciency 49% k =Wavelength@ 29.1GHz 0.0103 meters CALCULATED VALUES A = Area of Reflector PI*DA2J4 78.540 metersA2 I= Length of Near Field DA2J4k 2425 meters L = Beginning of Far Field 0.6DA2Jk 5820 meters G = Antenna Gain @ 28.6 GHz n(PI*D/k)A2 4,550,899 66.6 dBi a= Area of Feed Mouth Pl*dA2J4 0.0007 metersA2 POWER DENSITY CALCULATIONS Maximum Power Density in Region Region Hazard Assessment Formula Value (mW/cmA2) (FCC MPE Limit= 5 mW/cmA2) 1 Near Field 4nP/A 0.50 < FCC MPE Limit 2 Far Field GP/(4(PI)LA2) 0.21 < FCC MPE Limit 3 Transition <= Nr Fld Region 0.50 < FCC MPE Limit 4 Near Reflector Surface 4P/A 1.02 < FCC MPE Limit 5 Between Reflector & Ground PIA 0.25 < FCC MPE Limit 6 Between Subreflector and 4P/a 121116.7 >FCC MPE Limit Feed 1

RADIATION HAZARD CALCULATIONS FOR 10.0 meter EARtH STATION Nomenclature Formula Value Unit INPUT PARAMETERS 0 • Antenna Diameter 10.00 meters d • Diameter of Feed Mouth 0.029 meters P ,. Max Power into Antenna 200 Watts n = Apperture Effeciency 49% k,. Wavelength @ 51.4 GHz 0.0058 meters CALCULATED VALUES A • Area of Reflector PI*D"2/4 78.540 meters"2 I• Length of Near Field D"214k 4284 meters L,. Beginning of Far Field 0.6D"2/k 10281 meters G • Antenna Gain @ 51.4 GHz n(PI*D/k)"2 14,198,336 71.5 dBi a • Area of Feed Mouth Pl*d"214 0.0007 meters"2 POWER DENSITY CALCULATIONS Maximum Power Density in Region Region Hazard Assessment Formula Value (mW/cm"2) (FCC MPE Limit • 5 mW/cm"2) 1 Near Field 4nP/A 0.50 < FCC MPE Limit 2 Far Field GP/(4(PI)L"2) 0.21 < FCC MPE Limit 3 Transition <= Nr Fld Region 0.50 < FCC MPE Limit 4 Near Reflector Surface 4P/A 1.02 < FCC MPE Limit 5 Between Reflector & Ground PIA 0.25 < FCC MPE Limit 6 Between Subreflector and 4P/a 121116.7 >FCC MPE Limit Feed I'


Document Created: 2019-02-19 16:51:25
Document Modified: 2019-02-19 16:51:25
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