Attachment Attachment D

This document pretains to SES-AMD-20190221-00288 for Amended Filing on a Satellite Earth Station filing.

IBFS_SESAMD2019022100288_1627773

RADIATION HAZARD CALCULATIONS FOR 9.2 meter EARTH STATION Nomenclature Formula Value Unit INPUT PARAMETERS D,. Antenna Diameter 9.20 meters d •Diameter of Feed Mouth 0.029 meters P • Max Power Into Antenna 200 Watts n = Apperture Effeclency 49% k =Wavelength @ 29.1GHz 0.0103 meters CALCULATED VALUES A = Area of Reflector PI*D"214 66.476 meters"2 I•Length of Near Field D"2/4k 2053 meters L = Beginning of Far Field 0.6D"2/k 4926 meters G,. Antenna Gain@ 28.6 GHz n(PI*D/k)"2 3,851,881 65.9 dBI a = Area of Feed Mouth Pl*d"2/4 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) 1Near Field 4nP/A 0.59 < FCC MPE Limit 2Far Field GP/(4(PI)L"2) 0.25 < FCC MPE Limit 3 Transition <= Nr Fld Region 0.59 < FCC MPE Limit 4 Near Reflector Surface 4P/A 1.20 < FCC MPE Limit 5 Between Reflector & Ground PIA 0.30 < FCC MPE Limit 6 Between Subreflector and 4P/a 121116.7 > FCC MPE Limit Feed I

RADIATION HAZARD CALCULATIONS FOR 9.2 meter EARTH STATION Nomenclature Formula Value Unit INPUT PARAMETERS D • Antenna Diameter 9.20 meters d • Diameter of Feed Mouth 0.029 meters P •Max Power Into Antenna 200 Watts n = Apperture Effeclency 49% k =Wavelength @ 51.4 GHz 0.0058 meters CALCULATED VALUES A • Area of Reflector 66.476 meters"2 I • Length of Near Field 3626 meters L = Beginning of Far Field 8702 meters G • Antenna Gain @ 51.4 GHz n(PI*D/k)"2 12,017,472 70.8 dBI a • Area of Feed Mouth 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 0.59 < FCC MPE Limit 2 Far Field GP/(4(PI)L"2) 0.25 < FCC MPE Limit 3 Transition <= Nr Fld Region 0.59 < FCC MPE Limit 4 Near Reflector Surface 4P/A 1.20 < FCC MPE Limit 5 Between Reflector & Ground PIA 0.30 < FCC MPE Limit 6 Between Subreflector and 4P/a 121116.7 >FCC MPE Limit Feed .I


Document Created: 2019-02-19 16:50:51
Document Modified: 2019-02-19 16:50:51
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