Attachment Exhibit B

This document pretains to SES-LIC-20121105-00988 for License on a Satellite Earth Station filing.

IBFS_SESLIC2012110500988_973751

Exhibit B Lanham License Application RADIATION CALCULATIONS FOR 6.10 meter EARTH STATION Nomenclature Formula Value Unit INPUT PARAMETERS M = Antenna Aperture Major Axis 6.10 meters m = Antenna Aperture Minor Axis 6.10 meters d = Diameter of Feed Mouth 0.152 meters f = frequency 14.25 GHz P = Max Power into Antenna 70.0 Watts n = Aperture Effeciency 65% k = Wavelength @ 14.25 GHz 0.0210 meters CALCULATED VALUES A = Area of Reflector PIxMxm/4 29.225 meters^2 l = Length of Near Field M^2/4k 442 meters L = Beginning of Far Field 0.6M^2/k 1061 meters G = Antenna Gain @ 14.25 GHz n(4xPIxA)/k^2 539,338 (57.3) dBi a = Area of Feed Mouth PI*d^2/4 0.0181 meters^2 POWER DENSITY CALCULATIONS Maximum Power Density in Region Region Hazard Assessment Formula Value (mW/cm^2 (FCC MPE Limit = 1 mW/cm^2) 1 Near Field 4nP/A 0.62 < FCC MPE Limit 2 Far Field GP/(4(PI)L^2) 0.27 < FCC MPE Limit 3 Transition <= Nr Fld Region 0.62 < FCC MPE Limit 4 Near Reflector Surface 4P/A 0.96 < FCC MPE Limit 5 Between Reflector & Ground P/A 0.24 < FCC MPE Limit 6 Between Subreflector and 4P/a 1543.1 > FCC MPE Limit (See Exhibit A) Feed


Document Created: 2012-11-05 11:21:43
Document Modified: 2012-11-05 11:21:43
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