Attachment Exhibit C

This document pretains to SES-MFS-20060726-01265 for Modification w/ Foreign Satellite (earth station) on a Satellite Earth Station filing.

IBFS_SESMFS2006072601265_515045

Exhibit C to MOD to E000166 Dated 7 July, 2006 RADIATION CALCULATIONS FOR 0.74 meter EARTH STATION Nomenclature Formula Value Unit INPUT PARAMETERS M = Antenna Aperture Major Axis 0.93 meters m = Antenna Aperture Minor Axis 0.67 meters d = Diameter of Feed Mouth 0.035 meters f = frequency 14.25 GHz P = Max Power into Antenna 2.0 Watts n = Aperture Effeciency 57% k = Wavelength @ 14.25 GHz 0.0210 meters CALCULATED VALUES A = Area of Reflector PIxMxm/4 0.489 meters^2 l = Length of Near Field M^2/4k 10 meters L = Beginning of Far Field 0.6M^2/k 25 meters G = Antenna Gain @ 30 GHz n(4xPIxA)/k^2 7,922 (39.0) dBi a = Area of Feed Mouth PI*d^2/4 0.0010 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 0.93 < FCC MPE Limit 2 Far Field GP/(4(PI)L^2) 0.20 < FCC MPE Limit 3 Transition <= Nr Fld Region 0.93 < FCC MPE Limit 4 Near Reflector Surface 4P/A 1.63 > FCC MPE Limit (See Exhibit A) 5 Between Reflector & Ground P/A 0.41 < FCC MPE Limit


Document Created: 2006-07-13 18:23:04
Document Modified: 2006-07-13 18:23:04
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