Attachment RadHaz MtJackson

This document pretains to SES-AMD-20160209-00125 for Amended Filing on a Satellite Earth Station filing.

IBFS_SESAMD2016020900125_1125286

Radiation Hazard Analysis Operator: SES Location Designation: MCI Mt Jackson FCC Callsign: County: Shenandoah SES ID: Town: Quicksburg STA: State/Zip: VA 22847 Input Values Value Unit Band Frequency D = Aperture Diameter 9.10 Meters L 1000-2000 d = Subreflector Diameter 0.56 Meters S 2000-4000 G = Antenna Gain 66.4 dBi C 4000-8000 FCC Designation Ka Band X 8000-12500 F = Frequency 28.000 GHz Ku 12500-18000 P = Transmitter Power Watts: 150 Watts K 18000-25500 R ua = closest point to uncontrolled area 50 meters Ka 26500-40000 Elevation angle at closest point R ua 10 Degrees O 40000-50000 Height (AGL) 12.00 meters V 50000-75000 OET 65 Calculated Values Formula Value Unit c λ= Wavelength 0.0107 meters F G = Antenna Gain 10 (G/10) 4365158.322 (W) linear Gl2/4p h = Apperture Efficiency 61% percentage pD2/4 A = Area of reflector pR2 65.039 meters 2 a = area of subreflector pr2 2463.009 cm 2 D2 1933.522 meters R nf = Near-Field Region 4l 336 Meters AGL >Rnf 1933.522 >meters R t = Transition Region <Rff 4640.454 <meters 0.6D2 4640.454 meters R ff = Far Field Region l 806 Meters AGL Exposure Limits Radiation Analysis Zone Formula Level Value General Public Occupational <1mW/cm2 <5mW/cm2 4P >FCC MPE See >FCC MPE See 1 Power Subreflector 243.605 mW/cm2 a Note 1 Note 2 4P 2 Antenna Surface 0.923 mW/cm2 <FCC MPE <FCC MPE A P 3 Main Reflector Ground 0.231 mW/cm2 <FCC MPE <FCC MPE A 4h P 4 S nf =Near-Field Power Density 0.565 mW/cm2 <FCC MPE <FCC MPE A 5 S t = Max Transition Power Density < Snf 0.565 mW/cm2 <FCC MPE <FCC MPE PG 6 S ff = Max Far field Power Density 0.242 mW/cm2 <FCC MPE <FCC MPE 4pRff2 7 Off Access Level Near Field Snf - 20 dB 0.00565 mW/cm2 <FCC MPE <FCC MPE Notes 1. The antenna is installed in a controlled location access is restricted to authorized personnel only. The antenna is marked with RF Radiation Hazard signage. 2. Inside the controlled area, MPE levels exceed the MPE exposure for occupational levels. The levels will be reduced to safe MPE by removing power to the transmitters when work is performed on or around the antenna. This area can only be accessed by qualified personnel. 3. The field develops 12 meters above ground level at the minimum elevation angle which is not accessable to the general public. Generated 2/9/2016 1 of 1 rad haz auto report-tk-mod Woodbine


Document Created: 2016-02-09 15:05:56
Document Modified: 2016-02-09 15:05:56
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