Attachment RF Analysis B.pdf

This document pretains to SES-LIC-20070918-01289 for License on a Satellite Earth Station filing.

IBFS_SESLIC2007091801289_587817

ANALYSIS OF NON-IONIZING RADIATION Exhibit B Antenna Diameter (D) D= 2.4 meters 7.874 Feet D⋅D Antenna Surface Area (Sa) Sa = π ⋅ Sa= 4.524 sq meters 4 Subreflector diameter (Ds) Ds=0 cm Ds = 0 inches Ds ⋅ Ds Area of Subreflector (As) As = π ⋅ As= 0 sq cm 4 Center Frequency (Cf) CF = 14.250 GHz Wavelength at (Cf), (Lambda) Lambda = 0.0211 meters C band=0.049, Ku band=0.0211m Transmit Power at HPA or VPC Flange (P1) P1= 60 watts P2 = log(P1) ⋅ 10 P2= 17.782 db Path Loss from HPA or VPC to OMT (Loss) Loss= 0.48 db Power at OMT (P) P3=P2-Loss P3= 17.302 db Antenna Gain at (Cf), (Gain) Gain= 49.2 dBi Gain Antenna Gain Converted to Power Ratio, (Ges). Ges = 10 10 Ges= 8.318E+04 Ratio Antenna Aperature Efficiency (n) 0.6484 0 .60 ⋅ (D ⋅ D) Far Field (Rf) Rf = Rf= 163.791 meters Lam bda Ges⋅ P Far Field Pwr Density (Wf) Wf = ⋅ 0.1 Wf= 1.325 mw sq cm 4 ⋅ π ⋅ (Rf ⋅ Rf) D ⋅D Near Field (Rn) Rn = Rn= 68.246 meters 4 ⋅ Lambda 16 ⋅ n ⋅ P Near Field Pwd Density (Wn) Wn = ⋅ 0.1 Wn= 3.08 mw sq cm π ⋅ (D ⋅ D) Transition Region (Rt) Rt = W n ⋅ 1 Rt= 3.08 mw sq cm (equal to or less than) Pwr Density at Sub Reflector (Ws) (N/A - No subreflector) 2 ⋅P Main Reflector Region Pwr Density (Wm) W m := ⋅ 0.1 Wm= 2.375 mw sq cm Sa P Pwr Density between main reflector and ground (Wg) W g := ⋅ 0.1 Wg= 1.188 mw sq cm Sa Far Field Off Axis (WF) WF= 0.013 mw sq cm W F := W f ⋅ 0.01 Near Field Off Axis (WN) WN= 0.031 mw sq cm W N := W n ⋅ 0.01


Document Created: 2007-08-24 15:17:04
Document Modified: 2007-08-24 15:17:04
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