Attachment RF Hazard Exhibit B

This document pretains to SES-MOD-20100806-01016 for Modification on a Satellite Earth Station filing.

IBFS_SESMOD2010080601016_834053

Exhibit Ba Analysis of Non-Ionizing Radiation Antenna Diameter, (D ) = D := 1.8 meters D ⋅ 3.281 = 5.906 Feet D⋅D Antenna Surface Area, (Sa ) = Sa := π ⋅ Sa = 2.545 sq meters 4 Subreflector Diameter,, (Ds ( )= Ds := 0 cm Ds ⋅ .3937 = 0.000 Inches Ds ⋅ Ds Area of Subreflector, (As ) = As := π ⋅ As = 0.000 sq cm 4 Center Frequency, (Cf ) = Cf := 14.250 GHz Wavelength at (Cf ), (Lambda ) = Lambda := 0.0211 meters C-Band = .049 Ku-Band = .0211 Transmit Power at HPA or VPC Flange, (P1) = P1 := 200.00 watts P 2 := log( P1) ⋅ 10 P2 = 23.010 dB Path Loss from HPA or VPC to OMT, (IL) = Loss := 0.62 dB Power at OMT, (P )= P3 := P2 - Loss P3 = 22.390 OMT Pwr in dB P3 P := 10 10 P = 173.39 OMT Pwr in watts Antenna Gain at (Cf ), (Gain)= Gain := 46.50 dBi Gain Antenna Gain Converted to Power Ratio, (Ges )= Ges := 10 10 Ges = 4.467E+04 Ratio Antenna Aperture Efficiency, (n )= n := 0.6982 .60 ⋅ ( D ⋅ D ) Far Field (Rf )= Rf := Rf = 92.133 meters Lambda Rf ⋅ 3.281 = 302.29 feet Ges ⋅ P Far Field Power Density (Wf )= Wf := ⋅ .1 Wf = 7.261 mw sq cm 4 ⋅ π ⋅ ( Rf ⋅ Rf ) ( D ⋅ D) Near Field (Rn ) = Rn := Rn = 38.389 meters 4 ⋅ Lambda Rf ⋅ 3.281 = 125.953 feet 16 ⋅ n ⋅ P Near Field Power Density (Wn )= Wn := ⋅ .1 Wn = 19.030 mw sq cm π ⋅ ( D ⋅ D) Transition Region (Rt )= Rt := Wn ⋅ 1 Rt = 19.030 mw sq cm (Equal to or less than) 2⋅P Pwr Density at Sub Reflector (Ws )= Ws := ⋅ 1000 N/A As 2⋅ P Main Reflector Region Pwr Density (Wm )= Wm := ⋅ .1 Wm = 13.628 mw sq cm Sa P Pwr Density between main reflector and ground (Wg )= Wg := ⋅ .1 Wg = 6.814 mw sq cm Sa Far Field Off Axis (WF )= WF := Wf ⋅ .01 WF = 0.073 mw sq cm Near Field Off Axis (WN )= WN := Wn ⋅ .01 WN = 0.190 mw sq cm


Document Created: 2010-07-28 08:21:12
Document Modified: 2010-07-28 08:21:12
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