Voyager spacecraft link budget

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%--------------------------------------------------------------------------
%   Copyright (c) 2012 Princeton Satellite Systems, Inc.
%   All Rights Reserved.
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%   Since version 10.
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dIn.transmitterPower        = 13;
dIn.feedLoss                = 0;
dIn.transmitAntennaDiameter	= 3.7;
dIn.transmitAntennaEff      = 1;
dIn.transmitAntennaType     = 'circular aperture';
dIn.pathLength              = 15e9; % km
dIn.frequency               = 8.415; % GHz
dIn.requiredEbOverNo        = 5;
dIn.channelBandwidth        = 0.5; % MHz
dIn.bitRate                 = 1.3e-3; % MBits/sec
dIn.fIllumination           = 18; % deg
dIn.pointingError           = 0.0;
dIn.psi                     = 0;
dIn.elevationAngle          = 90;
dIn.tAttenuatorAmbient      = 0;
dIn.lossAttenuator          = 0;
dIn.tGround                 = 0;
dIn.feedLossGround          = 0;
dIn.tAttenuatorAmbient      = 0;
dIn.receiveAntennaDiameter	= 70;
dIn.receiveAntennaEff       = 1.0;
dIn.receiveAntennaType      = 'circular aperture';
dIn.modulation              = 'D-BPSK';
LinkBudget( dIn );

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    'Transmitter Power'       '   11.14'          'dBW'     
    'Feed Loss'               '    0.00'          'dB'      
    'Path Loss'               ' -314.47'          'dB'      
    'Frequency'               '    8.41'          'GHz'     
    'Path Length'             '15000000000.00'    'km'      
    'Transmit Antenna G…'    '   50.27'          'dB'      
    'EIRP'                    '   61.41'          'dB'      
    'Required $E_b/N_o$'      '    5.00'          'dB'      
    'Channel Bandwidth'       '   56.99'          'dB-Hz'   
    'Bit Rate'                '   31.14'          'dB-Mb/s' 
    'Boltzmann Constant'      ' -228.60'          'dBW/Hz-K'
    'Absorption Loss'         '   -0.04'          'dB'      
    'Polarization Loss'       '    0.00'          'dB'      
    'Rain Loss'               '    0.00'          'dB'      
    'Receive Antenna Gain'    '   75.81'          'dB'      
    'Receive System $G/T$'    '   71.36'          'dB/K'    
    'Pointing Loss'           '    0.00'          'dB'      
    'Received Power'          ' -253.10'          'dBW'     
    'Received $C/N_o$'        '   46.86'          'dB/Hz'   
    'Received $C/N$'          '  -10.13'          'dB/Hz'   
    'Received $E_b/N_o$'      '   15.72'          'dB'      
    'Margin'                  '   10.72'          'dB'      
    'BEP'                     '3.01e-17'          ''