voaplt.gph

zip contains tool for Antenna Modelling with examples

VOAAREA output parameter definitions
         1         2         3         4         5         6         7
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MUF   = Maximum Usable Frequency (MHz)
        Max Usable Freq     MUF                 [MHz]
        1. 1  2 2. 0.
ANGLE = Radiation angle (degrees)
        Radiation Angle                         [degrees]
        1. 2  0
ANGLER= Receiver Radiation angle (degrees)
        Radiation Angle     Receiver            [degrees]
        1. 2  0
TANGLE= Radiation angle (degrees)
        Radiation Angle     Transmit            [degrees]
        1. 2  0
RANGLE= Receiver Radiation angle (degrees)
        Radiation Angle     Receive             [degrees]
        1. 2  0
DELAY = Time delay (milliseconds)
        Time Delay                              [milliseconds]
        1. 2  0
VHITE = Virtual height (km)
        Virtual Height                          [km]
        1. 0  6 100. 200. 300. 400. 500. 9999.9
MUFda = % of days/month sky-wave propagation expected  
        MUF days            expected            [%]
        100. 0  6   1. 10. 50. 90. 99. 110.
LOSS  = Median system loss (dB)
        System Loss         Median              [dB]
        1. 3  2 10. 300.
DBU   = Median field strength at receive location (dBu)
        Field Strength      Median              [dBu]
        1. 1  2 5. 0.
TGAIN = Transmitter Antenna Gain (dB)
        Transmitter         Antenna Gain        [dB]
        1. 1  2 3. -30.
RGAIN = Receiver Antenna Gain (dB)
        Receiver            Antenna Gain        [dB]
        1. 1  2 3. -30.
SDBW  = Median signal power at receiver (dBW)
        Signal Power        at Receiver         [dBW]
        1. 1  2 5. -200.
NDBW  = Median noise  power at receiver (dBW)
        Noise Power         at Receiver         [dBW]
        1. 2  0
SNR   = Median signal-to-noise ratio (dB)
        Signal-to-Noise     Median Decile       [dB]
        1. 1  2 5. 0.
SNRxx = Signal-to-Noise ratio (dB) at Req. Rel.
        Signal-to-Noise     at Req Rel          [dB]
        1. 1  2 5. 0.
RPWRG = Required power & antenna gain to achieve reliab (dB)
        Required Power      & Antenna Gain      [dB]
        1. 3  2 10. 200.
REL   = Time availability, % time SNR exceeds required SNR
        Time availability   SNR > Req SNR       [%]
        100.  0  6  10. 20. 50. 80. 90. 110.
MPROB = Probability additional mode in multipath tolerances
        Probability         Multipath           [%]
        100.  0  6  10. 20. 50. 80. 90. 110.
SPROB = Service probability, required reliabilty will be met
        Service             Probability         [%]
        100.  0  6  10. 20. 50. 80. 90. 110.
DL    = Lower decile NOISE power (dB)
        Noise Power         Lower Decile        [dB]
        1. 2  0
DU    = Upper decile NOISE power (dB)
        Noise Power         Upper Decile        [dB]
        1. 2  0
SIGLW = Lower decile signal pwr (field strength & loss) (dB)
        Signal Power        Lower Decile        [dB]
        1. 2  0
SIGUP = Upper decile signal pwr (field strength & loss) (dB)
        Signal Power        Upper Decile        [dB]
        1. 2  0
BIN   = Binned values
        Bin
        1.  2  0
SIR10 = Upper decile of the S/I ratio (dB)
        S/I at 10%                              [dB]
        1. 1  2 5. 0.
SIR50 = Median of the S/I ratio (dB)
        S/I at 50%                              [dB]
        1. 1  2 5. 0.
SIR90 = Lower decile of the S/I ratio (dB)
        S/I at 90%                              [dB]
        1. 1  2 5. 0.
SIPGN = Required power & antenna gain to achieve S/I Protection Ratio (dB)
        S/I Required Power  & Antenna Gain      [dB]
        1. 3  2 10. 200.
SIREL = S/I Reliability, % time SIR exceeds S/I Protection Ratio
        S/I Reliability     SIR>S/I Prot Rat    [%]
        100.  0  6 1. 20. 50. 80. 90. 110.
SIRxx = Signal-to-Interference ratio (dB) at Req. Prob.
        Signal-to-Interf    at Req. Prob.       [dB]
        1. 1  2 5. 0.
PWRCT = % Power Cut Available
        Power Cut           Available           [%]
        100.  0  6  10. 25. 50. 70. 74.9 110.