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#14
December 30th 05, 12:08 PM
posted to rec.radio.amateur.antenna
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converting dBm to uV/m
"Ron J" wrote
I'm still skeptical about this formula: Field Strength (uV/m) = 10 ^ ( (107 - |dBm| ) / 20 ) Is this valid? I saw this formula somewhere and jotted it down. _______________ uV/m = 10^[(dBm - G + 20*log(F) + L +75)/20] where dBm = signal level at receiver input in dB with respect to 1 mW G = receiving antenna gain in dBd L = line loss in decibels F = Frequency in MHz RF |
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