A.H. Systems SAS-550-2B Руководство по эксплуатации - Страница 8

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A.H. Systems SAS-550-2B Руководство по эксплуатации
A.H. Systems Model Active Monopole Antennas
ANTENNA FORMULAS AND CALCULATIONS
A specific antenna factor is associated with each frequency. This number is to be added
to the receiver reading (in dBV) to convert to field intensity in dBV/m.
EXAMPLE:
Assume the transmitter to be measured is operating at 1 MHz and the receiver reading
indicates 44.0 dBV
AF (dB/m) = 0.1
Receiver reading (dBV) = 44 dBV
Cable loss (dB) = 0.7
Field Intensity = AF + receiver reading + cable loss
Field Intensity = 0.1 + 44.0 + 0.7
Field Intensity = 44.8 dBV/m
 A.H. Systems inc. – Nov 2019
REV D
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