Atec AH-Systems-SAS-550-1B - Manual (Page 8)

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
µ V) to convert to field intensity in dB µ V/m.
EXAMPLE:
Assume the transmitter to be measured is operating at 1 MHz and the receiver reading
indicates 44.0 dB
µ V
AF (dB/m) = 0.1
Receiver reading (dB
µ V) = 44 dB µ 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
µ V/m
 A.H. Systems inc. – January 2007
REV B
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