3-2
Using PMM RA-01
3.6 Antenna factor
PMM RA-01 is supplied with individual antenna factor calibration data.
The antenna factor is the ratio of the field strength in which the antenna is
immersed to the voltage coming out of the unit.
A typical value for Rod antenna factor is about +10dB.
If, for example, the output of the antenna is +44dB
μ
V, and the antenna
factor is +10dB at the radiated frequency, the electric field magnitude is:
+44 +10 =
+54
dB
μ
V/m corresponding to
0.0005
V/m.
3.7 Procedure of
Calibration
PMM RA-01 is calibrated in accordance with the equivalent capacitive
substitution method, using equipment which certifications traceability to
national and international standards are reported on the antenna certificate
itself.
