Hi,
Radar speed guns use doppler shift to determine the speed of an object
that is reflecting a signal back to it. Some (if not all) radar guns use
the beat note between the TX oscillator and the incoming signal to
measure the doppler shift of the returned signal. Any signal received by
the radar gun receiver which produces a beat note in the detector can
conceivably generate a calculated speed indication, whether the signal
comes from a reflection of the transmitter signal from a moving object,
or if the signal comes from some other source altogether.
It is unlikely that your radio gear could produce enough harmonics up at
the microwave frequency the radar gun is listening to, to generate a
reading. And radar gun receiver overload due to high power is unlikely,
because the microwave feed horn acts as a high pass filter.
Not impossible though.
DE N6KB
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