>The FM broadcast wouldn't be affect on an FM radio since noise is
>"Amplitude" in nature. FM rcvrs won't pick them up (usually, although some
>rcvrs may).
I bought a $30 Radio Shack VHF aircraft radio receiver for the purpose. It
is AM, not FM, and works very well. I can track noise down to the exact
pole.
But the problem I have is travelling along the road with it. With every
vehicle I have, ignition noise is as strong as the noise I am trying to
sniff out. The bicycle is usually not an option because the main highway
has a gravel shoulder. I have been known to speed up in the car, turn off
the ignition, and coast while trying to find the noise. If I think it is
nearby, I sometimes just walk with the radio to my ear.
Don k4kyv
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