For power line noise detection, I use a Yaesu FT-7900 tuned to 324 MHz with
a magnetic loop antenna. Mounted on the car, the lobe is upward and off the
passenger side in a narrow swath due to other antennas causing it to act as
a 3-element Yagi. I can drive down the highway at 85 MPH and positively
identify arcing poles or associated hardware with 100% certainty, yes, yes,
no, no, no, yes, yes, yes, et cetera, even 600-900' from the pole, more than
the space between them.
Speaking of which, anyone playing with my idea of a half-Yagi on the trunk
lid of a sedan made of a row of NMO mounted whips?
This would be comparable to my current installation, but more purpose
designed.
Kurt
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