On 3/28/2011 15:52, Frank Haas KB4T wrote:
> The majority of real power line interference sources can be heard at VHF and
> low UHF frequencies as you approach the source (within a 1/4 mile
> typically.)
What about ultrasonic receivers/systems such as the one described by
W1TRC in April 2006 QST to zero in on arcing on a pole?
I've not seen much if any mention of the use of ultrasonic receivers
since the QST article was published.
73 Phil NA4M
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Phil Duff
Georgetown, Texas
http://priceless.apduff.com
http://stockphoto.apduff.com
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