----- Original Message -----
From: "W0UN -- John Brosnahan" <email@example.com>
> >I ended up locating the cables the old-fashioned way - digging very
> >carefully by hand. Lesson learned - counting on others to do your
> >work (when you're not paying them) is foolish.
> Hi, Pat--
> Now that QST has published an article on an ultrasounic power line arc
> detector it sounds like it is about time they publish an article on an
> underground cable locator.
> Wish I knew more about the utility companies' detectors -- I have a
> feeling that a ham with a decent junk box could build one for less than
> 10% what the utilities pay for theirs.
> That is certainly true for the ultrasounic arc detector.
> 73 John W0UN
If I understand correctly what Pat is trying to do (locate cables
with known ends, but unknown routing), you might be able to
energize them with some low-frequency energy the way those
home wire locating tools work (I think they use a few hundred
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