[ale] [OT] I need a tone generator for subterranean wire tracing

[Jim Kinney]

Use a metal detector to find the buried valves, excavate and a cheap fox and
hound set will do. You'll basically have to build a map of circuits and line
but you'll want that anyway.
 On May 14, 2011 9:07 PM, "Richard Bronosky" <Richard at bronosky.com> wrote:
> I have a sprinkler system with one zone that doesn't work. I have
> opened up the (old analog gear system) timer to locate which wire is
> giving me the problem. Unfortunately I see it go out my basement wall
> and into the ground and have no idea were it goes to. I'm wondering if
> a simple tone generator like this will work http://j.mp/iF6Bup I
> strongly doubt it. I bet I need something like this http://j.mp/jiB1qY
> and I bet I can't even afford to rent it for a day. Also, I don't know
> where to look for one to rent.
>
> My next idea was to make one. I found instructions for using an RF
> Choke to find a break in an in visible fence. However, that is taking
> advantage of the RF transmitter in the invisible fence base. I don't
> know how to produce and detect a signal. And, because it is
> subterranean, it needs to be pretty well amplified.
>
> Please advise!
>
> --
> .!# RichardBronosky #!.
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