Hi:
=A0Maybe you could use one of this:
http://www.aliexpress.com/item/free-shipping-Underground-metal-detector-por=
table-metal-detector-GP-008/424492431.html =A0 $30 =A0free shipping

regards
Humberto

________________________________
 De: Manu Abraham <abraham.manu@gmail.com>
Para: Microcontroller discussion list - Public. <piclist@mit.edu>=20
Enviado: Martes, 14 de mayo, 2013 11:11 P.M.
Asunto: Re: [EE] underground pipe/wire finder
=20

Hi Bob,

On Wed, May 15, 2013 at 10:27 AM, Bob Blick <bobblick@ftml.net> wrote:
> When the power company wants to follow the path of a buried cable, they
> attach a gadget to one end and walk along the ground with another
> gadget. Looks real easy when you have that $7000 pair of gadgets.
>
> Any idea what inexpensive thing I could modify to get a similar effect?
> I don't need to do it on a live wire, and the maximum depth underground
> is one meter or less.

I used to trace my satellite coax cables, telephone cables and ethernet
cable installation at my office with a Tone tester. It wasn't that expensiv=
e
as you mention. I have 2 such devices, one of them has a better sensitivity=
..
Nevertheless, it looks somewhat similar:

https://www.theelectricaltoolstore.com/tenma-tone-generator-probe-set-cable=
-locator-p-204.html?zenid=3Dvnt2t68vdjtffs7u3r9abdvgq4

Regards,
Manu
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