[TowerTalk] Locating Buried Feedline

[Jim Lux]

At 08:55 AM 2/8/2006, Barkey, Patrick M. wrote:
>I'm getting ready to trench in a cable line to a new tower, and before
>I do, I'd like to mark where the existing cables are buried,
>particularly
>near the shack where they all come together.

Put RF current on the shield of the buried line, use a loop antenna on a 
handheld receiver, look for the null.

The local rental yards have devices to do this, too. Same principle as 
things that allow you to trace wires inside walls.


>
>Any ideas what the most reliable/cheapest way to do this is?
>Obviously, I will be digging by hand when I get in the "crossfire"
>of existing cables, but I know that you can do a lot of damage with
>an err