I have a need to locate my buried Invisible Fence wiring at several
locations prior to digging. I have been considering getting a metal detector
for other reasons, on eBay. Will a metal detector work for locating this
wire? If so, will the cheaper ones do the job?
I have used a portable AM radio successfully. Start near the
transmitter and tune across the band to find the frequency that picks
the buzz up the best. You can then use it like a detector, listening
for the buzz emitted from the wire when the transmitter is on.
When you are drilling in areas with other wells you are bound to hit a
few by chance even if your method is throwing darts. He was only
"used" because he was the guy in charge, not cuz anyone thought it
worked but him.
Yes, even a cheap metal detector will work. But there is a better way.
Get a portable AM radio. Tune it to the bottom end of the scale, and turn the
volume all the way up. Walk along where you believe the wire to be, swinging
the radio from side to side a few inches above the ground. When it's over the
wire, you'll hear a rythmic "bomp...bomp...bomp..." in the static.
This also works to locate breaks in the fence: when the noise stops, you found
Doug Miller (alphageek at milmac dot com)
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