Topband: finding buried radials
w8ji at contesting.com
Fri Mar 16 21:56:36 EST 2007
>> ... don't want to accidentally cut the wires while
>> digging. What's the
>> best way to locate them? Cheap metal detector?
I've been successful using a small transistor radio taped to
a stick on small ground systems. I tuned the radio to a very
weak AM station and the volume increased as the loopstick
antenna passed the radials.
A metal detector works well for coax, but not something as
small as a radial. I have a metal detector I use all the
time to find coaxial cables.
I have also been successful using a MFJ-259 as a signal
source and following cables with a receiver and loop
antenna. As a matter of fact I had a bad laundry drain and
had no idea where the plastic pipe went once it was through
the wall. I fed a metal snake down the pipe and connected
it to the 259. I used a small SW receiver to follow the
pipe! I don't think this would work well for radials unless
you just fed one radial at a time, but it sure works for a
single wire or coax if you feed the shield with the MFJ 259
center and connect the 259 case to a ground or counterpoise.
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