These types of problems usually indicate that there is RF leaking back
to any any transceiver he might try, because his antenna is too close to
the shack, especially if shack is on second floor. One thing he could
try is putting quarter wave counterpoises (hook up wires) on the ground
terminal and leading them out the window to drop down the side of the
house. A second story ground wire to earth is useless as an RF ground,
so he must be made to understand the earthing wire is but for lightning
safety from a hit.
Ferrite chokes on coax, a good external tuner, etc. are things that can
be tried. Do not overlook bad coax, (Radio Shack?), with leaky shields.
I hope you can help the ham resolve the problem. BTW, does he have
large enough gauge wire between the power supply and radio, and twisted
pair no. 12 as a minimum?
Stuart Rohre
K5KVH
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