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Hi...
I'm so proud of my new tweak to the RadioShack radio...
All you do is put a screw through the side of the radio, above the
tuning knob (see photo). Use a normal (magnetic) steel screw.
This allows the magnetic field to couple to the antenna. Fantastic
for finding problems on a breaker panel, much easier to pinpoint
a problem breaker or find a specific wire causing a problem.
There are two adjustment screws inside, one red, one white (see photo).
I couldn't help messing with them... wish I had a second radio to compare
the results, but it seemed turning the red one slightly to the left (too far
and it's just all static all the time) and the white a bit to the right
helped.
But it's probably best to leave them alone unless you have time to
experiment.
Anyway, I can now hear AM radio stations if I hold the radio screw near
some breakers but not others. This agrees with what happens using
the Entech Wideband Noise Analyzer.
Detailed instructions: on the new RadioShack 12-586, remove the 2 screws
on the back (one is in the batter compartment). Pry the case apart with
a small screwdriver. Watch for the AM-FM switch, it may fall out.
Drill a hole so the screw will line up with the black ferrite bar which
has copper wire wrapped around it.
The plastic is slightly thicker there, but pretty soft... I actually got
through it in a few
minutes using wood screws and drill bits but no drill. The screw I
used was a long version of the kind they use to put switch plates on
a wall switch, but anything including a nail would be fine (might want
to tape over it if it's sharp).
That's it! I call it Frankenstein's Radio because it has a screw coming out
and it has scars from opening the case...
[image: frankensteinRadio.jpg]
Bill
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