On Sat, 14 May 2005 01:33:38 GMT, Dan wrote:

When I get the AM radio. Should I plug it into AC power or run on battery?
Run it on battery.
Tune BETWEEN stations where the AGC circuit allows maximum RF gain.
Determine where the Ferrite loopstick is located in the radio,
(usually in the top and horizontal).
Hold the radio with your hands as far away from the loopstick as
possible.
The sides of the radio are the pickup direction. rotate/tilt the radio
twoard suspected noise sources and listen. Move about, when you rotate
for peak noise, does the edge point toward the the same item?
Remember, the pickup is off both edges, that is why circling is best
to locate the noise. Remember to tilt up for ovrhead sources like gas
discharge light fixtures, utility pole insulators (or dow if on a
upper storey).
I found bad utility pole insulators that were messing up my TV picture
that way (BTW they will normally make noise in foggy/moist weather).

Where do the speakers get their power?
Plug a set of headphones into the sound card, carefully test levels
before placing over your ears. What do you hear that way?
Plug the speakers into a Walkman type device (on battery, preffered),
What happens?

Tracking noise by remote G is difficult.
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