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Old November 17th 07, 07:07 PM posted to rec.radio.amateur.antenna
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Default Low Noise receiving Loop antenna

Richard Clark wrote:

On Sat, 17 Nov 2007 07:36:28 -1000, Tony Giacometti
wrote:

Anyone familiar enough with receiving loops to be able to assist me in
figuring out whats wrong here?


Hi Tony,

There is no such thing as a Low Noise antenna (loop or otherwise).

Given that what you build is deaf, that should be a reality check of
this presumed quality of the antenna.

Well, actually, you built it wrong. However, building it right stands
only a partial chance of lowering noise, and not because the antenna
has some remarkable quality that is not otherwise found in the plug
ordinary dipole. In that sense, the reduction of noise would only
follow turning the dipole (or loop, same thing) until the source of
that noise fell into a null. This is the conventional method of
employing a "Low Noise" antenna.

Let me guess. It is a shielded loop. You forgot to leave a gap in
the shield.

73's
Richard Clark, KB7QHC


it is a shielded loop and no the gap is there, thats why I am wondering why
its not doing what I thought it would do.
 
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