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Old February 22nd 10, 06:48 PM posted to rec.radio.amateur.antenna
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First recorded activity by RadioBanter: Jun 2006
Posts: 1,374
Default long wire AM antenna

Jeff D wrote:

Thanks for all the replies and help. I did try grounding at the radio
but I disconnected the shield at the radio not out at the outdoor
connection. I'll try Jitt's suggestion. I've goggled around on
constructing a loop antenna and it looks do-able for me so I may try that.
Most of the information I used to construct the long wire came from this
link http://www.hard-core-dx.com/nordicdx...b/coupler.html the
author also describes a coupler which I may attempt if I can scrounge
the parts unless anyone knows if something like that is available
commercially. Also could somebody recommend a lighting arrestor that
would work with the RG-6 male and female connectors where the long wire
connects to the coax.


Fiddling with the long wire, couplers, and tuners will change both the
signal and noise by the same amount, which won't help you at all. You
might as well turn your volume control up and down. A loop, however,
gives you the ability to improve the signal to noise ratio by decreasing
the noise from some directions, so you can hear the station better.

Roy Lewallen, W7EL


 
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