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73, Bill AF6AE
On Sun, Dec 19, 2021 at 8:54 AM Ed Cole wrote:
> Thanks to Bill Parsons-AF6AE for the tip on the QST December-2005
> article. Pulled it out and scanned it over (will read more thoroughly
> later) but inte
K9YC, Jim Brown, has an excellent set of papers and presentation slide sets
on antenna chokes and solving RFI issues that should help with all aspects
of your issues at the following web addresses:
http://audiosystemsgroup.com/RFI-Ham.pdf
http://audiosystemsgroup.com <- homepage
Very good
er, but their directivity brings desired signals out
> of noise. When I visited N6AA several years ago, he showed me a
> ground-hugging Yagi he used to reject noise from civilization the valley
> below him. No way would he have transmitted into that antenna, nor would
> I have transmitte
Take a look at Dean Straws NVIS article (with color graphics) in the
December 2005 issue of QST for a discussion of optimizing antenna height
for NVIS based on signal to noise ratio and region you wish to cover. Most
if not all of that article appears in the 23rd and 24th editions of the
ARRL
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