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Re: Mode J Recieve Desense Problems



There's a Mode J Desense Filter design shown in some detail at
http://www.amsat.org/amsat/articles/w6shp/jfilter.html

I haven't built this exact design, but I did build something very
similar (using a rectangular metal box instead of a pipe). I was
fighting terrestrial intermods to an HT rather than Mode J desense.
It worked. It enabled me to put off the purchase of a rig with a
real front end for several years.

73  -Paul
kb5mu@amsat.org


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