On Fri,7/8/2016 5:34 PM, Kevin wrote:
Instead of the coax coil at the feed he had some fancy machining done
to support a Balun Designs 1:1 choke at the feed.
Better yet, wind the coax through multiple cores following my Choke
Cookbook. Now, from the choke down, you can dress the coax any way you
like, and the choke prevents signal picked up on the coax from filling
in the nulls of the beam.
k9yc.com/RFI-Ham.pdf
I continue to marvel at folks who will spend money on some magic box
that someone else builds rather than something they can do themselves
for a fraction of the cost.
73, Jim K9YC
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