[CQ-Contest] SO2R stubs.

[Tom Osborne]

I've been compiling some data to build the stubs here and was
wondering, what is the formula for determining the stub length. 
Is it just cut and try or what.
I tried 234/F and for 40 meters came up with 21.75 feet.  Most of
the posts say 23 feet open or shorted work best.  Where did the
23 foot figure come from.  I have a bunch of RG-6 CTV coax here
that I'd like to use, but it has foam instead of plastic
dielectric.  How to figure the length of stubs using the foam
instead of plastic?  Thanks
Tom W7WHY


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