> 2.  Can one mix different sizes ( i.e. 50 ohm 7/8" to a remote antenna
switch,
> then 1/2" to towers from remote antenna switch??
Certainly. Any combination of 50 ohm cables can be mixed without harm. I do
it all the time, even mixing RG-8X and smaller cables with 7/8 inch heliax.
73 Tom
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