I recommend you actually measure the RF voltage coming back on the
"other" coax.
A few years ago I jerry-rigged a RF probe for my DVM and made some
measurements. I wanted to make sure RF voltages were below likely
damaging levels in a typical device.
I found my worst-case scenario with stubs was only around 300
millivolts. Comforting.
The measurements were not hard to do. I wrote this all up but wasn't
able to find it for you in a google search a minute ago. It may be in
the archives of this list.
As a strictly WAG, I would think you will find minimal or no problems
if you use stubs and 100 w with even a modest separation. The
polarization difference helps you.
Jerry W4UK
At 04:46 7/25/2006, Chris wrote:
>Since it appears we are short of dead horses, how about a technical question.
>
>If quality filters (and or stubs) are used, what have others
>experienced as minimum speration distance of a beam at 40ft and a
>vertical for SO2R operating at or near 100w?
>
>
>
>Thanks-
>
>Chris
>KB5U
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