BW wrote:
ANY suggestions would be welcome.

One common approach is to run some DC voltage through the coax
to energize an antenna relay. The DC voltage is isolated from
the RF equipment using caps. A series DC relay is bypassed
for RF by a cap. A parallel DC relay is isolated from the RF
by an RF choke. The configuration is a little different
depending upon whether the antenna is a DC short or not.
--
73, Cecil, W5DXP



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