I 'think' what Chuck is trying to do is install a lightening protector
at his coax entrance panel.
The problem with lightening protectors is the blocking of DC and you
can't send voltage to the switch, pre-amp or what ever your trying to
power over the coax.
My solution, good or bad, was to install a box outside my shack that
includes a 12v power supply and the bias T. I inserted the bias-t on
the antenna side of my lightening protectors. Inside the box I have an
aluminum plate which is grounded to my system ground. If I can I'll
post a picture as it shows how items are attached to the aluminum plate.
Rich - N5ZC
On 12/3/2021 2:32 PM, Chuck Hutton wrote:
Hi -
Many years ago I saw some ground loop isolators that pass DC.
That is exactly what I need so that power can be sent over coax feeds to
preamp at the antenna.
I cant find anything on eBay that mentions passing DC in an isolator. None of
the isolators I have will pass DC.
Does anyone know an isolator that passes DC? I would like to avoid building one.
Chuck
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