[amsat-bb] Re: Bulkhead Connectors

John B. Stephensen kd6ozh at comcast.net
Fri Jun 29 20:25:49 PDT 2007

Feedthroughs mounted to a well-grounded plate are useful for lightning 
arrestors but they don't need to be on the wall.



----- Original Message ----- 
From: "Dave Guimont" <dguimon1 at san.rr.com>
To: "Gary Mayfield" <gary_mayfield at hotmail.com>
Cc: <amsat-bb at amsat.org>
Sent: Friday, June 29, 2007 22:01 UTC
Subject: [amsat-bb] Re: Bulkhead Connectors

>>       I thought I would ask the list about their experience
>> withbulkhead coax feed-throughs.  I'm running coax into my shack
>> and thewalls are made of 2" x 6" construction.  _
> Hi Gary,
> In my opinion they are a pain!  I entertained the thought 35 years
> ago, and quickly discarded it!!
> I use thin wall pvc large enough to accommodate the "N" fittings that
> I use on ALL my antennas.
> I use a piece long enough to go thru the wall,  angled a few degrees
> down to keep out drip water, and project an inch inside and about two
> inches outside...Now if I want to change the coax going thru a
> particular hole, I simply slide it out and insert the
> replacement...Takes minutes, no additional connectors, no additional
> loss other than a short drip loop, costs pennies...and I use them for
> other cables to the outside...
> I now have20 holes in my wall to the outside, I can move gear around
> at will....I plug the holes here with a small piece of cloth to keep
> out the moisture and the bugs....15 holes or so always have a length
> of coax going thru it, sometimes more!!  Yes, I have a farm (antenna)...
> I know about where you live, and you may need a plug of insulation in
> the winter!!
>            73, Dave wb6llo at amsat.org
>                    Disagree: I learn....
>               Pulling for P3E...
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