This summer I replaced some coax that runs through about 21' of "sealed PVC"
between my tower and house. As I pulled the coax out I noted that it was
completely dry. Of course I still use direct bury cable "just in case" ! The
cable had been in the PVC about 13 years.
73,
Carl
----- Original Message -----
From: "Jon Ogden" <na9d@speakeasy.net>
To: "John von Gonten" <n5bsd@arrl.net>; "TowerTalk" <towertalk@contesting.com>
Cc: <kc2tn@comcast.net>
Sent: Thursday, October 17, 2002 7:36 AM
Subject: Re: [Towertalk] Coax recommendations
> on 10/16/02 11:34 PM, John von Gonten at n5bsd@arrl.net wrote:
>
> > I am leaning towards using Direct Bury cable in a PVC conduit just to
> > have a secondary form of protection in case the conduit happens to have
> > a serious issue with water at some point.
>
> The issue with this is that you will need to have some sort of "venting" of
> the PVC in order to allow air to get in there. Otherwise if it is sealed,
> then water could get in there from condensation and possibly freeze. That
> said, I put some direct burial RG-213 in a "sealed" PVC pipe about 4 or 5
> years ago and have not had a bit of a problem with it.
>
> 73,
>
> Jon
> NA9D
>
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