[Towertalk] Coax recommendations

Steve Katz stevek@jmr.com
Thu, 17 Oct 2002 07:46:09 -0700


I've never really had problems with good quality RG213/U, just burying it
without additional protection; however, not having any problems doesn't mean
it's the right thing to do.  In my amateur installations, where if I needed
to, I could replace runs of coax in less than an hour on almost any antenna,
I don't worry about it very much.  In a severe or difficult to access
environment, I'd worry more, and probably use the correct products.

-WB2WIK/6

"If everything seems under control, you're just not going fast enough." -
Mario Andretti

> -----Original Message-----
> From:	Jon Ogden [SMTP:na9d@speakeasy.net]
> Sent:	Thursday, October 17, 2002 4:36 AM
> To:	John von Gonten; TowerTalk
> Cc:	kc2tn@comcast.net
> 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
> 
> -------------------------------------
> Jon Ogden
> NA9D (ex: KE9NA)
> 
> Life Member: ARRL, NRA
> Member:  AMSAT, DXCC
> 
> http://www.qsl.net/ke9na
> 
> "A life lived in fear is a life half lived."
> 
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