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Re: [TowerTalk] Fwd: sealing PL259's

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Fwd: sealing PL259's
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Mon, 25 May 2015 20:02:20 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
On Mon,5/25/2015 6:49 PM, Hans Hammarquist via TowerTalk wrote:
Maybe even better; the type of plumber dope they use to seal the threads.

When thinking about these materials, always consider the need to remove them. :) 3M 2228 and 33 are very good in this regard. Also UV. Using a product (like plumber dope) away from its usual application requires answers to questions like this. :)

What I don't like with the PL-259 is the lack of springs to keep the connection good at 
the screen side. All other connectors have some type of spring that ensure a good 
connection such as BNC and N. You have to tighten the PL-259 "well" in order to 
keep a good contact and there are no insurance they will losen up over time.

Tightening a UHF or N connector with pliers is part of mating it. If you're not doing that, you're not doing it right. I consider a quality UHF at least as robust as N (remember the migration problem). I don't consider BNC a weatherproof connector, nor a good connector for permanent installations. Rather, I view it as one that is more suited for mating and un-mating, indoors, where systems are often being reconfigured.

73, Jim K9YC
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