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Re: [TowerTalk] N - clamp style connector

To: "Tower and HF antenna construction topics." <towertalk@contesting.com>
Subject: Re: [TowerTalk] N - clamp style connector
From: "Roger (K8RI)" <K8RI-on-TowerTalk@tm.net>
Reply-to: "Tower and HF antenna construction topics." <towertalk@contesting.com>
Date: Wed, 10 Mar 2010 16:11:50 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>

TexasRF@aol.com wrote:
> Ron, the clamping ring for N connectors is nickel plated. You will turn the 
>  coax to charcoal before successfully soldering the shield to it.
>  
> One of the major failure modes with N connectors is having the shield work  
> loose due to pulling and twisting the cable. A short piece of heat shrink 
> tubing  over the clamping end of the connector and a couple inches of the 
> coax will  provide excellent reinforcement and improved reliability.
I just pour 'em full of epoxy Then put the heat shrink on. Never had one 
come off yet.

73 

Roger (K8RI)

>  
> The recommended connector installation procedure has worked very well for a 
>  lot of years.
>  
> 73,
> Gerald K5GW
>  
>  
>  
>  
> In a message dated 3/10/2010 12:00:01 P.M. Central Standard Time,  
> w4lde@numail.org writes:
>
> Just  getting ready to install some a new beam and  coax plus N style 
> male  connectors on a new tower.  It's been awhile since I last used one 
> (N  style) and have reviewed via the WEB and the ARRL handbook 
> recommended  installation methods and find two different methods with 
> respect to the  barrel and shield connection.
>
> The barrel I am referring to is the small  piece were the shield is 
> folded back over and then compressed and held in  place by a O-ring, 
> washer and screw in clamp.
>
> The ARRL handbook  does not call for any solder of the shield to the 
> barrel peace but on one  ham web sites recommends that the shield be 
> soldered to the barrel insert  piece and then assembled the same way as 
> the non soldered.  If I  remember and it has been some time since I used 
> N type but I believe I did  not solder the shield but relied on the 
> compression and clamp fittings to  make good contact from the shield to 
> the N fitting.
>
> Would  appreciate your opinion, to SOLDER or NOT to SOLDER.
>
> 73 de
> Ron  W4LDE
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