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Re: [TowerTalk] Lightning Advice

To: "Roger (K8RI)" <>
Subject: Re: [TowerTalk] Lightning Advice
From: Bill Turner <>
Date: Tue, 11 Sep 2007 18:46:19 -0700
List-post: <>

On Tue, 11 Sep 2007 15:42:07 -0400, "Roger (K8RI)"
<> wrote:

>First; yes, you do need a good ground at the tower where a good ground 
>consists of a series of heavy, bare copper cables CadWelded (TM) or some 
>other exothermic bond to a number of ground rods spaced roughly twice their 
>length apart. Although I disagree with some of the information on the 
>Polyphaser site, they have some very good information on grounding.  There 
>is some disagreement as to how far out the tower can be before you don't 
>need to tie its ground system into the Single Point Ground (SPG). As the 
>coax coming in it also a route for the lightning I prefer to run a good 
>ground ( complete with ground rods) along with the coax to a grounded 
>bulkhead at the house entrance. That bulkhead is my SPG.

------------ REPLY FOLLOWS ------------

You mention a ground right at the tower and another grounded bulkhead
at the house entrance. That sounds like two grounds to me. Why do you
call one of them a Single Point Ground when there are clearly two?

Bill W6WRT

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