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Re: [TowerTalk] Lightning Protection Question

To: "reflector -tower" <towertalk@contesting.com>
Subject: Re: [TowerTalk] Lightning Protection Question
From: "Jim Brown" <jim@audiosystemsgroup.com>
Date: Sat, 11 Sep 2010 08:48:04 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
On Sat, 11 Sep 2010 11:28:10 +0000, K1TTT wrote:

>They should be at the shack entrance panel. it sounds like you have a common
>misconception about the 'Single Point Ground' concept.  THE SPG is the point
>where the cables all come together and enter the shack. 

And it appears that you might have some misconception as well. That single 
point must also have a low impedance bond (SHORT, BEEFY) to ALL other grounds 
in the building -- all ground rods, the mains power service entrance, CATV, 
Telco, cold water, structural metal, TV antenna, etc. 

73, Jim Brown K9YC


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