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Re: [TowerTalk] Challenging Grounding/Bonding Situation ?

To: N3AE <n3ae@comcast.net>
Subject: Re: [TowerTalk] Challenging Grounding/Bonding Situation ?
From: Bill Turner <dezrat@outlook.com>
Date: Fri, 12 Sep 2014 16:33:20 -0700
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
------------ ORIGINAL MESSAGE ------------(may be snipped)

On Fri, 12 Sep 2014 22:45:07 +0000 (UTC), N3AE wrote:

>Everything I've read says you need to bond all grounding electrodes together. 
>I think the electrical code requires this as well. If the tower took a direct 
>strike, all the "earth" near the tower would be at an elevated potential with 
>respect to "earth" further away (like the service entrance ground rod for the 
>house). If I recall, the effect is called "step potential" and is due to the 
>soil conductivity not being zero. That's not good as lightning currents will 
>find whatever paths it can to try to equalize those voltage differences. 
>
>I think the basic idea is to have all the "earthing conductors" rise and fall 
>together during a strike, hence the requirement to bond them all together. 

REPLY:

I disagree with all of that. See my other posts for an explanation. 

73, Bill W6WRT
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