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[TowerTalk] Lightning comments

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Subject: [TowerTalk] Lightning comments
From: (Tom Rauch)
Date: Tue, 3 Aug 1999 08:33:53 -0400
> I found the following quote on another mailing list, having nothing to do
> with Ham radio.  Any comments? <<<< The problem in much of Florida is that
> the fine sand acts like a filter, and renders the ground water ultra-pure.
>  This is all well and good for drinking, but does not conduct electricity
> well at all. For a lightening rod to work, a second rod (a 'counterpoise')
> is sunk into the ground and conencted via heavy cable to the lightening
>  rod.  In parts of florida this counterpoise must be sunk over 250 feet
> deep in order to reach dirty enough water. <<<<

That is an excellent example of why you shouldn't believe what you 
read without a second independent verification from a reliable 

Dirtier water the deeper you go, and sand filtering out the impurities 
that cause conductivity. What a Bozo.


73, Tom W8JI

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