[TowerTalk] Conductive Concrete and Grounding

[Charlie]

I've always heard even from lightning experts that there is little one can 
do to stop or even minimize the affects of a direct hit.

Charlie
Ham Radio - AD5TH
www.ad5th.com
Live Blues Music
www.492acousticblues.com




----- Original Message ----- 
From: "Bill Shell" <n6ws at charter.net>
To: "Tower Talk List" <towertalk at contesting.com>
Sent: Wednesday, January 26, 2005 7:36 PM
Subject: Re: [TowerTalk] Conductive Concrete and Grounding


> In 1966, I lost a tower to a lightning strike.  The tower was a 50ft Rohn 
> 25 with three sets of two guys.  The tower was grounded an the base with 
> ground rods and heavy guage wire going up about 3-4 ft where it attached 
> to the tower legs.  Unfortunately, the strike went down one of the guys, 
> over or through the heavy-duty egg insulators to the guy anchor where it 
> cracked the cement open.  The tower, having lost the anchor point for one 
> set of guys, just tipped over into my neighbors yard.
> I didn't have any grounds on the guy anchor points.  I had thought there 
> was no need, since the guys were broken at several points with egg 
> insulators.  I was wrong.  Lightning is too unpredictable to follow rules.
>
> 73, Bill
> N6WS
>
>
> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless 
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with 
> any questions and ask for Sherman, W2FLA.
>
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