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RE: [TowerTalk] Ground Rods

To: "Dubovsky, George" <George.Dubovsky@andrew.com>,towertalk@contesting.com
Subject: RE: [TowerTalk] Ground Rods
From: Jim Lux <jimlux@earthlink.net>
Date: Tue, 04 May 2004 10:07:10 -0700
List-post: <mailto:towertalk@contesting.com>
At 12:55 PM 5/4/2004 -0400, Dubovsky, George wrote:


> -----Original Message-----
> From: Jim Lux [mailto:jimlux@earthlink.net]
> Sent: Tuesday, May 04, 2004 12:49 PM
> To: wrt@dslextreme.com; towertalk@contesting.com
> Subject: Re: [TowerTalk] Ground Rods
>
>
> At 08:07 AM 5/4/2004 -0700, Bill Turner wrote:
> >On Mon, 3 May 2004 18:38:26 -0600, Grillo's wrote:
> >
> > >One of the calculations I was looking at can drop
> impedance from 300
> > down to 5 ohms with using only 4 of these rods.
>
>
> Figure 25kA for a typical lightning stroke.. 25kA at 5 ohms
> is 125V..

Oops...

Got me... that's 125kV.. Ignore all my previous analysis of impedance and ground resistance.


Oh well.. time to get coffee.




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