[TowerTalk] Ground Rods
Jim Lux
jimlux at earthlink.net
Tue May 4 13:07:10 EDT 2004
At 12:55 PM 5/4/2004 -0400, Dubovsky, George wrote:
> > -----Original Message-----
> > From: Jim Lux [mailto:jimlux at earthlink.net]
> > Sent: Tuesday, May 04, 2004 12:49 PM
> > To: wrt at dslextreme.com; towertalk at 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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