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[TowerTalk] Ground Rods in Shale

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Subject: [TowerTalk] Ground Rods in Shale
From: (Hank Lonberg)
Date: Sat May 24 14:18:25 2003

The NEC (national electric code) allows you to lay them horizontal on
top of rock if they can't be driven vertical. This is for electrical
grounding and lightning protection. I think it makes sense for RF
grounding also.


Hank Lonberg, P.E.,S.E. / KR7X
Lonberg Design Group Ltd.

-----Original Message-----
[] On Behalf Of Bill Gillenwater
Sent: Friday, May 23, 2003 10:35 AM
Subject: [TowerTalk] Ground Rods in Shale

Any ideas on ground rods when you have solid shale at about 3 feet down?
Have tried to drive one 8 footer so far and got about 4 feet and that
was it. I was thinking of driving one horizontal in the basement wall?

73 Bill  K3SV

See:  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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