[TowerTalk] Tower grounding connections and foundation

[Pete Smith N4ZR]

FWIW, I have 3 F12 yagis, which have been up respectively 20, 19, and 16 
years, so far..  On none of them did I use anything but the standard 
rivets.  I'm sold.

73, Pete N4ZR
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On 8/8/2015 4:37 PM, JVarney wrote:
> Thomas Noel wrote: >>I suspect the important aspect is the surface area
> interfacing with soil, not the volume of dirt under or surrounding the
> grounding system.<<
>
> The volume of dirt is critical, in this document it's called the
> "interfacing hemisphere."  See Page 6 for a good diagram and explanation.
>
> http://www.lightningprotection.com/pdfs/resources/knowledge-transfer/technical-papers/principles-of-grounding-design.pdf
>
> 73 Jim K6OK
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