[TowerTalk] Verticals and well pipe grounding

[jimlux]

On 2/8/16 7:54 PM, john at kk9a.com wrote:
> Interesting map. I am in the 4 millimhos per meter area. Fresh water areas
> like the Great Lakes is only 8 and there are some 30 millimhos areas
> scattered around the center of the US.
>

And bear in mind that those properties are basically at 1 MHz.

The conductivity and epsilon are frequency dependent.