[TowerTalk] Verticals and well pipe grounding

[Jim Brown]

On Sat,2/6/2016 4:22 PM, jimlux wrote:
> Using N6LF's formulas I get skin depths around 5-10 meters at 2MHz 
> (0.005 S/m, epsilonr = 3-10)
>
> You might get 60 feet (20 meters) if the soil is particularly 
> non-conductive (rock).  Dropping the conductivity to 0.5 mS/m gives 
> you skin depths of 22-34 m at 2MHz 

Rock and sand are quite prevelant throughout the west, and pretty much 
what we have in the mountains. :)

73, Jim K9YC