[Elecraft] Your Farm's Soil Electrical Conductivity

[Bill W5WVO]

Steve wrote:

> 15) Use the millimhos/centimeter number as mS/m.
> Thus, 17 millimhos becomes 17 mS/m. This is the
> electrical conductivity of your Fresnel Zone.

Given that 1 mho = 1 Siemens, then how does 17 mmho/cm (given by the tool) 
equate to 17 mS/meter? The denominator unit is different. And is the distance 
linear or area? Obviously this is just my ignorance about this, but I don't 
get it. Somebody explain please?

Bill W5WVO