[TowerTalk] Soil Probe Calculator

Jim Brown jim at audiosystemsgroup.com
Thu Dec 23 15:25:30 EST 2021


Thanks very much for this, Brian.

Can't wait to try it out!

73, Jim K9YC

> I've written a Windows program that calculates ground permittivity, 
> conductivity, and skin depth using impedance data from a soil probe and 
> vector network analyzer, such as a NanoVNA. Realistic ground parameters 
> are important when comparing horizontal and vertical antenna models. 
> General terrain descriptions and ground conductivity maps are much too 
> coarse. Ground parameters also vary with frequency. With a soil probe 
> you can determine the parameters of your local ground at the frequency 
> of interest. Skin depth can help you assess the limitation of a surface 
> probe when the ground is inhomogeneous.
> 
> See README.TXT for instructions. It includes references on making and 
> using a soil probe.
> 
> Screenshots:
> 
> http://ham-radio.com/k6sti/gnd.htm
> 
> Download:
> 
> http://ham-radio.com/k6sti/gnd.zip
> 
> Brian
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