[TowerTalk] W7PUA Tiny Ground Probe

Brian Beezley k6sti at att.net
Wed Mar 4 11:21:16 EST 2026


N4OGW said:

"What is usually used is the 'Slingram method'."

Thanks for mentioning this, Tor. Quite a bit of research seems to have 
been done on the method. A good search term for HF devices is

HFEMI sensor

Here's an article about correcting errors in a configuration that uses a 
VNA:

https://tinyurl.com/4naansm3

Several articles mention the detection of unexploded ordinance. An 
unexpected bonus when you measure the ground constants of your back yard.

Brian



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