Reg Edwards wrote:
Ian, may I suggest you join forces with the Ph.D student on this
newsgroup who wants to develop an explicit formula to "Calculate the
Earth resistance in a Multi-layer Ground Structure". Your problems are
not unrelated.

That is strictly his problem. For my purposes, there's already plenty of
information out there.

And come back in 20 years time to report your unsuccessful findings.
;o)

I will come back much sooner, and report some successful DXing... though
you're still going to say it could have been done with a dozen short
radials :-)


--
73 from Ian G3SEK 'In Practice' columnist for RadCom (RSGB)
http://www.ifwtech.co.uk/g3sek