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[quote:4d49299611=”12vman”]Does the diameter of the ground radials make a difference? Or, Does the type of wire make any difference? I find that electric fence wire is cheap. Most is steel and is galvanized and comes in long lengths.. (1/4 mi,1/2mi.) It would last for a good time in the ground I believe.. [/quote:4d49299611]
Here is a link that may help: http://www.bencher.com/pdfs/00361ZZV.pdf . This paper is written for amateur radio operations, and not everything in it applies to Part 15 AM — but there is some good basic information there.
Soft-drawn copper is certainly easier to work with, as making good mechanical and electrical bonds between galvanized steel wires is difficult.