Reg Edwards wrote:

[snip]

. . . Radial resonances ( which BL&E never
dreamed of ) will be much more pronounced especially with high ground
resistivity.

Reg,

I have no idea what BL&E might have dreamed of, but I did find one
curious item on the fifth page of their paper (page 757 in the original).



Where there are radial ground wires present, the earth current consists
of two components, part of which flows in the earth itself and the
remainder of which flows in the buried wires. As the current flows in
toward the antenna, it is continually added to by more displacement
currents flowing into the earth. It is not necessarily true that the
earth currents will increase because of this additional displacement
current, since all the various components differ in phase.



Whether this is "resonance" I cannot say. However, it is pretty clear
they understood that the radial currents did not monotonically increase
as the distance from the antenna decreased. There was some sort of
variation.

Their figure 42 seems to show significant "resonance", but there does
not appear to be any discussion of that behavior.

73,
Gene
W4SZ