RE: Brian Mattson's post of Friday, 19 Dec 2014 12:23:52 -0500
The velocity of propagation in the MF and HF bands along radial conductors
that lie on, or are buried several inches in the earth is inconsequential.
What DOES matter is the free space wavelength, and the number of those
This was shown in the real-world experiments of Brown, Lewis & Epstein of
RCA Laboratories, published in the Proceedings of the Institute of Radio
Engineers in 1937.
Those BL&E findings established the requirements for such radial systems
required of AM broadcast stations subject to FCC jurisdiction, to the
R. Fry, CPBE
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