Here is the figure from Carter paper (1932).
Piero, I0KPT
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Il 03/09/2020 01:53, AG6CX ha scritto:
The chart of impedance varying with height above ground has been around since at least 1928 or so, first published by Carter in IEE Transactions.
I¡¯ll post the original paper, with math, when I find it. Pattern is familiar Bessel function.
Ed McCann
AG6CX