On 9/25/2023 9:13 AM, JVarney wrote:
Yes, but as you alluded to, K5IU's analysis is only true in a
world where the wind is of constant speed, horizontal, all flows
are laminar, and the tower and antennas are statically fixed.
Virtually all of our "formulas" for things were the result of equations
based on simplifying assumptions that made the solutions easier. When
applying these "formulas," it's critical to remember what those
simplifying assumptions were.
For example, Zo = sqrt(L/C) is based on F being high. The transmission
line equation is complex, so Zo varies with frequency, as do Vf and
attenuation.
73, Jim K9YC
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