Richard (Rick) Karlquist wrote:
> It is in Reference Data for Radio Engineers, Chapter 24, configuration N.
>
> Zo = [60/(epsilon^.5)]* ACOSH {[4D^2/d1d2 - d1/d2 -d2/d1]/2}
>
> where epsilon is relative dielectric constant
> D is center to center spacing
> d1 and d2 are the wire diameters
> ACOSH is inverse hyperbolic cosine
>
> Of course I wonder why would anyone deliberately use different diameters?
>
> Rick N6RK
>
Might be incidental to the design (e.g. using the boom as one side of a
transmission line and a wire as the other) or if you are calculating
something like induced couplings...
Jim, W6RMK
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