[TowerTalk] How to calculate aluminium transmission line impedance?

[Lux, Jim]

On 10/11/22 12:45 PM, Joe Subich, W4TV wrote:
>
> Is there a similar calculator for "angle" conductors - e.g. the
> "half a square" conductors used in some commercial antennas?
>
> Viewed from one end, they might be an 1/2" or 3/4" "L" with
> the top/bottom laying across the multiple driven elements and
> the sides forming a parallel plate line spaced 1/4" to 1/2". 


I seem to recall seeing ones for squares, rectangles, and tubes, but I 
think once you get beyond those (which have analytical solutions), 
you're in FEM territory.

Or empiricism (build it and measure it)