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Re: [TowerTalk] How to calculate aluminium transmission line impedance?

To: towertalk@contesting.com
Subject: Re: [TowerTalk] How to calculate aluminium transmission line impedance?
From: "Lux, Jim" <jim@luxfamily.com>
Date: Tue, 11 Oct 2022 14:03:09 -0700
List-post: <mailto:towertalk@contesting.com>
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)


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