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Re: [TowerTalk] Hardline ?

To: <towertalk@contesting.com>
Subject: Re: [TowerTalk] Hardline ?
From: "Paul Christensen" <w9ac@arrl.net>
Date: Mon, 20 Apr 2009 17:48:57 -0400
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
The arithmetic mean between 30-ohms (best power handling) and 77-ohms
(lowest loss) is 53.5, the geometric mean is 48 ohms. The historical choice
of 50-ohms represents a compromise between maximizing power handling
capability while minimizing loss per unit length, for air-dielectric coaxial
lines.

Paul, W9AC

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