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Re: [TenTec] What makes the 238 good or any other tuner good?

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] What makes the 238 good or any other tuner good?
From: Randy Russe3ll <lord_russell53@yahoo.com>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Fri, 20 Jan 2006 22:28:09 -0800 (PST)
List-post: <mailto:tentec@contesting.com>
Or 2:1 with open line, 600 ohm.

--- Robert & Linda McGraw K4TAX <RMcGraw@Blomand.Net>
wrote:

> Based on average antenna heights above ground for
> the average ham location, 
> for a 1/2 wave antenna operated on an even harmonic,
> the feed Z is typically 
> in the order of 1000 to 1500 ohms.  In theory, in
> free space, yes it is much 
> higher.  In practice, it isn't as high as one would
> imagine.  With 50 ohm 
> coax the line SWR is ~30:1 while with some value of
> open wire line it is 
> ~3.3:1.
> 
> 73
> Bob, K4TAX
> 
> 
> 
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