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Re: [Antennaware] Modelling transmission lines.

To: antennaware@contesting.com
Subject: Re: [Antennaware] Modelling transmission lines.
From: K4SB <k4sb@bellsouth.net>
Date: Mon, 14 Mar 2005 05:26:44 +0000
List-post: <mailto:antennaware@contesting.com>
"Guy Olinger, K2AV" wrote:
> Many antenna programs have a method for placing a simple transmission
> line in the model.
> 
> EZNEC, for instance will allow you to define a very short wire (like
> one inch) place it just about anywhere at a distance from the antenna
> wire parts, and define a transmission line (including substituting a
> specified length for the actual distance). You then place a source on
> the short wire and you can run impedances on it. Great for coming up
> with tuned feeder multiband solutions.
--------------

Have to agreeably disagree with Guy on this one. EZNEC does NOT like
closely spaced lines according to the documentation, and segmentation
on a 1" line at 160 meters would just not be reliable.

One of the big problems with the NEC-2 engine, and I wish I had the
answer.

73
Ed
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