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Re: [TowerTalk] T-Network Calculator Spreadsheet

To: David Gilbert <ab7echo@gmail.com>, Towertalk <towertalk@contesting.com>
Subject: Re: [TowerTalk] T-Network Calculator Spreadsheet
From: "Richard (Rick) Karlquist" <richard@karlquist.com>
Date: Wed, 22 Sep 2021 20:25:13 -0700
List-post: <mailto:towertalk@contesting.com>
I usually use Simsmith for this sort of analysis.  I believe it
imports "touchstone" files from your VNA, etc.  Why reinvent the
wheel?

73
Rick N6RK

On 9/22/2021 7:12 PM, David Gilbert wrote:

There are several online T-Network and L-Network calculators out there, as well as various standalone applications that do the same thing.  My problem with most of them, though, is that every time I change the frequency or change the complex load values (or typically both), the network gets recalculated for the new values.  That isn't necessarily the real world, though, where fixed networks might be used at the feedpoint of an antenna or somebody just doesn't want to bother retuning
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