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Re: [TenTec] Model 1225 SWR and Wattmeter Kit

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] Model 1225 SWR and Wattmeter Kit
From: Stuart Rohre <rohre@arlut.utexas.edu>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Mon, 14 Jul 2014 19:37:12 -0500
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
Interesting that some 1225's work better at extreme range than others.
I wonder if there were some parts substitutions by Ten Tec over the years of production? I have had mine for many years.

I think when I was testing 2 meters I was using a HT, so minimal coaxial cable was involved. The dummy load was an MFJ coaxial input dry type dummy load. Or I may have used some BNC dummy loads on short, (very short) duty cycle. Oh, And I have always used mine with internal battery, NOT an external power supply. I could see an external supply causing you to get stray signals into the pickup circuits when above the rated frequency range.

-Stuart Rohre
K5KVH
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