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Re: [TenTec] Fw: balanced antenna tuner ( or how to do things on thechea

To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Subject: Re: [TenTec] Fw: balanced antenna tuner ( or how to do things on thecheap- tribute to Geoff's drive for cost effect
From: "DC" <daclark56@hotmail.com>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Wed, 30 Apr 2008 13:11:02 -0400
List-post: <mailto:tentec@contesting.com>
Mr Castro seems determined that I continue to get the Ten Tec reflector even though I have continually requested it be stopped. Does anyone have any suggestions to "UNSUBSCRIBE" ? I get way to many messages to read even though they should be batched.


----- Original Message ----- From: "JAMES HANLON" <knjhanlon@msn.com>
To: "tentec" <tentec@contesting.com>
Sent: Wednesday, April 30, 2008 12:32 PM
Subject: [TenTec] Fw: balanced antenna tuner ( or how to do things on thecheap- tribute to Geoff's drive for cost effect



----- Original Message ----- From: JAMES HANLON<mailto:knjhanlon@msn.com>
To: mjlowensteijn@hotmail.com<mailto:mjlowensteijn@hotmail.com>
Sent: Wednesday, April 30, 2008 10:30 AM
Subject: Re: [TenTec] balanced antenna tuner ( or how to do things on the cheap- tribute to Geoff's drive for cost effect


Marinus,

Thanks for the reference to the S-Match. That's a neat development from my beloved, link-coupled, parallel-tuned circuit tuner. I filed it for future reference.

Jim Hanlon, W8KGI
----- Original Message ----- From: Marinus Loewensteijn<mailto:mjloewensteijn@hotmail.com>
 To: tentec@contesting.com<mailto:tentec@contesting.com>
 Sent: Wednesday, April 30, 2008 2:44 AM
Subject: [TenTec] balanced antenna tuner ( or how to do things on the cheap- tribute to Geoff's drive for cost effect



 Geoff

In your drive for equipment on the cheap I like to draw your attention to the S-Match as promoted by PA0FRI: http://www.xs4all.nl/~pa0fri/ATU/Smatch/smatcheng.htm<http://www.xs4all.nl/~pa0fri/ATU/Smatch/smatcheng.htm>

It uses only three components, tunes very easily and can handle both balanced as unbalanced antennas. Unfortunately you may have to build a different version for 160m than for 10m because minimum capacitance values do have an impact.

It should be the ideal beginner's project, in particular if I see prices asked for "commercial" antenna tuners and which often contribute a considerable expense towards establishing a station.

By the way - even with the older tentec gear like the Omni-C one does not need a SWR meter since that is already built in to the rig. (And "standalone" SWR meter's prices are through the roof for such a simple piece of equipment)

 Enjoy, 73, Marinus, ZL2ML
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