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1. [TenTec] Argonaut 509 Bias Mod (score: 1): Author: "Byron Tatum" <bjtatum1@att.net>; Date: Mon, 3 Aug 2009 22:41:16 -0500; HelloI installed the bias modification under "Improving SSB Performance of Argonaut 509". I had problems - the PA current was way too high and could not be adjusted down. Did a lot of checking and fo; /archives//html/TenTec/2009-08/msg00022.html (7,468 bytes)
2. Re: [TenTec] Argonaut 509 Bias Mod (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Tue, 4 Aug 2009 09:40:27 -0400; bryon... was the Improving SSB performance for the argonaut 509 worth the trouble? Mike, WB8VGE SunLight Energy Systems The Heathkit Shop http://www.theheathkitshop.com/ J e e p o|||||||o Note: No tr; /archives//html/TenTec/2009-08/msg00025.html (7,619 bytes)
3. Re: [TenTec] Argonaut 509 Bias Mod (score: 1): Author: <waltk8cv4612amos@att.net>; Date: Tue, 4 Aug 2009 09:44:23 -0400; Well, yes and no, you can find an old AT&T telephone handset and unscrew the receiver and in there you will find a round thing that is the receiver and it drops into your hand. Look at the back of it; /archives//html/TenTec/2009-08/msg00026.html (9,217 bytes)
4. Re: [TenTec] Argonaut 509 Bias Mod (score: 1): Author: Stuart Rohre <rohre@arlut.utexas.edu>; Date: Tue, 04 Aug 2009 14:21:30 -0500; Byron, I "think" the pop on strong stations on the 509 is audio derived AGC. As I recall, and I am going from uncertain memory, rigs with audio derived AGC have to use a large capacitor which charges; /archives//html/TenTec/2009-08/msg00029.html (7,717 bytes)
5. Re: [TenTec] Argonaut 509 Bias Mod (score: 1): Author: "Byron Tatum" <bjtatum1@att.net>; Date: Tue, 4 Aug 2009 20:09:09 -0500; Hello StuartThank you so much for the nice advice. I have noticed electrolytics in the AGC circuit and they are fairly old, so that will be my first try! Thanks, Byron -- Original Message -- From: "S; /archives//html/TenTec/2009-08/msg00032.html (9,038 bytes)

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