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1. [AMPS] tuning (score: 1): Author: gdaught6@leland.Stanford.EDU (George T. Daughters); Date: Wed, 16 Feb 2000 08:52:50 +0008; Hi, It was written.... I also think this is a good way, so long as "full smoke" is equivalent to "full smoke with good linearity." I actually played with the loading while watching the 3d and 5th ord; /archives//html/Amps/2000-02/msg00285.html (9,139 bytes)
2. [AMPS] tuning (score: 1): Author: measures@vcnet.com (measures); Date: Wed, 16 Feb 2000 09:20:51 -0700; would the good show well put, George - Rich..., 805.386.3734, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative reques; /archives//html/Amps/2000-02/msg00292.html (8,626 bytes)
3. [Amps] Tuning (score: 1): Author: "kwasny" <kwasny@netzero.net>; Date: Wed, 22 Dec 2004 09:56:01 -0500; Hi, I have a question that I have never seen the answer to in any amp manuals. After tuning the amp, how far up or down in frequency can you move without retuning the amplifer? Rich, Thanks for the r; /archives//html/Amps/2004-12/msg00255.html (6,873 bytes)
4. RE: [Amps] Tuning (score: 1): Author: "daniel hearn" <dhearn@ix.netcom.com>; Date: Wed, 22 Dec 2004 07:38:16 -0800; Darryl, it depends, primarily, on the Q of the output tuned circuit, the degree of loading, and the bandwidth of the antenna/ transmission line system. Shortened antennas with loading coils have very; /archives//html/Amps/2004-12/msg00259.html (7,607 bytes)
5. Re: [Amps] Tuning (score: 1): Author: Bill Turner <dezrat1242@ispwest.com>; Date: Wed, 22 Dec 2004 08:18:25 -0800; At 06:56 AM 12/22/2004, kwasny wrote: I have a question that I have never seen the answer to in any amp manuals. After tuning the amp, how far up or down in frequency can you move without retuning th; /archives//html/Amps/2004-12/msg00260.html (8,139 bytes)
6. Re: [Amps] Tuning (score: 1): Author: "Phil Clements" <philk5pc@tyler.net>; Date: Wed, 22 Dec 2004 13:04:26 -0600; Move the VFO up/down in frequency until your wattmeter reading decreases. That is fairly close to the limit. (for me anyway!) (((73))) Phil, K5PC -- Original Message -- From: "kwasny" <kwasny@netzero; /archives//html/Amps/2004-12/msg00264.html (8,274 bytes)
7. Re: [Amps] Tuning (score: 1): Author: Vic Rosenthal <vic@rakefet.com>; Date: Wed, 22 Dec 2004 11:11:06 -0800; Phil Clements wrote: Move the VFO up/down in frequency until your wattmeter reading decreases. That is fairly close to the limit. (for me anyway!) I think several guys were doing this recently on VU4; /archives//html/Amps/2004-12/msg00265.html (7,573 bytes)
8. Re: [Amps] Tuning (score: 1): Author: "Harold B. Mandel" <ka1xo@juno.com>; Date: Wed, 22 Dec 2004 13:24:49 -0500; Dear Daryl, The question of how far can you QSY without tuning is a mixed bag of information. Essentially, the point of resonance is at a particular frequency, and shifting that frequency throws the; /archives//html/Amps/2004-12/msg00268.html (8,377 bytes)
9. Re: [Amps] Tuning (score: 1): Author: "Mike Sawyer" <w3slk@uplink.net>; Date: Wed, 22 Dec 2004 16:53:11 -0500; "Why not do a bench test with a good dummy load and a wattmeter? Make a chart, and tune up in your favorite hangout area...." To ad to that, you could purchase an antenna analyzer, adjust your antenn; /archives//html/Amps/2004-12/msg00270.html (9,416 bytes)
10. Re: [Amps] Tuning (score: 1): Author: "Phil Clements" <philk5pc@tyler.net>; Date: Wed, 22 Dec 2004 18:31:41 -0600; Subject: Re: [Amps] Tuning "Why not do a bench test with a good dummy load and a wattmeter? Make a chart, and tune up in your favorite hangout area...." Because you need the antenna you want to use w; /archives//html/Amps/2004-12/msg00272.html (9,507 bytes)
11. Re: [Amps] Tuning (score: 1): Author: "kwasny" <kwasny@netzero.net>; Date: Thu, 23 Dec 2004 05:36:19 -0500; Thanks to all that replied to the tuning question. It seems that there is no definitive answer. I guess to protect the amplifier it is best to re-tune when ever the frequency is changed more than a f; /archives//html/Amps/2004-12/msg00279.html (9,522 bytes)

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