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Total 5 documents matching your query.

1. [Amps] Alpha 78 Failure (score: 1): Author: Paul Gerhardt <phgerhardt@gmail.com>; Date: Tue, 27 Dec 2011 13:38:05 -0500; After a couple of years working well and many thousands of Q's the Alpha 78 quit. It still switches to xmit, I can hear the relays, there is a small amount of grid current but no plate current so I a; /archives//html/Amps/2011-12/msg00231.html (7,312 bytes)
2. Re: [Amps] Alpha 78 failure (score: 1): Author: Paul Gerhardt <phgerhardt@gmail.com>; Date: Wed, 15 Feb 2012 11:34:35 -0500; After a couple of years working well and many thousands of Q's the Alpha 78 quit. It still switches to xmit, I can hear the relays, there is a small amount of grid current but no plate current so I; /archives//html/Amps/2012-02/msg00174.html (8,349 bytes)
3. Re: [Amps] Alpha 78 Failure (score: 1): Author: Paul Gerhardt <phgerhardt@gmail.com>; Date: Thu, 16 Feb 2012 07:58:21 -0500; Message: 7 Date: Wed, 15 Feb 2012 11:34:35 -0500 From: Paul Gerhardt <phgerhardt@gmail.com> Subject: Re: [Amps] Alpha 78 failure To: amps@contesting.com Message-ID: <CACkHHUKBnJqKzt0_EpK5CfXW4; /archives//html/Amps/2012-02/msg00195.html (10,304 bytes)
4. Re: [Amps] Alpha 78 failure (score: 1): Author: Paul Gerhardt <phgerhardt@gmail.com>; Date: Thu, 16 Feb 2012 16:39:45 -0500; Working again Thanks ! I really should try to start at the beginning in troubleshooting. When I finally got to checking the bias at the tube sockets it was fine. So I checked the filaments and the v; /archives//html/Amps/2012-02/msg00210.html (8,747 bytes)
5. Re: [Amps] Alpha 78 Failure (score: 1): Author: Paul Gerhardt <phgerhardt@gmail.com>; Date: Mon, 20 Feb 2012 14:11:35 -0500; Paul Gerhardt K3PG http://pgerhardt.blogspot.com QRP ARCI 6674 FP 274 "You must do this work with love or you fail." -- John Muir, from How to Keep Your Volkswagen Alive ____________________________; /archives//html/Amps/2012-02/msg00232.html (7,281 bytes)

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