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Total 4 documents matching your query.

1. [TowerTalk] Hy-Gain AV-640 freq.shift (score: 1): Author: GEORGE COSMETIS <cosmetis@msn.com>; Date: Wed, 3 Feb 2010 20:00:27 -0500; The AV-640 works very well for me,except when it rains. The 17 meter resonance shifts to the low end and the ssb portion exhibits an swr of 4:1 When dry the whole band is 2:1 Any ideas ? WA3CCI _____; /archives//html/Towertalk/2010-02/msg00067.html (7,643 bytes)
2. Re: [TowerTalk] Hy-Gain AV-640 freq.shift (score: 1): Author: "Dan Schaaf" <dan-schaaf@att.net>; Date: Wed, 3 Feb 2010 20:12:20 -0500; I have been using an AV-640 for 5 years. Once a year, I lower it and clean all mechanical connections end to end. Small wire brush. All aluminum connections to screws etc. On the 17 m stub, if it vib; /archives//html/Towertalk/2010-02/msg00070.html (9,333 bytes)
3. Re: [TowerTalk] Hy-Gain AV-640 freq.shift (score: 1): Author: "Art Trampler" <atrampler@att.net>; Date: Wed, 3 Feb 2010 20:49:32 -0600; My first thought is that Mother Nature is trying to teach you to enjoy CW more. I have an AV640 as well and have not noticed that particular problem. I think I would check the standoff insulators hol; /archives//html/Towertalk/2010-02/msg00079.html (9,366 bytes)
4. Re: [TowerTalk] Hy-Gain AV-640 freq.shift (score: 1): Author: "gillie@pa.net" <gillie@pa.net>; Date: Wed, 03 Feb 2010 21:52:37 -0500; Make sure there is no water getting in the matching box. mm _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting; /archives//html/Towertalk/2010-02/msg00080.html (8,450 bytes)

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