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Total 7 documents matching your query.

1. [TowerTalk] Problem With Force12 C31XR (score: 1): Author: Alfredo Vélez WP3C <wp3c@aol.com>; Date: Sun, 30 May 2010 20:47:42 -0400; HI I installed the Force12 C31XR at 75 feet tall and I have a problem in 15M, it resounds in 20.000Mhz and in 21.000Mhz have 2:5; when I take out one jumper that connects the 10Mdriver with the 20M i; /archives//html/Towertalk/2010-05/msg00711.html (7,159 bytes)
2. Re: [TowerTalk] Problem With Force12 C31XR (score: 1): Author: "Jorge Diez - CX6VM" <cx6vm.jorge@adinet.com.uy>; Date: Sun, 30 May 2010 21:59:23 -0300; Hola Alfredo, Is this a 40 mts yagi over the C31XR? Maybe is some interaction. Did you try the C31XR alone in the mast? If not you can try to cross 90 degrees the antennas (ponerlas cruzadas 90 grado; /archives//html/Towertalk/2010-05/msg00712.html (8,378 bytes)
3. Re: [TowerTalk] Problem With Force12 C31XR (score: 1): Author: "Tod -MN" <tod@k0to.us>; Date: Sun, 30 May 2010 20:58:28 -0600; I found that my C31XR was also resonant at 21.0 MHz or so. In the end I adjusted the length of the driven element -- made it shorter by about the amount the last tip extended from the DE. It was stil; /archives//html/Towertalk/2010-05/msg00713.html (9,843 bytes)
4. Re: [TowerTalk] Problem With Force12 C31XR (score: 1): Author: "Jim McDonald" <jim@n7us.net>; Date: Sun, 30 May 2010 22:15:07 -0500; I had the same problem with my C-31XR that I installed in 1999 or 2000 and took down and sold when I moved from AZ in 2006. I had to remove the tip tube to raise the center frequency into the 15M ban; /archives//html/Towertalk/2010-05/msg00714.html (8,756 bytes)
5. Re: [TowerTalk] Problem With Force12 C31XR (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Mon, 31 May 2010 05:52:13 -0400; If I recall correctly, there were many, many posts about C-31XR 15-meter resonance problems on both Towertalk and force12talk@qth.com a few years ago. Many people tried adjusting the length of the 15; /archives//html/Towertalk/2010-05/msg00715.html (10,717 bytes)
6. Re: [TowerTalk] Problem With Force12 C31XR (score: 1): Author: Alfredo Vélez WP3C <wp3c@aol.com>; Date: Mon, 31 May 2010 15:49:21 -0400; Thanks all for the comments, but I still need help to fix this! Alfredo Vélez WP3C/NP4DX Skype: wp3c.pr e-mail: mailto:wp3c@aol.com Web: http://www.wp3c.qth.com/ HI I installed the Force12 C31XR at 7; /archives//html/Towertalk/2010-05/msg00726.html (9,039 bytes)
7. Re: [TowerTalk] Problem With Force12 C31XR (score: 1): Author: Alfredo Vélez WP3C <wp3c@aol.com>; Date: Mon, 26 Jul 2010 21:20:09 -0400; Hi I fixed the problem with the C31XR, I made shorter the 15M driver and now it's working perfect. Here a picture of how is looking now the station, it's still under construction. http://www.qrz.com/; /archives//html/Towertalk/2010-07/msg00595.html (8,892 bytes)

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