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Total 8 documents matching your query.

1. [TowerTalk] TH7 puzzle (score: 1): Author: Steve Lawrence <SMLX@earthlink.net>; Date: Tue, 13 Sep 2005 19:20:30 -0700; TH7 Puzzle: I have an FT1000D driving a legal limit amp to a TH7DX. The FT1KD tuner is left off when driving the amp. Occasionally, the FT's Hi SWR light will flicker or stay on but only when the amp; /archives//html/Towertalk/2005-09/msg00435.html (8,300 bytes)
2. Re: [TowerTalk] TH7 puzzle (score: 1): Author: K4SAV <RadioIR@charter.net>; Date: Tue, 13 Sep 2005 21:45:22 -0500; Sounds like you have a bad connection somewhere in the antenna or coax to the antenna. Probably some oxidation. Your amp is putting out enough voltage to clear the oxidation and "weld" a connection,; /archives//html/Towertalk/2005-09/msg00436.html (9,389 bytes)
3. Re: [TowerTalk] TH7 puzzle (score: 1): Author: "Michael Tope" <W4EF@dellroy.com>; Date: Wed, 14 Sep 2005 00:40:27 -0700; Steve, I've seen this on the TH7 at the local club station. The antenna system was doing this last year. I used it last weekend at it was okay. I never did any tests to try to determine whether the p; /archives//html/Towertalk/2005-09/msg00444.html (9,524 bytes)
4. [TowerTalk] TH7 Puzzle (score: 1): Author: Jim Idelson <k1ir@designet.com>; Date: Wed, 14 Sep 2005 11:12:32 -0400; Steve, When the antenna acts up maybe you can rotate it and see if there seems to be a connection to physical movement of the antenna. That would point to a bad connection somewhere. Further tapping; /archives//html/Towertalk/2005-09/msg00452.html (9,317 bytes)
5. Re: [TowerTalk] TH7 puzzle (score: 1): Author: "Bob Alexander" <realex@flash.net>; Date: Wed, 14 Sep 2005 19:53:15 -0500; Steve, I presume you are using the internal SWR meter in the FT1000. Put an external SWR meter between the rig and amp and see if both read the same high VSWR. The problem may be internal to the FT10; /archives//html/Towertalk/2005-09/msg00474.html (7,728 bytes)
6. Re: [TowerTalk] TH7 puzzle (score: 1): Author: Steve Lawrence <SMLX@earthlink.net>; Date: Thu, 15 Sep 2005 18:49:04 -0700; SUMMARY response: Puzzle: Intermittent Hi SWR when barefoot and down to QRP levels on a TH7 but only on 20m. Clears when hit with legal limit power and then returning to LP. . Signal path: rig-amp-pw; /archives//html/Towertalk/2005-09/msg00510.html (8,040 bytes)
7. Re: [TowerTalk] TH7 puzzle (score: 1): Author: Don Havlicek <n8de@thepoint.net>; Date: Thu, 15 Sep 2005 23:27:08 -0400; I'm surprised nobody mentioned the possibility of a balun failure. If you are using a balun, replace it when you're up the tower. Don N8DE _______________________________________________ See: http://; /archives//html/Towertalk/2005-09/msg00516.html (9,407 bytes)
8. Re: [TowerTalk] TH7 puzzle (score: 1): Author: GALE STEWARD <k3nd@yahoo.com>; Date: Fri, 16 Sep 2005 05:17:31 -0700 (PDT); I agree! Check/replace the balun first. It's a lot easier than taking down the DE and dismantling the traps. You might get lucky! 73, Stew K3ND http://lists.contesting.com/mailman/listinfo/towertalk; /archives//html/Towertalk/2005-09/msg00521.html (10,736 bytes)

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