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Total 6 documents matching your query.

1. [TowerTalk] 80 m 4-square high SWR with no obvious reason why - using COMTEK ACB-80 (score: 1): Author: kq2m@kq2m.com; Date: Sun, 26 Jun 2022 19:22:43 -0500; Hi, Before WPXCW one month ago, my wire 80M 4-square using the COMTEK ACB-80 was working very well, with ~ 1500 W out and 100 w reflected at 3.5 mhz and ~ 1500 W out and 50 w reflected at 3.7 mhz. Th; /archives//html/Towertalk/2022-06/msg00070.html (9,383 bytes)
2. Re: [TowerTalk] 80 m 4-square high SWR with no obvious reason why - using COMTEK ACB-80 (score: 1): Author: Michael Tope <W4EF@dellroy.com>; Date: Sun, 26 Jun 2022 18:57:59 -0700; Hi Bob, Does the VSWR (i.e. 800W forward, 350W reflected) remain the same when you switch directions with the array? Also, what is happening with the dump port load on the ACB-80 when you transmit? I; /archives//html/Towertalk/2022-06/msg00071.html (10,700 bytes)
3. Re: [TowerTalk] 80 m 4-square high SWR with no obvious reason why - using COMTEK ACB-80 (score: 1): Author: Gary NA6O via TowerTalk <towertalk@contesting.com>; Date: Mon, 27 Jun 2022 10:36:12 -0700; 1. Dump power is the most crucial diagnostic. It will quickly rise with any significant mismatch in the array. The quadrature hybrid matching system tends to minimize SWR fluctuations even when one o; /archives//html/Towertalk/2022-06/msg00072.html (9,554 bytes)
4. Re: [TowerTalk] 80 m 4-square high SWR with no obvious reason why - using COMTEK ACB-80 (score: 1): Author: kq2m@kq2m.com; Date: Wed, 13 Jul 2022 17:27:57 -0500; My apologies to all for the extreme delay in responding. I got a long wood splinter under my pointer finger nail and it got infected and ballooned rapidly necessitating a visit to my internist and th; /archives//html/Towertalk/2022-07/msg00048.html (12,075 bytes)
5. Re: [TowerTalk] 80 m 4-square high SWR with no obvious reason why - using COMTEK ACB-80 (score: 1): Author: Ignacy Misztal <no9e@arrl.net>; Date: Thu, 14 Jul 2022 13:42:44 +0200; Bob, Terrible problem with the splinter. We nearly always to remember to do certain tasks with gloves, but sometimes we forget. If money is available, the dxengineering 4sq is way above that of Comte; /archives//html/Towertalk/2022-07/msg00050.html (14,998 bytes)
6. Re: [TowerTalk] 80 m 4-square high SWR with no obvious reason why - using COMTEK ACB-80 (score: 1): Author: kq2m@kq2m.com; Date: Thu, 14 Jul 2022 21:44:08 -0500; Hi Ignacy, Thank you for your reply. I use gloves for most significant physical tasks to protect my hands. The strange part is that unlike almost every other splinter that I have ever gotten, I did n; /archives//html/Towertalk/2022-07/msg00051.html (18,076 bytes)

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