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Total 5 documents matching your query.

1. [TowerTalk] Hairpin Match Calculator (score: 1): Author: Brian Beezley <k6sti@att.net>; Date: Sat, 16 Dec 2023 16:01:21 -0800; I've applied the Getsinger corrections for transmission line end effects to leads in my coil calculator (http://ham-radio.com/k6sti/coil.htm) and rods in my ground probe calculator (http://ham-radio.; /archives//html/Towertalk/2023-12/msg00029.html (8,642 bytes)
2. [TowerTalk] Hairpin Match Calculator (score: 1): Author: Brian Beezley <k6sti@att.net>; Date: Thu, 11 Jan 2024 09:42:19 -0800; Accurately calculating rod length and antenna reactance for a hairpin match turned out to be more complicated than I expected. I realized pretty quickly that my boom model was dubious. I abandoned it; /archives//html/Towertalk/2024-01/msg00028.html (9,172 bytes)
3. Re: [TowerTalk] Hairpin Match Calculator (score: 1): Author: "Jim Lux" <jim@luxfamily.com>; Date: Thu, 11 Jan 2024 20:08:56 -0500; This is why FEM codes exist - the analytical expressions get you most of the way there, but then as you start to find equations for more of the interactions, pretty soon you wind up at NEC - which; /archives//html/Towertalk/2024-01/msg00029.html (10,334 bytes)
4. Re: [TowerTalk] Hairpin Match Calculator (score: 1): Author: Brian Beezley <k6sti@att.net>; Date: Fri, 12 Jan 2024 03:09:25 -0800; "NEC does use a simplified model for the "wire" - it takes into account dielectrics and skin effect (I'm in the middle of figuring out what ZINT does, which is the core of the "resistance and inducta; /archives//html/Towertalk/2024-01/msg00030.html (8,516 bytes)
5. Re: [TowerTalk] Hairpin Match Calculator (score: 1): Author: "Jim Lux" <jim@luxfamily.com>; Date: Fri, 12 Jan 2024 10:49:36 -0500; "NEC does use a simplified model for the "wire" - it takes into account dielectrics and skin effect (I'm in the middle of figuring out what ZINT does, which is the core of the "resistance and induc; /archives//html/Towertalk/2024-01/msg00031.html (9,857 bytes)

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