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Total 5 documents matching your query.

1. Re: [TowerTalk] On the phase shift in current between ends of a coil (score: 1): Author: "Jim Lux" <jimlux@earthlink.net>; Date: Sun, 23 Nov 2003 06:52:06 -0800; An admirable construction approach. Your limited size elements are also not so much shorter than full sized elements that the mutual coupling between them is pretty much the same as the modeling tool; /archives//html/Towertalk/2003-11/msg00556.html (10,461 bytes)
2. Re: [TowerTalk] On the phase shift in current between ends of a coil (score: 1): Author: "Mark Beckwith" <mark@concertart.com>; Date: Sun, 23 Nov 2003 08:01:19 -0600; Phase Shift? This thread would have made me cross-eyed if I had studied it so I have not been following it. Nevertheless this excerpt caught my eye: I like to use AO/YO to design yagis, but I needed; /archives//html/Towertalk/2003-11/msg00555.html (9,072 bytes)
3. Re: [TowerTalk] On the phase shift in current between ends of a coil (score: 1): Author: "Jim Lux" <jimlux@earthlink.net>; Date: Sat, 22 Nov 2003 20:06:22 -0800; I don't know that Method of Moments codes (i.e. NEC) adequately model parasitic capacitance effects, which are proabably important in loading coils). No question that using a GH (helix) to model the; /archives//html/Towertalk/2003-11/msg00552.html (11,242 bytes)
4. Re: [TowerTalk] On the phase shift in current between ends of a coil (score: 1): Author: K3BU@aol.com; Date: Sat, 22 Nov 2003 22:48:02 EST; Loading coils are not isolated lumped elements and cannot be modeled as such. A lumped model serves as a decent design tool to determine a starting point, which will have to be further iterated empir; /archives//html/Towertalk/2003-11/msg00551.html (9,120 bytes)
5. [TowerTalk] On the phase shift in current between ends of a coil (score: 1): Author: "Jim Lux" <jimlux@earthlink.net>; Date: Sat, 22 Nov 2003 08:07:11 -0800; For closewound coils, with length to diameter ratios around 5:1, a series of fairly careful measurements have been made with the coils arranged vertically above a ground plane, fed at the base, with; /archives//html/Towertalk/2003-11/msg00540.html (10,856 bytes)

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