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1. [Antennaware] Modeling a composite antenna (score: 1): Author: alex@mail.sandlabs.com (Alex); Date: Tue, 4 Jun 2002 14:20:23 -0400; I am planning to erect a 60m long by 30. tall "cylindrical" curtain and in it's foci a TH7. What software can model this combination and where can I get it . Alex; /archives//html/Antennaware/2002-06/msg00005.html (7,989 bytes)
2. [Antennaware] Modeling a composite antenna (score: 1): Author: alex@mail.sandlabs.com (Alex); Date: Mon, 10 Jun 2002 09:57:45 -0400; I am planning to erect a 60m long by 30m tall "cylindrical" curtain and in it's foci a TH7. What software can model this combination and where can I get it . TIA, Alex; /archives//html/Antennaware/2002-06/msg00020.html (7,939 bytes)
3. [Antennaware] Modeling a composite antenna (score: 1): Author: k2av@contesting.com (Guy Olinger, K2AV); Date: Mon, 10 Jun 2002 10:06:10 -0400; Modeling a TH7 will be difficult in any event, due to the need for exact component specifications in the traps. It would be better to use an existing model for a non trapped beam of the same number o; /archives//html/Antennaware/2002-06/msg00021.html (9,040 bytes)
4. [Antennaware] Modeling a composite antenna (score: 1): Author: n8de@thepoint.net (Don Havlicek); Date: Wed, 12 Jun 2002 09:07:24 -0400; A cylinder has NO focus, a parabola/paraboloid does. If you construct what you have suggested, only the RF entering the 'reflector' along the line of the boom of the TH7 will be reflected back to the; /archives//html/Antennaware/2002-06/msg00022.html (8,774 bytes)
5. [Antennaware] Modeling a composite antenna (score: 1): Author: alex@mail.sandlabs.com (Alex); Date: Wed, 12 Jun 2002 12:28:08 -0400; I was describing the curvature of the antenna. A curtain antenna is never a closed loop, or in this case a cylinder. But it can have a specific curvature so there will be a focus! I wrote "cylindrica; /archives//html/Antennaware/2002-06/msg00023.html (10,643 bytes)
6. [Antennaware] Modeling a composite antenna (score: 1): Author: n8de@thepoint.net (Don Havlicek); Date: Wed, 12 Jun 2002 13:21:31 -0400; Alex, I am very familiar with 'sperical trigonometry' as well as many other branches of Mathematics ... my degrees, BS & MA, are both in Math. [Some say I have an ABD - 'all but dissertation' - didn'; /archives//html/Antennaware/2002-06/msg00024.html (11,999 bytes)
7. [Antennaware] Modeling a composite antenna (score: 1): Author: alex@mail.sandlabs.com (Alex); Date: Wed, 12 Jun 2002 13:56:38 -0400; I dare to differ, my friend. ANY curved surface will have at least one focus. Now, I must agree that it will not be a focus _point_ but never the less, energy will be concentrated, to some extent, in; /archives//html/Antennaware/2002-06/msg00025.html (14,419 bytes)

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