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1. [TowerTalk] 4square/spitfire alternative (score: 1): Author: "Jim Jarvis" <jimjarvis@comcast.net>; Date: Tue, 22 Feb 2005 05:58:54 -0500; You didn't mention what you have for vertical support, and this may be the dominant deciding factor. If it were me, however, I would look at an array of 4 sloping dipoles on 40...switched at the cent; /archives//html/Towertalk/2005-02/msg00508.html (8,621 bytes)
2. Re: [TowerTalk] 4square/spitfire alternative (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Tue, 22 Feb 2005 07:30:17 -0500; I run the type of array that Jim describes on 80 (with the bottom halves of the dipoles brought back to the bottom of the tower), using the dimensions in K3LR's August 1994 QST article, and am quite; /archives//html/Towertalk/2005-02/msg00510.html (11,586 bytes)
3. Re: [TowerTalk] 4square/spitfire alternative (score: 1): Author: "Jim Jarvis" <jimjarvis@comcast.net>; Date: Tue, 22 Feb 2005 09:30:43 -0500; N4ZR wrote: (full text on bottom) My reply: Pete (TT) I only tried this once, on 75, and had good results. Didn't model it. Didn't fold the ends back, just let the dipoles stretch out, and sag a bit,; /archives//html/Towertalk/2005-02/msg00513.html (13,951 bytes)
4. Re: [TowerTalk] 4square/spitfire alternative (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Tue, 22 Feb 2005 21:51:44 -0500; Interesting idea, Jim. I think, though, that you're mixing two feed schemes. This arrangement is not all-driven, but rather a variation on the Yagi-Uda parasitic concept. The feedline's length is onl; /archives//html/Towertalk/2005-02/msg00540.html (8,529 bytes)

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