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Total 11 documents matching your query.

1. [Towertalk] 100M-long boom Yagi for 20M (score: 1): Author: spelunk.sueno@prodigy.net (EUGENE SMAR); Date: Sun, 12 Jan 2003 00:09:38 -0500; TT: I was going through some old mags in the basement today and found a couple of articles of interest (I hope) to TowerTalk related to Yagis. They are both from the June 1991 issue of IEEE's Antenna; /archives//html/Towertalk/2003-01/msg00215.html (10,231 bytes)
2. [Towertalk] 100M-long boom Yagi for 20M (score: 1): Author: af4mp@mindspring.com (Zyg Skrobanski); Date: Sun, 12 Jan 2003 11:09:09 -0500; A typical broadcast curtain array will have a gain of 21 dBi with a bandwidth of about 10°. I guess that's why super long Yagi's are not used. I'm waiting for some fancy contest outfit to come on; /archives//html/Towertalk/2003-01/msg00219.html (8,506 bytes)
3. [Towertalk] 100M-long boom Yagi for 20M (score: 1): Author: W4EF@dellroy.com (Michael Tope); Date: Sun, 12 Jan 2003 08:26:19 -0800; I run into W6VPH in the hallway at work from time to time. He has a picture of that 13 element array above his desk at work and his eyes really light up when he describes the performance. The array w; /archives//html/Towertalk/2003-01/msg00220.html (12,472 bytes)
4. [Towertalk] 100M-long boom Yagi for 20M (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sun, 12 Jan 2003 20:52:28 -0500; And one of the big problems with such antennas for contest use is that the 3 degree bandwidth is too narrow for optimum coverage in Europe, where you need to "bathe" as many potential contacts with a; /archives//html/Towertalk/2003-01/msg00231.html (8,732 bytes)
5. [Towertalk] 100M-long boom Yagi for 20M (score: 1): Author: W1JR@arrl.net (Joe Reisert); Date: Mon, 13 Jan 2003 20:33:09 -0500; Gene, According to Brian Beezley, K6STI, this long Yagi antenna was designed and optimized with his YO (Yagi Optimizer) software. In fact, the program has the "W6TSW" antenna in the demonstration fil; /archives//html/Towertalk/2003-01/msg00248.html (12,597 bytes)
6. [Towertalk] 100M-long boom Yagi for 20M (score: 1): Author: K3BU@aol.com (K3BU@aol.com); Date: Mon, 13 Jan 2003 21:18:30 EST; Hi Joe, can you elaborate on agreement between software designs and actual antennas? VHF antennas allow close verification and measurements. Yuri, K3BU; /archives//html/Towertalk/2003-01/msg00249.html (8,339 bytes)
7. [Towertalk] 100M-long boom Yagi for 20M (score: 1): Author: spelunk.sueno@prodigy.net (EUGENE SMAR); Date: Tue, 14 Jan 2003 00:36:23 -0500; Joe: Thanks for the note. You're right regarding K6STI's influence on this project. The original article has a footnote that states: quote The authors thank B. Beezley for the full NEC final analytic; /archives//html/Towertalk/2003-01/msg00252.html (14,435 bytes)
8. [Towertalk] 100M-long boom Yagi for 20M (score: 1): Author: W1JR@arrl.net (Joe Reisert); Date: Tue, 14 Jan 2003 11:08:47 -0500; Hi Yuri, Using the same software that W6TSW used, YO, one can easily scale any Yagi from band to band (frequency to frequency) with ease. I have found excellent correlation. I have scaled numerous VH; /archives//html/Towertalk/2003-01/msg00259.html (10,786 bytes)
9. [Towertalk] 100M-long boom Yagi for 20M (score: 1): Author: W1JR@arrl.net (Joe Reisert); Date: Tue, 14 Jan 2003 11:10:58 -0500; Gene, Yes, with new software etc, may improvements are possible. See my EMail to K3BU for more info. 73, Joe, W1JR To: <towertalk@contesting.com>; /archives//html/Towertalk/2003-01/msg00260.html (16,101 bytes)
10. [Towertalk] 100M-long boom Yagi for 20M (score: 1): Author: geoffrey@jeremy.mv.com (Geoff); Date: Tue, 14 Jan 2003 14:40:50 -0500; Are you then saying that in order to obtain the same percentage of bandwidth on 20M the elements should be about 2.5 inches in diameter? What would it be using realistic diameters? Geoff wavelength s; /archives//html/Towertalk/2003-01/msg00262.html (12,419 bytes)
11. [Towertalk] 100M-long boom Yagi for 20M (score: 1): Author: K3BU@aol.com (K3BU@aol.com); Date: Tue, 14 Jan 2003 18:03:48 EST; Hi Joe, thanks for the info and encouraging news about correlation with real life (2m) models. Yes, it is interesting how many possible solutions there are within the antenna design, and how easy it; /archives//html/Towertalk/2003-01/msg00272.html (8,954 bytes)

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