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Total 9 documents matching your query.

1. [TowerTalk] 40 meter vertical beam (score: 1): Author: Tom Osborne <w7why@frontier.com>; Date: Tue, 17 Feb 2015 13:42:49 -0800; HI All I have a 40 meter vertical dipole that i"d like to put a reflector behind (or maybe a switchable reflector/director combo). What I'm wondering is - do I ground the base of the reflector with r; /archives//html/Towertalk/2015-02/msg00276.html (6,712 bytes)
2. Re: [TowerTalk] 40 meter vertical beam (score: 1): Author: Bob Harmon <k6uj@pacbell.net>; Date: Tue, 17 Feb 2015 14:17:55 -0800; Tom, The reflector should be floating like the dipole driven element. You are creating a 2 element yagi only in vertical arrangement Bob K6UJ Sent from my iPhone _____________________________________; /archives//html/Towertalk/2015-02/msg00277.html (7,935 bytes)
3. [TowerTalk] 40 meter vertical beam (score: 1): Author: Tom Osborne <w7why@frontier.com>; Date: Mon, 7 Mar 2016 13:55:25 -0800; Hi All I have a 40 meter vertical dipole that I would like to put a reflector behind. According to the modeling, he said the regular calculated dimension for the reflector didn't work. It had to be a; /archives//html/Towertalk/2016-03/msg00069.html (7,096 bytes)
4. Re: [TowerTalk] 40 meter vertical beam (score: 1): Author: dw <bw_dw@fastmail.fm>; Date: Mon, 07 Mar 2016 13:59:22 -0800; Googling for phased vertical dipoles will probabaly turn up some results. -- Bw_dw@fastmail.net _______________________________________________ _______________________________________________ TowerTa; /archives//html/Towertalk/2016-03/msg00070.html (8,734 bytes)
5. Re: [TowerTalk] 40 meter vertical beam (score: 1): Author: dw <bw_dw@fastmail.fm>; Date: Mon, 07 Mar 2016 13:59:48 -0800; Googling for phased vertical dipoles will probably turn up some results. http://www.qsl.net/ei7ba/low_band_antennae.htm -- Bw_dw@fastmail.net _______________________________________________ _________; /archives//html/Towertalk/2016-03/msg00071.html (8,772 bytes)
6. [TowerTalk] 40 meter vertical beam (score: 1): Author: Tom Osborne <w7why@frontier.com>; Date: Tue, 8 Mar 2016 08:43:10 -0800; Hi All I have a 40 meter vertical dipole that I'd like to put a reflector behind and make a vertical beam. I was reading in an issue of CQ Contet about an antenna the Team Vertical built for a contes; /archives//html/Towertalk/2016-03/msg00082.html (7,577 bytes)
7. Re: [TowerTalk] 40 meter vertical beam (score: 1): Author: "Richard (Rick) Karlquist" <richard@karlquist.com>; Date: Tue, 8 Mar 2016 09:09:11 -0800; Does anyone know how to calculate the length of the reflector for this antenna?? Thanks and 73 Tom W7WHY You calculate the free space length, just to use as a starting point. Then you build it and me; /archives//html/Towertalk/2016-03/msg00084.html (7,889 bytes)
8. Re: [TowerTalk] 40 meter vertical beam (score: 1): Author: Tom Osborne <w7why@frontier.com>; Date: Tue, 8 Mar 2016 10:40:35 -0800; Sorry about my dual posting for this question. For some reason, this was still in my draft box and said it hadn't been sent yet. Thanks for all the replies and gives me something to think about. 73 T; /archives//html/Towertalk/2016-03/msg00085.html (7,746 bytes)
9. Re: [TowerTalk] 40 meter vertical beam (score: 1): Author: "john@kk9a.com" <john@kk9a.com>; Date: Wed, 9 Mar 2016 09:42:07 -0500; This is easy to model. I modeled and built one and used it in Grand Cayman for a world high 40m score. John KK9A ex ZF2JB Hi All I have a 40 meter vertical dipole that I would like to put a reflector; /archives//html/Towertalk/2016-03/msg00123.html (8,420 bytes)

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