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Total 15 documents matching your query.

1. [TowerTalk] 40 meter rotatable dipole (score: 1): Author: nw4p@xtn.net (Richard Robinson); Date: Mon Mar 24 18:26:09 2003; TowerTechs, I need your help. Who has the best rotatable dipole out there? M2, F12? etc. Tnx and 73 Richard; /archives//html/Towertalk/2003-03/msg00320.html (7,565 bytes)
2. [TowerTalk] 40 meter rotatable dipole (score: 1): Author: SavageBR@aol.com (SavageBR@aol.com); Date: Mon Mar 24 18:44:10 2003; If you have other antennas up, don't over look the possibility of Gamma matching the boom of a monoband 20 Mtr or multiband beam. This technique has been discussed by N4KG and others, I match the boo; /archives//html/Towertalk/2003-03/msg00321.html (7,728 bytes)
3. [TowerTalk] 40 meter rotatable dipole (score: 1): Author: mike@hatzakis.net (Michael Hatzakis, Jr); Date: Mon Mar 24 18:51:30 2003; this is a very timely question, I'd like to be cc:'d on this response. I need a good 40 meter rotatable dipole I can add to a tribander that isnt too huge, is this close to what you were asking about; /archives//html/Towertalk/2003-03/msg00322.html (9,269 bytes)
4. [TowerTalk] 40 meter rotatable dipole (score: 1): Author: spelunk.sueno@prodigy.net (EUGENE SMAR); Date: Mon Mar 24 20:22:00 2003; Richard: FWIW, I bought and installed a Cushcraft D40 rotatable dipole near the top of the mast on my tower. The dipole is at about 78 feet AGL. I built it for the low end of the band and it met the; /archives//html/Towertalk/2003-03/msg00323.html (8,854 bytes)
5. [TowerTalk] 40 meter rotatable dipole (score: 1): Author: kelly@thejohnsons.ws (kelly@thejohnsons.ws); Date: Mon Mar 24 20:48:24 2003; I will be putting up a 3 el SteppIR sometime in the next month. Does anyone have a great idea about how to add 40 meters? I can't have much separation so it would have to be something that can be mou; /archives//html/Towertalk/2003-03/msg00325.html (9,608 bytes)
6. [TowerTalk] 40 meter rotatable dipole (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Mon Mar 24 22:18:20 2003; I don't think gamma matching the boom of this antenna is a good idea. The stepIR has motors and sensors somewhere in there that might not like RF being applied where the manufacturer did not intend i; /archives//html/Towertalk/2003-03/msg00329.html (10,760 bytes)
7. [TowerTalk] 40 meter rotatable dipole (score: 1): Author: SavageBR@aol.com (SavageBR@aol.com); Date: Mon Mar 24 22:30:48 2003; Don't guess, Ask the manufacturer AA4Z; /archives//html/Towertalk/2003-03/msg00330.html (7,868 bytes)
8. [TowerTalk] 40 meter rotatable dipole (score: 1): Author: jimr.reid@verizon.net (Jim Reid); Date: Mon Mar 24 23:49:21 2003; T'was wondered..... I have a F12 EF-140S up on my C3 boom. It has been NG for several months now! Why? I have no idea.... tried it again this afternoon during the Hawaii Afternoon Net. It lasted a fe; /archives//html/Towertalk/2003-03/msg00331.html (8,557 bytes)
9. [TowerTalk] 40 meter rotatable dipole (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Tue Mar 25 07:20:36 2003; Sorry to hear about your problem, Jim. My experience is quite different. I have an EF-240S (two of those elements) at 104 feet. It has been up there for 5 years now. My environment has no salt air to; /archives//html/Towertalk/2003-03/msg00337.html (8,887 bytes)
10. [TowerTalk] 40 meter rotatable dipole (score: 1): Author: Chris Fox <ni4ldipole@gmail.com>; Date: Wed, 18 Feb 2015 18:52:48 -0500; Hi everyone, Looking for a 66' 40 meter rotatable dipole. Or the makings of one. I e , mast plate, some spare tubing. Also maybe a program or link for wind load. I know what Texas Towers has in stock; /archives//html/Towertalk/2015-02/msg00298.html (6,805 bytes)
11. [TowerTalk] 40 meter rotatable dipole (score: 1): Author: "Denis Coolican" <coolican@telus.net>; Date: Thu, 19 Feb 2015 00:14:15 -0700; I built a 5 element as well as a 3 element full size beam for 40m. The DE is a dipole and I could share the physical dimensions and size of tubing used to handle a 80 MPH wind. Do you have any modell; /archives//html/Towertalk/2015-02/msg00305.html (6,939 bytes)
12. [TowerTalk] 40 meter rotatable dipole (score: 1): Author: Jeff Draughn <n0ost99@gmail.com>; Date: Thu, 18 Aug 2016 13:54:01 -0500; Which is best for mounting a 40 meter rotatable dipole above a Tri bander. Same direction as the boom or cross ways to the boom? Thanks, Jeff N0OST _______________________________________________ ___; /archives//html/Towertalk/2016-08/msg00227.html (6,683 bytes)
13. Re: [TowerTalk] 40 meter rotatable dipole (score: 1): Author: Jim Rhodes <jim@rhodesend.net>; Date: Thu, 18 Aug 2016 12:59:54 -0600; Aligned with boom gives less interaction, but then you have to remember that you are 90 degrees off on 40. _______________________________________________ ____________________________________________; /archives//html/Towertalk/2016-08/msg00228.html (7,479 bytes)
14. Re: [TowerTalk] 40 meter rotatable dipole (score: 1): Author: "john@kk9a.com" <john@kk9a.com>; Date: Fri, 19 Aug 2016 07:22:34 -0400; It is not that simple. There is not necessarily less interaction by rotating the 40m dipole. It depends on which tribander and which 40m dipole are being used. If the tribander elements are grounded; /archives//html/Towertalk/2016-08/msg00229.html (7,665 bytes)
15. Re: [TowerTalk] 40 meter rotatable dipole (score: 1): Author: "StellarCAT" <rxdesign@ssvecnet.com>; Date: Fri, 19 Aug 2016 13:09:38 -0400; definitely at a 90. The 40 could and probably will interact, potentially a significant amount, with the 15 and contrary to some beliefs and statements "it doesn't interact because my SWR is fine" it; /archives//html/Towertalk/2016-08/msg00232.html (9,202 bytes)

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