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Total 26 documents matching your query.

1. [TowerTalk] Stacking Antennas (score: 1): Author: k2qmf@juno.com (k2qmf@juno.com); Date: Mon Feb 24 17:41:56 2003; Hello All, Is there an "easy to use" program that I can use to input different antenna stacking distances and heights to see the results. I am planning a new contest / DX station and would like some; /archives//html/Towertalk/2003-02/msg00452.html (6,709 bytes)
2. [TowerTalk] Stacking Antennas (score: 1): Author: k6ll@juno.com (Dave Hachadorian); Date: Mon Feb 24 21:04:25 2003; The program "YT," which comes with the ARRL antenna book, has this capability, over any kind of terrain. An older version, YTAD, is available for free on the ARRL web site. Dave Hachadorian, K6LL Yum; /archives//html/Towertalk/2003-02/msg00462.html (6,969 bytes)
3. [TowerTalk] Stacking antennas (score: 1): Author: lu6beg@canopus.com.ar (Ernesto Grueneberg); Date: Wed, 28 May 1997 16:04:50 -0300; `Hello again I have a question. I was reading about stacking geometry and I noticed that when you stack antennas in vertical plane you narrow vertical angles and in the horizontal plane, you narrow a; /archives//html/Towertalk/1997-05/msg00687.html (6,968 bytes)
4. [TowerTalk] Stacking antennas (score: 1): Author: Jack <videorov@direcway.com>; Date: Thu, 11 Sep 2003 22:16:23 -0400; http://www.softwright.com/faq/support/stacked_antenna_program.html _______________________________________________ See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stati; /archives//html/Towertalk/2003-09/msg00330.html (6,564 bytes)
5. [TowerTalk] Stacking Antennas (score: 1): Author: Dave Tipton <dave@lodave.org>; Date: Thu, 15 Jun 2006 07:50:23 -0700 (PDT); I am looking at putting a pair of 11 element antennas on 2M with the factory created stacking harness up on the new tower. My question is this... Both of these 11 Element antennas are on 12 Foot boom; /archives//html/Towertalk/2006-06/msg00311.html (6,745 bytes)
6. [TowerTalk] stacking antennas (score: 1): Author: Joe Barnes <n4jbk@bellsouth.net>; Date: Mon, 25 Feb 2008 21:50:17 -0500; I have 2 telrex 6 element 6 meter beams that I want to stack, however they need to be over 20 feet apart so I am told and the only way to stack them that way here is to have a hygain 105ca between th; /archives//html/Towertalk/2008-02/msg00340.html (6,838 bytes)
7. [TowerTalk] Stacking Antennas (score: 1): Author: "Jimmy O. Floyd" <nq4u@mtars.org>; Date: Thu, 26 Mar 2009 12:38:50 -0500; Constructive input needed:::::::::::::: Getting ready to put tower #2 in the air -- 130 ft. ROHN 45G which will be guyed with phillystran. The planned antennas are as follows: 1) MOSLEY MP-33N with 4; /archives//html/Towertalk/2009-03/msg00789.html (7,241 bytes)
8. Re: [TowerTalk] Stacking Antennas (score: 1): Author: Cqtestk4xs@aol.com; Date: Thu, 26 Mar 2009 14:03:51 EDT; Plans are to add a stack match. Both antennas will be fed with 75 ohm hardline cut to proper length. Wire antennas will also be located on this tower. Will there be some pattern distortion due to dif; /archives//html/Towertalk/2009-03/msg00792.html (7,907 bytes)
9. Re: [TowerTalk] Stacking Antennas (score: 1): Author: Cqtestk4xs@aol.com; Date: Thu, 26 Mar 2009 15:20:25 EDT; You said "stack match". If you are talking about the Array Solutions Stack Match, you may want to check with Jay about using 75 ohm feed line. His system uses equal length of 50 ohm feed line from th; /archives//html/Towertalk/2009-03/msg00795.html (8,497 bytes)
10. Re: [TowerTalk] Stacking Antennas (score: 1): Author: Nathaniel Lee <n1bnc@yahoo.com>; Date: Thu, 26 Mar 2009 12:24:43 -0700 (PDT); Maybe it is just me but given the cost of the Rohn 45 and Phillystran, why not have the same model beams on the tower? There was an article in the recent NCJ that talked about stacking odd or differe; /archives//html/Towertalk/2009-03/msg00796.html (9,594 bytes)
11. Re: [TowerTalk] Stacking Antennas (score: 1): Author: "Jimmy O. Floyd" <nq4u@mtars.org>; Date: Thu, 26 Mar 2009 14:35:39 -0500; I must not be seeing all of the e-mail responses to my query....... Sorry folks and if you ask a question and I do not respond please send direct. Nat, in answer to your question..... We may end up b; /archives//html/Towertalk/2009-03/msg00797.html (10,806 bytes)
12. Re: [TowerTalk] Stacking Antennas (score: 1): Author: "Dave Johnson" <djohnson@windstream.net>; Date: Thu, 26 Mar 2009 15:16:39 -0400; You said "stack match". If you are talking about the Array Solutions Stack Match, you may want to check with Jay about using 75 ohm feed line. His system uses equal length of 50 ohm feed line from th; /archives//html/Towertalk/2009-03/msg00798.html (10,032 bytes)
13. Re: [TowerTalk] Stacking Antennas (score: 1): Author: "Jorge Diez - CX6VM" <cx6vm.jorge@adinet.com.uy>; Date: Thu, 26 Mar 2009 16:50:52 -0300; You can stack similar antennas, either a yagi with a delta loop. BUT...... ...the better performance will be with equal antennas in the same tower, with the separation provided by the manufacturer, a; /archives//html/Towertalk/2009-03/msg00800.html (12,178 bytes)
14. Re: [TowerTalk] Stacking Antennas (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Thu, 26 Mar 2009 16:23:06 -0400; A couple of things -- If you are using 75-ohm hardline, you may want to use it only for the run to the base of the tower. If you trim the hardline so that it is an electrical multiple of a half wave; /archives//html/Towertalk/2009-03/msg00801.html (11,773 bytes)
15. Re: [TowerTalk] Stacking Antennas (score: 1): Author: "W0MU Mike Fatchett" <w0mu@w0mu.com>; Date: Thu, 26 Mar 2009 17:36:16 -0600; And sometimes it is nice to be able to fire off some RF in a couple of different directions. CC Packet Cluster W0MU-1 W0MU.NET or 67.40.148.194 "A slip of the foot you may soon recover, but a slip of; /archives//html/Towertalk/2009-03/msg00808.html (12,923 bytes)
16. Re: [TowerTalk] Stacking Antennas (score: 1): Author: "Michael Ryan" <mryan001@tampabay.rr.com>; Date: Thu, 26 Mar 2009 23:44:45 -0400; Bill, When I lived in Manassas, Va back in the 90's I had 160ft Rohn 45 with 18ft of mast out of the top. I had three HyGain 204BAs, 4 over 4 over 4 on that tower with a custom made switching system; /archives//html/Towertalk/2009-03/msg00812.html (10,566 bytes)
17. Re: [TowerTalk] Stacking Antennas (score: 1): Author: jimlux <jimlux@earthlink.net>; Date: Fri, 27 Mar 2009 06:42:24 -0700; I think a way to summarize this is that stacking dissimilar antennas is trickier (i.e. less predictable from casual analysis) than stacking identical ones. Identical ones have easier analysis math to; /archives//html/Towertalk/2009-03/msg00825.html (9,459 bytes)
18. Re: [TowerTalk] Stacking Antennas (score: 1): Author: Bob Alexander <realex@flash.net>; Date: Fri, 27 Mar 2009 12:34:33 -0500; There is a good article on stacking dissimilar antennas on the array solutions website. w5ah _______________________________________________ _______________________________________________ TowerTalk; /archives//html/Towertalk/2009-03/msg00833.html (10,653 bytes)
19. Re: [TowerTalk] Stacking Antennas (score: 1): Author: Brian Machesney <nekvtster@gmail.com>; Date: Fri, 27 Mar 2009 13:43:37 -0400; Mention was made of simulating with NEC to see what one would get from a particular stack. Assuming the results are not what one wants right out of the gate, how can one optimize the antennas to get; /archives//html/Towertalk/2009-03/msg00835.html (9,409 bytes)
20. Re: [TowerTalk] Stacking Antennas (score: 1): Author: jimlux <jimlux@earthlink.net>; Date: Fri, 27 Mar 2009 11:20:53 -0700; In 4nec2, one could set the model up with the distance between the antennas or the feedline lengths as variables, and then run the optimizer. The challenge with all optimizers is setting up the goal; /archives//html/Towertalk/2009-03/msg00837.html (9,731 bytes)

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