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Total 49 documents matching your query.

21. [TowerTalk] antenna height (score: 1): Author: Todd Ruby <rubywine@verizon.net>; Date: Sun, 30 Jul 2006 19:44:36 -0400; Jim Lux and others have given out a lot of valuable info to store on the hard drive as far as I am concerned. Thanks! Frank, W3LPL, told me if i had one tower to put up make it 100'. Every time I cam; /archives//html/Towertalk/2006-07/msg00893.html (6,598 bytes)
22. Re: [TowerTalk] antenna height (score: 1): Author: Cqtestk4xs@aol.com; Date: Sun, 30 Jul 2006 21:55:36 EDT; Frank, W3LPL, told me if i had one tower to put up make it 100'. Every time I came up with a scenario or anecdote from someone, his answer was the same,"100 feet". ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~; /archives//html/Towertalk/2006-07/msg00895.html (7,041 bytes)
23. [TowerTalk] antenna height (score: 1): Author: <john@kk9a.com>; Date: Mon, 31 Jul 2006 10:07:55 -0400; You may not feel the same in five years. 100' is a good for 20m most of the time but not for 10m during a sunspot maximum, where 30' to 40' may be significantly better. John KK9A Jim Lux and others h; /archives//html/Towertalk/2006-07/msg00905.html (7,549 bytes)
24. Re: [TowerTalk] antenna height (score: 1): Author: "RICHARD BOYD" <ke3q@msn.com>; Date: Mon, 31 Jul 2006 10:12:11 -0400; And more than once I've heard guys say a 15' or 18' or 25' high antenna on 10M at the peak of the sunspot cycle is noticeably their best Europe run antenna from the East Coast of the U.S. 73 - Rich,; /archives//html/Towertalk/2006-07/msg00906.html (8,889 bytes)
25. [TowerTalk] antenna height (score: 1): Author: "Merlin-7 KI4ILB" <merlin-7@sc.rr.com>; Date: Tue, 28 Nov 2006 17:22:06 -0000; I know that your antennas need to be at least 1/4 wave from the ground but do you lose anything or not gain anything by going to to high? If so please explain... Thanks Joe __________________________; /archives//html/Towertalk/2006-11/msg00809.html (6,592 bytes)
26. [TowerTalk] antenna height (score: 1): Author: "Merlin-7 KI4ILB" <merlin-7@sc.rr.com>; Date: Tue, 28 Nov 2006 18:59:23 -0000; Thanks dave Right now I am running an inverted vs. fan dipole with 3 elements for everything from 10 to 160 with a tuner at 40 feet. I will be changing my qth next year sometime and am planning on pu; /archives//html/Towertalk/2006-11/msg00813.html (8,645 bytes)
27. [TowerTalk] antenna height (score: 1): Author: "Merlin-7 KI4ILB" <merlin-7@sc.rr.com>; Date: Tue, 28 Nov 2006 20:17:08 -0000; I was looking at rohn 45 for the simple fact that the difference in price between 45 and 25 is really not that great after you factor in the concreate costs etc. And it it much nicer to climb. I was; /archives//html/Towertalk/2006-11/msg00814.html (7,297 bytes)
28. Re: [TowerTalk] antenna height (score: 1): Author: Bill Turner <dezrat@copper.net>; Date: Tue, 28 Nov 2006 17:26:44 -0800; ORIGINAL MESSAGE: -- REPLY FOLLOWS -- Changing the height affects the optimum "takeoff angle". Antennas relatively low to the ground radiate most of their power straight up or nearly so, but that can; /archives//html/Towertalk/2006-11/msg00816.html (8,137 bytes)
29. [TowerTalk] Antenna Height (score: 1): Author: trife@sirus.com; Date: Wed, 18 Apr 2007 13:58:20 -400; TT'ians, I am planning to replace a cushcraft A3WS that has a failed trap this spring. It is mounted 10 feet above a 50 foot 25g tower along with an A3S just above the tower top. As I got to thinking; /archives//html/Towertalk/2007-04/msg00344.html (7,978 bytes)
30. [TowerTalk] antenna height (score: 1): Author: Jim Jarvis <jimjarvis@optonline.net>; Date: Wed, 18 Apr 2007 14:29:10 -0400; Tim, TT: The extra 20' should improve longhaul performance on 20. If it were me, I'd go with a 3 el SteppIR yagi, and get both improved performance and lower windload. The only question would be, how; /archives//html/Towertalk/2007-04/msg00346.html (7,365 bytes)
31. Re: [TowerTalk] Antenna Height (score: 1): Author: David Gilbert <xdavid@cis-broadband.com>; Date: Wed, 18 Apr 2007 12:26:59 -0700; The terrain modeling program HFTA, written by N6BV and available free with 20th edition of the ARRL Antenna Book, will plot the takeoff lobe for various antennas over whatever terrain profile you spe; /archives//html/Towertalk/2007-04/msg00350.html (8,660 bytes)
32. [TowerTalk] Antenna Height (score: 1): Author: <john@kk9a.com>; Date: Wed, 18 Apr 2007 20:09:11 -0400; 20m will likely benefit slightly from the extra height, however 10m will likely worsen, especially when conditions improve in a few years. TT'ians, I am planning to replace a cushcraft A3WS that has; /archives//html/Towertalk/2007-04/msg00356.html (8,068 bytes)
33. Re: [TowerTalk] Antenna Height (score: 1): Author: K7LXC@aol.com; Date: Wed, 18 Apr 2007 22:15:59 EDT; spring. It is mounted 10 feet above a 50 foot 25g tower along with an A3S just above the tower top. As I got to thinking about it, since I would be doing some antenna work, might as well replace the; /archives//html/Towertalk/2007-04/msg00357.html (10,119 bytes)
34. [TowerTalk] ANTENNA HEIGHT (score: 1): Author: <k2drn.cw@verizon.net>; Date: Sat, 08 Mar 2008 19:33:36 -0500; i currently use a multiband 133' dipole for HF dx and want to go to a tower with a 10 thru 30 meter yagi, maybe a steppir. My property is loaded with ash trees approx 60 to 70 ft tall. will the trees; /archives//html/Towertalk/2008-03/msg00135.html (6,658 bytes)
35. Re: [TowerTalk] ANTENNA HEIGHT (score: 1): Author: Edward Sylvester <navydude1962@yahoo.com>; Date: Sat, 8 Mar 2008 17:05:41 -0800 (PST); I think a quad will work better for you, if you intend to keep the antenna below the treetops.... 73, Ed NI6S _______________________________________________ _________________________________________; /archives//html/Towertalk/2008-03/msg00136.html (8,214 bytes)
36. Re: [TowerTalk] ANTENNA HEIGHT (score: 1): Author: Joe <joe@wd0m.com>; Date: Sat, 08 Mar 2008 18:06:32 -0700; My 4L SteppIR is at treetop level - on a 55 foot tower. I've worked 307 entities in about 4 years - SWR is flat across the bands, including 40, and 30M is about 1.5 or so to 1. A SteppIR will work wo; /archives//html/Towertalk/2008-03/msg00137.html (8,276 bytes)
37. Re: [TowerTalk] ANTENNA HEIGHT (score: 1): Author: "Mike, K6BR" <noddy1211@sbcglobal.net>; Date: Sat, 8 Mar 2008 17:16:46 -0800; Have 3 element Steppir, it will work well for you. Mine has survived 3 years of high winds and Micro Bursts, which is more than can be said of my rotators and Masts:-) Mike --Original Message-- My 4L; /archives//html/Towertalk/2008-03/msg00138.html (8,731 bytes)
38. Re: [TowerTalk] ANTENNA HEIGHT (score: 1): Author: Edward Sylvester <navydude1962@yahoo.com>; Date: Sat, 8 Mar 2008 17:18:08 -0800 (PST); My opinion is that, at treetop level, you will be ok with a Steppir, as the take off angles will be high enough to miss the trees....But if you are well below (50' tower below 70' trees), you will si; /archives//html/Towertalk/2008-03/msg00139.html (8,689 bytes)
39. Re: [TowerTalk] ANTENNA HEIGHT (score: 1): Author: "Jim Chaggaris" <jimc@pwrone.com>; Date: Sat, 8 Mar 2008 20:27:29 -0600; Having an antenna below the tree tops will have no affect whatsoever on the frequencies you intend to operate. Higher is always better (in most circumstances). It only really becomes a factor when yo; /archives//html/Towertalk/2008-03/msg00140.html (9,131 bytes)
40. Re: [TowerTalk] ANTENNA HEIGHT (score: 1): Author: Cqtestk4xs@aol.com; Date: Sat, 8 Mar 2008 23:49:33 EST; I think a quad will work better for you, if you intend to keep the antenna below the treetops.... 73, Ed NI6S Why? Bill K4XS/KH7XS **It's Tax Time! Get tips, forms, and advice on AOL Money & Finance.; /archives//html/Towertalk/2008-03/msg00145.html (7,688 bytes)

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