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References: [ +from:nielsen@oz.net: 172 ]

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21. [Towertalk] Climbing Masts (score: 1): Author: nielsen@oz.net (Bob Nielsen); Date: Tue, 26 Nov 2002 15:19:00 -0800; My wife won't even look when I climb on the (single-story) roof.... -- Bob Nielsen, N7XY n7xy@n7xy.net Bainbridge Island, WA IOTA NA-065, USI WA-028S; /archives//html/Towertalk/2002-11/msg00722.html (10,905 bytes)
22. [Towertalk] Crankup Tubular "Towers" (score: 1): Author: nielsen@oz.net (Bob Nielsen); Date: Fri, 4 Oct 2002 10:15:02 -0700; When I lived in the Los Angeles area, we had a club at work which put up a 40 ft tubular tower with a HAM-3(?) rotator and TH6DXX (also a ringo ranger 5 ft above the yagi). The tower was roof-mounted; /archives//html/Towertalk/2002-10/msg00152.html (10,123 bytes)
23. [Towertalk] yagi spacings (score: 1): Author: nielsen@oz.net (Bob Nielsen); Date: Tue, 15 Oct 2002 09:59:00 -0700; A 2-3/4 mast won't fit through the tube of a 25G tapered section. The M2 web site doesn't give dimensions, but says a 2800 will fit inside 25G. Installation might be "interesting" however. One proble; /archives//html/Towertalk/2002-10/msg00500.html (8,666 bytes)
24. [Towertalk] yagi spacings (score: 1): Author: nielsen@oz.net (Bob Nielsen); Date: Tue, 15 Oct 2002 19:38:56 -0700; You are correct--that data was for a 40 foot tower with the guys at 35 feet. I misread the graph from the Rohn website, displayed in Acrobat and rotated 90 degrees. 73, Bob, N7XY; /archives//html/Towertalk/2002-10/msg00511.html (7,914 bytes)
25. [Towertalk] lmr 400 question (score: 1): Author: nielsen@oz.net (Bob Nielsen); Date: Fri, 18 Oct 2002 12:15:39 -0700; I'd be a bit hesitant about flexing LMR-400 very much, as it has a center conductor of copper-clad aluminum. I recently replaced a number of electrical outlets in my house (built in 1974) which were; /archives//html/Towertalk/2002-10/msg00594.html (8,750 bytes)
26. [Towertalk] Guys with a mast (score: 1): Author: nielsen@oz.net (Bob Nielsen); Date: Sat, 19 Oct 2002 16:00:34 -0700; I suspect that would only work until the wind started blowing. :-( Have you looked into one of the shorter telescoping towers, such as the Force 12 LPT series (available with 6', 8' or 12' sections); /archives//html/Towertalk/2002-10/msg00646.html (7,476 bytes)
27. [Towertalk] LMR400 vs. RG-213 (score: 1): Author: nielsen@oz.net (Bob Nielsen); Date: Mon, 21 Oct 2002 19:32:03 -0700; RG-213 has a non-contaminating jacket, not a direct burial jacket. As I recall it is practically identical to one of the RG-8 versions and I would expect that the loss figures are identical. In this; /archives//html/Towertalk/2002-10/msg00700.html (8,551 bytes)
28. [Towertalk] LMR400 vs. RG-213 (score: 1): Author: nielsen@oz.net (Bob Nielsen); Date: Mon, 21 Oct 2002 22:06:41 -0700; It IS confusing. MIL-SPEC RG-8/U had a polyethylene dielectric, the same as MIL-SPEC RG-213. I recall that the original had a contaminating PVC jacket, but I think there was a later version which had; /archives//html/Towertalk/2002-10/msg00703.html (9,389 bytes)
29. [Towertalk] guying tolerance (score: 1): Author: nielsen@oz.net (Bob Nielsen); Date: Thu, 24 Oct 2002 09:56:19 -0700; The key consideration is that the vector sum of the horizontal forces on the tower from the guys is zero, so one will end up with unequal tension in the guys. The use of a tension gauge such as the o; /archives//html/Towertalk/2002-10/msg00753.html (8,017 bytes)
30. [Towertalk] Mast Coupler (score: 1): Author: nielsen@oz.net (Bob Nielsen); Date: Wed, 11 Sep 2002 09:46:47 -0700; An appropriate location for this, since Dave Leeson is a Caltech grad. Bob, N7XY -- Bob Nielsen, N7XY n7xy@n7xy.net Bainbridge Island, WA IOTA NA-065, USI WA-028S; /archives//html/Towertalk/2002-09/msg00386.html (11,466 bytes)
31. [Towertalk] Need Antenna Advice! (score: 1): Author: nielsen@oz.net (Bob Nielsen); Date: Sat, 14 Sep 2002 10:34:26 -0700; I believe the length of the fiberglass tubes is constant and the copper ribbon elements inside the tubes move in and out, so this would not be a factor. I haven't actually seen it from closer than 10; /archives//html/Towertalk/2002-09/msg00483.html (11,350 bytes)
32. [Towertalk] vertical mast to vertical mounting hardware? (score: 1): Author: nielsen@oz.net (Bob Nielsen); Date: Tue, 27 Aug 2002 18:58:22 -0700; I'll second that recommendation. I recently installed a Hy-Gain AV-640 and the mounting clamps had inadvertently been left out of the box (I called and they said they would send some, but after sever; /archives//html/Towertalk/2002-08/msg00750.html (8,173 bytes)
33. [Towertalk] Hygain 2 el.40 mtr manual (score: 1): Author: nielsen@oz.net (Bob Nielsen); Date: Mon, 22 Jul 2002 16:29:39 -0700; Hy-Gain has not yet made the manuals available on their web site, but if you call them, they will send you a copy. 73, Bob N7XY; /archives//html/Towertalk/2002-07/msg00604.html (7,019 bytes)
34. [Towertalk] Insuring Antenna @ Remote Site (score: 1): Author: nielsen@oz.net (Bob Nielsen); Date: Fri, 26 Jul 2002 19:59:22 -0700; The ARRL insurance covers both individuals and affiliated clubs. The application form has a place for "other location where equipment is kept," so that should cover this type of situation. You can ca; /archives//html/Towertalk/2002-07/msg00735.html (8,964 bytes)
35. [Towertalk] Tribander identification (score: 1): Author: nielsen@oz.net (Bob Nielsen); Date: Tue, 4 Jun 2002 09:16:54 -0700; It seems like I'm not the only one with memory problems around here! As I recall, Hy-gain made beams with ribbed traps and beams with loops at the ends of the elements, but I don't remember any with; /archives//html/Towertalk/2002-06/msg00034.html (8,033 bytes)
36. [Towertalk] Guess I'm pretty DUH! (score: 1): Author: nielsen@oz.net (Bob Nielsen); Date: Thu, 2 May 2002 11:05:29 -0700; Well there is another way... If you set your mail reader to display all headers, you will see the following: List-Unsubscribe: <http://lists.contesting.com/mailman/listinfo/towertalk>, <mailto:towert; /archives//html/Towertalk/2002-05/msg00048.html (7,216 bytes)
37. [Towertalk] ma550 (score: 1): Author: nielsen@oz.net (Bob Nielsen); Date: Thu, 2 May 2002 14:03:52 -0700; When I lived in So. Calif., we had a club where I worked that put up a MA-40 on top of one of the buildings (actually on the landing of a roofhouse with the MA-40 secured to the building at about 10; /archives//html/Towertalk/2002-05/msg00058.html (9,274 bytes)
38. [Towertalk] Questionnaire (score: 1): Author: nielsen@oz.net (Bob Nielsen); Date: Sun, 19 May 2002 16:30:13 -0700; Ron, I think what is happening is that the list software filters out non-text content and adds these lines to explain what it happening. Personally, I wish all lists would do that (I use mutt, which; /archives//html/Towertalk/2002-05/msg00493.html (7,817 bytes)
39. [Towertalk] re: K7LXC (score: 1): Author: nielsen@oz.net (Bob Nielsen); Date: Thu, 23 May 2002 09:54:12 -0700; Oh that one. It's the warm-up for the ARCI Hootowl sprint, isn't it? (http://personal.palouse.net/rfoltz/arci/hoot.htm for the uninformed.) n7xy; /archives//html/Towertalk/2002-05/msg00653.html (7,375 bytes)
40. [Towertalk] Guys for vertical (score: 1): Author: nielsen@oz.net (Bob Nielsen); Date: Thu, 11 Apr 2002 10:22:49 -0700; I'm seen a lot of discussion here about guys and anchors for towers, but was wondering what would be suitable for guying a quarter-wave 40 meter vertical. I figure it should be some non-conductive ma; /archives//html/Towertalk/2002-04/msg00372.html (7,183 bytes)

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