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References: [ +from:fisher@hp-and2.an.hp.com: 99 ]

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61. Years of use on coax (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Wed, 16 Oct 1996 08:48:19 -0400; I'd just go by the measured loss, not age. The condition of coax is a function of environment, including UV exposure, temperature and humidity extremes, chemical environment (pH, acid rain, bug spray; /archives//html/Towertalk/1996-10/msg00200.html (7,003 bytes)
62. will two KT34A's make an XA? (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Mon, 21 Oct 1996 09:35:15 -0400; Two KT-34A's do not EXACTLY and KT-34XA make. The contents of an XA upgrade kit are, approximately: about 16 feet of boom one additional tri-resonant element one ten-meter element w/ no traps truss a; /archives//html/Towertalk/1996-10/msg00269.html (7,166 bytes)
63. mast (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Mon, 21 Oct 1996 09:40:40 -0400; 1. Schedule 80 pipe, or any kind of water pipe, is not spec'd for yield strength, so there's no way to analyze the case to see if it's strong enough. 2. Going to 2" nominal (2.4" O.D.) will GREATLY i; /archives//html/Towertalk/1996-10/msg00270.html (7,205 bytes)
64. Temporry tower help... (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Wed, 4 Sep 1996 08:52:59 -0400; Tom I don't have any specific advice on towers, but for a second MS antenna, I'd recommend a quad with a switch to select the driven element. The quad has pretty light wind loading, and with the swit; /archives//html/Towertalk/1996-09/msg00035.html (6,394 bytes)
65. Linear-loaded 160m sloper? (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Thu, 5 Sep 1996 09:19:08 -0400; Thanks, Alan! I'll go to the club library and get the QST article. Right now, my 160 antenna is a quarter wave sloper, fed against the tower at the 70 foot height. It's far from optimum, but it gets; /archives//html/Towertalk/1996-09/msg00046.html (6,882 bytes)
66. Wind area of mast. (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Thu, 5 Sep 1996 12:16:46 -0400; Gene If you're going to do much of this type of calculation, I can't recommend Dave Leeson's book highly enough. It will lead you through many such calculations, and includes the Cd factors etc. you; /archives//html/Towertalk/1996-09/msg00049.html (6,942 bytes)
67. Anchor bolts? (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Fri, 6 Sep 1996 09:00:53 -0400; Instead of bolts, you might try threaded rod. I got some which was spec'd and certified Grade 7 from Metal & Cable Corp, Inc. in Twinsburg OH. They usually have a booth at Dayton and sell all sorts o; /archives//html/Towertalk/1996-09/msg00056.html (6,664 bytes)
68. Where to point antennas in storm? (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Fri, 6 Sep 1996 09:46:57 -0400; The answer is there's no simple answer. From the perspective of the rotator, you'd want to point the antenna in a direction that results in minimum rotating moment. Both the boom and the elements of; /archives//html/Towertalk/1996-09/msg00059.html (7,620 bytes)
69. FORCE 12 Info (or lack of) (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Mon, 16 Sep 1996 08:42:33 -0400; Ben I picked up a catalog from Force 12 at Dayton that seems to include all the info you need. Send me a big SASE; I'll copy it and drop it in the mail to you. Also, for free, I'll be happy to tell y; /archives//html/Towertalk/1996-09/msg00118.html (7,164 bytes)
70. T2XD rotor and the DCU-1 controler (HyGain) (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Fri, 20 Sep 1996 09:08:29 -0400; Waldemar, DK3VN writes about the inaccuracy of the DCU-1 when used with the T2X... I haven't tried this combination, but I have some experience with the T2X when used with automatic positioning. (See; /archives//html/Towertalk/1996-09/msg00154.html (8,437 bytes)
71. Yagi Resonance (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Mon, 23 Sep 1996 09:18:19 -0400; Matt Don't worry about it! If you're talking about a Cushcraft 40-2CD, just assemble it to the magic dimension, which is halfway between MID and CW. This will give you better than 2:1 SWR from 7.0 to; /archives//html/Towertalk/1996-09/msg00176.html (6,927 bytes)
72. Cement curing time.... (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Thu, 26 Sep 1996 08:24:41 -0400; My building inspector told me wait three days before removing the forms; full cure is about 3 weeks... -Tony, K1KP, fisher@hp-and2.an.hp.com -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html; /archives//html/Towertalk/1996-09/msg00207.html (7,182 bytes)
73. Insulating the terminal strip on a T2X (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Sun, 29 Sep 1996 19:19:31 -0400; I used Dow Corning Silicone - The special RTV stuff for electronics, not your basic bathtub goo - and it came off beautifully in one piece three years later (on purpose); the screws were fine. -Tony,; /archives//html/Towertalk/1996-09/msg00241.html (7,562 bytes)
74. Rohn 55 vs 45 vs 25 (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Thu, 1 Aug 1996 09:47:01 -0400; I just ordered a full body fall arrest harness from Tower-Tech. I'll report my impressions on it here as soon as I try it out... -Tony, K1KP, fisher@hp-and2.an.hp.com; /archives//html/Towertalk/1996-08/msg00008.html (6,772 bytes)
75. Overturning force, rohn 45G? (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Mon, 5 Aug 1996 09:26:24 -0400; My best advice to Tony is to buy the W6QHS book on physical design of yagi antennas. Dave goes through several analyses with enough examples to allow the reader to duplicate the calculations. Dave al; /archives//html/Towertalk/1996-08/msg00047.html (6,617 bytes)
76. Guy Wire Spacing (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Mon, 5 Aug 1996 12:55:59 -0400; Hi Will I did a similar short-guying thing on my tower. I was too close to a property line on one guy. Under the advice of a PE, I did the following: The tower was 70 feet of Rohn 45. The Rohn book c; /archives//html/Towertalk/1996-08/msg00051.html (7,070 bytes)
77. Wasps (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Wed, 7 Aug 1996 10:20:21 -0400; ... maybe it was the spit, not the tenderizer!! -Tony, K1KP, fisher@hp-and2.an.hp.com; /archives//html/Towertalk/1996-08/msg00072.html (7,299 bytes)
78. T2X turning problem (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Mon, 19 Aug 1996 08:43:14 -0400; Bill You've discovered the 'sticky brake' syndrome. T2X's have this problem, as the brake wedge fails to retract if there is torque applied when you try to release the brake. Interesting to note that; /archives//html/Towertalk/1996-08/msg00173.html (7,328 bytes)
79. Bracketing a self-supporting tower. (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Tue, 20 Aug 1996 11:03:23 -0400; It's time for a reality check here. 40' of Rohn 25G is NOT self supporting! Without proper professional analysis, I would not add a bracket to a tower which was truly self-supporting. Adding the brac; /archives//html/Towertalk/1996-08/msg00183.html (7,240 bytes)
80. Stacking TH-7 & TH-5 (score: 1): Author: fisher@hp-and2.an.hp.com (Tony Brock-Fisher); Date: Wed, 28 Aug 1996 12:34:06 -0400; I'd have a couple of concerns about what you proposed on stacking the TH-7, TH-5, and TH-3 as follows, Larry: 1. Stacking works because signals arriving at the two antennas add in phase and are of ap; /archives//html/Towertalk/1996-08/msg00263.html (7,297 bytes)

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