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81. [TowerTalk] ROUTING CABLES AT THE TOP OF ROHN 25AG4 TOP SECTION (score: 1): Author: k1vr@juno.com (Fred Hopengarten); Date: Wed, 12 May 1999 21:39:10 EDT; K1VR: Yes. You might consider getting some small i.d. but thick automotive hose to protect the Phillystran. . . . . . . . . ___________________________________________________________________ You don; /archives//html/Towertalk/1999-05/msg00268.html (8,328 bytes)
82. [TowerTalk] Loading Boom for 30 Meters (score: 1): Author: k1vr@juno.com (Fred Hopengarten); Date: Wed, 19 May 1999 10:38:56 EDT; From: n4kg@JUNO.COM (T A RUSSELL) To: TOWERTALK@contesting.com To: <towertalk@contesting.com> Date: 23 Oct 1997 Subject: 40M Boom Dipoles ............................................................; /archives//html/Towertalk/1999-05/msg00311.html (14,124 bytes)
83. [TowerTalk] Acuity (score: 1): Author: k1vr@juno.com (Fred Hopengarten); Date: Thu, 18 Mar 1999 09:01:14 EST; Gentlemen: Dear Fred, 3/16 diameter guy wires become invisible at 54 feet (53.6 ft). "Principles of Television Engineering", D.G. Fink, McGraw-Hill, 1940, p. 32. Apparently this book has a formula in; /archives//html/Towertalk/1999-03/msg00308.html (8,733 bytes)
84. [TowerTalk] fractal antenna (score: 1): Author: k1vr@juno.com (Fred Hopengarten); Date: Wed, 23 Dec 1998 17:43:56 EST; I know Chip (N1IR) quite well, and I've seen the math behind his antenna designs. It is my opinion that he should characterize fractal antennas as providing substantial reduction in size while minimi; /archives//html/Towertalk/1998-12/msg00351.html (10,015 bytes)
85. [TowerTalk] fractal antenna (score: 1): Author: k1vr@juno.com (Fred Hopengarten); Date: Wed, 23 Dec 1998 23:28:58 EST; K1VR: As usual, Tom, you ask the right questions. Of course I define "the right questions" as the ones I ask myself. On Wed, 23 Dec 1998 20:47:09 -0500 "w8ji.tom" <w8ji.tom@MCIONE.com> writes: K1VR:; /archives//html/Towertalk/1998-12/msg00361.html (10,052 bytes)
86. [TowerTalk] TH-3 Cleaning (score: 1): Author: k1vr@juno.com (Fred Hopengarten); Date: Sun, 01 Nov 1998 00:04:07 EST; On Sat, 31 Oct 1998 22:58:22 -0800 Tom Osborne <w7why@mail.coos.or.us> writes: K1VR: Ajax and new green 3M pot scrubbers. K1VR: No. You want to repalce them anyway. K1VR: Yup. But hopefully I'll have; /archives//html/Towertalk/1998-11/msg00008.html (7,743 bytes)
87. [TowerTalk] receiving loop (score: 1): Author: k1vr@juno.com (Fred Hopengarten); Date: Mon, 09 Nov 1998 08:50:20 EST; On Mon, 9 Nov 1998 02:03:00 -0200 "PT2HO - Carlos" <pt2ho@contesting.com> writes: K1VR: I used ordinary white PVC (plastic) plumbing pipe and made a cross. The vertical piece is much longer than the; /archives//html/Towertalk/1998-11/msg00226.html (8,979 bytes)
88. [TowerTalk] Power x RG58 (score: 1): Author: k1vr@juno.com (Fred Hopengarten); Date: Mon, 09 Nov 1998 11:15:37 EST; K1VR: N4KG is talking about Beverage antennas, on the bands where they are useful -- 160 and 80. Signal strength is not the gating factor. The problem to attack is signal to noise ratio, so attenuati; /archives//html/Towertalk/1998-11/msg00234.html (9,966 bytes)
89. [TowerTalk] Soldering outdoors [Summary: LONG] (score: 1): Author: k1vr@juno.com (Fred Hopengarten); Date: Tue, 17 Nov 1998 08:49:58 EST; SUMMARY (LONG) Soldering PL-259 Connectors While High in the Sky Compiled by Fred Hopengarten K1VR as of November 17, 1998 THE ORIGINAL QUESTION I seem to have a flaky PL259 connection at the top of; /archives//html/Towertalk/1998-11/msg00541.html (46,305 bytes)
90. [TowerTalk] TH6DXX Problem? (score: 1): Author: k1vr@juno.com (Fred Hopengarten); Date: Thu, 01 Oct 1998 11:46:58 EDT; On Wed, 30 Sep 1998 23:41:34 -0400 (EDT) Mike Sims <nasfred@1bigred.com> writes: K1VR: The usual problems with a TH6 (whether 15, 20 or 10 meters) are something IN the trap -- or the trap. Here are m; /archives//html/Towertalk/1998-10/msg00011.html (8,522 bytes)
91. [TowerTalk] Change in plans. More questions (score: 1): Author: k1vr@juno.com (Fred Hopengarten); Date: Sun, 04 Oct 1998 19:23:16 EDT; On Sun, 04 Oct 1998 04:31:39 GMT "Rick Bullon" <kc5ajx@hotmail.com> writes: K1VR: If using all new materials, yes. Especially if you value your time. K1VR: NO. The Rohn 45 spec includes some feedline; /archives//html/Towertalk/1998-10/msg00069.html (8,941 bytes)
92. [TowerTalk] TH6 - Remove the Dimple? (score: 1): Author: k1vr@juno.com (Fred Hopengarten); Date: Tue, 06 Oct 1998 23:36:51 EDT; On Tue, 6 Oct 1998 20:07:47 -0400 (EDT) Mike Sims <nasfred@1bigred.com> writes: K1VR: There are two ways and neither of them is delicate nor elegant. The dimples are the problem. 1. You can just whac; /archives//html/Towertalk/1998-10/msg00124.html (8,430 bytes)
93. [TowerTalk] Zoning Law (score: 1): Author: k1vr@juno.com (Fred Hopengarten); Date: Wed, 07 Oct 1998 12:55:37 EDT; For a free primer on zoning law, written in neutral language : www.lawyers.com/site/aboutlaw/x_zoning.html Fred Hopengarten K1VR 781/259-0088 Six Willarch Road Lincoln, MA 01773-5105 permanent e-mail; /archives//html/Towertalk/1998-10/msg00138.html (7,092 bytes)
94. [TowerTalk] Specs (score: 1): Author: k1vr@juno.com (Fred Hopengarten); Date: Sat, 10 Oct 1998 22:21:26 EDT; Mr. Dimitry: Welcome to TowerTalk. This is a very interesting audience you have here. I know that I have two towers, and I've been the lawyer for the installation of more than 50 towers. The rest of; /archives//html/Towertalk/1998-10/msg00246.html (7,952 bytes)
95. [TowerTalk] Re: Munimula masts, a serious question (score: 1): Author: k1vr@juno.com (Fred Hopengarten); Date: Tue, 13 Oct 1998 08:47:42 EDT; K1VR: You, my man, have been lucky. I once had to cut (with a hacksaw) a bent Schedule 40 at the Harvard Wireless Club's station (W1AF) when I was a graduate student and still fearless. It had a CL-3; /archives//html/Towertalk/1998-10/msg00341.html (9,772 bytes)
96. [TowerTalk] T2x rotor (score: 1): Author: k1vr@juno.com (Fred Hopengarten); Date: Thu, 15 Oct 1998 08:34:08 EDT; K1VR: It fits, but just barely. The fit is so close that it cannot be installed after the initial installation without cutting a Z brace. Take down the top section and remount as new, or cut the Z br; /archives//html/Towertalk/1998-10/msg00463.html (8,641 bytes)
97. [TowerTalk] Dead HAM IV Ctrlr Question (score: 1): Author: k1vr@juno.com (Fred Hopengarten); Date: Mon, 19 Oct 1998 23:54:40 EDT; During the ARRL DX CW (multi-single) , I wired a T2X controller in series after a HAM IV controller. I intended to use th trick of plugging both into the same socket and, as needed, turning one off a; /archives//html/Towertalk/1998-10/msg00686.html (8,067 bytes)
98. [TowerTalk] Best wire type antenna for 75m/80m DX coverage (score: 1): Author: k1vr@juno.com (Fred Hopengarten); Date: Tue, 20 Oct 1998 11:09:26 EDT; K1VR: A dipole cut for 3600 and fed with 450 ohm ladder line to an antenna tuner. Will take all the power you can feed it and radiate efficiently on any 80 meter frequency. It will also have gain on; /archives//html/Towertalk/1998-10/msg00712.html (9,463 bytes)
99. [TowerTalk] Dead HAM IV Ctrlr Question (score: 1): Author: k1vr@juno.com (Fred Hopengarten); Date: Tue, 20 Oct 1998 22:14:17 EDT; K1VR: Damn fine idea. First idea that lead somewhere. To get close enough to sniff, I had to really put my face down in the HAM IV controller. Remember how I said earlier that the fuse was OK? Well,; /archives//html/Towertalk/1998-10/msg00746.html (8,097 bytes)
100. [TowerTalk] Invisible Fence (score: 1): Author: k1vr@juno.com (Fred Hopengarten); Date: Tue, 20 Oct 1998 22:14:17 EDT; My backdoor neighbor just installed an "Invisible Fence" (tm) to contain his dog. Does anyone know what frequency this RF system uses? Power output? Does it interfere with ham radio? Will I interfere; /archives//html/Towertalk/1998-10/msg00747.html (8,200 bytes)

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