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101. [TowerTalk] Water in tower (score: 1): Author: aa4lr@arrl.net (Bill Coleman); Date: Mon, 8 Oct 2001 13:31:36 -0400; Not to mention the fact that such holes have no protective layer of galvanizing, and will RUST. Bill Coleman, AA4LR, PP-ASEL Mail: aa4lr@arrl.net Quote: "Not within a thousand years will man ever fly; /archives//html/Towertalk/2001-10/msg00171.html (7,743 bytes)
102. [TowerTalk] Tower height question (score: 1): Author: aa4lr@arrl.net (Bill Coleman); Date: Mon, 8 Oct 2001 19:32:34 -0400; It's not clear that the problem you had originally was due to antenna proximity. It could be that currents were being carried into the shack on the feed or rotator lines, or perhaps from the wiring i; /archives//html/Towertalk/2001-10/msg00180.html (8,984 bytes)
103. [TowerTalk] Fall Protection Suggestion (score: 1): Author: aa4lr@arrl.net (Bill Coleman); Date: Wed, 10 Oct 2001 09:09:08 -0400; Don't you need a double-lanyard system to climb safely to install the fall protection system? Don't you spend the a lot of time on the tower when erecting it? (In which case, the fall protection syst; /archives//html/Towertalk/2001-10/msg00210.html (9,912 bytes)
104. [TowerTalk] NoAlox (score: 1): Author: aa4lr@arrl.net (Bill Coleman); Date: Thu, 6 Sep 2001 16:34:03 -0400; Do you have a Home Depot in you area? They carry it in 8oz bottles with a built-in brush. Bill Coleman, AA4LR, PP-ASEL Mail: aa4lr@arrl.net Quote: "Not within a thousand years will man ever fly!" --; /archives//html/Towertalk/2001-09/msg00231.html (6,994 bytes)
105. [TowerTalk] rebar cages (score: 1): Author: aa4lr@arrl.net (Bill Coleman); Date: Thu, 6 Sep 2001 17:50:47 -0400; That's right. That's probably the easiest way to do it. I don't see where you find the second arrangement. The horizontal rebar is typically one continuous piece. You've obviously never had to cut re; /archives//html/Towertalk/2001-09/msg00241.html (8,129 bytes)
106. [TowerTalk] Tower Up and Operational. (score: 1): Author: aa4lr@arrl.net (Bill Coleman); Date: Mon, 10 Sep 2001 17:06:05 -0400; After reading this list for 7 years (at least, it seems that long), I finally have my first tower up, and operational. Tower is 44 feet of Rohn 25, bracketed at 26 and 18 feet. The mast extends just; /archives//html/Towertalk/2001-09/msg00378.html (8,162 bytes)
107. [TowerTalk] Adjustable lanyard (score: 1): Author: aa4lr@arrl.net (Bill Coleman); Date: Mon, 6 Aug 2001 17:16:58 -0400; I'm just getting started in tower climbing. However, due to a story of a local ham who fell leaving a wife and kids, I'm real cautious. I climb using a full harness, with a fall arrest lanyard clippe; /archives//html/Towertalk/2001-08/msg00112.html (9,068 bytes)
108. [TowerTalk] Cost of 150' Rohn 45G/55G tower system? (score: 1): Author: aa4lr@arrl.net (Bill Coleman); Date: Mon, 6 Aug 2001 17:29:50 -0400; Gosh, some of us are working just as hard to put up a little tribander... (Mine will be at 49', and I'll only have spent about $1K) Bill Coleman, AA4LR, PP-ASEL Mail: aa4lr@arrl.net Quote: "Not withi; /archives//html/Towertalk/2001-08/msg00114.html (8,660 bytes)
109. [TowerTalk] Freestanding Towers (score: 1): Author: aa4lr@arrl.net (Bill Coleman); Date: Tue, 7 Aug 2001 09:18:46 -0400; Ask around. I'm sure your local ham group has someone who has a gin pole. If you ask nice, they'll probably let you borrow it. If you ask really nice, they might even come over and help you put the t; /archives//html/Towertalk/2001-08/msg00138.html (8,099 bytes)
110. [TowerTalk] Voltage or Current Balun? (score: 1): Author: aa4lr@arrl.net (Bill Coleman); Date: Tue, 7 Aug 2001 14:56:57 -0400; I'm in the midst of erecting a tower for my quaint little A3S. In readying the A3S, I need to consider how to add a balun. Cushcraft recommends a coiled coax balun, which I know would work great, and; /archives//html/Towertalk/2001-08/msg00151.html (9,541 bytes)
111. [TowerTalk] optimum height (score: 1): Author: aa4lr@arrl.net (Bill Coleman); Date: Tue, 7 Aug 2001 16:04:09 -0400; I'm sorry, I hate to quibble with the experts, but this doesn't seem reasonable. If I stack two A3S antennas, with a 14 foot boom, that's 3.7 feet? That seems unreasonably close. Or did he mean 3.7*1; /archives//html/Towertalk/2001-08/msg00155.html (7,983 bytes)
112. [TowerTalk] Voltage or Current Balun? (score: 1): Author: aa4lr@arrl.net (Bill Coleman); Date: Tue, 7 Aug 2001 16:42:49 -0400; That's good to know. Also good to know. Exactly the type of information I need. Is this typical of a tribander whose feedpoint impedance is empiracally designed to be about 50 ohms? Why not just wind; /archives//html/Towertalk/2001-08/msg00157.html (9,692 bytes)
113. [TowerTalk] Baluns - Primer and Questions (score: 1): Author: aa4lr@arrl.net (Bill Coleman); Date: Wed, 8 Aug 2001 09:58:17 -0400; I've been doing some research on my balun question from earlier. Consider the following types of 1:1 baluns: A) 10 trifilar turns on a toroidial core. Windings abc connected as follows: a(start) to b; /archives//html/Towertalk/2001-08/msg00183.html (12,349 bytes)
114. [TowerTalk] Voltage or Current Balun? (score: 1): Author: aa4lr@arrl.net (Bill Coleman); Date: Wed, 8 Aug 2001 10:28:32 -0400; Someone else suggested in a direct e-mail to go to the Home Depot electrical and buying a can of Plastic Dip. A bead balun could then be successively dipped in the Plastic Dip to seal and protect it.; /archives//html/Towertalk/2001-08/msg00185.html (9,072 bytes)
115. [TowerTalk] Baluns - Primer and Questions (score: 1): Author: aa4lr@arrl.net (Bill Coleman); Date: Thu, 9 Aug 2001 10:44:21 -0400; These are known as W1JR type baluns. It's not surprising to find them in the R5 and R7, since Joe designed those antennas. W8JI pointed out to me in a private e-mail that this isn't true. In the BEST; /archives//html/Towertalk/2001-08/msg00214.html (10,823 bytes)
116. [TowerTalk] antenna height (score: 1): Author: aa4lr@arrl.net (Bill Coleman); Date: Tue, 28 Aug 2001 12:30:46 -0400; Such rules originate with the FAA, not the FCC. Towers under 200' tall need not be painted, unless they are located near the approach or departure path of an airport. If your tower needs to be painte; /archives//html/Towertalk/2001-08/msg00625.html (8,669 bytes)
117. [TowerTalk] Antenna Masts (score: 1): Author: aa4lr@arrl.net (Bill Coleman); Date: Tue, 28 Aug 2001 12:36:33 -0400; I have an R7000 that has been atop a 1.5" Rigid Conduit for 5 years. It is mounted at 8'. The 10' rigid conduit was extended with a 12" steel pipe nipple and a coupler. The bottom three feet is embed; /archives//html/Towertalk/2001-08/msg00626.html (7,817 bytes)
118. [TowerTalk] Antenna Masts (score: 1): Author: aa4lr@arrl.net (Bill Coleman); Date: Tue, 28 Aug 2001 12:43:33 -0400; EMT is made for bending. It will bend holding up an R7 at any reasonable height. Rigid conduit should be adequate, provided the height isn't terribly great. Yup. That would be a good, inexpensive cho; /archives//html/Towertalk/2001-08/msg00628.html (7,817 bytes)
119. [TowerTalk] Effective Moment/K Force & Yaesu rotators (score: 1): Author: aa4lr@arrl.net (Bill Coleman); Date: Mon, 16 Jul 2001 09:32:10 -0400; Is it that the rotator's only function so long -- or do we hams grossly overload them? I remember asking this question about Amplifiers on the CQ-Contest list some time ago. There seemed to be a big; /archives//html/Towertalk/2001-07/msg00240.html (9,430 bytes)
120. [TowerTalk] Mast coatings (score: 1): Author: aa4lr@arrl.net (Bill Coleman); Date: Mon, 16 Jul 2001 09:32:15 -0400; How did you paint the INSIDE of the mast? Powder coating is one of the toughest finishes you can put on steel. Bill Coleman, AA4LR, PP-ASEL Mail: aa4lr@arrl.net Quote: "Not within a thousand years wi; /archives//html/Towertalk/2001-07/msg00241.html (7,628 bytes)

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