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201. Re: [TowerTalk] non conductive sealant (score: 1): Author: "Tower (K8RI)" <tower@rogerhalstead.com>; Date: Sat, 02 Oct 2004 10:42:34 -0400; FireBrick wrote: Can anyone suggest of brand of sealant that can be used on antennas that's non conductive? I'm thinking about silicone type sealants. I had tested a glob of silicone I had using the; /archives//html/Towertalk/2004-10/msg00028.html (8,959 bytes)
202. Re: [TowerTalk] non conductive sealant (score: 1): Author: "Tower (K8RI)" <tower@rogerhalstead.com>; Date: Sat, 02 Oct 2004 15:18:15 -0400; Julio Peralta wrote: I've been using a product called STUFF it's a Dielectric water proofing filler. You flood the inner parts of the connector and the threads. When you screw the connector on the ST; /archives//html/Towertalk/2004-10/msg00041.html (9,528 bytes)
203. Re: [TowerTalk] Wilson 5 element 20 meter monobander (score: 1): Author: "Tower (K8RI)" <tower@rogerhalstead.com>; Date: Sat, 09 Oct 2004 16:33:34 -0400; The old KLM was 5 L on a 42 foot boom and I thought it worked well. At least it worked well enough that I was happy. Roger (K8RI) Ted Bryant wrote: Tim and Jim are correct. A 40-ft boom on 20M is a l; /archives//html/Towertalk/2004-10/msg00156.html (10,645 bytes)
204. Re: [TowerTalk] (no subject) (score: 1): Author: "Tower (K8RI)" <tower@rogerhalstead.com>; Date: Mon, 11 Oct 2004 02:39:36 -0400; Try a thin layer of either vinyl paint or Silastic RTV with sand mixed in. Not a lot of sand, but enough to help grip. They do this with sand and epoxy paint on garage floors. Roger Joe Barnes wrote:; /archives//html/Towertalk/2004-10/msg00202.html (8,614 bytes)
205. Re: [TowerTalk] RE: [Antennas] coax 'sweet lenght' (score: 1): Author: "Tower (K8RI)" <tower@rogerhalstead.com>; Date: Mon, 11 Oct 2004 10:36:45 -0400; Thanks Tom, I like that plain language description with the examples. I've known it works that way for years, but I never bothered to put any figures with it. Roger (K8RI) Tom Rauch wrote: <snip> SWR; /archives//html/Towertalk/2004-10/msg00212.html (10,217 bytes)
206. Re: [TowerTalk] Replacing coax question (score: 1): Author: "Tower (K8RI)" <tower@rogerhalstead.com>; Date: Mon, 11 Oct 2004 18:13:36 -0400; There are still more possibilities. One is to use LMR-400 flex all the way. It would still have less loss than regular or foam RG-8. The flex version of LMR-400 is about the same loss as 9913 and it; /archives//html/Towertalk/2004-10/msg00233.html (8,209 bytes)
207. Re: [TowerTalk] Replacing coax question (score: 1): Author: "Tower (K8RI)" <tower@rogerhalstead.com>; Date: Tue, 12 Oct 2004 14:18:59 -0400; Why not use a single piece of LMR-400 flex? It'd have still less loss and I believe it's cheaper than 213. As for splices, I use the flooded heat shrink and have not had any failures (leaks) so far.; /archives//html/Towertalk/2004-10/msg00245.html (10,799 bytes)
208. Re: [TowerTalk] Disturbing tower picture in QST (score: 1): Author: "Tower (K8RI)" <tower@rogerhalstead.com>; Date: Wed, 13 Oct 2004 13:11:37 -0400; Michael Urich wrote: On Tue, 12 Oct 2004 21:42:59 -0700, Jim Lux <jimlux@earthlink.net> wrote: It's well known that the editing of QST, particularly images, doesn't really take into account such thin; /archives//html/Towertalk/2004-10/msg00313.html (12,509 bytes)
209. [TowerTalk] Speaking of wood supports (score: 1): Author: "Tower (K8RI)" <tower@rogerhalstead.com>; Date: Wed, 13 Oct 2004 18:27:58 -0400; The note on using a wood Gin pole jogged a very old memory. Wayyyy back when I was first licensed, I built a simple A-frame out of 2 X 4s (when they were really 2X4s). It was multiple layers for rein; /archives//html/Towertalk/2004-10/msg00321.html (8,493 bytes)
210. Re: [TowerTalk] Shields (score: 1): Author: "Tower (K8RI)" <tower@rogerhalstead.com>; Date: Wed, 13 Oct 2004 20:01:32 -0400; VR2BrettGraham wrote: <snip> With all the energy floating around hilltops, any diode action anywhere is bound to bring grief. Certainly sounds like the mechanism here & going to better shielded cable; /archives//html/Towertalk/2004-10/msg00324.html (9,498 bytes)
211. Re: [TowerTalk] Shields (score: 1): Author: "Tower (K8RI)" <tower@rogerhalstead.com>; Date: Wed, 13 Oct 2004 20:03:09 -0400; VR2BrettGraham wrote: <snip> With all the energy floating around hilltops, any diode action anywhere is bound to bring grief. Certainly sounds like the mechanism here & going to better shielded cable; /archives//html/Towertalk/2004-10/msg00325.html (9,605 bytes)
212. Re: [TowerTalk] Shields (score: 1): Author: "Tower (K8RI)" <tower@rogerhalstead.com>; Date: Wed, 13 Oct 2004 21:30:14 -0400; Tom Rauch wrote: At any rate, running a tad over 100 watts into the Heliax with the base of the antenna at roughly 90 feet, you could walk up to any of the guy lines near the anchors and completely w; /archives//html/Towertalk/2004-10/msg00327.html (12,065 bytes)
213. Re: [TowerTalk] BPL (score: 1): Author: "Tower (K8RI)" <tower@rogerhalstead.com>; Date: Thu, 14 Oct 2004 16:23:52 -0400; I wonder why everyone is for BPL except those who understand it? Jim Miller wrote: Wonder how much the BPL folks have contributed to their campaigns. 73, Jim KG0KP -- Original Message -- From: "Alan; /archives//html/Towertalk/2004-10/msg00344.html (9,354 bytes)
214. Re: [TowerTalk] BPL (score: 1): Author: "Tower (K8RI)" <tower@rogerhalstead.com>; Date: Thu, 14 Oct 2004 18:16:22 -0400; And it's a done deal. I just received a note the FCC ruled on it today. Roger (K8RI) Bob Nielsen wrote: On Thu, Oct 14, 2004 at 04:40:36PM -0400, Tom Rauch wrote: Wonder how much the BPL folks have c; /archives//html/Towertalk/2004-10/msg00351.html (10,452 bytes)
215. Re: [TowerTalk] (no subject) (score: 1): Author: "Tower (K8RI)" <tower@rogerhalstead.com>; Date: Thu, 14 Oct 2004 22:55:49 -0400; Two things that might put a positive spin on this are the change in fiber optics regulations and the requirement BPL equipment be certified rather than verified. Fiber optics is far superior to BPL a; /archives//html/Towertalk/2004-10/msg00377.html (11,067 bytes)
216. Re: [TowerTalk] Re: Tower Talk BPL (score: 1): Author: "Tower (K8RI)" <tower@rogerhalstead.com>; Date: Thu, 14 Oct 2004 22:59:06 -0400; If you had bashed BOTH sides, then you would have gotten no argument from me. Actually, bot sides have come out in favor of BPL. The way I read it each is trying to sound more in favor than the other; /archives//html/Towertalk/2004-10/msg00378.html (8,051 bytes)
217. Re: [TowerTalk] Guy Grips (score: 1): Author: "Tower (K8RI)" <tower@rogerhalstead.com>; Date: Sat, 16 Oct 2004 15:45:05 -0400; The cable is pulled taught, then starting at the thimble end the "big grip" is wound over the cable doing one turn on each side at a time. Actually the "Big Grips" used on Phillystrand do the first 3; /archives//html/Towertalk/2004-10/msg00431.html (8,170 bytes)
218. Re: [TowerTalk] Vertcal Dipole (score: 1): Author: "Tower (K8RI)" <tower@rogerhalstead.com>; Date: Sun, 17 Oct 2004 13:05:34 -0400; K0PYK wrote: Tower Talk'ers, Has any made a vertical dipole (lets say for 20 meters) where it is end fed with coax. I will try and explain my thoughts; Yes, but it was quite some time ago. When using; /archives//html/Towertalk/2004-10/msg00458.html (10,932 bytes)
219. Re: [TowerTalk] Hygain TH-5 Mark I (score: 1): Author: "Tower (K8RI)" <tower@rogerhalstead.com>; Date: Sun, 17 Oct 2004 19:06:11 -0400; I get 225 kHz between 1.4:1 points. 14.3 to 14.075. The entire band is under 1.5:1 with the lowest spot being 1.2:1. Seems to work fine with the legal limit. No loading problems with both the fb and; /archives//html/Towertalk/2004-10/msg00468.html (8,143 bytes)
220. Re: [TowerTalk] Location of remote antenna switch (score: 1): Author: "Tower (K8RI)" <tower@rogerhalstead.com>; Date: Sun, 17 Oct 2004 23:03:32 -0400; Craig Sande wrote: I would like to feed several antennas on a crank-up tower. Where is the best location for a remote antenna switch, at the base or top of the tower? Mine is located about 12 feet be; /archives//html/Towertalk/2004-10/msg00478.html (8,576 bytes)

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