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Total 636 documents matching your query.

181. [TowerTalk] Wilson Monobander (score: 1)
Author: thompson@mindspring.com (thompson@mindspring.com)
Date: Tue, 11 Aug 1998 18:18:20 -0400
couldn't >find any reference to gain, FB or windloading just glancing at it but I'd be >quite surprised it it wasn't there myself! It has a short "boom truss" that >attaches right to the boom, so it
/archives//html/Towertalk/1998-08/msg00310.html (9,705 bytes)

182. [TowerTalk] 80m antenna (score: 1)
Author: thompson@mindspring.com (thompson@mindspring.com)
Date: Thu, 20 Aug 1998 10:39:51 -0400
Many have mounted a 40 or 80 rotory dipole just above another antenna. There have also been write-ups on using the boom either directly or with an extension on the low bands. I would guess that if th
/archives//html/Towertalk/1998-08/msg00598.html (8,554 bytes)

183. [TowerTalk] Cage Antenna Construction Hints? (score: 1)
Author: thompson@mindspring.com (thompson@mindspring.com)
Date: Fri, 28 Aug 1998 00:50:36 -0400
SNIP pipe >>>and cut it on the saw into a ton of short pieces....mebbe 1/2" or so long >>>"pipes" - then attached the wires to one of these spacing them every coupla cat! As you can see below the cag
/archives//html/Towertalk/1998-08/msg00937.html (10,850 bytes)

184. [TowerTalk] More on Bobtails (score: 1)
Author: thompson@mindspring.com (thompson@mindspring.com)
Date: Sat, 29 Aug 1998 00:14:39 -0400
Most of us think of the Bobtail as the 3 vertical wire array fed at the bottom of the center with an LC network. Actually this is a three element or double Bobtail per designer W6BCX. The half square
/archives//html/Towertalk/1998-08/msg00965.html (9,212 bytes)

185. [TowerTalk] Tornado Hit (score: 1)
Author: thompson@mindspring.com (thompson@mindspring.com)
Date: Sun, 30 Aug 1998 13:39:37 -0400
Don't let the insurance company force you into a "bad" settlement. Get the current price for the replacement 5 el long john from hy-gain. This beam is several levels above the average ham beam in con
/archives//html/Towertalk/1998-08/msg01011.html (7,314 bytes)

186. [TowerTalk] tower interaction (score: 1)
Author: thompson@mindspring.com (thompson@mindspring.com)
Date: Mon, 31 Aug 1998 22:37:20 -0400
John Langdon brings up a good point about interaction between antenna elements and the tower. He says the Force 12 C4XL interacts with the Rohn 55G. I know a number of hams that have had this same ty
/archives//html/Towertalk/1998-08/msg01046.html (8,857 bytes)

187. [TowerTalk] Wind Turbine Company (score: 1)
Author: thompson@mindspring.com (thompson@mindspring.com)
Date: Mon, 31 Aug 1998 23:02:28 -0400
Some time ago there was a discussion about Wind Turbine Company of West Chester, PA. I don't know if that company exists any longer (they are not in American Business Information ) but their Trylon t
/archives//html/Towertalk/1998-08/msg01047.html (7,238 bytes)

188. [TowerTalk] KLM-40M4 (score: 1)
Author: thompson@mindspring.com (thompson@mindspring.com)
Date: Thu, 2 Jul 1998 17:04:22 -0400
Ham W4ZR had the 4el KLM as did a local here in Atlanta. My 2el Cushcraft beat them out on a regular basis and is a lot less headache. Dave K4JRB -- FAQ on WWW: http://www.contesting.com/towertalkfaq
/archives//html/Towertalk/1998-07/msg00096.html (8,073 bytes)

189. [TowerTalk] TET antennas/HB9CV type (score: 1)
Author: thompson@mindspring.com (thompson@mindspring.com)
Date: Sat, 4 Jul 1998 01:51:59 -0400
With the discussion of the HB9CV feed system, I found an ad in Ham Radio (May 1984) for TET. TET was a Japanese company imported by Louis N. Anciaux then WB6NMT at Lunar Electronics. They sold single
/archives//html/Towertalk/1998-07/msg00145.html (7,571 bytes)

190. [TowerTalk] KT-34XA problem during re-capping (score: 1)
Author: thompson@mindspring.com (thompson@mindspring.com)
Date: Tue, 14 Jul 1998 23:42:46 -0400
Recently brought my KT-34XA down to re-cap and had no problem with the elements until I came to the Dir 3. I found that all I needed to re-cap (since I used the new kit in 1986) was to remove the ele
/archives//html/Towertalk/1998-07/msg00439.html (8,654 bytes)

191. [TowerTalk] KT-34XA rebuild problems..answers rcvd (score: 1)
Author: thompson@mindspring.com (thompson@mindspring.com)
Date: Thu, 16 Jul 1998 12:50:06 -0400
I got back a number of replies to the problem of the 15 meter ground strap that is still loose even after the hardware is tight. There seems to be 3 possible answers: 1. use pop rivets so popular in
/archives//html/Towertalk/1998-07/msg00486.html (7,976 bytes)

192. [TowerTalk] 9913 in rotating app (score: 1)
Author: thompson@mindspring.com (thompson@mindspring.com)
Date: Mon, 20 Jul 1998 14:52:45 -0400
I have a long piece of 9913 that goes from the shack to my relay control box at the top of the tower. I use RG213 from the box to the three antennas. 9913 is not designed to be flexed (as looping aro
/archives//html/Towertalk/1998-07/msg00584.html (7,537 bytes)

193. [TowerTalk] TET beam assistance (score: 1)
Author: thompson@mindspring.com (thompson@mindspring.com)
Date: Mon, 20 Jul 1998 15:04:17 -0400
Several have requested info on older TET beam antennas using the HB9CV feed system. The major manufacturer of this antenna was TET distributed in the USA by Lunar Electronics. Lunar sold out and Loui
/archives//html/Towertalk/1998-07/msg00585.html (7,550 bytes)

194. [TowerTalk] Another HB9CV commercial antenna series (score: 1)
Author: thompson@mindspring.com (thompson@mindspring.com)
Date: Mon, 20 Jul 1998 15:09:54 -0400
The RaiBeam (AZ) is another series of HB9CV feed antennas. They claim to have improved the feed so it not only has better F/B than the normal 2 el beam but better gain (how does a feed system do that
/archives//html/Towertalk/1998-07/msg00586.html (7,677 bytes)

195. [TowerTalk] Another HB9CV commercial antenna series (score: 1)
Author: thompson@mindspring.com (thompson@mindspring.com)
Date: Tue, 21 Jul 1998 13:33:04 -0400
Joe pointed out an error in my comments about the Raibeam. The review is in the Sept 97 QST. Dave K4JRB -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@contesting.co
/archives//html/Towertalk/1998-07/msg00627.html (7,237 bytes)

196. [TowerTalk] Thrust Bearing Problem...maybe (score: 1)
Author: thompson@mindspring.com (thompson@mindspring.com)
Date: Fri, 24 Jul 1998 23:37:11 -0400
Could be one of several problems...and I have had them all... First, could be as simple as that dreaded T2X problem with sticking. pushing the beam is similiar to rocking it back and forth or going t
/archives//html/Towertalk/1998-07/msg00836.html (10,140 bytes)

197. [TowerTalk] Some interesting tower history (score: 1)
Author: thompson@mindspring.com (David L. Thompson)
Date: Wed, 3 Jun 1998 01:46:11 -0400 (EDT)
Three points of interest: Trylon has been in business since the 1940's. In 1952 the company was owned by Wind Turbine Company of West Chester, PA. Later we find them in Up state NY and now in Canada
/archives//html/Towertalk/1998-06/msg00080.html (7,449 bytes)

198. [TowerTalk] Looking for N9NB 160 article (score: 1)
Author: thompson@mindspring.com (David L. Thompson)
Date: Wed, 10 Jun 1998 01:12:27 -0400 (EDT)
My first attempt at an antenna for 160 was the N9NB transmission line antenna. He was a Prof at Indiana U at the time. His article was in either 73 or ham radio. I thought I remembered a reference in
/archives//html/Towertalk/1998-06/msg00288.html (7,705 bytes)

199. [TowerTalk] Crank up towers are SAFE! (score: 1)
Author: thompson@mindspring.com (David L. Thompson)
Date: Thu, 11 Jun 1998 10:47:21 -0400 (EDT)
Crank up towers are safe. They do require adequate maintenance. I have had my Tristao 71 footer (now US Tower) for nearly 30 years at 4 locations in two states. It has ridden through 5 tornadoes, 3 h
/archives//html/Towertalk/1998-06/msg00337.html (7,799 bytes)

200. [TowerTalk] Guying crank up towers (score: 1)
Author: thompson@mindspring.com (David L. Thompson)
Date: Thu, 11 Jun 1998 11:07:12 -0400 (EDT)
Much has been said about not guying crank up towers. I can't speak for the other brands of towers (some of which are gone or are going) but my Tristao can be guyed. It is designed as a totally self s
/archives//html/Towertalk/1998-06/msg00340.html (9,353 bytes)


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