Mail Archive Search: <+from:k6ll@juno.com>

Results:

References: [ +from:k6ll@juno.com: 277 ]

Total 277 documents matching your query.

221. [TowerTalk] Guy tensioning questions (score: 1): Author: k6ll@juno.com (David O Hachadorian); Date: Mon, 12 May 1997 13:19:57 EDT; I don't see any need to equalize the compression on each leg. If you are forced to use asymmetrical guy positioning, then adjust tension to equalize the lateral forces. If you depart significantly fr; /archives//html/Towertalk/1997-05/msg00323.html (9,753 bytes)
222. [TowerTalk] An Engineering Question (score: 1): Author: k6ll@juno.com (David O Hachadorian); Date: Fri, 30 May 1997 13:25:24 EDT; It's not just the guy wire and anchors you need to worry about. You are also limited by the compression strength spec of the tower legs when the wind blows in the worst-case direction. As the anchors; /archives//html/Towertalk/1997-05/msg00741.html (9,059 bytes)
223. [TowerTalk] Re: An Engineering Question (score: 1): Author: k6ll@juno.com (David O Hachadorian); Date: Sat, 31 May 1997 13:59:52 EDT; On Sat, 31 May 1997 13:32:01 +1200 Martin Ellis <jmellis@ihug.co.nz> writes: That _is_ an interesting thought. There are some differences between the two problems though. I'm not a sailor, but I thin; /archives//html/Towertalk/1997-05/msg00762.html (9,760 bytes)
224. [TowerTalk] shorty above tribander (score: 1): Author: k6ll@juno.com (David O Hachadorian); Date: Thu, 03 Apr 1997 12:22:58 EST; I have a 40-2CD mounted six feet above a KT-34XA. I seem to do ok with it. I hold the WPXCW 15 meter record, so the tribander can't be totally screwed up on 15. The mast is 9' long. Texas Towers cut; /archives//html/Towertalk/1997-04/msg00088.html (7,744 bytes)
225. [TowerTalk] Re: Ground Rods & Ohms (score: 1): Author: k6ll@juno.com (David O Hachadorian); Date: Wed, 16 Apr 1997 16:24:16 EDT; How about this method? Erect a little vertical near the ground rod, say 20', resonant at about 11.7 mhz. Attach a very short piece of coax (< 1 ft) to the vertical/ground rod and measure the impedanc; /archives//html/Towertalk/1997-04/msg00492.html (9,814 bytes)
226. [TowerTalk] Re: short story (score: 1): Author: k6ll@juno.com (David O Hachadorian); Date: Thu, 24 Apr 1997 12:19:29 EDT; Joe, Thanks for taking the time to write. AA0CY at Polyphaser sent me a report which describes the failure modes of anchor shafts due to galvanic corrosion. In my case, there is a layer of "Caliche"; /archives//html/Towertalk/1997-04/msg00765.html (8,824 bytes)
227. [TowerTalk] coating galv. guy rods (score: 1): Author: k6ll@juno.com (David O Hachadorian); Date: Fri, 25 Apr 1997 09:42:47 EDT; The report that I received from AA0CY suggests that, as a partial solution, the entire buried surface be coated with an electrically insulating epoxy. However, if there are any "holidays" in the coat; /archives//html/Towertalk/1997-04/msg00781.html (7,907 bytes)
228. [TowerTalk] KLM KT34XA (score: 1): Author: k6ll@juno.com (David O Hachadorian); Date: Sat, 26 Apr 1997 13:46:47 EDT; On Sat, 26 Apr 1997 16:30:42 +0200 Luís Teixeira <ct4nh@mail.telepac.pt> writes: Hi Luis, Here are some ideas: 1. A good combination, used by myself and several other contest stations that I k; /archives//html/Towertalk/1997-04/msg00808.html (8,086 bytes)
229. [TowerTalk] tower height (score: 1): Author: k6ll@juno.com (David O Hachadorian); Date: Sun, 27 Apr 1997 14:14:51 EDT; On Sun, 27 Apr 1997 07:10:29 -0600 "David McPhie" <K7SX@worldnet.att.net> writes: It depends on what skip distances are important to you. I would suggest that you get a copy of N6BV's YTAD program, w; /archives//html/Towertalk/1997-04/msg00853.html (9,184 bytes)
230. [TowerTalk] Stacked TH-11 and 40-2CD Spacing and Interactions? (score: 1): Author: k6ll@juno.com (David O Hachadorian); Date: Wed, 30 Apr 1997 18:30:54 EDT; On Wed, 30 Apr 1997 17:41:34 -0400 majewski@erim.org (Ron Majewski) writes: Hi Ron, It was probably one of my postings where you heard that the 40-2cd is resonant at 18.1. I use it as my one and only; /archives//html/Towertalk/1997-04/msg00951.html (8,118 bytes)
231. [TowerTalk] Vertical vs. Low Beam? (score: 1): Author: k6ll@juno.com (David O Hachadorian); Date: Fri, 21 Mar 1997 14:04:57 EST; On Fri, 21 Mar 1997 10:07:20 -0800 (PST) Doug Brandon <dab@kaiwan.com> writes: For two-radio contesting, I have a 3 element 15 mounted at 25' on the tower. It's about one s-unit down from my KT-34XA; /archives//html/Towertalk/1997-03/msg00334.html (9,150 bytes)
232. [TowerTalk] insulated wire wrapped-back (score: 1): Author: k6ll@juno.com (David O Hachadorian); Date: Sat, 22 Mar 1997 11:49:06 EST; I was at another contester's station not too long ago, and noticed that he had constructed his inverted vees with insulated wire, and had looped several feet of excess wire on the ends back on itself; /archives//html/Towertalk/1997-03/msg00351.html (8,007 bytes)
233. [TowerTalk] CONDUCTIVITY OF CONCRETE? (score: 1): Author: k6ll@juno.com (David O Hachadorian); Date: Fri, 28 Mar 1997 13:29:01 EST; Perhaps someone with an antenna analyzer and a free-standing tower could temporarily detach their ground wire from the tower and measure the impedance between the ground wire and the tower. Just swee; /archives//html/Towertalk/1997-03/msg00672.html (8,523 bytes)
234. HAM-4 ROTOR TROUBLESHOOTING ADVICE (score: 1): Author: k6ll@juno.com (David O. Hachadorian); Date: Mon, 6 Jan 1997 06:50:55 PST; Go to your local electric motor shop and get a replacement capacitor. It will only cost about $3 and will eliminate that as a source of the problem. It's cheap and easy. There's no easy way to test t; /archives//html/Towertalk/1997-01/msg00083.html (10,548 bytes)
235. Towers & insurance (score: 1): Author: k6ll@juno.com (David O Hachadorian); Date: Thu, 16 Jan 1997 13:22:21 EST; I just received my new homeowners policy from Allstate. Because of some previous discussion on this reflector, I actually _read_ the policy to see if the tower was covered. It was pretty obvious that; /archives//html/Towertalk/1997-01/msg00352.html (7,333 bytes)
236. correction - towers & insurance (score: 1): Author: k6ll@juno.com (David O Hachadorian); Date: Mon, 20 Jan 1997 15:43:08 EST; Last week I posted a message stating that, after checking with my Allstate agent, it had been determined that my tower was not covered under my new homeowners policy. I received a lot of e-mail expre; /archives//html/Towertalk/1997-01/msg00415.html (8,450 bytes)
237. POWERLINE NOISE (score: 1): Author: k6ll@juno.com (David O Hachadorian); Date: Tue, 21 Jan 1997 12:48:36 EST; I try to pinpoint the location myself, and have the power company repair it. Our power company does have a person whose job it is to locate noise, but he operates out of Phoenix, three hours away. It; /archives//html/Towertalk/1997-01/msg00441.html (8,450 bytes)
238. 105CAS..I'LL MAKE THE MOD ! + new thread (score: 1): Author: k6ll@juno.com (David O. Hachadorian); Date: Sat, 14 Dec 1996 17:23:05 PST; Here's another complex question which is easily answered with the assistance of a computer. Just get a copy of VOAWIN, which is available for free on the Internet, and spend a week or two playing wit; /archives//html/Towertalk/1996-12/msg00213.html (7,724 bytes)
239. Erecting Long Masts (score: 1): Author: k6ll@juno.com (David O. Hachadorian); Date: Thu, 19 Dec 1996 15:45:29 PST; On Wed, 18 Dec 1996 19:18:51 -0700 Terry Dunlap <ac6ef@pipeline.com> writes: Interesting question, here are some numbers. The way to figure this is to regard the bearing at the top of the tower as th; /archives//html/Towertalk/1996-12/msg00337.html (8,942 bytes)
240. TH7DX / 402-cd Info (score: 1): Author: k6ll@juno.com (David O. Hachadorian); Date: Mon, 30 Dec 1996 14:36:31 PST; Hi Jan, One way to see if the two antennas are interacting is to unground the feedline from the 40-2cd in the shack. See if the swr profile on the tribander changes. Then short the shield and center; /archives//html/Towertalk/1996-12/msg00499.html (8,329 bytes)

Current List: 221 - 240
Page: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14]