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181. [TowerTalk] MAST (score: 1): Author: k6ll@juno.com (David O. Hachadorian); Date: Mon, 06 Oct 1997 21:55:09 EDT; On Mon, 6 Oct 1997 16:03:24 -0700 Ken Fisher <kfisher@inreach.com> writes: If that is a 2" O.D. 6061-T6 mast, my calculations predict failure at 55 miles per hour if the wind is in line with the two; /archives//html/Towertalk/1997-10/msg00158.html (8,156 bytes)
182. [TowerTalk] High Antenna (score: 1): Author: k6ll@juno.com (David O. Hachadorian); Date: Tue, 07 Oct 1997 11:14:43 EDT; I was at K6NA this past weekend operating in the CQP, and I noticed a big drop in the background noise when selecting the 140' high antennas. I was almost wishing I had more rf gain in the rx. Signal; /archives//html/Towertalk/1997-10/msg00184.html (9,587 bytes)
183. [TowerTalk] Rohn TB-3 Warning (score: 1): Author: k6ll@juno.com (David O. Hachadorian); Date: Mon, 20 Oct 1997 15:08:49 EDT; On Mon, 20 Oct 1997 11:44:43 -0500 "Gary R. Hosler"<grhosler@imation.com> writes: Although Gary was doing something different, his experience lends credence to the old advice of letting the rotator t; /archives//html/Towertalk/1997-10/msg00550.html (11,437 bytes)
184. [TowerTalk] Smaller Towers on City Lots (score: 1): Author: k6ll@juno.com (David O. Hachadorian); Date: Wed, 22 Oct 1997 12:41:57 EDT; On Wed, 22 Oct 1997 08:32:51 -0500 Lee Buller <k0wa@southwind.net> writes: Here's what I'm using: Rohn FK2548 48' foldover (25' x 25' guying pattern) $1400 Single Guying Kit $300?? Philly Top guys $3; /archives//html/Towertalk/1997-10/msg00609.html (9,396 bytes)
185. [TowerTalk] Re: [Antennas] KT34XA stacking (score: 1): Author: k6ll@juno.com (David O. Hachadorian); Date: Wed, 29 Oct 1997 16:15:10 EST; On Wed, 29 Oct 1997 21:39:33 +0300 Andreas Mavrides <apmav@rtc.com.cy> writes: My 40-2CD is only six feet above the XA. Both antennas work fb. Dave Hachadorian, K6LL K6LL@juno.com Yuma, AZ -- FAQ on; /archives//html/Towertalk/1997-10/msg00769.html (7,337 bytes)
186. [TowerTalk] tower lifting alternatives (score: 1): Author: k6ll@juno.com (David O. Hachadorian); Date: Sat, 06 Sep 1997 09:46:43 EDT; On Fri, 5 Sep 1997 21:38:03 -0700 ftbrady@cosmoslink.net (Frank T. Brady) writes: The way I did it was to coordinate with the trucking company to give me a call before delivery. Then I ran down to th; /archives//html/Towertalk/1997-09/msg00155.html (8,549 bytes)
187. [TowerTalk] Solving Powerline RFI II (score: 1): Author: k6ll@juno.com (David O. Hachadorian); Date: Mon, 08 Sep 1997 18:51:43 EDT; Generally, tapping a pole with a bad lightning arrestor will not cause the noise to change. Dave Hachadorian, K6LL k6ll@juno.com -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions; /archives//html/Towertalk/1997-09/msg00209.html (7,534 bytes)
188. [TowerTalk] Solving Powerline RFI II (score: 1): Author: k6ll@juno.com (David O. Hachadorian); Date: Mon, 08 Sep 1997 18:51:43 EDT; Well, I'm not a "power line professional", but here are two suggestions: 1. Buy Bill Nelson's "Interference Handbook." It contains scads of detail on potential sources of interference and remedies fo; /archives//html/Towertalk/1997-09/msg00210.html (9,114 bytes)
189. [TowerTalk] 40-2CD on 17m? (score: 1): Author: k6ll@juno.com (David O. Hachadorian); Date: Fri, 12 Sep 1997 18:41:37 EDT; I run 1500w SSB on it all the time. Never tried RTTY. Dave Hachadorian, K6LL K6LL@juno.com -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@contesting.com Administrat; /archives//html/Towertalk/1997-09/msg00316.html (7,161 bytes)
190. [TowerTalk] Aztec Balun (score: 1): Author: k6ll@juno.com (David O. Hachadorian); Date: Wed, 17 Sep 1997 12:15:27 EDT; Make that K6NA. Dave Hachadorian, K6LL K6LL@juno.com -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@contesting.com Administrative requests: towertalk-REQUEST@contes; /archives//html/Towertalk/1997-09/msg00477.html (7,238 bytes)
191. [TowerTalk] Small Yagi Ideas (score: 1): Author: k6ll@juno.com (David O. Hachadorian); Date: Wed, 17 Sep 1997 12:15:27 EDT; I remember a QST article that N6NB wrote many years ago. He ran around Southern California with a TH-2 on a mobile tower doing gain and f/b measurements on different stations with big beams. Although; /archives//html/Towertalk/1997-09/msg00478.html (8,954 bytes)
192. [TowerTalk] Hand chain saw (score: 1): Author: k6ll@juno.com (David O. Hachadorian); Date: Thu, 18 Sep 1997 13:59:29 EDT; This subject reminds me of an old joke: A guy walks up to the Sears complaint department, and angrily says "you told me this chain saw would cut 10 cords of wood in one day. I've been working from da; /archives//html/Towertalk/1997-09/msg00528.html (7,186 bytes)
193. [TowerTalk] WX7M 280' long 20M Yagi (score: 1): Author: k6ll@juno.com (David O. Hachadorian); Date: Thu, 18 Sep 1997 17:05:14 EDT; The program VOACAP has a sample directory of Voice of America antennas. How about a curtain array of 7 stacks of 8 bays, with 44dBi pattern gain, and a default power level of 250kW? Dave Hachadorian,; /archives//html/Towertalk/1997-09/msg00534.html (8,441 bytes)
194. [TowerTalk] Very long wire (score: 1): Author: k6ll@juno.com (David O. Hachadorian); Date: Sat, 27 Sep 1997 10:51:13 EDT; Cutout switches could be used to isolate sections of the wire. Maybe there are some "magic" lengths for certain bands/directions, especially on Rx. Dave Hachadorian, K6LL K6LL@juno.com -- FAQ on WWW:; /archives//html/Towertalk/1997-09/msg00718.html (7,350 bytes)
195. [TowerTalk] Re: Tower Question (score: 1): Author: k6ll@juno.com (David O. Hachadorian); Date: Thu, 07 Aug 1997 14:17:41 EDT; I think you're better off putting the guy wires as close to the antennas as possible. Normal three way guying doesn't do much to resist twist anyway, since twist is at right angles to the guy wire, a; /archives//html/Towertalk/1997-08/msg00262.html (9,966 bytes)
196. [TowerTalk] Takeoff angle (score: 1): Author: k6ll@juno.com (David O. Hachadorian); Date: Sat, 09 Aug 1997 18:01:54 EDT; On Sat, 9 Aug 1997 15:17:26 -0500 w5ec@digitalexp.com (Hawkins, Bill) writes: The answer requires a computer program, because no hill is at a constant slope forever. At some point, the hill ends, and; /archives//html/Towertalk/1997-08/msg00351.html (7,775 bytes)
197. [TowerTalk] YT Statistics Files (score: 1): Author: k6ll@juno.com (David O. Hachadorian); Date: Fri, 29 Aug 1997 19:42:38 EDT; The IONCAP engine is available in the program VOACAP, Voice of America Coverage Analysis Program. It can be downloaded for free on the net, but is quite large, and is a little difficult to learn. It; /archives//html/Towertalk/1997-08/msg00809.html (8,674 bytes)
198. [TowerTalk] Ham-4 rotor Capacity (fwd) (score: 1): Author: k6ll@juno.com (David O Hachadorian); Date: Wed, 02 Jul 1997 11:54:43 EDT; On Tue, 1 Jul 1997 13:53:32 -0700 (PDT) Pat Barthelow <aa6eg@tmx.com> writes: I have a Ham IV that has been turning a KT-34XA with a 40-2CD six feet above it for about two years now. Last summer, dur; /archives//html/Towertalk/1997-07/msg00078.html (8,448 bytes)
199. [TowerTalk] Radical alternative for pinning beams (score: 1): Author: k6ll@juno.com (David O Hachadorian); Date: Wed, 02 Jul 1997 11:54:43 EDT; On Tue, 1 Jul 97 22:09:15 -0400 Bill Coleman AA4LR <aa4lr@radio.org> writes: A few years ago, the feedback pot in my t2x failed. The tower is about 20 feet back from the shack window, but the antenna; /archives//html/Towertalk/1997-07/msg00079.html (9,145 bytes)
200. [TowerTalk] Re: [CQ-Contest] Stubs are not a joke (score: 1): Author: k6ll@juno.com (David O Hachadorian); Date: Wed, 02 Jul 1997 11:54:43 EDT; On Tue, 1 Jul 1997 22:37:33 -0400 (EDT) Scott Robbins <srobbins@usit.net> writes: Stubs can go anywhere in the feedline. I would be a little concerned about putting them way out at the remote coax sw; /archives//html/Towertalk/1997-07/msg00080.html (7,652 bytes)

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