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1. [TowerTalk] High VSWR (score: 1): Author: "Doug Ronald" <doug@dougronald.com>; Date: Wed, 28 Aug 2019 15:30:38 -0700; Hmmm, my VSWR came up a little high this afternoon, see my QRZ page to see why. Actually, I shouldn't joke about it - I'm totally devastated. 73 all, -Doug Ronald, W6DSR _____________________________; /archives//html/Towertalk/2019-08/msg00207.html (6,347 bytes)
2. Re: [TowerTalk] High VSWR (score: 1): Author: David Gilbert <xdavid@cis-broadband.com>; Date: Wed, 28 Aug 2019 16:51:13 -0700; That story would be a lot more interesting if you actually explained what happened. Dave AB7E Actually, I shouldn't joke about it - I'm totally devastated. 73 all, -Doug Ronald, W6DSR _____________; /archives//html/Towertalk/2019-08/msg00208.html (7,091 bytes)
3. Re: [TowerTalk] High VSWR (score: 1): Author: Wayne Kline <w3ea@hotmail.com>; Date: Thu, 29 Aug 2019 00:01:35 +0000; Doug, So sorry to see that destruction. He instillation was a work of ART IMO. I lost 9 of my 11 Yagi antennas during an ice storm in 2001. We had 3 inch radial ice ( none concentric) with the remain; /archives//html/Towertalk/2019-08/msg00209.html (8,183 bytes)
4. Re: [TowerTalk] High VSWR (score: 1): Author: David Gilbert <xdavid@cis-broadband.com>; Date: Wed, 28 Aug 2019 18:32:36 -0700; That certainly is tragic, although I'm greatly relieved that it doesn't appear anyone was hurt. It is truly amazing to see the thought and effort you put into that antenna, and a tremendous shame to; /archives//html/Towertalk/2019-08/msg00210.html (10,026 bytes)
5. Re: [TowerTalk] High VSWR (score: 1): Author: Wes <wes_n7ws@triconet.org>; Date: Wed, 28 Aug 2019 19:14:56 -0700; For those that may have missed the link to Doug's build photos here it is: http://w6dsr.com/LP1005AA/index.html Doug, I'm sorry about your loss. But if the mast isn't bent, which the one post-failur; /archives//html/Towertalk/2019-08/msg00211.html (10,727 bytes)
6. Re: [TowerTalk] High VSWR (score: 1): Author: Glenn Pritchard <gpritchard7000@gmail.com>; Date: Wed, 28 Aug 2019 20:03:39 -0700; What in the world happened???? Was the lock mechanism not in place? Ive installed many of these over the years for ATC systems but have never seen this happen. Glenn, VA7UO Sent from my iPhone ______; /archives//html/Towertalk/2019-08/msg00212.html (12,254 bytes)
7. Re: [TowerTalk] High VSWR (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Wed, 28 Aug 2019 20:26:47 -0700; Thanks for the link, Wes. Yes, the process was interesting to follow. Don't feel like the Lone Ranger though, Doug -- over not very many years, K5RC has had a lot of trouble keeping his 3-el 80M yagi; /archives//html/Towertalk/2019-08/msg00213.html (9,183 bytes)
8. Re: [TowerTalk] High VSWR (score: 1): Author: Tom_N2SR via TowerTalk <towertalk@contesting.com>; Date: Thu, 29 Aug 2019 09:36:00 +0000 (UTC); Just do what I did - hit the DELETE key. Tom, N2SR Dave AB7E _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contes; /archives//html/Towertalk/2019-08/msg00218.html (8,667 bytes)
9. Re: [TowerTalk] High VSWR (score: 1): Author: "Paul Christensen" <w9ac@arrl.net>; Date: Thu, 29 Aug 2019 08:58:26 -0400; As bad as the SWR plots look after the repairs, it's not that far out of spec. The USAP LP-1005 SWR spec is less than 3:1 between 3-4 MHz, and less than 2:1 between 4-30 Mhz. On 75m-80m, it really ne; /archives//html/Towertalk/2019-08/msg00223.html (11,300 bytes)
10. Re: [TowerTalk] High VSWR (score: 1): Author: john@kk9a.com; Date: Thu, 29 Aug 2019 12:05:55 -0500; I guess you're referring to the photo on http://www.qrz.com/db/w6dsr showing the damaged log periodic. Many years ago after getting frustrated with Hy-Gain's toy ham rotators they sent me a commercia; /archives//html/Towertalk/2019-08/msg00235.html (8,935 bytes)
11. Re: [TowerTalk] High VSWR (score: 1): Author: "Doug Ronald" <doug@dougronald.com>; Date: Thu, 29 Aug 2019 10:24:42 -0700; Aware that the hoisting cable could break, or the winch fail, or some other unforeseen event could happen, I made sure no people or animals were in the fall zone. My expensive mistake was not torquei; /archives//html/Towertalk/2019-08/msg00238.html (10,071 bytes)
12. Re: [TowerTalk] High VSWR (score: 1): Author: "Doug Ronald" <doug@dougronald.com>; Date: Thu, 29 Aug 2019 10:48:42 -0700; Wind is the reason. I get usually two storms in the winter with BIG winds. My anemometer at about 20 feet has had the cups blown off it with a 116 MPH reading. Even this military antenna with a 120 M; /archives//html/Towertalk/2019-08/msg00240.html (11,668 bytes)
13. Re: [TowerTalk] High VSWR (score: 1): Author: "john@kk9a.com" <john@kk9a.com>; Date: Thu, 29 Aug 2019 15:18:59 -0400; That is a bad and sad accident but again lucky no one was injured by a falling object or a cable snapping back. Wow, that is a tough environment. Take a breather and I am sure you'll move forward aga; /archives//html/Towertalk/2019-08/msg00245.html (13,240 bytes)
14. Re: [TowerTalk] High VSWR (score: 1): Author: Steve Maki <lists@oakcom.org>; Date: Thu, 29 Aug 2019 20:07:42 -0400; I've never used a torque wrench on cable clamps - I suspect I've tightened them tighter than needed, but my theory is that if they don't break while cranking them down, they won't later on (unless yo; /archives//html/Towertalk/2019-08/msg00253.html (9,401 bytes)
15. Re: [TowerTalk] High VSWR (score: 1): Author: Grant Saviers <grants2@pacbell.net>; Date: Thu, 29 Aug 2019 21:03:58 -0700; Re cable clips guy failure - With the clips tightened with a torque wrench, were they re-torqued as mentioned to the specs in the Crosby catalog? Were the clips Crosby or some big box Chinese knockof; /archives//html/Towertalk/2019-08/msg00258.html (9,164 bytes)
16. Re: [TowerTalk] High VSWR (score: 1): Author: <wc1m73@gmail.com>; Date: Fri, 30 Aug 2019 18:51:24 -0400; What an incredible story. That is one heck of a piece of hardware. Very sorry to see what happened, but it does look recoverable, at least to some extent. I have a question about the hoisting configu; /archives//html/Towertalk/2019-08/msg00268.html (15,394 bytes)
17. [TowerTalk] High VSWR (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Sat, 31 Aug 2019 21:46:13 -0700; <That is a bad and sad accident but again lucky no one was injured by a <falling object or a cable snapping back. Wow, that is a tough environment. <Take a breather and I am sure you'll move forward; /archives//html/Towertalk/2019-09/msg00000.html (7,359 bytes)
18. [TowerTalk] High VSWR (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Sat, 31 Aug 2019 22:32:13 -0700; 10% to the total load. Smallish diam pulleys are the worse, increasing the load well above 10%....sometimes as high as 60%. Smallish diam pulleys also put a huge strain on the internal strands. You; /archives//html/Towertalk/2019-09/msg00001.html (7,102 bytes)
19. Re: [TowerTalk] High VSWR (score: 1): Author: "dj7ww@t-online.de" <dj7ww@t-online.de>; Date: Sun, 1 Sep 2019 14:13:08 +0200 (CEST); That is a bad idea, the torque force on the rotor under high winds will become much larger. 73 Peter --Original-Nachricht-- Betreff: [TowerTalk] High VSWR the required rotor torque will be sky high.; /archives//html/Towertalk/2019-09/msg00002.html (7,766 bytes)
20. Re: [TowerTalk] High VSWR (score: 1): Author: Patrick Greenlee <patrick_g@windstream.net>; Date: Sun, 1 Sep 2019 07:36:43 -0500; Mounting the boom to the mast/rotor at the center of the antenna's aerodynamic drag greatly reduces/eliminates wind induced torque. Two basic ways to achieve aerodynamic balance: 1. select the boom m; /archives//html/Towertalk/2019-09/msg00003.html (8,242 bytes)

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