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1. [TowerTalk] hoist rope (score: 1): Author: jimjarvis@comcast.net (Jim Jarvis); Date: Sat Aug 2 08:48:12 2003; Rich... I would not use anything smaller than 1/2 inch dacron. A little stretch in it...and there will be 1-2%...won't hurt any. Trying to work with smaller diameter lines is both hard on the hands,; /archives//html/Towertalk/2003-08/msg00036.html (7,612 bytes)
2. [TowerTalk] R7 'radials' (score: 1): Author: jimjarvis@comcast.net (Jim Jarvis); Date: Sun Aug 3 15:02:01 2003; George, Didier is right. The R7, like others in the R3-R8 series from Cushcraft, use some number of 39" 'radials', which are actually a capacitative part of a decoupling network. They are not radials; /archives//html/Towertalk/2003-08/msg00059.html (7,981 bytes)
3. [TowerTalk] antenna suggestion? (score: 1): Author: jimjarvis@comcast.net (Jim Jarvis); Date: Sun Aug 3 15:17:50 2003; TT: At the risk of reopening the prior transmission line debate... I'd be interested in opinions about a utility antenna, relatively stealthy, for my new place in suburban MD. There are covenants, bu; /archives//html/Towertalk/2003-08/msg00060.html (7,871 bytes)
4. [TowerTalk] ma550 tower (score: 1): Author: jimjarvis@comcast.net (Jim Jarvis); Date: Tue Aug 5 07:49:02 2003; I've had two of these things, so far. One house mounted with top rotor, the other freestanding with a base rotor. They'll hold a small tribander with no problem. I've had kt34A and and a Tennadyne t8; /archives//html/Towertalk/2003-08/msg00134.html (7,444 bytes)
5. [TowerTalk] I shot an arrow into the air..... (score: 1): Author: jimjarvis@comcast.net (Jim Jarvis); Date: Tue Aug 5 18:45:58 2003; KE3Q's narrative, causes me to wax poetic on the same topic THE DAY WE SHOT THE ROOF: (guilty parties identified....boy, I wish we'd have taken that picture when I wanted to!) I've been using fishing; /archives//html/Towertalk/2003-08/msg00171.html (8,412 bytes)
6. [TowerTalk] tower fall (score: 1): Author: jimjarvis@comcast.net (Jim Jarvis); Date: Tue Aug 5 21:29:31 2003; TT: There was a recent report of a ham in TX who died falling from his tower. Don't remember his call. I wasn't on the reflector when this happened....is there something specific to be learned from h; /archives//html/Towertalk/2003-08/msg00173.html (6,801 bytes)
7. [TowerTalk] n8sm (score: 1): Author: jimjarvis@comcast.net (Jim Jarvis); Date: Wed Aug 6 08:26:11 2003; Thanks to all who provided details on n8sm's death. Details were reported in recent QST. He apparently fell while disconnected, moving around the tower. Working alone. Nobody saw him fall. Tragic. Un; /archives//html/Towertalk/2003-08/msg00186.html (6,430 bytes)
8. [TowerTalk] relays (score: 1): Author: jimjarvis@comcast.net (Jim Jarvis); Date: Wed Aug 13 11:17:43 2003; TT: I'm building a high power remote antenna tuner, which will be used to rough-match 50 ohm coax to open wire line from an 80 meter dipole (possibly extended), on 160-10. Beam won't go up until Spri; /archives//html/Towertalk/2003-08/msg00441.html (7,282 bytes)
9. [TowerTalk] zoning isn't all bad (score: 1): Author: jimjarvis@comcast.net (Jim Jarvis); Date: Thu Aug 14 09:06:54 2003; I resisted the urge to wade in on this, yesterday; my brain must be weaker today. However, FWIW: There is a movement afoot in the US, propelled by professional city planners and the National League o; /archives//html/Towertalk/2003-08/msg00522.html (9,050 bytes)
10. [TowerTalk] Rohn loading (score: 1): Author: jimjarvis@comcast.net (Jim Jarvis); Date: Thu Aug 14 12:24:53 2003; Folks, A week or so back, there was a thread concerning MA550 tubular tower loading and strength, compared with triangular tower. It appears that I'll have a choice between Rohn 25 and a MA550 tower.; /archives//html/Towertalk/2003-08/msg00530.html (6,681 bytes)
11. [TowerTalk] rohn 25G (score: 1): Author: jimjarvis@comcast.net (Jim Jarvis); Date: Sun Aug 17 14:14:07 2003; Dan (TT): Rohn still lists 25G on its website, and will sell it in either 10' or 7' section lengths. The latter is UPS shippable. Price for 10' was $89. I suspect what they're doing is bypassing the; /archives//html/Towertalk/2003-08/msg00615.html (7,568 bytes)
12. [TowerTalk] what beam to choose? (score: 1): Author: jimjarvis@comcast.net (Jim Jarvis); Date: Sun Aug 17 17:49:59 2003; Dan.... I would suggest that you look very carefully at a 3 element SteppIR yagi. I've had one for about 18 months. Spent one winter in Vermont with it, and was exceptionally happy. If you're a butto; /archives//html/Towertalk/2003-08/msg00621.html (7,529 bytes)
13. [TowerTalk] MA-550 advice... (score: 1): Author: jimjarvis@comcast.net (Jim Jarvis); Date: Mon Aug 18 23:48:59 2003; Steve, I had a 40 footer up for some time, in New Jersey. It was the world's biggest wind chime, when in the nested position. Not only did the tubes clank together in wind gusts, there was slight rot; /archives//html/Towertalk/2003-08/msg00663.html (11,437 bytes)
14. [TowerTalk] MA-550 advice... (score: 1): Author: jimjarvis@comcast.net (Jim Jarvis); Date: Tue Aug 19 07:44:50 2003; Mike, A friend of mine in Vermont, WJ1Z, used a Dayton-Lainson motorized winch w/ clutch system on a crankup lattice tower, for several years. Worked fine. Still working, far as I know. But he didn't; /archives//html/Towertalk/2003-08/msg00678.html (10,463 bytes)
15. [TowerTalk] ma 550 windload vs. Mast Height (score: 1): Author: jimjarvis@comcast.net (Jim Jarvis); Date: Tue Aug 19 09:07:52 2003; US Tower rates the MA550 based on windload present 1' above the top of the tower. Windload derating is necessary, as mast height is added above the tower top. Are there any structural guys on this re; /archives//html/Towertalk/2003-08/msg00679.html (7,213 bytes)
16. [TowerTalk] MA towers, Topside rotors & mast height. (score: 1): Author: jimjarvis@comcast.net (Jim Jarvis); Date: Tue Aug 19 16:58:37 2003; Placing any more than 12-18" above the rotor is nothing short of crazy. Wishful thinking would be the polite expression. Waiting for disaster is a close second. Rotor load figures are derated by x2; /archives//html/Towertalk/2003-08/msg00693.html (6,854 bytes)
17. [TowerTalk] rock ledge guy anchors (score: 1): Author: jimjarvis@comcast.net (Jim Jarvis); Date: Tue Aug 19 17:07:09 2003; New Englanders have experience working with ledge. As a recently transplanted Vermontah, I'd suggest looking at renting large reciprocating drills, and pressure-grouting the anchors into the holes. F; /archives//html/Towertalk/2003-08/msg00694.html (6,878 bytes)
18. [TowerTalk] MA towers//cables (score: 1): Author: jimjarvis@comcast.net (Jim Jarvis); Date: Tue Aug 19 20:49:26 2003; " US Tower's insistence on replacing the cables every 3 years is a weasel clause (meaning they can weasel out of any liability if you don't follow their instructions) and is almost always unnecessary; /archives//html/Towertalk/2003-08/msg00697.html (6,791 bytes)
19. [TowerTalk] balcony mounted tower? (score: 1): Author: "Jim Jarvis" <jimjarvis@comcast.net>; Date: Thu, 21 Aug 2003 07:28:38 -0000; Mike.. Red, WO0W, gave good advice...you need professional analysis, before considering the balcony as support. I might add that 20' additional feet of tower is cheap, when compared with both the cos; /archives//html/Towertalk/2003-08/msg00712.html (7,906 bytes)
20. [TowerTalk] dead birds (score: 1): Author: "Jim Jarvis" <jimjarvis@comcast.net>; Date: Fri, 22 Aug 2003 21:56:27 -0000; This topic is incredibly complex. It was clearly misunderstood by the technologically ignorant reporter. Is it possible that a TV broadcast station, or a microwave relay station might emit enough ene; /archives//html/Towertalk/2003-08/msg00753.html (8,342 bytes)

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