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321. re: [TowerTalk] weatherproof boxes (score: 1)
Author: Jim Lux <jimlux@earthlink.net>
Date: Wed, 07 Jan 2004 12:15:20 -0800
How UV resistant are the Rough Totes? A lot of the plastic containers get pretty brittle when out in the sun all the time. Sometimes, too, the $100 item will make the code inspector happy, if that's
/archives//html/Towertalk/2004-01/msg00122.html (9,630 bytes)

322. Re: [TowerTalk] Interference questions dog broadband over power lines-twirp blames hams for BPL shortcomings (score: 1)
Author: "Jim Lux" <jimlux@earthlink.net>
Date: Thu, 8 Jan 2004 08:56:14 -0800
Whether or not he appears to blame hams is probably irrelevant in the big picture. The key is the last line: This is the key... if the technology is perceived by the capital markets as having regulat
/archives//html/Towertalk/2004-01/msg00139.html (11,206 bytes)

323. Re: [TowerTalk] BPL article lacks insight (score: 1)
Author: Jim Lux <jimlux@earthlink.net>
Date: Thu, 08 Jan 2004 10:07:26 -0800
At 12:52 PM 1/8/2004 -0500, K4IA@aol.com wrote: The problem with the article is: here we go again . . . The author acts like Hams (a bunch of weird geeks with a strange hobby who screw up your TV set
/archives//html/Towertalk/2004-01/msg00142.html (10,574 bytes)

324. Re: [TowerTalk] TX-455 Engineering Drawings (score: 1)
Author: Jim Lux <jimlux@earthlink.net>
Date: Thu, 08 Jan 2004 16:31:24 -0800
At 01:56 PM 1/8/2004 -0800, Jim Venneman wrote: Greetings, Many thanks to all of you who sent me comments last week concerning my plot plan question. All were most helpful. I now have a new problem a
/archives//html/Towertalk/2004-01/msg00153.html (10,528 bytes)

325. Re: [TowerTalk] Problems on a 2el vertical Array (score: 1)
Author: "Jim Lux" <jimlux@earthlink.net>
Date: Fri, 9 Jan 2004 08:07:14 -0800
Very nice work Tobias... ratio. Close in contacts (or two bounce contacts) will have a high elevation angle, so the relative phasing of the antennas is not as optimized as for a low angle propagation
/archives//html/Towertalk/2004-01/msg00173.html (9,625 bytes)

326. Re: [TowerTalk] noise flow analysis? (score: 1)
Author: "Jim Lux" <jimlux@earthlink.net>
Date: Fri, 9 Jan 2004 09:07:57 -0800
IDG == International Data Group Publishers of magazines such as CIO Computerworld PCWorld, MacWorld Network World Channel World Runners of conferences such as: LinuxWorld, COMNET, IDC Outsourcing For
/archives//html/Towertalk/2004-01/msg00178.html (8,711 bytes)

327. RE: [TowerTalk] noise flow analysis? (score: 1)
Author: Jim Lux <jimlux@earthlink.net>
Date: Fri, 09 Jan 2004 11:35:04 -0800
At 05:22 PM 1/9/2004 +0000, David Robbins K1TTT wrote: Amazing what you can find on google: "Noise flow" references: http://www.eedesign.com/story/OEG19991109S0038 That one is about analyzing noise a
/archives//html/Towertalk/2004-01/msg00190.html (11,342 bytes)

328. Re: [TowerTalk] Problems on a 2el vertical Array (score: 1)
Author: Jim Lux <jimlux@earthlink.net>
Date: Fri, 09 Jan 2004 11:54:12 -0800
[snip] [snip] Where you may not be realizing your model is: The model probably allocates power equally (50/50) between each vertical, right? In real life when you feed it, the SWRs on the two vertica
/archives//html/Towertalk/2004-01/msg00191.html (12,706 bytes)

329. Re: [TowerTalk] Problems on a 2el vertical Array (score: 1)
Author: Jim Lux <jimlux@earthlink.net>
Date: Fri, 09 Jan 2004 15:28:47 -0800
Yay! Here's a photo of a some tuners, 1 per band: http://home.swbell.net/swca/radio/Tuners.JPG I particularly like the AC voltmeter reading 122V (is that QRO-60 Hz?), and is that a copy of QST open o
/archives//html/Towertalk/2004-01/msg00199.html (10,438 bytes)

330. RE: [TowerTalk] BPL.... very important point missed (score: 1)
Author: Jim Lux <jimlux@earthlink.net>
Date: Fri, 09 Jan 2004 17:08:03 -0800
At 06:24 PM 1/9/2004 -0600, Tyler Stewart wrote: There are already better ways to do that... Low power RF Part 15? radios in the 900 mhz band. True enough, but, nobody ever said that the technically
/archives//html/Towertalk/2004-01/msg00204.html (17,956 bytes)

331. Re: [TowerTalk] stepping motors (score: 1)
Author: "Jim Lux" <jimlux@earthlink.net>
Date: Thu, 15 Jan 2004 07:17:59 -0800
Steppers (particularly surplus ones) also tend to require a fair amount of current (at least at the beginning of the step) at low voltages (designed to run off 5V power supplies, for instance), and,
/archives//html/Towertalk/2004-01/msg00248.html (9,982 bytes)

332. Re: [TowerTalk] Re: Isotruss Towers (score: 1)
Author: "Jim Lux" <jimlux@earthlink.net>
Date: Thu, 15 Jan 2004 20:47:15 -0800
That's what the bucket truck is for! The isotruss products are meant as replacements for steel or wood utility poles, not ham use, per se. Most utilities use trucks for doing any serious service work
/archives//html/Towertalk/2004-01/msg00269.html (7,827 bytes)

333. Re: [TowerTalk] grounding (score: 1)
Author: Jim Lux <jimlux@earthlink.net>
Date: Tue, 20 Jan 2004 09:07:57 -0800
At 08:44 PM 1/19/2004 -0500, Glenn Noska wrote: i'm an electrician in the surge capital of the world, Orlando ( did lightning just hit that house?), Florida. the last three days were spent devouring
/archives//html/Towertalk/2004-01/msg00307.html (8,936 bytes)

334. Re: [TowerTalk] New member.... Antenna limitations. (score: 1)
Author: Jim Lux <jimlux@earthlink.net>
Date: Tue, 20 Jan 2004 09:12:13 -0800
At 09:44 PM 1/20/2004 +1000, Bob M. wrote: G'day and Hi to one and all, I'm a new member here and new to HF. I'm in Australia and living in an over 50's complex of duplexes with the usual body corpor
/archives//html/Towertalk/2004-01/msg00309.html (9,246 bytes)

335. Re: [TowerTalk] Isoloop Packing (score: 1)
Author: "Jim Lux" <jimlux@earthlink.net>
Date: Thu, 22 Jan 2004 20:38:50 -0800
You're probably getting hammered by "dimensional weight".. big, undense stuff gets socked heavily. Why not ship it by truck freight? Old Dominion (http://www.odtl.com/ I think) for instance does this
/archives//html/Towertalk/2004-01/msg00378.html (9,237 bytes)

336. Re: [TowerTalk] Isoloop Packing (score: 1)
Author: "Jim Lux" <jimlux@earthlink.net>
Date: Thu, 22 Jan 2004 20:49:24 -0800
Got the URL wrong for Old Dominion. It's http://www.odfl.com/ What differentiates companies is their willingness to pickup and/or deliver at various locations or at an appointed time (as opposed to "
/archives//html/Towertalk/2004-01/msg00380.html (10,583 bytes)

337. Re: [TowerTalk] Isoloop Packing (score: 1)
Author: "Jim Lux" <jimlux@earthlink.net>
Date: Fri, 23 Jan 2004 06:34:49 -0800
I just ran a quick calculation on the UPS web site to ship a 20 pound box, 45x45x8 inches from Los Angeles to NY. $115 by UPS ground, and they did calculate by dimensional weight (80 pounds!) plus th
/archives//html/Towertalk/2004-01/msg00387.html (9,002 bytes)

338. Re: [TowerTalk] grounding (score: 1)
Author: Jim Lux <jimlux@earthlink.net>
Date: Fri, 23 Jan 2004 15:50:58 -0800
At 11:14 PM 1/23/2004 +0000, Rob Atkinson, K5UJ wrote: <<<But then, you may see oxidation starting to build up in the joint and possibly rendering the connection useless (meaning high resistance). >>
/archives//html/Towertalk/2004-01/msg00414.html (10,419 bytes)

339. Re: [TowerTalk] square towers (score: 1)
Author: "Jim Lux" <jimlux@earthlink.net>
Date: Sun, 25 Jan 2004 09:49:24 -0800
Comments on Jim's comments below 1) Indeed, this square design does have more material (potentially) than a triangular tower.. but, mass of material isn't everything (otherwise, we'd make towers out
/archives//html/Towertalk/2004-01/msg00443.html (10,373 bytes)

340. Re: [TowerTalk] New power line phenomena problem (score: 1)
Author: "Jim Lux" <jimlux@earthlink.net>
Date: Sun, 25 Jan 2004 14:01:21 -0800
I think you'd have a hard time getting usable power from this scheme. The precautions about grounding parallel fences etc are more aimed at transients (lightning and switching). Consider this: assume
/archives//html/Towertalk/2004-01/msg00463.html (15,978 bytes)


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