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Total 367 documents matching your query.

301. [TowerTalk] Aluminum elbows ?? (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Fri, 9 May 1997 06:47:05 -0400 (EDT); Are there any such things as aluminum elbows (similar in construction to the copper pipe elbows used in plumbing)? IF there are, I need 4 for corners of an experimental antenna using 1" OD al tubing.; /archives//html/Towertalk/1997-05/msg00261.html (7,527 bytes)
302. [TowerTalk] Al elbows (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Sat, 10 May 1997 09:00:49 -0400 (EDT); My thanks to all who took the time to give me enough suggestions to prowl the local shops for the next several weeks. Lots of new potential adaptive uses for existing items and lots of techniques to; /archives//html/Towertalk/1997-05/msg00295.html (12,775 bytes)
303. [TowerTalk] a little more on EDZ potentials (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Sun, 11 May 1997 07:31:49 -0400 (EDT); I have added just a few notes and 1 graphic to the EDZ Update notes at the site. They are unimportant practically, unless you are curious about how you might make a non-Yagi beam with 21 dBi forward; /archives//html/Towertalk/1997-05/msg00307.html (8,026 bytes)
304. [TowerTalk] half-size verticals (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Tue, 13 May 1997 14:13:35 -0400 (EDT); For those who read themselves to sleep, I have add another 5-part item at the site on half-size verticals and methods of loading. Covers full-size and capacity hat models, along with lumped constant; /archives//html/Towertalk/1997-05/msg00339.html (7,846 bytes)
305. [TowerTalk] Autek RF-1 (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Fri, 16 May 1997 06:59:26 -0400 (EDT); Please post the reply, since I suspect there are a good number of users with the old manual. -73- LB, W4RNL L. B. Cebik, W4RNL /\ /\ * / / / (Off)(423) 974-7215 1434 High Mesa Drive / \/ \/\ --/\--; /archives//html/Towertalk/1997-05/msg00397.html (8,039 bytes)
306. [TowerTalk] Re: Shortened Monopoles (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Fri, 16 May 1997 08:42:29 -0400 (EDT); John, Your question has general interest, so I'll post my notes to you. Hats need never be perpendicular to ground. They work on the ends of dipoles at 90-degrees to ground; I have constructed 2-ele; /archives//html/Towertalk/1997-05/msg00401.html (9,994 bytes)
307. [TowerTalk] Re: New HF beam product (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Sun, 18 May 1997 07:59:07 -0400 (EDT); A better comparison for the announced beam might be the idealized 3-element beam I have used for some comparisons, with a max gain in the region of 8 dBi (free space). Comparing 2 and 3 element beams; /archives//html/Towertalk/1997-05/msg00441.html (8,454 bytes)
308. [TowerTalk] exporting EZNEC descriptions (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Tue, 20 May 1997 16:00:04 -0400 (EDT); Pete's question is bound to become more regular as more versions of NEC appear. However, .EZ files are stored binary. EZNEC Pro/EZNEC/4 have an option for saving a file as an .NEC file. This works we; /archives//html/Towertalk/1997-05/msg00503.html (8,482 bytes)
309. [TowerTalk] exporting EZNEC descriptions (summary) (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Thu, 22 May 1997 12:11:10 -0400 (EDT); Sorry to report that my copy of EZNEC, Version 2.00, does not have the .NEC option for saving files. However, it does have the Print Description (PD) option of saving the antenna description to a fil; /archives//html/Towertalk/1997-05/msg00529.html (8,801 bytes)
310. [TowerTalk] "Ground" planes (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Thu, 22 May 1997 12:33:07 -0400 (EDT); I have been playing with models of ground planes for some time--and also capacity hats--all of which has given me some strange ideas about the two. I hinted at the route of analysis I am taking is a; /archives//html/Towertalk/1997-05/msg00530.html (8,797 bytes)
311. [TowerTalk] Ground Plane series (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Fri, 23 May 1997 14:31:40 -0400 (EDT); The 5-part series on ground plane vertical antennas is now at my site. I found some of the results fascinating. I hope a few will find the notes useful, even if too long. URL is in the signature line; /archives//html/Towertalk/1997-05/msg00547.html (7,350 bytes)
312. [TowerTalk] Reprinting antenna material (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Sat, 24 May 1997 07:26:54 -0400 (EDT); I have had over the last few months miscellaneous requests to reprint some items from my site in club newsletters. The chief concern of folks has been the copyright retention notice under each item.; /archives//html/Towertalk/1997-05/msg00553.html (7,966 bytes)
313. [TowerTalk] Re: Wallpaper woes (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Sun, 25 May 1997 07:57:26 -0400 (EDT); John's observation is a good one, and I shall try to replace the "fur" background with a "light paper" background this summer--on a time available basis. Stark white as a background hurts my eyes in; /archives//html/Towertalk/1997-05/msg00576.html (9,338 bytes)
314. [TowerTalk] Re: Wallpaper woes (fwd) (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Sun, 25 May 1997 09:21:40 -0400 (EDT); Tom sent me a follow-up that gives detailed instructions on how to achieve Dave's local override of wallpaper on Netscape. -73- LB, W4RNL -- I've had the same trouble on numerous Web pages. The cure; /archives//html/Towertalk/1997-05/msg00579.html (7,074 bytes)
315. [TowerTalk] Les Moxon, HF Antennas for All Locations (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Tue, 27 May 1997 15:57:28 -0400 (EDT); The two books are written from different perspectives and have different goals. The ARRL book is a compendium of theory and practice, with a high emphasis in recent editions on Yagi design, but with; /archives//html/Towertalk/1997-05/msg00622.html (9,487 bytes)
316. [TowerTalk] addition to the trap page (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Tue, 1 Apr 1997 10:27:26 -0500 (EST); To make it easier for folks to calculate the properties of traps, especially their Q, at other than their resonant frequencies, I added to the web page a crude little BASIC utility program to do the; /archives//html/Towertalk/1997-04/msg00007.html (7,556 bytes)
317. [TowerTalk] Field Day antennas (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Wed, 2 Apr 1997 09:13:09 -0500 (EST); With Field Day planning getting into high gear, I find that the number of questions I receive on light weight, easy to erect, easy to disassemble antennas is on the increase (naturally). I have added; /archives//html/Towertalk/1997-04/msg00042.html (8,104 bytes)
318. [TowerTalk] Something for antenna modelers (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Sun, 6 Apr 1997 10:26:07 -0400 (EDT); Given questions about how well NEC-2 with a stepped-diameter correction, as employed in EZNEC, holds up against NEC-4 direct modeling of stepped-diameters, I have placed some notes on my website on t; /archives//html/Towertalk/1997-04/msg00174.html (8,150 bytes)
319. [TowerTalk] Another 2000' tower falls ... (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Sun, 6 Apr 1997 10:48:39 -0400 (EDT); With all the discussion of falling 2000' towers, I got curious, just in case someone was planning to pick all the pieces and put one in the back yard. A 40-meter vertical dipole atop a 2000' tower wi; /archives//html/Towertalk/1997-04/msg00176.html (7,969 bytes)
320. [TowerTalk] 2000' Yagi redux (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Mon, 7 Apr 1997 08:07:35 -0400 (EDT); Several folks--more than several--have replied to my little tongue in cheek exercise in using scrap from those fallen 2000' towers, correcting the modeling done in a 2 minute period to lighten the di; /archives//html/Towertalk/1997-04/msg00194.html (9,929 bytes)

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