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References: [ +from:cebik@utkux.utcc.utk.edu: 367 ]

Total 367 documents matching your query.

21. [TowerTalk] Movin' on (score: 1)
Author: cebik@utkux.utcc.utk.edu (L. B. Cebik)
Date: Sat, 21 Aug 1999 11:07:07 -0400 (EDT)
Cat is out of the bag. With retirement, I shall be moving my site. Actually, I already have, but have not tested every item in the collection. The new URL will be easier to remember: http://www.cebik
/archives//html/Towertalk/1999-08/msg00361.html (7,900 bytes)

22. [TowerTalk] ON4ANT's 5-band forward stagger Yagi. . . (score: 1)
Author: cebik@utkux.utcc.utk.edu (L. B. Cebik)
Date: Fri, 16 Jul 1999 10:28:25 -0400 (EDT)
on a 60' boom (18.25 m) is now in the air, with a few improvements over his last report to me. So I have added his latest dimensions, NEC-4 performance predictions, and a photograph of the completed
/archives//html/Towertalk/1999-07/msg00270.html (7,643 bytes)

23. [TowerTalk] New at site (score: 1)
Author: cebik@utkux.utcc.utk.edu (L. B. Cebik)
Date: Sat, 17 Jul 1999 21:26:43 -0400 (EDT)
Several requests and strong feedback from the original CQ article (a sort of tutorial for newcomers to antenna patterns as derived from models) has led me to place a revised version of the item on Ge
/archives//html/Towertalk/1999-07/msg00300.html (7,493 bytes)

24. [TowerTalk] Understanding scientific discussions (score: 1)
Author: cebik@utkux.utcc.utk.edu (L. B. Cebik)
Date: Thu, 22 Jul 1999 11:12:07 -0400 (EDT)
In cleaning out some old files that date back to when I served as Assistant Dean for Research at UTK, I ran into the following item that will clarify many discussions you encounter in science and eng
/archives//html/Towertalk/1999-07/msg00377.html (9,357 bytes)

25. [TowerTalk] The old "Small Beam" series (score: 1)
Author: cebik@utkux.utcc.utk.edu (L. B. Cebik)
Date: Thu, 22 Jul 1999 15:53:52 -0400 (EDT)
I get requests for parts of the "Modeling and Understanding Small Beams" that appeared between 1995 and 97 in Communications Quarterly. As well, a number of the notes at the site are updates on or ex
/archives//html/Towertalk/1999-07/msg00379.html (8,386 bytes)

26. [TowerTalk] Something old; something new (score: 1)
Author: cebik@utkux.utcc.utk.edu (L. B. Cebik)
Date: Sat, 24 Jul 1999 07:28:11 -0400 (EDT)
After distributing the Keys to Understanding Scientific Discussion and Literature, I received a wonderful array of appreciative notes, equally divided between those who vaguely remembered the list an
/archives//html/Towertalk/1999-07/msg00410.html (11,103 bytes)

27. [TowerTalk] Updated DE-Dir + 17-12 Beam designs (score: 1)
Author: cebik@utkux.utcc.utk.edu (L. B. Cebik)
Date: Sun, 25 Jul 1999 20:17:25 -0400 (EDT)
I have update the notes on DE+Dir Yagis, with 17-12 meter combined designs by adding a longer boom combo with an extra dB gain on 12 meters (about 7.2 dBi F.S.) to go with the shorter boom models. Ju
/archives//html/Towertalk/1999-07/msg00436.html (7,701 bytes)

28. [TowerTalk] New item at site (score: 1)
Author: cebik@utkux.utcc.utk.edu (L. B. Cebik)
Date: Wed, 28 Jul 1999 08:17:05 -0400 (EDT)
As an interesting exercise in self-edification, I put together a small item in the VHF section of the index called "Phased Yagis, EDZ Beams, and Landsdorfer-Sacher Yagis," which looks at their proper
/archives//html/Towertalk/1999-07/msg00474.html (7,826 bytes)

29. [TowerTalk] Understanding/Producing Scientific Literature (score: 1)
Author: cebik@utkux.utcc.utk.edu (L. B. Cebik)
Date: Wed, 28 Jul 1999 10:33:42 -0400 (EDT)
The response to my pair of notes related to scientific literature and invention has been sufficiently good that I have placed them together at the site. I added a third nugget that fell out of an old
/archives//html/Towertalk/1999-07/msg00481.html (7,812 bytes)

30. [TowerTalk] Careless dBd-ing (score: 1)
Author: cebik@utkux.utcc.utk.edu (L. B. Cebik)
Date: Fri, 4 Jun 1999 08:59:44 -0400 (EDT)
Some comparisons referenced on one of the distribution lists gave me the occasion to do a short note on Some Pitfalls of Careless dBd-ing. It is on the main index, in the modeling section, just under
/archives//html/Towertalk/1999-06/msg00028.html (7,371 bytes)

31. [TowerTalk] T2FD Modeling Note (score: 1)
Author: cebik@utkux.utcc.utk.edu (L. B. Cebik)
Date: Mon, 7 Jun 1999 11:33:03 -0400 (EDT)
I have received several requests to develop some systematic modeling data on the T2FD. A preliminary note in this direction is not at the site, under the modeling category in the main index. I hope i
/archives//html/Towertalk/1999-06/msg00051.html (7,283 bytes)

32. [TowerTalk] NOT--NOW: T2FD Note (score: 1)
Author: cebik@utkux.utcc.utk.edu (L. B. Cebik)
Date: Mon, 7 Jun 1999 12:16:23 -0400 (EDT)
I hate Monday mornings. "now at site" became "not at site", even though it really is there. Or was when I just looked. Sorry about any confusion. -73- LB, W4RNL L. B. Cebik, W4RNL /\ /\ * / / / (Off)
/archives//html/Towertalk/1999-06/msg00052.html (7,414 bytes)

33. [TowerTalk] Modeling and measurement (score: 1)
Author: cebik@utkux.utcc.utk.edu (L. B. Cebik)
Date: Sun, 20 Jun 1999 10:40:08 -0400 (EDT)
Mention in the discussion has been made to what modeling patterns show, but all references have been to what we call the far-field pattern, which NEC literature calls the RP0 output, defined as "The
/archives//html/Towertalk/1999-06/msg00207.html (8,442 bytes)

34. [TowerTalk] Moxon rectangle notes (score: 1)
Author: cebik@utkux.utcc.utk.edu (L. B. Cebik)
Date: Tue, 4 May 1999 22:21:32 -0400 (EDT)
I have added some new notes on the Moxon rectangle used as a wire beam on 40 to the site. In the process--to keep the main index from getting longer than it is--I collected all the Moxon related entr
/archives//html/Towertalk/1999-05/msg00105.html (7,568 bytes)

35. [TowerTalk] dBd (score: 1)
Author: cebik@utkux.utcc.utk.edu (L. B. Cebik)
Date: Sat, 8 May 1999 07:46:25 -0400 (EDT)
I have added a footnote on gain figures in dBd to the note (in the upper HF part of the index) on lobe formation, since the graphed data lent themselves to some interesting comparisons. Consider: one
/archives//html/Towertalk/1999-05/msg00157.html (7,314 bytes)

36. [TowerTalk] Dayton Booth #s (score: 1)
Author: cebik@utkux.utcc.utk.edu (L. B. Cebik)
Date: Sun, 9 May 1999 07:11:04 -0400 (EDT)
Many thanks to Tim Duffy, K3LR, for posting the schedule of the Antenna Technology Forum. Some manufacturers/distributors have posted their booth numbers. It would be a useful planning tool for those
/archives//html/Towertalk/1999-05/msg00184.html (7,452 bytes)

37. [TowerTalk] Stack differences update (score: 1)
Author: cebik@utkux.utcc.utk.edu (L. B. Cebik)
Date: Wed, 19 May 1999 18:23:14 -0400 (EDT)
N6BV called my attention to a topic I never got to in the Note on what differences antenna differences make to a stack. I finally did a small demonstration of the effects of current magnitude and pha
/archives//html/Towertalk/1999-05/msg00312.html (7,549 bytes)

38. [TowerTalk] More Match Box photos (score: 1)
Author: cebik@utkux.utcc.utk.edu (L. B. Cebik)
Date: Sat, 22 May 1999 21:03:47 -0400 (EDT)
Thanks to SM5HUA, I have added a front and back view of the KW Match Box to those of the 275 watt unit. A number of folks have indicated that they would not recognize a Match Box at a ham fest, and o
/archives//html/Towertalk/1999-05/msg00341.html (7,627 bytes)

39. [TowerTalk] Annecke interiors (score: 1)
Author: cebik@utkux.utcc.utk.edu (L. B. Cebik)
Date: Sun, 23 May 1999 09:10:48 -0400 (EDT)
THanks to Jan Anker, ON4CAF/PA0LBN, I have added 3 interior shots of the Annecke link coupler to the Link item at the site. Also a link to a source of the Johnson Match Box Manual. The contribution o
/archives//html/Towertalk/1999-05/msg00343.html (7,527 bytes)

40. [TowerTalk] Quad Model Study, Part 7 (score: 1)
Author: cebik@utkux.utcc.utk.edu (L. B. Cebik)
Date: Thu, 1 Apr 1999 14:16:59 -0500 (EST)
For those who have shown interest in the notes I placed at the site on models of quads in my collection, I have added a 7th part on modeling the use of 1/4 wl stubs as part of a remote switching syst
/archives//html/Towertalk/1999-04/msg00014.html (7,934 bytes)


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