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

Total 367 documents matching your query.

61. [TowerTalk] quad models update (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Sun, 28 Feb 1999 06:57:57 -0500 (EST); I have added a couple more episodes to the site entry Some Quad Models. The new ones deal with my small collection of large (>2 element) monobanders and large multi-banders. I have also added a note; /archives//html/Towertalk/1999-02/msg00563.html (7,444 bytes)
62. [TowerTalk] Modeling, Terrain, & Soil (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Mon, 4 Jan 1999 08:16:38 -0500 (EST); I have passed along the note that seems to best summarize the ideal package for modeling real antenna situations over lumpy terrain and variegated soil to one of the companies for their long range pl; /archives//html/Towertalk/1999-01/msg00069.html (8,882 bytes)
63. [TowerTalk] New page (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Sun, 10 Jan 1999 07:04:26 -0500 (EST); After name requests over the last few months, I have added a page of links to commercial antenna/tower/parts manufacturers and vendors of which I have knowledge. Although my site is strictly non-comm; /archives//html/Towertalk/1999-01/msg00157.html (7,594 bytes)
64. [TowerTalk] NVIS modeling (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Tue, 12 Jan 1999 09:25:15 -0500 (EST); Recent interest in NVIS or cloud-burner antennas has led me to add some notes on modeling issues concerning these antennas to the note at my site on Cloud Burners (now dated 1-12-99) in the Lower HF; /archives//html/Towertalk/1999-01/msg00199.html (7,297 bytes)
65. [TowerTalk] SCVs part 3 (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Tue, 19 Jan 1999 21:43:20 -0500 (EST); Since the latest issue of NCJ has now appeared, I have placed part 3 of the SCV series (on rectangles) at my site. Part 4 will deal with Half Squares, while Part 5 will cover double wides (open doubl; /archives//html/Towertalk/1999-01/msg00360.html (7,993 bytes)
66. [TowerTalk] Update on Radiotron (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Wed, 20 Jan 1999 11:35:56 -0500 (EST); I want to thank all those who made offers of help on locating a Radiotron Designer's Handbook. Think the quest is now fulfilled. I have heard that the CDROM version is available on closeout at one so; /archives//html/Towertalk/1999-01/msg00370.html (7,958 bytes)
67. [TowerTalk] Re: Radiotron Designer's Handbook (4th Edition) (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Thu, 21 Jan 1999 07:11:35 -0500 (EST); I have been inundated with questions about RDH-4, as well as many helpful comments. Here is a compendium of comments received concerning th merits of the book and source(s). (front and end matter rem; /archives//html/Towertalk/1999-01/msg00377.html (11,796 bytes)
68. [TowerTalk] Adding 12 Meters to C4 (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Sun, 24 Jan 1999 17:44:11 -0500 (EST); Since 12 m and 17 m are narrow bands, it is fairly simple to design very compact and light weight 2-element beams for general use on those bands. DE/Dir designs with element spacing in the 0.07-0.08; /archives//html/Towertalk/1999-01/msg00437.html (9,378 bytes)
69. [TowerTalk] Antenna Modeling Programs (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Fri, 11 Dec 1998 09:07:02 -0500 (EST); Antenna modeling programs available for hams (that is, the low end versions) are limited to two calculating cores: MININEC and NEC-2. Each has advantages and limitations. These are spelled out in a p; /archives//html/Towertalk/1998-12/msg00150.html (12,834 bytes)
70. [TowerTalk] Antenna modeling programs (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Sat, 12 Dec 1998 07:43:22 -0500 (EST); My original note was far too brief to be complete and should not be construed as giving a complete run down on each program--or programs that go together, like the K6STI suite that includes terrain a; /archives//html/Towertalk/1998-12/msg00168.html (9,835 bytes)
71. [TowerTalk] Quad Users (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Tue, 22 Dec 1998 06:28:51 -0500 (EST); John, I have not studied your last question, but the first two have straightforward answers. 1. 5 bands is possible for a quad, but the individual quads for each band need slight refiguring. I have d; /archives//html/Towertalk/1998-12/msg00315.html (11,334 bytes)
72. [TowerTalk] EZNEC files (a bit long) (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Tue, 22 Dec 1998 07:24:20 -0500 (EST); EZNEC files are in a proprietary format, as are ELNEC files. Any version of EZNEC will read both ELNEC and EZNEC files, but ELNEC will not read EZNEC files. The advanced version of EZNEC (EZNEC Pro); /archives//html/Towertalk/1998-12/msg00316.html (10,364 bytes)
73. [TowerTalk] Re: Vertical Antenna Ground systems (long) (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Mon, 28 Dec 1998 08:14:51 -0500 (EST); Jim, Sorry to be delayed in answering your note on verticals and GPs, but an ice storm took out power and we spent Christmas eve and day in a motel protecting ourselves and several song birds that my; /archives//html/Towertalk/1998-12/msg00440.html (12,788 bytes)
74. [TowerTalk] 10-meter LPDA (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Mon, 9 Nov 1998 10:38:27 -0500 (EST); Having searched for a single antenna that will cover all of 10-meters with roughly equal gain, F-B, and SWR, I am currently working with possible LPDA designs. Translating these designs from calculat; /archives//html/Towertalk/1998-11/msg00231.html (8,187 bytes)
75. [TowerTalk] SCV 2nd installment (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Tue, 10 Nov 1998 17:32:32 -0500 (EST); Since the 2nd installment of the SCV series (on Delta loops used as SCVs) has now appeared in NCJ, I have made it available on line as well at my site. It is in the "Lower Band" section of the main i; /archives//html/Towertalk/1998-11/msg00272.html (7,372 bytes)
76. [TowerTalk] LPDA 10-meter monoband design notes at site (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Sat, 14 Nov 1998 11:17:12 -0500 (EST); I have added a few more phases of the study to the initial monoband LPDA notes. Hope the subsequent phases of the project are useful to someone. -73- LB, W4RNL L. B. Cebik, W4RNL /\ /\ * / / / (Off)(; /archives//html/Towertalk/1998-11/msg00456.html (7,425 bytes)
77. [TowerTalk] Re: linear loading (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Tue, 17 Nov 1998 22:06:07 -0500 (EST); I can add a bit to the the difficulties of modeling linear loads in the currently available software (NEC and MININEC). NEC (both -2 and -4) have a weakness in modeling two different situations, both; /archives//html/Towertalk/1998-11/msg00557.html (11,888 bytes)
78. [TowerTalk] LPDA design update (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Wed, 18 Nov 1998 11:23:17 -0500 (EST); I have added a couple more phases (5 & 6) to the LPDA design notes. 5 covers some construction thoughts for a prototype. 6 covers the 3-el Yagi I use as a standard against which to measure other desi; /archives//html/Towertalk/1998-11/msg00572.html (7,747 bytes)
79. [TowerTalk] Re: linear loading (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Thu, 19 Nov 1998 07:32:48 -0500 (EST); Since "critical coupling" is a term properly applied to inductive coupling, it is likely better simply to classify the Force 12 multi-band antennas (but not all of them) as using open sleeve couplin; /archives//html/Towertalk/1998-11/msg00590.html (11,053 bytes)
80. [TowerTalk] More on a. LPDA and b. Stacking (score: 1): Author: cebik@utkux.utcc.utk.edu (L. B. Cebik); Date: Sat, 21 Nov 1998 21:12:40 -0500 (EST); I have added a couple of items to the site that may be of use to someone. 1. another phase of the LPDA study, this one (7) on a further investigation into the wide-band Yagi design using open-sleeve; /archives//html/Towertalk/1998-11/msg00621.html (7,746 bytes)

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