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Total 22 documents matching your query.

1. [TowerTalk] Vertical balun (score: 1): Author: "Tom Champlin" <w0hh@msn.com>; Date: Thu, 18 Dec 2003 17:44:01 -0600; The recent discussion of ground radials has been a big help for me. There is just one other thing that bothers me. Most hams would probably either run buried PVC to put the feed line in, which would; /archives//html/Towertalk/2003-12/msg00534.html (7,135 bytes)
2. Re: [TowerTalk] Vertical balun (score: 1): Author: Don Havlicek <n8de@thepoint.net>; Date: Thu, 18 Dec 2003 19:18:33 -0500; Tom, Good question! I never used a balun on the 80m vertical, but might when I replace the coax this Spring. I'll be interested in reading the responses to your query. Don N8DE Tom Champlin wrote: Th; /archives//html/Towertalk/2003-12/msg00535.html (8,689 bytes)
3. Re: [TowerTalk] Vertical balun (score: 1): Author: Jan Erik Holm <sm2ekm@telia.com>; Date: Fri, 19 Dec 2003 05:45:10 +0100; Why a balun? 73 Jim SM2EKM -- Don Havlicek wrote: Tom, Good question! I never used a balun on the 80m vertical, but might when I replace the coax this Spring. I'll be interested in reading the respon; /archives//html/Towertalk/2003-12/msg00544.html (9,769 bytes)
4. Re: [TowerTalk] Vertical balun (score: 1): Author: "Tom Champlin" <w0hh@msn.com>; Date: Thu, 18 Dec 2003 23:08:32 -0600; Well, for instance, I just bought a Big SteppIR vertical. The company recommends a balun in some cases. They said it was to keep the RF from coming down the coax. They also sell this balun. Not being; /archives//html/Towertalk/2003-12/msg00547.html (11,764 bytes)
5. Re: [TowerTalk] Vertical balun (score: 1): Author: Jan Erik Holm <sm2ekm@telia.com>; Date: Fri, 19 Dec 2003 07:41:54 +0100; Again, why a balun? StepIR should know better. If there are RF currents on the braid of the feedline you need to cut the braid, that is from an RF point of view. That you do with forexample ferrite b; /archives//html/Towertalk/2003-12/msg00551.html (12,552 bytes)
6. Re: [TowerTalk] Vertical balun (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Fri, 19 Dec 2003 07:38:46 -0500; At 07:41 AM 12/19/03 +0100, SM2EKM wrote: If there are RF currents on the braid of the feedline you need to cut the braid, that is from an RF point of view. That you do with forexample ferrite beads,; /archives//html/Towertalk/2003-12/msg00553.html (9,382 bytes)
7. Re: [TowerTalk] Vertical balun (score: 1): Author: Don Havlicek <n8de@thepoint.net>; Date: Fri, 19 Dec 2003 07:56:10 -0500; Jim, His comment/query concerned the common mode current on the feedline if it is in the radial field. I'm waiting for comments about balun. Don N8DE Jan Erik Holm wrote: Why a balun? 73 Jim SM2EKM -; /archives//html/Towertalk/2003-12/msg00554.html (11,165 bytes)
8. Re: [TowerTalk] Vertical balun (score: 1): Author: "Ron & Madhavi" <mchilkuri@kasnet.com>; Date: Fri, 19 Dec 2003 08:00:00 -0500; I stacked about 10 torroids directly below the feed point of my wire vertical, but it didn't do a thing to choke the common mode currents. Seeing I can't have a heavy coax coil balun directly under m; /archives//html/Towertalk/2003-12/msg00555.html (11,303 bytes)
9. Re: [TowerTalk] Vertical balun (score: 1): Author: Red <RedHaines@centurytel.net>; Date: Fri, 19 Dec 2003 08:55:28 -0600; For information about baluns, what they do, and in what circumstances they are useful, search the articles by W2FMI, Jerry Sevick and W7EL, Roy Lewallen in QST and in their books. Each is an educated; /archives//html/Towertalk/2003-12/msg00561.html (11,529 bytes)
10. Re: [TowerTalk] Vertical balun (score: 1): Author: Jan Erik Holm <sm2ekm@telia.com>; Date: Fri, 19 Dec 2003 16:33:35 +0100; Thank´s but I have read all that material, also I know what a balun is and when to use it however some people doesn´t seem to know since they use them when other things should be used ins; /archives//html/Towertalk/2003-12/msg00566.html (9,416 bytes)
11. Re: [TowerTalk] Vertical balun (score: 1): Author: Jan Erik Holm <sm2ekm@telia.com>; Date: Fri, 19 Dec 2003 16:40:50 +0100; Indeed, I forgot about coiling up the coax, I´ve used it many times, workes great. Same here, no stores for UNUN, baluns and gizmo stuff, however I have a lot of 50 ohm coax, besides UNUN&acute; /archives//html/Towertalk/2003-12/msg00567.html (9,617 bytes)
12. Re: [TowerTalk] Vertical balun (score: 1): Author: K3BU@aol.com; Date: Fri, 19 Dec 2003 11:46:02 EST; the coax around a 3.5" dia 12" former at the point the feeder enters the shack - Viola......it cured all my RFI problems.<< I hated baluns after I fried Hi-Q balun, which stunk for years (fried ferri; /archives//html/Towertalk/2003-12/msg00573.html (8,963 bytes)
13. Re: [TowerTalk] Vertical balun (score: 1): Author: "AA6DX" <aa6dx@pacbell.net>; Date: Sat, 20 Dec 2003 20:31:32 -0800; Here's interesting info on the subject, even using LED.. 73 .. Mark http://www.antentop.bel.ru/004/trap_004.htm -- Original Message -- From: "Jan Erik Holm" <sm2ekm@telia.com> To: <towertalk@contesti; /archives//html/Towertalk/2003-12/msg00630.html (11,195 bytes)
14. [TowerTalk] VERTICAL BALUN (score: 1): Author: "K4PI" <k4pi@earthlink.net>; Date: Fri, 4 Nov 2005 12:21:23 -0000; Sometime ago there was some discussion about using baluns at the base of verticals for reasons different from what they are used for on yagis, dipoles etc. In ON4UN's book I don't see any in the pict; /archives//html/Towertalk/2005-11/msg00147.html (7,337 bytes)
15. Re: [TowerTalk] VERTICAL BALUN (score: 1): Author: "KC1DI" <elbc2@pivot.net>; Date: Fri, 4 Nov 2005 07:51:33 -0500 (Eastern Standard Time); --Original Message-- From: K4PI Date: 11/04/05 07:21:42 To: towertalk@contesting.com Subject: [TowerTalk] VERTICAL BALUN Sometime ago there was some discussion about using baluns at the base of verti; /archives//html/Towertalk/2005-11/msg00149.html (8,578 bytes)
16. Re: [TowerTalk] VERTICAL BALUN (score: 1): Author: <donovanf@starpower.net>; Date: Fri, 4 Nov 2005 08:54:50 -0500; Mike, I use a 4-square vertical array on 160 meters. Until last month, I had two elevated radials per vertical. That system had large stacks of ferrite cores ("baluns") on each feedline at the base o; /archives//html/Towertalk/2005-11/msg00153.html (8,104 bytes)
17. Re: [TowerTalk] VERTICAL BALUN (score: 1): Author: "Tom Rauch" <w8ji@contesting.com>; Date: Fri, 4 Nov 2005 09:01:53 -0500; Not really. Balance and UNbalanced in the context of antennas describes voltages, not currents. All two terminal feed systems, coaxial or parallel wires, have equal and opposite phase currents in ea; /archives//html/Towertalk/2005-11/msg00155.html (12,038 bytes)
18. Re: [TowerTalk] VERTICAL BALUN (score: 1): Author: "Tom Rauch" <w8ji@contesting.com>; Date: Fri, 4 Nov 2005 09:40:57 -0500; and of #14 The east Frank, I live way down here in Georgia, 1000 miles further from Europe with almost the same path as the east coast but a longer distance. I need people in the NE to use elevated; /archives//html/Towertalk/2005-11/msg00160.html (8,564 bytes)
19. Re: [TowerTalk] VERTICAL BALUN (score: 1): Author: Ian White G/GM3SEK <gm3sek@ifwtech.co.uk>; Date: Fri, 4 Nov 2005 18:20:07 +0000; Sorry, Tom, I have a big problem about using the term "balun" around any antenna that cannot ever be "balanced" as you define it - and isn't even intended to be. I agree completely with your definiti; /archives//html/Towertalk/2005-11/msg00170.html (10,288 bytes)
20. Re: [TowerTalk] VERTICAL BALUN (score: 1): Author: "Keith Dutson" <kdutson@sbcglobal.net>; Date: Fri, 4 Nov 2005 14:10:24 -0600; ground. -and ourselves by deliberately calling things something different from what they are. Please let's stop - the universe is already quite confusing enough. What about a vertical dipole? :) 73,; /archives//html/Towertalk/2005-11/msg00177.html (11,365 bytes)

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