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Total 12 documents matching your query.

1. [TowerTalk] Baluns and SWR (score: 1): Author: tmartin@chartermi.net (Tom Martin); Date: Thu, 17 May 2001 11:42:24 -0500; I have read so many posts about baluns and SWR that I am thoroughly confused! I am going to be erecting a 96 foot tower with a 5 element Telex 20 meter monobander and a 2 element S-402 by Mosley and; /archives//html/Towertalk/2001-05/msg00387.html (9,006 bytes)
2. [TowerTalk] Baluns and SWR (score: 1): Author: dhearn@ix.netcom.com (dan hearn); Date: Thu, 17 May 2001 11:26:16 -0700; Tom: There is a very complete set of measurements which will answer all of your questions at http://www.berkshire.net/~robbins/technote/airbalun.html 73, Dan, N5AR List Sponsor: Champion Radio Produc; /archives//html/Towertalk/2001-05/msg00388.html (10,402 bytes)
3. [TowerTalk] Baluns and SWR (score: 1): Author: K7GCO@aol.com (K7GCO@aol.com); Date: Thu, 24 May 2001 05:33:29 EDT; << In a message dated 5/17/01 9:39:16 AM Pacific Daylight Time, tmartin@chartermi.net writes: << I have read so many posts about baluns and SWR that I am thoroughly confused! I am going to be erectin; /archives//html/Towertalk/2001-05/msg00505.html (18,186 bytes)
4. [TowerTalk] Baluns and SWR (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Thu, 24 May 2001 09:56:01 -0400; There is conflicting information because the design is a "loose" design. Choke baluns work with a broad range of configurations, they are not critical devices. I prefer a single-layer solenoid and s; /archives//html/Towertalk/2001-05/msg00510.html (12,247 bytes)
5. [TowerTalk] Baluns and SWR (score: 1): Author: n2tk@earthlink.net (N2TK); Date: Thu, 24 May 2001 10:46:12 -0400; Tom, if you are bringing your coax cables down to a coax switch mounted near the bottom of the tower, would you still recommend bonding the shield of the coax? If so, do you bond it as close to the b; /archives//html/Towertalk/2001-05/msg00512.html (13,476 bytes)
6. [TowerTalk] Baluns and SWR (score: 1): Author: n3rr@erols.com (Bill Hider); Date: Thu, 24 May 2001 15:17:20 +0100; The issue of grounding the coax at the top and bottom of the tower has more to do with lightning protection than RF. It's good for both aspects, though, so there's no tradeoff here. All coax should b; /archives//html/Towertalk/2001-05/msg00513.html (16,423 bytes)
7. [TowerTalk] Baluns and SWR (score: 1): Author: Kevin Hemsley" <kev@ida.net (Kevin Hemsley); Date: Thu, 24 May 2001 11:40:16 -0600; -- Kevin Hemsley Systems Engineer Microserv Computer Technologies, Inc. kev@ida.net KB7TYA Ed Gilbert, WA2SRQ eyg@hpnjlc.njd.hp.com -- Having access to a Hewlett-Packard 4193A vector impedance meter; /archives//html/Towertalk/2001-05/msg00516.html (17,003 bytes)
8. [TowerTalk] Baluns and SWR (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Fri, 25 May 2001 06:05:43 -0400; The coax should always be grounded at the top of the tower when a balun is used. That insures the cable shield is at tower potential for both lightning and RF. I had a bad case of TVI once because a; /archives//html/Towertalk/2001-05/msg00520.html (9,749 bytes)
9. [TowerTalk] Baluns and SWR (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Fri, 25 May 2001 06:05:43 -0400; Actually the parallel impedance increases above the self-resonant frequency. The only reduction in impedance occurs at frequencies more than 1.4 times the resonant frequency. If you have a choke of; /archives//html/Towertalk/2001-05/msg00521.html (13,495 bytes)
10. [TowerTalk] Baluns and SWR (score: 1): Author: kg2au@stny.rr.com (Jimmy Weierich); Date: Fri, 25 May 2001 10:44:30 -0400; Tom, I rarely see transmission line transformer baluns, a la W2FMI, mentioned on this reflector. Is there a reason for this other than their relative construction complexity? How, in your opinion, do; /archives//html/Towertalk/2001-05/msg00522.html (8,351 bytes)
11. [TowerTalk] Baluns and SWR (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sat, 26 May 2001 00:18:42 -0400; Transmission line baluns are poor baluns for most applications. They are much more impedance and load critical than choke baluns, more lossy, and don't do as good a job. They are more difficult to m; /archives//html/Towertalk/2001-05/msg00534.html (8,785 bytes)
12. [TowerTalk] Baluns and SWR (score: 1): Author: jayt@arraysolutions.com (JayTerleski); Date: Sat, 26 May 2001 13:01:50 -0500; Jimmy and all, I wanted to get to this question earlier, but have been swamped. W2FMI in his latest book does a superb job of going over the history of baluns. Everyone should at least get this book; /archives//html/Towertalk/2001-05/msg00555.html (11,357 bytes)

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