Mail Archive Search: <+subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+Open\s+Wire\s*$/>

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+Open\s+Wire\s*$/: 33 ]

Total 33 documents matching your query.

1. [TowerTalk] Open Wire (score: 1): Author: w0hh@grapevine.net (Tom Champlin); Date: Mon, 15 Nov 1999 09:11:13 -0600; I got on the air in '58. Open wire, for the most part, had already come and gone even then. I have always used a good coax cable. I too had a Johnson KW Matchbox, worked great with coax . I cant even; /archives//html/Towertalk/1999-11/msg00301.html (8,804 bytes)
2. [TowerTalk] Open Wire (score: 1): Author: DavidC" <eDoc@netzero.net (DavidC); Date: Mon, 15 Nov 1999 10:44:02 -0500; I think perspective and opportunity are the issues here. Coax run to all resonant antennas is nice if you can do it. Some of us either lack the real estate or money to have a system with resonant an; /archives//html/Towertalk/1999-11/msg00302.html (10,623 bytes)
3. [TowerTalk] Open Wire (score: 1): Author: smidtca@sprint.ca (Carl Smidt); Date: Mon, 15 Nov 1999 12:41:44 -0400; The apparently overlooked point is that if you have to settle for a multi-band (compromise) antenna, with full band coverage on each band, an open-wire feedline is mandatory unless you want to loose; /archives//html/Towertalk/1999-11/msg00304.html (10,101 bytes)
4. [TowerTalk] Open Wire (score: 1): Author: ka4inm@qsl.net (Ron Youvan); Date: Mon, 15 Nov 1999 20:13:28 +0000; Hi: I hadn't heard about that, I put 100 feet up in 1973, worked great. Fell apart.(with 100' of Copperweld AWG #14) which I have had up since then as a 40 meter dipole with a current BALUN and RG-11; /archives//html/Towertalk/1999-11/msg00312.html (8,561 bytes)
5. [TowerTalk] Open Wire (score: 1): Author: alsopb@gloryroad.net (alsopb); Date: Tue, 16 Nov 1999 08:12:29 +0000; Guys, My simple question about why one would use open wire in these days generated quite a bit of "noise" for open wire fans. There are two chief benefits from them: 1) Long runs like 1000' plus are; /archives//html/Towertalk/1999-11/msg00320.html (10,908 bytes)
6. [TowerTalk] Open Wire (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Tue, 16 Nov 1999 09:43:51 -0600; Not only the price, but the lossses. My open wire line is about 500' long. It runs 380 feet horizontal from the shack to directly beneath the center insulator on my 133' dipole 160' in the air. I us; /archives//html/Towertalk/1999-11/msg00325.html (10,761 bytes)
7. [TowerTalk] Open Wire (score: 1): Author: DavidC" <eDoc@netzero.net (DavidC); Date: Tue, 16 Nov 1999 11:50:08 -0500; I don't receive QST at the moment. Who is selling tuners with 30% loss? Or is that under very unusual conditions? I cannot believe that there is a single Ham who would knowing buy a tuner with 30% l; /archives//html/Towertalk/1999-11/msg00327.html (9,541 bytes)
8. [TowerTalk] Open Wire (score: 1): Author: hwardsil@WOLFENET.com (Ward Silver); Date: Tue, 16 Nov 1999 09:33:23 -0800 (PST); 30% sounds like a lot, but it's only 1.55 dB. Not to be ignored, by any means, but not a brutal signal reduction. 0.5 dB is about 10% signal loss. 73, Ward N0AX -- FAQ on WWW: http://www.contesting.; /archives//html/Towertalk/1999-11/msg00328.html (9,434 bytes)
9. [TowerTalk] Open Wire (score: 1): Author: rthorne@tcac.net (Richard Thorne); Date: Tue, 16 Nov 1999 12:32:14 -0600; I wouldn't buy a tuner period, unless I was forced to. No tuner here accept for the one in the rig to handle cw to ssb excursions on the low bands. I'd rather spend the $300 to $400 or more to reason; /archives//html/Towertalk/1999-11/msg00330.html (11,674 bytes)
10. [TowerTalk] Open Wire (score: 1): Author: k2av@contesting.com (Guy Olinger, K2AV); Date: Tue, 16 Nov 1999 13:57:46 -0500; A 30% tuner loss is huge and would be dissipating 500W of a 1500 watt input in a closed space. That wouldn't take long to set it on fire internally, and would quickly make it too hot to touch. On the; /archives//html/Towertalk/1999-11/msg00331.html (11,086 bytes)
11. [TowerTalk] Open Wire (score: 1): Author: mcduffie@scottsbluff.net (Gary McDuffie, Sr.); Date: Tue, 16 Nov 1999 14:16:52 -0700; I have a friend who peeled the paint on one of the Dentron tuners a few years ago, and he only had a FL2100 at the time for an amp. Gary -- Please notify your ISP if you don't receive this. -- FAQ on; /archives//html/Towertalk/1999-11/msg00333.html (9,395 bytes)
12. [TowerTalk] Open Wire (score: 1): Author: DavidC" <eDoc@netzero.net (DavidC); Date: Tue, 16 Nov 1999 16:45:14 -0500; You folks are all making me nervous. Anyone have solid knowledge of the Dentron MT-3000A? I am interested to know how it stands up under full power when tuning into a 450 commercial line fed 160 or; /archives//html/Towertalk/1999-11/msg00334.html (10,306 bytes)
13. [TowerTalk] Open Wire (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Tue, 16 Nov 1999 16:15:51 -0700; Hi Yall, There is not much reason to be guessing about tuner losses. Of course it is possible to design a pathologically poor tuner. And it is possible to misapply a well designed unit. But a correct; /archives//html/Towertalk/1999-11/msg00339.html (11,134 bytes)
14. [TowerTalk] Open Wire (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Tue, 16 Nov 1999 17:32:12 -0600; The proof of the pudding in store-bought tuners is usually 160 meters. The two capacitors in the "T" configuration are usually 200-250pf each; not near enough for the proper L/C ratio on Top Band. T; /archives//html/Towertalk/1999-11/msg00340.html (9,799 bytes)
15. [TowerTalk] Open Wire (score: 1): Author: kh7m@hsa-kauai.net (Jim Reid); Date: Tue, 16 Nov 1999 14:03:55 -1000; Another very nice design parameter of the Palstar AT4K antenna tuner: 350 pF variables and the option to switch in another 7.5kV 350 pF in parallel with the 350 pF output variable C. 28 uhy roller is; /archives//html/Towertalk/1999-11/msg00342.html (11,379 bytes)
16. [TowerTalk] Open Wire (score: 1): Author: ka4inm@qsl.net (Ron Youvan); Date: Wed, 17 Nov 1999 03:05:20 +0000; Hi: << A 30% tuner loss is huge and would be dissipating 500W of a 1500 watt input in a closed space. That wouldn't take long to set it on fire internally, and would quickly make it too hot to touch.; /archives//html/Towertalk/1999-11/msg00348.html (8,837 bytes)
17. [TowerTalk] Open Wire (score: 1): Author: la5he@yahoo.no (ragnar otterstad); Date: Wed, 17 Nov 1999 09:01:39 +0100 (CET); One of the weak points in the Dentron tuner is the band switch, which dont tolerate too much current. I burned one out compeletely some years ago, when my antenna configuration made the switch a hig; /archives//html/Towertalk/1999-11/msg00354.html (8,516 bytes)
18. [TowerTalk] Open Wire (score: 1): Author: ka4inm@qsl.net (Ron Youvan); Date: Wed, 17 Nov 1999 15:37:21 +0000; Hi: << the band switch, which dont tolerate too much current. I burned one out compeletely some years ago, when my antenna configuration made the switch a high current spot. >> My automatic antenna t; /archives//html/Towertalk/1999-11/msg00359.html (8,427 bytes)
19. [TowerTalk] Open wire (score: 1): Author: w4lde <w4lde@numail.org>; Date: Mon, 28 Sep 2009 14:42:11 -0400; This is off topic but here goes. I am feeding a 80 meter center feed with open wire, about 100ft feed-line. Due to some new construction work that is going to start on the back of our home this week; /archives//html/Towertalk/2009-09/msg00501.html (8,037 bytes)
20. Re: [TowerTalk] Open wire (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Mon, 28 Sep 2009 11:52:42 -0700; Open wire line is highly over-rated, especially on a resonant antenna. Do yourself a favor and buy 100 ft of RG8 or RG11. Now, you can add a coaxial ferrite choke at the feedpoint, which will likely; /archives//html/Towertalk/2009-09/msg00502.html (7,708 bytes)

Current List: 1 - 20
Page: [1] [2]