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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+\"Antenna\s+Tuner\"\s*$/: 24 ]

Total 24 documents matching your query.

1. [TowerTalk] "Antenna Tuner" (score: 1): Author: "Marsh Stewart" <marsh@ka5m.net>; Date: Sat, 3 May 2014 07:56:47 -0500; Someone posted the following on the subject of antenna tuners: "They aren't adjusting the resonance of the antenna, so what are they tuning?" When I adjust the capacitance and inductance of my "anten; /archives//html/Towertalk/2014-05/msg00041.html (8,945 bytes)
2. Re: [TowerTalk] "Antenna Tuner" (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Sat, 03 May 2014 06:51:06 -0700; Someone posted the following on the subject of antenna tuners: "They aren't adjusting the resonance of the antenna, so what are they tuning?" When I adjust the capacitance and inductance of my "anten; /archives//html/Towertalk/2014-05/msg00044.html (9,472 bytes)
3. Re: [TowerTalk] "Antenna Tuner" (score: 1): Author: "Dan Schaaf" <dan-schaaf@att.net>; Date: Sat, 3 May 2014 10:20:28 -0400; Seems to me that since an antenna is considered inductive or capacitive, when it is physically away from a resonant frequency length, then adding inductance or capacitance at the base, middle or top; /archives//html/Towertalk/2014-05/msg00047.html (11,496 bytes)
4. Re: [TowerTalk] "Antenna Tuner" (score: 1): Author: Drax Felton <draxfelton@gmail.com>; Date: Sat, 3 May 2014 10:43:30 -0400; You don't want a resonant antenna. You want one that presents a 50 ohm non reactive load to the feed line if that's what the feed line is. Otherwise you use a matching network. Right? Sent from my iP; /archives//html/Towertalk/2014-05/msg00049.html (12,223 bytes)
5. Re: [TowerTalk] "Antenna Tuner" (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Sat, 03 May 2014 08:00:05 -0700; Otherwise you use a matching network. that depends.. if you are building a phased array (or a Yagi, which is a kind of phased array, relying on passive coupling among elements) then you also care abo; /archives//html/Towertalk/2014-05/msg00050.html (11,119 bytes)
6. Re: [TowerTalk] "Antenna Tuner" (score: 1): Author: David Jordan <wa3gin@comcast.net>; Date: Sat, 3 May 2014 11:20:57 -0400; Common use since no code licenses or since most of the Navy radio ops, Collins and Drake tech have passed- on. ;-/ Sent from Dave's iPhone4 ;-) _______________________________________________ _______; /archives//html/Towertalk/2014-05/msg00051.html (10,873 bytes)
7. Re: [TowerTalk] "Antenna Tuner" (score: 1): Author: David Gilbert <xdavid@cis-broadband.com>; Date: Sat, 03 May 2014 08:38:27 -0700; They adjust the resonance of the >system<, and therefore are indeed "tuners". It's all the same thing, except of course for the feedline effects of SWR. That being said, I have never understood why s; /archives//html/Towertalk/2014-05/msg00052.html (10,052 bytes)
8. Re: [TowerTalk] "Antenna Tuner" (score: 1): Author: "WA3GIN in King George, VA" <wa3gin@comcast.net>; Date: Sat, 3 May 2014 12:17:50 -0400; Dave, with ipmost and all due respect those mentioned auto-tuners do NOT adjust the resonance of the antenna... they are purely impedance matching devices... some do understand the terminology and th; /archives//html/Towertalk/2014-05/msg00053.html (12,159 bytes)
9. Re: [TowerTalk] "Antenna Tuner" (score: 1): Author: "Roger (K8RI) on TT" <K8RI-on-TowerTalk@tm.net>; Date: Sat, 03 May 2014 12:24:43 -0400; I believe you will find that "Match Box" is a trade name. When I adjust the capacitance and inductance of my "antenna tuner" my antenna does not change length or height, and the length of the feedlin; /archives//html/Towertalk/2014-05/msg00054.html (13,748 bytes)
10. Re: [TowerTalk] "Antenna Tuner" (score: 1): Author: GALE STEWARD via TowerTalk <towertalk@contesting.com>; Date: Sat, 3 May 2014 09:48:53 -0700 (PDT); A better term would be "Antenna Matcher". Then it makes sense... 73, Stew K3ND Someone posted the following on the subject of antenna tuners: "They aren't adjusting the resonance of the antenna, so w; /archives//html/Towertalk/2014-05/msg00055.html (10,215 bytes)
11. Re: [TowerTalk] "Antenna Tuner" (score: 1): Author: Mickey Baker <fishflorida@gmail.com>; Date: Sat, 3 May 2014 12:51:17 -0400; Right. He first commercial gadget was the E.F. Johnson "Matchbox" which was an appropriate name, IMO. 73, Mickey. N4MB -- Mickey Baker, N4MB Fort Lauderdale, FL *Tell me, and I will listen. Show me,; /archives//html/Towertalk/2014-05/msg00056.html (10,196 bytes)
12. Re: [TowerTalk] "Antenna Tuner" (score: 1): Author: David Gilbert <xdavid@cis-broadband.com>; Date: Sat, 03 May 2014 20:12:09 -0700; With all due respect, that's not a particularly valid distinction. For example, I can have a non-resonant antenna fed by 100 feet of coax (call it Coax A) that presents a reactive load to my transmit; /archives//html/Towertalk/2014-05/msg00058.html (14,552 bytes)
13. Re: [TowerTalk] "Antenna Tuner" (score: 1): Author: "Gary Schafer" <garyschafer@comcast.net>; Date: Sat, 3 May 2014 22:53:22 -0500; Further to your point Dave: It is easier to see if we consider a 1/2 wave length of coax for the feed line. If one were to have a 1/2 wave length of coax between the antenna and the tuner, then anyth; /archives//html/Towertalk/2014-05/msg00059.html (17,667 bytes)
14. Re: [TowerTalk] "Antenna Tuner" (score: 1): Author: "Roger (K8RI) on TT" <K8RI-on-TowerTalk@tm.net>; Date: Sun, 04 May 2014 00:10:51 -0400; Sent from Dave's iPhone4 ;-) Common use long before that. Line tuner and antenna tuner were in commomn use nack in the 60s and 70 Someone posted the following on the subject of antenna tuners: "They; /archives//html/Towertalk/2014-05/msg00061.html (11,760 bytes)
15. Re: [TowerTalk] "Antenna Tuner" (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Sun, 04 May 2014 00:36:54 -0700; I share your concern about using the correct word(s) to describe what is going on. That "tuner" is, indeed, an impedance matching device/network, whose purpose is to present to the transmitter a load; /archives//html/Towertalk/2014-05/msg00064.html (10,880 bytes)
16. Re: [TowerTalk] "Antenna Tuner" (score: 1): Author: Pete Smith N4ZR <n4zr@contesting.com>; Date: Sun, 04 May 2014 06:11:30 -0400; Dance, angels, dance! 73, Pete N4ZR Check out the Reverse Beacon Network at http://reversebeacon.net, blog at reversebeacon.blogspot.com. For spots, please go to your favorite ARC V6 or VE7CC DX clus; /archives//html/Towertalk/2014-05/msg00065.html (11,468 bytes)
17. Re: [TowerTalk] "Antenna Tuner" (score: 1): Author: Kelly Taylor <ve4xt@mymts.net>; Date: Sat, 3 May 2014 11:09:37 -0500; Not quite. A dummy load presents a 50-ohm non-reactive load. A resonant quarter-wave monopole over a decent ground might have an impedance of about 12 ohms. You can probably play with the length of t; /archives//html/Towertalk/2014-05/msg00068.html (10,673 bytes)
18. Re: [TowerTalk] "Antenna Tuner" (score: 1): Author: "Peter Voelpel" <dj7ww@t-online.de>; Date: Sun, 4 May 2014 15:59:11 +0200; A lossless quarter-wave monopole has an radiation resistance of 35 ohms. To that all losses will be added and the result is the feed point impedance. That will never have an impedance of 12 ohms but; /archives//html/Towertalk/2014-05/msg00069.html (10,236 bytes)
19. Re: [TowerTalk] "Antenna Tuner" (score: 1): Author: K7LXC--- via TowerTalk <towertalk@contesting.com>; Date: Sun, 4 May 2014 11:31:13 -0400 (EDT); I've always thought that "coax flatener" made sense too. Cheers, Steve K7LXC _______________________________________________ _______________________________________________ TowerTalk mailing list To; /archives//html/Towertalk/2014-05/msg00071.html (6,980 bytes)
20. Re: [TowerTalk] "Antenna Tuner" (score: 1): Author: <ve4xt@mymts.net>; Date: Sun, 4 May 2014 09:49:43 -0500; May not have been the best example, but the point is that depending on the antenna, resonance and 50 ohms do not always coincide and that some form of matching is required. The lower impedances may h; /archives//html/Towertalk/2014-05/msg00072.html (11,238 bytes)

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