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References: [ +from:bravo@iol.ie: 48 ]

Total 48 documents matching your query.

21. [TowerTalk] quad driven element tuning (score: 1): Author: bravo@iol.ie (John Tait); Date: Sat, 7 Apr 2001 16:14:12 +0100; attempted are Is your feedline decoupled from your Antenna?? You need a current (choke) balun at the feed point... I would group the bands differently... e.g. 20 -15-12 and 17-10.. Less interaction t; /archives//html/Towertalk/2001-04/msg00169.html (8,042 bytes)
22. [TowerTalk] Ham -IV (score: 1): Author: bravo@iol.ie (John Tait); Date: Mon, 23 Apr 2001 20:23:12 +0100; Hi Clive... Yes... Basically, they were just a few thou' more than the original, but big enough to be a good "fill" for the raceway. I suppose I ended up with about twice as many bearings as the orig; /archives//html/Towertalk/2001-04/msg00490.html (10,395 bytes)
23. [TowerTalk] Dipole inside quad? (score: 1): Author: bravo@iol.ie (John Tait); Date: Fri, 2 Mar 2001 21:34:35 -0000; mount below You could also string full size elements on your existing Quad for 17 and 12m, and string a bent dipole for 30m on the spreaders as well. I've done this... It's just as effective (more ef; /archives//html/Towertalk/2001-03/msg00079.html (8,071 bytes)
24. [TowerTalk] Crankup-tiltover tower (score: 1): Author: bravo@iol.ie (John Tait); Date: Sat, 17 Mar 2001 09:56:24 -0000; Hi Folks.. I've added a little more info to my site....more to follow eventually. Happy St Patrick's Day es 73 de John EI7BA -- FAQ on WWW: http://www.contesting.com/FAQ/towertalk Submissions: towert; /archives//html/Towertalk/2001-03/msg00326.html (6,891 bytes)
25. [TowerTalk] Crankup-tiltover tower (score: 1): Author: bravo@iol.ie (John Tait); Date: Sat, 17 Mar 2001 10:02:20 -0000; Sorry.. I forgot to show the link..It is ... http://www.qsl.net/ei7ba/ -- FAQ on WWW: http://www.contesting.com/FAQ/towertalk Submissions: towertalk@contesting.com Administrative requests: towertalk-; /archives//html/Towertalk/2001-03/msg00327.html (7,133 bytes)
26. [TowerTalk] Quads and Wind (score: 1): Author: bravo@iol.ie (John Tait); Date: Tue, 2 Feb 1999 19:12:20 -0000; Hello Lee.. environment. I use a homebrew 2el spider quad. I'm situated on the S/E tip of Cork harbour on the Sth coast of Ireland. We know ALL about wind here ....Hi..Hi..! This winter we have had s; /archives//html/Towertalk/1999-02/msg00032.html (8,212 bytes)
27. [TowerTalk] 40-meter elements (score: 1): Author: bravo@iol.ie (John Tait); Date: Thu, 25 Feb 1999 20:32:35 -0000; Hello Rus... --Original Message-- I live in a 70-mi/h wind-speed county that's several Whooaa There....!! Rus, I dont know what your results were, but you were one of the stronger signals here with m; /archives//html/Towertalk/1999-02/msg00535.html (7,527 bytes)
28. [TowerTalk] Multi band Quad (score: 1): Author: bravo@iol.ie (John Tait); Date: Fri, 1 Jan 1999 10:52:12 -0000; Happy New Year Folks.... As a number of people have been looking for the details of my 2el Multiband Quad, I have put the details of the 5 band version on a web page <http://www.iol.ie/~bravo/> . It; /archives//html/Towertalk/1999-01/msg00004.html (6,919 bytes)
29. [TowerTalk] R 7 help (score: 1): Author: bravo@iol.ie (John Tait); Date: Mon, 4 Jan 1999 23:05:54 -0000; Hi Brian, If I remember correctly, those caps are High Voltage Ceramics. They are in series with each other, and I think I remember seeing 68K stamped on each of them. That, I Think, translates to 68; /archives//html/Towertalk/1999-01/msg00084.html (9,296 bytes)
30. [TowerTalk] R 7 help (score: 1): Author: bravo@iol.ie (John Tait); Date: Tue, 5 Jan 1999 09:55:53 -0000; Apolgies Brian and Joe.. I BOOBED in a big way in my last mail... So the caps must have been stamped 8.6k, ( or 6.8k) and not 68k... Anyway Brian , you now have it from the " horse's mouth", and sorr; /archives//html/Towertalk/1999-01/msg00099.html (10,960 bytes)
31. [TowerTalk] Quad Assistance (score: 1): Author: bravo@iol.ie (John Tait); Date: Sun, 17 Jan 1999 18:56:21 -0000; Hello Jim... --Original Message-- From: Jason N5NU <n5nu@inu.net> To: towertalk@contesting.com <towertalk@contesting.com> To: <towertalk@contesting.com> Date: 17 January 1999 18:15 Subject: [TowerTal; /archives//html/Towertalk/1999-01/msg00294.html (8,708 bytes)
32. Re: [TowerTalk] Ferrite Bead Balun Impedence Req'ts for Quad (score: 1): Author: "John Tait" <bravo@iol.ie>; Date: Wed, 24 Sep 2003 22:47:54 +0100; There's no need for the 1/4 w/l 75 Ohm traffos Steve.. With all of those elements, and if your using the standard Gem Quad spacing, you'll find the feed impedance will vary from 40 to 80 Ohms approx,; /archives//html/Towertalk/2003-09/msg00584.html (9,557 bytes)
33. Re: [TowerTalk] Remote switching design choice (score: 1): Author: "John Tait" <bravo@iol.ie>; Date: Sun, 9 Nov 2003 20:15:00 -0000; I prefer to supply the voltage to the relay, as I think it's safer. If you use the switch-to-ground system, it means that all the unused lines and relays are sitting at 12 or 24v potential. If any of; /archives//html/Towertalk/2003-11/msg00280.html (9,532 bytes)
34. Re: [TowerTalk] Autek VA1 Owners/Users ? (score: 1): Author: "John Tait" <bravo@iol.ie>; Date: Wed, 19 Nov 2003 20:12:52 -0000; I use the VA1 and the MFJ259.. I've had the display problems on the VA1, but I fixed it.. It's a bit flimsy, and not so user-friendly as the MFJ, and I only use it rarely. However I would NOT be with; /archives//html/Towertalk/2003-11/msg00488.html (9,895 bytes)
35. [TowerTalk] Mobile mount (score: 1): Author: "John Tait" <bravo@iol.ie>; Date: Fri, 26 Dec 2003 22:20:04 -0000; Happy Christmas all.. Seeing as how Santa, in his generosity, brought me an FT857, I had to quickly build something to get an HF mobile whip on my (company) car. Drilling holes in the car is a no-no,; /archives//html/Towertalk/2003-12/msg00730.html (7,559 bytes)
36. Re: [TowerTalk] Moxon principle (score: 1): Author: "John Tait" <bravo@iol.ie>; Date: Fri, 5 Mar 2004 18:14:18 -0000; You saw right Tommy... Take a look at LB's stuff at http://www.cebik.com/radio.html He has a LOT of stuff on the Moxon on his site. He took up where VK2ABQ, and Les Moxon G6XN left off. He had beams; /archives//html/Towertalk/2004-03/msg00101.html (8,136 bytes)
37. Re: [TowerTalk] Hex Beam Figures (score: 1): Author: "John Tait" <bravo@iol.ie>; Date: Mon, 22 Mar 2004 18:13:34 -0000; Check the FAQs at http://www.iol.ie/~bravo/ahexbeam.htm for explanatory pic for these formulae.. Driven Element = 6180/Freq Reflector = 6262/Freq Tip Space (Driven Element) = 102/Freq Tip Space (Refl; /archives//html/Towertalk/2004-03/msg00446.html (7,875 bytes)
38. Re: [TowerTalk] Hex Beam Figures (score: 1): Author: "John Tait" <bravo@iol.ie>; Date: Mon, 22 Mar 2004 20:36:23 -0000; It's an effective 2 el beam for the guy with a very small yard.. A TV rotator can handle a 5 bander easily. There's an active Yahoo group with lots of pics, files and designs. DL7IO has a beautifully; /archives//html/Towertalk/2004-03/msg00449.html (10,630 bytes)
39. Re: [TowerTalk] R-7000 Matching Network Schematic (score: 1): Author: "John Tait" <bravo@iol.ie>; Date: Sat, 24 Jul 2004 21:35:45 +0100; Try http://www.iol.ie/~bravo/r7_vertical.htm John EI7BA sites Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA. ________________________; /archives//html/Towertalk/2004-07/msg00714.html (8,115 bytes)
40. Re: [TowerTalk] Homebrew freestanding mast (score: 1): Author: "John Tait" <bravo@iol.ie>; Date: Wed, 28 Jul 2004 18:13:47 +0100; I've sent a pic of the tower to Mark seperately. I've also put a copy of it at http://www.iol.ie/~bravo/Well Casing Tower.htm if anyone is interested. 73 John EI7BA http://www.iol.ie/~bravo/ article; /archives//html/Towertalk/2004-07/msg00824.html (8,647 bytes)

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