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Total 146 documents matching your query.

41. Re: [Amps] Tetrodes (score: 1)
Author: "kenw2dtc" <kenw2dtc@comcast.net>
Date: Tue, 12 Jul 2005 12:59:54 -0400
"I don't understand why there hasn't been more articles in QST, etc about it and why the FCC hasn't addressed this issue. I never fire up the homebrewed 3cpx5000 amp during bacon, eggs and beans burr
/archives//html/Amps/2005-07/msg00120.html (8,635 bytes)

42. Re: [Amps] 4CX250 bases (David Kirkby) (score: 1)
Author: "kenw2dtc" <kenw2dtc@comcast.net>
Date: Fri, 22 Jul 2005 17:03:02 -0400
WA4LAV asked: "I have often wondered if strong RF fields ever mess up the brushless motor's internal controllers?" Yes they do. I had a friend who ran a 4000 watt CB transmitter in his van. (two 270
/archives//html/Amps/2005-07/msg00267.html (7,707 bytes)

43. Re: [Amps] Wrong Business (score: 1)
Author: "kenw2dtc" <kenw2dtc@comcast.net>
Date: Fri, 5 Aug 2005 07:01:58 -0400
Will, Don't build a cheap amp, build this one: http://www.soundstage.com/revequip/audiopax_stereo_88.htm 73, Ken W2DTC -- _______________________________________________ Amps mailing list Amps@contes
/archives//html/Amps/2005-08/msg00155.html (8,246 bytes)

44. [Amps] set up for the big maul (score: 1)
Author: "kenw2dtc" <kenw2dtc@comcast.net>
Date: Sun, 14 Aug 2005 14:24:42 -0400
I tried to find additional information on that ebay TRUCKER amp that Will mentioned but had no luck. I did find an interesting set of videos for CB amps. It appears to me that this rig has 10 batteri
/archives//html/Amps/2005-08/msg00491.html (7,130 bytes)

45. [Amps] Square plate choke ? (score: 1)
Author: "kenw2dtc" <kenw2dtc@comcast.net>
Date: Mon, 15 Aug 2005 06:00:07 -0400
I have some square teflon stock. How would a plate choke wound on square stock compare with one on round stock? Would square stock be a bad thing? 73, Ken W2DTC ______________________________________
/archives//html/Amps/2005-08/msg00513.html (6,741 bytes)

46. Re: [Amps] Kon-Tiki (score: 1)
Author: "kenw2dtc" <kenw2dtc@comcast.net>
Date: Fri, 2 Sep 2005 20:21:01 -0400
The transmitter was documented as being homebrew. 73, Ken W2DTC -- _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/a
/archives//html/Amps/2005-09/msg00010.html (7,400 bytes)

47. Re: [Amps] 2006 ARRL Handbook (score: 1)
Author: "kenw2dtc" <kenw2dtc@comcast.net>
Date: Sun, 9 Oct 2005 18:08:29 -0400
I'd sure like to see a video tape of that................ 73, Ken W2DTC _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/list
/archives//html/Amps/2005-10/msg00223.html (8,234 bytes)

48. Re: [Amps] Drake L4 with 3-400Z photos (score: 1)
Author: "kenw2dtc" <kenw2dtc@comcast.net>
Date: Fri, 14 Oct 2005 00:39:17 -0400
Very Pretty indeed !! 73, Ken W2DTC -- _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2005-10/msg00346.html (7,646 bytes)

49. Re: [Amps] AL-1200 on AM (score: 1)
Author: "kenw2dtc" <kenw2dtc@comcast.net>
Date: Sun, 30 Oct 2005 12:01:34 -0500
Daniel N9wx said: "how much carrier can I safely get out of the 1200??" The AL-1200 will put out 375 watts of carrier under 100 percent modulation. Much more than that and the wattmeter will think th
/archives//html/Amps/2005-10/msg00693.html (7,520 bytes)

50. [Amps] shield an RF deck ? (score: 1)
Author: "kenw2dtc" <kenw2dtc@comcast.net>
Date: Sun, 30 Oct 2005 19:29:48 -0500
Is there any pressing reason to put sides and top on an RF deck? My current amp runs decent power and I don't get into anything (TV, phone or stereo etc.). I would like to build another amp in a lock
/archives//html/Amps/2005-10/msg00700.html (6,724 bytes)

51. Re: [Amps] shield an RF deck ? (score: 1)
Author: "kenw2dtc" <kenw2dtc@comcast.net>
Date: Tue, 1 Nov 2005 16:50:44 -0500
Thanks for the reply Steve, I appreciate your comments. If the rack isn't specifically designed for rf purposes, you can't rely on the rf screening properties. Many have fully painted panels, and rel
/archives//html/Amps/2005-11/msg00012.html (7,280 bytes)

52. Re: [Amps] Designing the Cleanest Linear with RF Negative Feedback (score: 1)
Author: "kenw2dtc" <kenw2dtc@comcast.net>
Date: Wed, 14 Dec 2005 14:07:41 -0500
Tom, Gates had a commercial amplifier (MODEL ST-3A) with 2nd harmonics down 50 db and all higher order down at least 60 db. The input was 100 mw and the tube line up was: a 6CL6 in class A, an 8122 i
/archives//html/Amps/2005-12/msg00165.html (11,172 bytes)

53. Re: [Amps] Another use for Neon Lamps (score: 1)
Author: "kenw2dtc" <kenw2dtc@comcast.net>
Date: Mon, 2 Jan 2006 23:37:57 -0500
My elmer told me that if you put DC source in series with the neon bulb and a resistor and set the voltage just below the ignition voltage of the neon, it became a more sensitive indicator of RF. Th
/archives//html/Amps/2006-01/msg00118.html (7,561 bytes)

54. Re: [Amps] OT : The word rookie (score: 1)
Author: "kenw2dtc" <kenw2dtc@comcast.net>
Date: Mon, 23 Jan 2006 19:00:22 -0500
"Interesting word that Rookie, does anyone know it's origin? I have had a look on the web and I am not convinced so far. Does anyone actually know" At the turn of the century a Japanese guy was tryin
/archives//html/Amps/2006-01/msg00557.html (7,685 bytes)

55. [Amps] spraying tank coils ? (score: 1)
Author: "kenw2dtc" <kenw2dtc@comcast.net>
Date: Tue, 24 Jan 2006 15:30:51 -0500
Hi, I just wound a shiny 75 meter pi-net tank coil out of 5/16 inch copper tubing. Can I spray it with something to keep the copper shiny or will it go up in smoke or fire when operating? 73, Ken W2D
/archives//html/Amps/2006-01/msg00584.html (6,958 bytes)

56. Re: [Amps] spraying tank coils ? (score: 1)
Author: "kenw2dtc" <kenw2dtc@comcast.net>
Date: Tue, 24 Jan 2006 17:25:54 -0500
Thanks to all who replied on the list and privately. I will indeed look into the clear high temp engine enamel. In answer to all the silver plating suggestions, yes I thought of that first, but after
/archives//html/Amps/2006-01/msg00589.html (8,635 bytes)

57. Re: [Amps] Silicone Oil (score: 1)
Author: "kenw2dtc" <kenw2dtc@comcast.net>
Date: Fri, 3 Feb 2006 00:49:04 -0500
I'm not sure if this will work in your application, but I have used this in my 500 watt Bird dummy load and my 1KW military dummy load: http://www.mfjenterprises.com/products.php?prodid=MFJ-21 73, Ke
/archives//html/Amps/2006-02/msg00050.html (7,228 bytes)

58. Re: [Amps] dummy oil (score: 1)
Author: "kenw2dtc" <kenw2dtc@comcast.net>
Date: Tue, 28 Feb 2006 21:04:23 -0500
http://www.mfjenterprises.com/products.php?prodid=MFJ-21 73, Ken W2DTC _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listin
/archives//html/Amps/2006-02/msg00686.html (7,119 bytes)

59. [Amps] 4 sale stuff (score: 1)
Author: "kenw2dtc" <kenw2dtc@comcast.net>
Date: Mon, 13 Mar 2006 13:50:33 -0500
http://w2dtc.com/w2dtc-for-sale-or-swap-page.htm _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2006-03/msg00334.html (6,101 bytes)

60. Re: [Amps] 3CX3000A1 - 3 kW or 4 kW anode dissipation? (score: 1)
Author: "kenw2dtc" <kenw2dtc@comcast.net>
Date: Sun, 7 May 2006 09:59:19 -0400
For what it's worth, I have a 1992 Varian catalog and the 3CX3000A1/8238 and the 3CX3000F1/8239 are both rated as 4000 watts plate dissipation. 73, Ken W2DTC ______________________________________ Ke
/archives//html/Amps/2006-05/msg00027.html (7,248 bytes)


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