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21. [Amps] Lowering Resonant Frequency (score: 1)
Author: jmltinc@aol.com
Date: Wed, 28 Mar 2007 10:25:50 -0400
Hi gang, I have acquired a commercial UHF cavity I would like to use on 70cm. The coaxial resonators as they are, only tune down to 470 MHz or so. Would it be practical to use a dielectric within the
/archives//html/Amps/2007-03/msg00373.html (6,544 bytes)

22. Re: [Amps] Amplifier with Remote Capability (score: 1)
Author: JMLTINC@aol.com
Date: Thu, 22 Nov 2007 07:44:38 EST
Hi Bob, IMO, The Henry 3K Ultra is a poor example for remote control to follow. I own one of these amplifiers, and it is a pain to tune - unless you use the presets. The problem is the archaic circui
/archives//html/Amps/2007-11/msg00326.html (10,262 bytes)

23. Re: [Amps] Amplifier with Remote Capability (score: 1)
Author: JMLTINC@aol.com
Date: Fri, 23 Nov 2007 05:10:49 EST
The presets are indeed, easy to use; once set up, and a dream to use. Pity there aren't 50 of them! Even with the suggested initial settings, there is no way (unless you are lucky) to consistently st
/archives//html/Amps/2007-11/msg00346.html (8,344 bytes)

24. Re: [Amps] High voltage rectifiers for Henry 3K (score: 1)
Author: JMLTINC@aol.com
Date: Mon, 24 Dec 2007 06:45:05 EST
Why make one and butcher up a classic? Call Henry Radio for a direct replacement - (310) 820-1234. Or, check RF Parts; parts # 24050: 16 KV PIV per section, 6"l x .75" x .75". Of course, they want $9
/archives//html/Amps/2007-12/msg00226.html (6,847 bytes)

25. Re: [Amps] Amps] High voltage rectifiers for Henry 3K (score: 1)
Author: JMLTINC@aol.com
Date: Mon, 24 Dec 2007 17:36:37 EST
That would be like putting a Chevy 350 into a '65 Mustang (or a Ford 390 into a '70 Chevelle 354). It will work, perhaps look OK, but still a 'butcher' job. -J Butcher? You can make one that looks ju
/archives//html/Amps/2007-12/msg00234.html (7,943 bytes)

26. Re: [Amps] High voltage rectifiers for Henry 3K (score: 1)
Author: JMLTINC@aol.com
Date: Mon, 24 Dec 2007 19:50:16 EST
I would. If I had a '32 Ford, it would have the original 8 cylinder flathead. The "deuce" was one of the most popular cars to be hot-rodded. Maybe some people do it because the original parts are not
/archives//html/Amps/2007-12/msg00240.html (9,590 bytes)

27. Re: [Amps] High voltage rectifiers for Henry 3K (score: 1)
Author: JMLTINC@aol.com
Date: Mon, 24 Dec 2007 20:30:06 EST
And a 440 into an old roadster is considered a "custom" job worth far more than the original.<:-)) Says who? A fellow has a restored (with factory parts) Deuce and figures it is worth $125,000. My g
/archives//html/Amps/2007-12/msg00242.html (11,510 bytes)

28. [Amps] Re High voltage rectifiers for Henry 3K (score: 1)
Author: JMLTINC@aol.com
Date: Tue, 25 Dec 2007 11:24:45 EST
That's how I got into ham radio. Maybe I ought to write a Country and Western song! Merry Christmas, Ward. -J girlfriends left with the guy that had a cool looking pickup truck and a friendly dog :-)
/archives//html/Amps/2007-12/msg00248.html (7,041 bytes)

29. Re: [Amps] High voltage (score: 1)
Author: JMLTINC@aol.com
Date: Tue, 25 Dec 2007 11:55:09 EST
I would expect any 60-70's muscle car brings more money fully stock than modified (unless you are looking to go racing out of the box). BTW, this whole thread started with the question: parts list s
/archives//html/Amps/2007-12/msg00249.html (7,479 bytes)

30. Re: [Amps] RF Parts Channel; Television Broadcast Equipment (score: 1)
Author: JMLTINC@aol.com
Date: Mon, 18 Feb 2008 16:44:07 EST
A possible source for high power tubes and cavities is the LPTV (Low Power Television) market. These folks used tetrodes with plate dissipations in the 3-5 KW range (UHF examples are the Burle 9017 a
/archives//html/Amps/2008-02/msg00123.html (7,786 bytes)

31. Re: [Amps] Does coax loss depend on SWR? (score: 1)
Author: JMLTINC@aol.com
Date: Fri, 29 Feb 2008 14:40:48 EST
All along the coax (with SWR > 1:1) the forward and reflected voltage and current components add vectorially. The vector sum of each component (voltage and current) is that of the forward and reflect
/archives//html/Amps/2008-02/msg00222.html (7,403 bytes)

32. [Amps] Fwd: Does coax loss depend on SWR? (score: 1)
Author: JMLTINC@aol.com
Date: Fri, 29 Feb 2008 17:56:18 EST
The resultant voltage or current is always higher than the incident wave component value Sorry for the error. It should read: The resultant forward voltage or current is always higher than the incide
/archives//html/Amps/2008-02/msg00227.html (6,793 bytes)

33. [Amps] RFC 2-317 (score: 1)
Author: JMLTINC@aol.com
Date: Sat, 1 Mar 2008 06:59:39 EST
Hi Folks, Anyone have a schematic for an RF Concepts 2-317? Thanks, -John, N9RF **Ideas to please picky eaters. Watch video on AOL Living. (http://living.aol.com/video/how-to-please-your-picky-eater/
/archives//html/Amps/2008-03/msg00001.html (6,567 bytes)

34. Re: [Amps] FAA AM-4164 trouble (score: 1)
Author: JMLTINC@aol.com
Date: Sun, 2 Mar 2008 16:41:02 EST
Hi Larry, you wrote:>> information he had there. ** I don't know what happened to Jay's page. Perhaps he has an alias with the ARRL and you can email him. A quick Google came up with _n1rwy_ (mailto:
/archives//html/Amps/2008-03/msg00010.html (10,379 bytes)

35. Re: [Amps] thyristor controlled soft start? (score: 1)
Author: JMLTINC@aol.com
Date: Sun, 23 Mar 2008 18:22:06 EDT
Thyristors, (both SCR's and Triacs are thyristors) are notoriously noisy and suffer from a poor power factor. Triacs are SCR's back-to-back, and so conduct AC in one package, where an SCR is more lik
/archives//html/Amps/2008-03/msg00229.html (8,653 bytes)

36. [Amps] Fwd: Relays (score: 1)
Author: JMLTINC@aol.com
Date: Sun, 30 Mar 2008 10:29:24 EDT
Try: _http://www.reference.com/browse/wiki/Ampacity_ (http://www.reference.com/browse/wiki/Ampacity) -John, N9RF **Create a Home Theater Like the Pros. Watch the video on AOL Home. (http://home.aol.c
/archives//html/Amps/2008-03/msg00357.html (6,549 bytes)

37. [Amps] Fwd: Thoughts on half-wave dipole (score: 1)
Author: JMLTINC@aol.com
Date: Mon, 28 Jul 2008 12:16:51 EDT
You can be sure a numerical method, such as from NEC would be more accurate than any antenna analyser In Free Space. -John, N9RF **Get fantasy football with free live scoring. Sign up for FanHouse Fa
/archives//html/Amps/2008-07/msg00330.html (6,853 bytes)

38. [Amps] Fw: Nichrome wire for suppressors (score: 1)
Author: "John" <jmltinc@aol.com>
Date: Wed, 11 Feb 2009 12:20:33 -0600
There is nothing from the Government which could make anything valid or acceptable. -John, N9RF _______________________________________________ Amps mailing list Amps@contesting.com http://lists.con
/archives//html/Amps/2009-02/msg00323.html (6,618 bytes)

39. [Amps] Fw: Nichrome wire for suppressors (score: 1)
Author: "John" <jmltinc@aol.com>
Date: Thu, 12 Feb 2009 11:26:09 -0600
Ultimately, what happened here is your assertion "that because the Government does it, it must be right...". Well, I disagreed with that assertion and said so. My reply was not meant to be a politic
/archives//html/Amps/2009-02/msg00366.html (7,400 bytes)

40. Re: [Amps] High SWR (score: 1)
Author: "John" <jmltinc@aol.com>
Date: Fri, 24 Apr 2009 11:29:13 -0500
Design of a Yagi is a comprimise of SWR, gain, and F/B as they are interdependent. If you optimize for one, the others will change. For low-band beam, F/B is usually most important, but at the expens
/archives//html/Amps/2009-04/msg00319.html (11,827 bytes)


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