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21. Re: [Amps] Blowing off steam (score: 1)
Author: W0UN -- John Brosnahan <shr@swtexas.net>
Date: Wed, 20 Oct 2004 12:52:07 -0500
_ Bidding will auto-increment on eBay. So if two (or more) people set an upper limit the program will increment each one until it runs out of "limit". In a recent case I put in a limit of $310 for an
/archives//html/Amps/2004-10/msg00315.html (9,878 bytes)

22. Re: [Amps] Semtech? (score: 1)
Author: W0UN -- John Brosnahan <shr@swtexas.net>
Date: Mon, 25 Oct 2004 10:06:32 -0500
Sent this privately but your spam blocker stopped it. Spam is annoying--but so are spam blockers. At 09:46 AM 10/25/2004, you wrote: Hi Richard, Can you tell me the technical explanation (in an "Idio
/archives//html/Amps/2004-10/msg00402.html (8,123 bytes)

23. Re: [Amps] Tentec TITAN III vs ALPHA99 (score: 1)
Author: W0UN -- John Brosnahan <shr@swtexas.net>
Date: Mon, 25 Oct 2004 15:46:49 -0500
At 03:23 PM 10/25/2004, you wrote: Hi all I am EA1DGZ my name is Carlos I am trying to make up my mind for a new amplifier and after searching and reading on the internet and talking to people, I am
/archives//html/Amps/2004-10/msg00414.html (9,467 bytes)

24. [Amps] RCA module -- curiosity killed the cat (score: 1)
Author: W0UN -- John Brosnahan <shr@swtexas.net>
Date: Wed, 08 Dec 2004 14:28:06 -0600
Just ran across an RCA module in the junk box and was curious what the specs are. It is a black plastic block about 2.5 inches long with a heat-sinkmounting ear on each end. Probably 1 inch wide and
/archives//html/Amps/2004-12/msg00135.html (8,331 bytes)

25. Re: [Amps] old style armored wire ? (score: 1)
Author: W0UN -- John Brosnahan <shr@swtexas.net>
Date: Tue, 11 Jan 2005 15:10:02 -0600
At 11:01 AM 1/11/2005, Bill Gode, Sr. wrote: I believe that's "Greenfield" - as in flexible steel conduit. 73, Bill, W9NHQ And it is RomEx and not Romax. -- Original Message -- From: "Mike Switzer" <
/archives//html/Amps/2005-01/msg00216.html (8,420 bytes)

26. Re: [Amps] 3CX1000A7 (score: 1)
Author: W0UN -- John Brosnahan <shr@swtexas.net>
Date: Sat, 15 Jan 2005 20:28:02 -0600
At 07:38 PM 1/15/2005, Joe Crawford wrote: I just traded for this tube, and don't have much info on it.It is an Eimac tube. Is it a good choice for an amplifier tube? Need info on drive requirements,
/archives//html/Amps/2005-01/msg00286.html (7,161 bytes)

27. Re: [Amps] 3CX1000A7 (score: 1)
Author: W0UN -- John Brosnahan <shr@swtexas.net>
Date: Sun, 16 Jan 2005 07:29:35 -0600
At 07:12 AM 1/16/2005, Roger D Johnson wrote: W0UN -- John Brosnahan wrote: Biggest problem is that it is a filament HOG. 5 volts at 30 amps. But it's virtually instant warmup! No waiting an agonizin
/archives//html/Amps/2005-01/msg00295.html (8,189 bytes)

28. Re: [Amps] Alpha-Power Web Site (score: 1)
Author: W0UN -- John Brosnahan <shr@swtexas.net>
Date: Wed, 19 Jan 2005 12:15:14 -0600
At 08:50 AM 1/19/2005, Paul Christensen wrote: Alpha's web site seems to be down for the past several days. Anyone have a better link that works? http://www.alpha-amps.com/ Alpha is undergoing some c
/archives//html/Amps/2005-01/msg00370.html (8,549 bytes)

29. Re: [Amps] High C out (score: 1)
Author: W0UN -- John Brosnahan <shr@swtexas.net>
Date: Fri, 21 Jan 2005 12:52:24 -0600
At 12:22 PM 1/21/2005, Dennis12Amplify@aol.com wrote: Will, I believe Chris is talking about converting from a PI network to a Pi-L network. The Pi-L having two levels of impedance matching, and a li
/archives//html/Amps/2005-01/msg00422.html (10,697 bytes)

30. Re: [Amps] Amp Parts Info Needed (score: 1)
Author: W0UN -- John Brosnahan <shr@swtexas.net>
Date: Sun, 23 Jan 2005 14:04:10 -0600
At 01:56 PM 1/23/2005, Dave Meitzen wrote: There is some ham that sells tuned input PCB's, Indicator, PCB's and bias control boards. Can some one direct me to his website? Thanks Dave http://wd7s.hom
/archives//html/Amps/2005-01/msg00494.html (8,734 bytes)

31. Re: [Amps] Quick 220 outlet? (score: 1)
Author: W0UN -- John Brosnahan <shr@swtexas.net>
Date: Mon, 07 Feb 2005 14:33:01 -0600
At 01:07 PM 2/7/2005, n4gi@tampabay.rr.com wrote: I ran across this gaget. Says it's rated at 20amperes... http://www.quick220.com/pictures.htm The extension cord looks kind of scary, but perhaps eno
/archives//html/Amps/2005-02/msg00251.html (8,267 bytes)

32. Re: [Amps] 10dB and propagation (score: 1)
Author: W0UN -- John Brosnahan <shr@swtexas.net>
Date: Mon, 07 Feb 2005 16:43:02 -0600
The HAARP could just be a research tool. But like "AREA 51" it has attracted lots of attention and possibly needlessly. "Needlessly" is the operative word here. I get amused about all of the talk and
/archives//html/Amps/2005-02/msg00261.html (10,699 bytes)

33. [Amps] Really Cool Calculator TIP (score: 1)
Author: W0UN -- John Brosnahan <shr@swtexas.net>
Date: Tue, 08 Feb 2005 08:29:25 -0600
Every once in a while I run across something that is really cool and feel compelled to share it. In RF design and antenna design you end up needing a calculator for a lot of the calculations. I did a
/archives//html/Amps/2005-02/msg00299.html (8,598 bytes)

34. Re: [Amps] Shipping Damage (score: 1)
Author: W0UN -- John Brosnahan <shr@swtexas.net>
Date: Thu, 24 Feb 2005 13:03:38 -0600
Just a few observations on this issue based on three years at Alpha/Power. These are personal experiences -- YMMV. 1) The transformer is shipped separately mostly because the sheet metal is not stron
/archives//html/Amps/2005-02/msg00764.html (16,416 bytes)

35. Re: [Amps] Shipping Security (score: 1)
Author: W0UN -- John Brosnahan <shr@swtexas.net>
Date: Thu, 24 Feb 2005 16:31:52 -0600
NO STYROFOAM, PLEASE! Styrofoam or blue board is NOT a very good choice for packing. While it will help mitigate a puncture it does not have the resiliency to absorb a shock and bounce back. ie, It
/archives//html/Amps/2005-02/msg00784.html (9,005 bytes)

36. Re: [Amps] Alpha 87A Fault 99 (score: 1)
Author: W0UN -- John Brosnahan <shr@swtexas.net>
Date: Sat, 26 Feb 2005 15:30:18 -0600
Fault 99 is the fault that happens when you keep trying to do the same dumb thing six times in a row without solving the real problem. It is designed to protect the amp from serious abuse and to save
/archives//html/Amps/2005-02/msg00865.html (8,617 bytes)

37. [Amps] FS two RCA 8122 tubes (score: 1)
Author: W0UN -- John Brosnahan <shr@swtexas.net>
Date: Tue, 03 May 2005 08:33:08 -0500
I have two, never-installed RCA 8122 tubes. I sold my NCL-2000 many years ago but forgot about these spare tubes. They have never been powered up and are in their original boxes. The boxes are in goo
/archives//html/Amps/2005-05/msg00022.html (6,649 bytes)

38. [Amps] FS: Pair RCA 8122s (score: 1)
Author: W0UN -- John Brosnahan <shr@swtexas.net>
Date: Sat, 07 May 2005 09:55:03 -0500
I have a pair of never-installed RCA 8122s in original boxes. They look perfect, but I have no way to test. These were spares for my NCL-2000 that was sold MANY years ago. Money back guarantee. Best
/archives//html/Amps/2005-05/msg00130.html (7,284 bytes)

39. Re: [Amps] HV Switch Mode Power Supplies (score: 1)
Author: W0UN -- John Brosnahan <shr@swtexas.net>
Date: Sat, 25 Jun 2005 11:22:02 -0500
Hi, David-- Just FYI. Watts Unlimited is owned by W9QQ who has a PhD in electrical engineering and has designed many SMPSs. Granted, this design is a "gutless wonder" and it bears no resemblance to
/archives//html/Amps/2005-06/msg00231.html (12,538 bytes)

40. Re: [Amps] 5.0V FILAMENT IS ONLY 2.5V (score: 1)
Author: W0UN -- John Brosnahan <shr@swtexas.net>
Date: Wed, 06 Jul 2005 17:46:41 -0500
Gee, if it is 2.5 and supposed to 5.0 it sounds like it is ALREADY wire for 240 and he is running it on 120. But it sounds dangerous based on his apparent lack of experience. --John W0UN ____________
/archives//html/Amps/2005-07/msg00040.html (7,383 bytes)


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