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41. [AMPS] One more failure mode (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Tue, 13 Apr 1999 11:16:46 -0400; On Mon, 12 Apr 1999 12:38:30 -0600 "John T. M. Lyles" <jtml@lanl.gov> writes: That had been mentioned by someone before John but tnx for bringing it up again. That would be a definite #5 to the list.; /archives//html/Amps/1999-04/msg00274.html (14,323 bytes)
42. [AMPS] 915 MHz (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Wed, 14 Apr 1999 11:00:20 -0400; On Tue, 13 Apr 1999 17:13:46 -0600 "John T. M. Lyles" <jtml@lanl.gov> writes: How would these be applicable to ham use? Activity on that band is weak signal CW/SSB, ATV and some FM. I run 350W on 903; /archives//html/Amps/1999-04/msg00288.html (8,515 bytes)
43. [AMPS] Need wiring diagram for Hunter 2000B transformer (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Fri, 16 Apr 1999 13:20:18 -0400; I've added 160M to the 2000A ( Pretty much the same as the B but with 10M) John, not that hard. A large SASE to my CBA gets the 160 details. A manila envelope with $5 enclosed gets a manual copy. I c; /archives//html/Amps/1999-04/msg00308.html (9,122 bytes)
44. [AMPS] Full break-in... (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Fri, 16 Apr 1999 15:29:56 -0400; They work fine as long as the world is perfect. Otherwise they get real grumpy with much over a 1.5:1 VSWR, transients, intermittents, etc. Yes, real robust PIN's exist but not at prices that non mil; /archives//html/Amps/1999-04/msg00310.html (8,532 bytes)
45. [AMPS] Need to pick your brain... (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sat, 17 Apr 1999 10:25:04 -0400; In this case look at it in reverse. The input cap is for impedence matching to the 50 Ohm exciter. The output cap and L are the prime frequency determining elements. See what happens with 150 pf. Als; /archives//html/Amps/1999-04/msg00322.html (9,749 bytes)
46. [AMPS] Re: QRO QSK (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sat, 17 Apr 1999 16:10:53 -0400; On Sat, 17 Apr 1999 12:20:42 -0500 "Roy Koeppe" <royanjoy@ncn.net> writes: The QSK-1500 has been panned for years in contest and DX magazines. Of course many will always survive when run by the book.; /archives//html/Amps/1999-04/msg00330.html (8,587 bytes)
47. [AMPS] Re: full break in (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sun, 18 Apr 1999 13:32:36 -0400; On Sun, 18 Apr 1999 09:56:25 -0700 Rich Measures <measures@vc.net> writes: I've replaced one in 13 years. And that was way abused in contest service into all sorts of VSWR's, wrong antennas, etc. Try; /archives//html/Amps/1999-04/msg00337.html (9,832 bytes)
48. [AMPS] Re: full break in (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sun, 18 Apr 1999 15:59:52 -0400; On Sun, 18 Apr 1999 11:41:22 -0700 "Radiodan W7RF" <RFpower@radiodan.com> writes: This might shock a few but I agree 100% Dan ! Been there done that. During the DX Contest big ice storm here a few ye; /archives//html/Amps/1999-04/msg00342.html (9,862 bytes)
49. [AMPS] Re: full break-in (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sun, 18 Apr 1999 16:28:27 -0400; On Sun, 18 Apr 1999 14:40:08 -0500 "Roy Koeppe" <royanjoy@ncn.net> writes: Roy, the above was from Rich, not me. But I do agree with him and Dan. But, I never learned how much operating I operate a l; /archives//html/Amps/1999-04/msg00343.html (9,304 bytes)
50. [AMPS] A mystery (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sun, 18 Apr 1999 22:19:54 -0400; Harv, Go to a real library and check out QST from roughly 1940-60 and CQ from 1947-60. Your aunts experience and many others has been well covered back in the days when a ham ticket required knowledg; /archives//html/Amps/1999-04/msg00346.html (9,566 bytes)
51. [AMPS] A mystery (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sun, 18 Apr 1999 22:51:14 -0400; Doubtful, but it might make the other Looney Tune , W2NSD of 73 Rag. 73 Carl KM1H ___________________________________________________________________ You don't need to buy Internet access to use free; /archives//html/Amps/1999-04/msg00347.html (10,051 bytes)
52. [AMPS] WTB: SB-220, etc (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Tue, 2 Mar 1999 11:46:59 -0500; I need several of the SB-220, SB-221 and HL-2200 series amps in almost any condition. Include condx and price with your reply. Cash in hand! Tnx Carl KM1H ____________________________________________; /archives//html/Amps/1999-03/msg00018.html (6,913 bytes)
53. [AMPS] YC156 whats the point (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Tue, 2 Mar 1999 11:39:26 -0500; Yes you are.... It has 5k plate dissipation, Not completely correct. The YC-156 is a selected version of the 3CPX5000A7. It is selected for high emission and excellent linearity for medical use. What; /archives//html/Amps/1999-03/msg00019.html (8,670 bytes)
54. [AMPS] Dentron GLA-1000 (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Tue, 2 Mar 1999 12:16:25 -0500; On Mon, 1 Mar 1999 16:14:15 -0500 "Mark A. Mowery" <mowery@shianet.org> writes: An excellent excuse to get rid of that sweep tube toy! Does the fuse blow with the tubes removed? Odds would favor a PS; /archives//html/Amps/1999-03/msg00022.html (7,883 bytes)
55. [AMPS] Nichicon Capacitors? (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Tue, 2 Mar 1999 12:13:52 -0500; Finally, some one with a catalog! Lets us all know the ESR/Ripple Current and tolerance specs. You can compare them to the CDE 381L or 381LX and Panasonic TSHB series for suitability. Rumor has it th; /archives//html/Amps/1999-03/msg00023.html (8,743 bytes)
56. [AMPS] Tube rating question (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Tue, 2 Mar 1999 20:12:25 -0500; On Wed, 24 Feb 1999 09:50:04 -0500 "Joe Subich, W8IK/4" <W8IK@ibm.net> writes: You simply have a revised data sheet. The original one is dated March 9, 1983 73 Carl KM1H _____________________________; /archives//html/Amps/1999-03/msg00033.html (8,090 bytes)
57. [AMPS] PCB relays in Input networks (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Tue, 2 Mar 1999 18:12:36 -0500; On Mon, 22 Feb 1999 21:46:59 +0100 MIGUEL VALDES <prias@retemail.es> writes: Almost all Amp Supply amps used relay switching. Bill Edwards at Omega Electronics, Knightdale, NC sells complete kits. 73; /archives//html/Amps/1999-03/msg00034.html (8,160 bytes)
58. [AMPS] Tube rating question (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Tue, 2 Mar 1999 19:47:17 -0500; On Tue, 23 Feb 1999 19:42:54 -0800 Vic Rosenthal <rakefet@rakefet.com> writes: Marketing mumbo jumbo in order to impress the FCC. One tube can easily and safely run 1200W out key down. Check out the; /archives//html/Amps/1999-03/msg00035.html (8,469 bytes)
59. [AMPS] YC-156 (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Tue, 2 Mar 1999 19:21:46 -0500; Something a few others seem to not understand Peter. With 5 or 6kV on the plate and a good standing current, it would And cheap to obtain. Why ?? Whats the yearly $$ difference between a 45-50% effic; /archives//html/Amps/1999-03/msg00036.html (9,015 bytes)
60. [AMPS] YC156 whats the point (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Tue, 2 Mar 1999 19:22:52 -0500; The ways around that have been covered several times. . Wrong! . Another fly is the lengthy preheat time Subjective and depends upon individual needs. Only twice as long as the 8877. 73 Carl KM1H ___; /archives//html/Amps/1999-03/msg00037.html (10,265 bytes)

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