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1. [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)
2. [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)
3. [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)
4. [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)
5. [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)
6. [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)
7. [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)
8. [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)
9. [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)
10. [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)
11. [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)
12. [AMPS] many positions bandswitch (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sun, 11 Apr 1999 20:43:35 -0400; Its a Centralab JV-9000. Fairly common at fleamarkets, I just rebuilt one for a local. 73 Carl KM1H ___________________________________________________________________ You don't need to buy Internet; /archives//html/Amps/1999-04/msg00240.html (7,460 bytes)
13. [AMPS] 4-1000A parasites (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sun, 11 Apr 1999 20:14:39 -0400; Drake and Sigma used small caps to gnd from the filament pins of their 3-500 amps. Dont know if it did anything useful. All my old GG 4-1000 amps used either direct cap input coupling or simple pi ne; /archives//html/Amps/1999-04/msg00239.html (8,955 bytes)
14. [AMPS] Cathode-driven questions (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sun, 11 Apr 1999 19:49:02 -0400; On Sun, 11 Apr 1999 17:08:36 "Phil T. (VE3OZZ)" <phil@vaxxine.com> writes: There are several reasons, depending upon the ckt. Moving the parasitic reasonance is not one of them tho. The original idea; /archives//html/Amps/1999-04/msg00238.html (9,259 bytes)
15. [AMPS] Parasitic suppressors/another question, (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sat, 10 Apr 1999 11:46:53 -0400; On Sat, 10 Apr 1999 09:53:10 -0400 "Dick Green" <dick.green@valley.net> writes: 4. Gradual loss of tension in the contacts over time and QRO. 73 Carl KM1H ____________________________________________; /archives//html/Amps/1999-04/msg00222.html (11,453 bytes)
16. [AMPS] amp circuit location... 4-1000 (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sat, 10 Apr 1999 11:39:41 -0400; On Sat, 10 Apr 1999 05:15:28 EDT Skip S Isaham <nospam4me@juno.com> writes: QST 7/63 and it also was reprinted by Eimac. I can copy either one. Not really a 1999 era amp since it is built to run 1000; /archives//html/Amps/1999-04/msg00220.html (8,742 bytes)
17. [AMPS] Parasitic suppressors/another question, (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sat, 10 Apr 1999 11:37:53 -0400; On Sat, 10 Apr 1999 19:15:39 -0500 bob alexander <realex@flash.net> writes: (not the 200 Rich has tested). I believe I mentioned that, not Rich. Most of the 220's that I convert to 6M arrive in somew; /archives//html/Amps/1999-04/msg00219.html (10,808 bytes)
18. [AMPS] Parasitic suppressors/another question, (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sat, 10 Apr 1999 10:47:03 -0400; On Sat, 10 Apr 1999 02:37:57 -0700 Rich Measures <measures@vc.net> writes: Was this one of the mailed in switches? How can you assume the prior condx of any contact before the final failure? There ar; /archives//html/Amps/1999-04/msg00221.html (11,784 bytes)
19. [AMPS] Parasitic suppressors/another question, (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Fri, 9 Apr 1999 20:54:09 -0400; On Fri, 09 Apr 1999 15:42:05 -0400 "Warren J. Walsh" <warrenw@pentek.com> writes: It has Warren but Rich seems to have his own spin to it. 73 Carl KM1H _______________________________________________; /archives//html/Amps/1999-04/msg00202.html (11,261 bytes)
20. [AMPS] Parasitic suppressors/another question, (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Fri, 9 Apr 1999 20:51:59 -0400; Good point Jon but dont expect a straight answer. In the SB-220 case remember when the amp was designed. Long before the 1500W output rule. When run BY THE MANUAL it will not overheat the suppressors; /archives//html/Amps/1999-04/msg00203.html (11,407 bytes)

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