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1. [AMPS] 77SX (score: 1): Author: w7ti@jps.net (Bill Turner, W7TI); Date: Tue, 02 Jan 2001 07:02:44 -0800; _________________________________________________________________ Wild guess: Are you running 50 Hz or 60? I'd guess 50 and that's the problem. 73, Bill W7TI -- FAQ on WWW: http://www.contesting.com/; /archives//html/Amps/2001-01/msg00041.html (8,178 bytes)
2. [AMPS] Anyone got a microwave oven tranny on the bench or measurments from one... (score: 1): Author: w7ti@jps.net (Bill Turner, W7TI); Date: Tue, 02 Jan 2001 13:25:11 -0800; _________________________________________________________________ I see 'em in thrift stores a lot, but not free. Cheap, maybe, if you're a good negotiator. 73, Bill W7TI -- FAQ on WWW: http://www.co; /archives//html/Amps/2001-01/msg00066.html (7,688 bytes)
3. [AMPS] AL-1500, AL-82, AL-1200, QRO??? (score: 1): Author: w7ti@jps.net (Bill Turner, W7TI); Date: Wed, 03 Jan 2001 07:19:10 -0800; _________________________________________________________________ FWIW, one blew in my AL-1200 when it was a few months old. It was replaced under warranty and the replacement performed ok for anothe; /archives//html/Amps/2001-01/msg00095.html (8,814 bytes)
4. [AMPS] removable xfmr (score: 1): Author: w7ti@jps.net (Bill Turner, W7TI); Date: Mon, 08 Jan 2001 07:31:47 -0800; _________________________________________________________________ Commander's HF-2500 has a removable transformer. Four bolts and a plug. 73, Bill W7TI -- FAQ on WWW: http://www.contesting.com/FAQ/am; /archives//html/Amps/2001-01/msg00273.html (7,424 bytes)
5. [AMPS] AL-1500, AL-82, AL-1200, QRO??? (score: 1): Author: w7ti@jps.net (Bill Turner, W7TI); Date: Tue, 16 Jan 2001 08:33:13 -0800; _________________________________________________________ How close is the grid to fil spacing in the 3CX1200? Is it comparable to other high power triodes? Just curious. 73, Bill W7TI -- FAQ on WWW:; /archives//html/Amps/2001-01/msg00392.html (9,821 bytes)
6. [AMPS] WTB FILAMENT TRANSFORMER (score: 1): Author: w7ti@jps.net (Bill, W7TI); Date: Mon, 22 Jan 2001 16:38:45 -0800; _________________________________________________________ This reflector is normally for ham radio stuff, not CB. :-) Bill, W7TI -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@co; /archives//html/Amps/2001-01/msg00567.html (7,225 bytes)
7. [AMPS] FCC & online Auctions (score: 1): Author: w7ti@jps.net (Bill, W7TI); Date: Thu, 25 Jan 2001 17:42:44 -0800; _________________________________________________________ I don't know whether to laugh or cry. 73, Bill W7TI -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Admini; /archives//html/Amps/2001-01/msg00635.html (8,739 bytes)
8. [AMPS] Rejuvenating an old GDO (score: 1): Author: w7ti@jps.net (Bill Turner, W7TI); Date: Sat, 27 Jan 2001 13:00:42 -0800; _________________________________________________________ Before doing anything else, gently rock the tubes back and forth in their sockets. I did TV repair for many years back in the '60s and '70s a; /archives//html/Amps/2001-01/msg00654.html (7,696 bytes)
9. [AMPS] Fertility (score: 1): Author: w7ti@jps.net (Bill Turner); Date: Tue, 30 Jan 2001 07:56:39 -0800; _________________________________________________________ Where can I get one of those TV's? W7TI -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative req; /archives//html/Amps/2001-01/msg00716.html (7,849 bytes)
10. [AMPS] SWR Protection (score: 1): Author: w7ti@jps.net (Bill Turner); Date: Fri, 01 Dec 2000 12:55:25 -0800; ____________________________________________________________ Not a good idea. For example, consider an open connection in the coax. Voltage goes up, current goes to zero, output power goes to zero (w; /archives//html/Amps/2000-12/msg00023.html (8,607 bytes)
11. [AMPS] SWR Protection (score: 1): Author: w7ti@jps.net (Bill Turner); Date: Fri, 01 Dec 2000 19:43:21 -0800; ____________________________________________________________ Ok, then your meter isn't really measuring power. It's measuring voltage while ASSUMING a fixed resistance of 50 ohms, therefore displayin; /archives//html/Amps/2000-12/msg00031.html (9,274 bytes)
12. [AMPS] SWR Protection (score: 1): Author: w7ti@jps.net (Bill Turner); Date: Fri, 01 Dec 2000 21:29:25 -0800; _____________________________________________________ With an open or shorted piece of coax, there will be forward and reflected voltage and current, but relatively little power, since the impedance; /archives//html/Amps/2000-12/msg00035.html (9,280 bytes)
13. [AMPS] SWR Protection (score: 1): Author: w7ti@jps.net (Bill Turner); Date: Sun, 03 Dec 2000 16:26:36 -0800; ______________________________________________________ This is why I suggested the gentleman use a fault detector which monitors both RF voltage and current separately and trips when either one excee; /archives//html/Amps/2000-12/msg00046.html (9,247 bytes)
14. [AMPS] SWR Protection (score: 1): Author: w7ti@jps.net (Bill Turner); Date: Sun, 03 Dec 2000 19:38:35 -0800; ___________________________________________________________ An antenna or coax fault which causes the monitored voltage to rise and the current to fall, which would make the "apparent" power the sam; /archives//html/Amps/2000-12/msg00049.html (9,772 bytes)
15. [AMPS] SWR Protection (score: 1): Author: w7ti@jps.net (Bill Turner); Date: Sun, 03 Dec 2000 19:49:35 -0800; ________________________________________________________ Don't feel bad Steve - it's what we do best! :-) 73, Bill W7TI -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.; /archives//html/Amps/2000-12/msg00051.html (8,719 bytes)
16. [AMPS] SWR Protection (score: 1): Author: w7ti@jps.net (Bill Turner); Date: Tue, 05 Dec 2000 09:18:26 -0800; ______________________________________________________ If you're talking about an open or short, I'll go along with you - but there are lots of possible faults which are intermediate between the extr; /archives//html/Amps/2000-12/msg00080.html (10,543 bytes)
17. [AMPS] AL-1200 Blower (score: 1): Author: w7ti@jps.net (Bill Turner); Date: Wed, 06 Dec 2000 08:37:46 -0800; _____________________________________________________________________ I can only offer some advice if you're planning on using the AL-1200 for RTTY. I had one several years ago and smoked the 80/160; /archives//html/Amps/2000-12/msg00093.html (8,869 bytes)
18. [AMPS] AL-1200 Blower (score: 1): Author: w7ti@jps.net (Bill Turner); Date: Wed, 06 Dec 2000 16:27:23 -0800; _____________________________________________________________________ I wonder if an infrared detector diode mounted to "look" directly at the anode might be better. Just a thought, haven't experimen; /archives//html/Amps/2000-12/msg00103.html (8,442 bytes)
19. [AMPS] AL-1200 Blower (score: 1): Author: w7ti@jps.net (Bill Turner); Date: Thu, 07 Dec 2000 11:40:27 -0800; _____________________________________________________________________ Murphy does well enough without assistance... but he always seems to find some. :-) 73, Bill W7TI -- FAQ on WWW: http://www.conte; /archives//html/Amps/2000-12/msg00121.html (8,056 bytes)
20. [AMPS] SB-200 tuning problem (score: 1): Author: w7ti@jps.net (Bill Turner); Date: Fri, 08 Dec 2000 17:08:46 -0800; ______________________________________________________________ When the pointer is at zero or full scale, are the capacitor plates fully meshed or fully open? Perhaps the pointer has gotten moved off; /archives//html/Amps/2000-12/msg00142.html (7,316 bytes)

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