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21. [AMPS] ssr's in qro amps (score: 1): Author: w7iuv@nis4u.com (Larry Molitor); Date: Tue, 27 Jun 2000 22:54:45 +0100; One of the neat things about working in weapons systems development was the wide variety of technology one was exposed to. One weird thing is called a "slapper detonator". To make a long story short,; /archives//html/Amps/2000-06/msg00447.html (9,300 bytes)
22. [AMPS] ssr's in qro amps (score: 1): Author: w7iuv@nis4u.com (Larry Molitor); Date: Tue, 27 Jun 2000 23:28:47 +0100; Well, Mike, it turns out that there are several added benefits to this approach, for me at least. One of those is that no additional delays or sequencing are needed. Oh sure, the purists will insist; /archives//html/Amps/2000-06/msg00448.html (10,468 bytes)
23. [AMPS] ssr's in qro amps (score: 1): Author: w7iuv@nis4u.com (Larry Molitor); Date: Tue, 27 Jun 2000 23:40:03 +0100; Tom, Are you saying that you would bet your life on an interlock? I wouldn't. My preference is to use EVERY means available to ensure personal safety. By the way, how do you troubleshoot a HV circuit; /archives//html/Amps/2000-06/msg00449.html (9,147 bytes)
24. [AMPS] ssr's in qro amps (score: 1): Author: 2@vc.net (measures); Date: Tue, 27 Jun 2000 19:08:03 -0700; The one that works every time is pull the plug. In my experiences, kaput hv ps parts are best found with the power off. A high pot tester is invaluable. later, Larry - Rich..., 805.386.3734, www.vcn; /archives//html/Amps/2000-06/msg00451.html (9,326 bytes)
25. [AMPS] ssr's in qro amps (score: 1): Author: 2@vc.net (measures); Date: Tue, 27 Jun 2000 19:08:05 -0700; A typical stepstart steps in about 500mS. [chortle]. You gotta be kidding. Running the amplifier through a stepstart cycle 10 - 20 times a minute (SSB - VOX) is scary. So what do we do, say the firs; /archives//html/Amps/2000-06/msg00452.html (10,503 bytes)
26. [AMPS] ssr's in qro amps (score: 1): Author: ve3zi@hotmail.com (Roger P); Date: Tue, 27 Jun 2000 19:03:55 PDT; I am reminded of an ancient (1960s) Marconi HF transmitter which used magnetic interlocks. Easily defeated with a magnet. BUT you couldn't put the cover back on unless you removed the magnet. So no c; /archives//html/Amps/2000-06/msg00453.html (10,381 bytes)
27. [AMPS] ssr's in qro amps (score: 1): Author: 2@vc.net (measures); Date: Tue, 27 Jun 2000 19:08:11 -0700; Amen to that. I typically watch the HV discharge as I remove the screws. - Rich..., 805.386.3734, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@cont; /archives//html/Amps/2000-06/msg00454.html (10,358 bytes)
28. [AMPS] ssr's in qro amps (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 27 Jun 2000 22:09:34 -0400; Hi Larry, What I say below is a general response to your questions, and my personal opinion. It doesn't mean you are wrong and I am right, just how I view the problem. No. I am saying a simple interl; /archives//html/Amps/2000-06/msg00456.html (11,196 bytes)
29. [AMPS] ssr's in qro amps (score: 1): Author: 2@vc.net (measures); Date: Tue, 27 Jun 2000 20:54:06 -0700; Amen. The turn-off component could eventually short. I can not visualize how an operator could contact the anode supply unless numerous screws were first removed. For securing optimal input swr, tun; /archives//html/Amps/2000-06/msg00457.html (11,867 bytes)
30. SV: [AMPS] ssr's in qro amps (score: 1): Author: sm5ki@algonet.se (sm5ki); Date: Wed, 28 Jun 2000 06:41:07 +0000; The SSR:s are used in consumer electronics to among other things turn television sets and stereos on/off by remote control. And there have been accidents after the gear was turned off. Fire broke out; /archives//html/Amps/2000-06/msg00458.html (12,291 bytes)
31. [AMPS] ssr's in qro amps (score: 1): Author: w7iuv@nis4u.com (Larry Molitor); Date: Wed, 28 Jun 2000 07:18:51 +0100; Tom, At first I wasn't going to respond to your post at all, but decided that maybe I would try one more time.... It appears to me that the concept of "NO HV on RX" is so utterly alien to the amateur; /archives//html/Amps/2000-06/msg00460.html (14,630 bytes)
32. [AMPS] ssr's in qro amps (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Wed, 28 Jun 2000 08:52:45 +0100; It's interesting that back in the 'good ole days', (i.e. AM and CW only) removing the HV from the tx when in receive was not uncommon. Some marine tx's did not, but that was because they had to be ab; /archives//html/Amps/2000-06/msg00461.html (9,550 bytes)
33. [AMPS] ssr's in qro amps (score: 1): Author: sm2cew@telia.com (Peter Sundberg); Date: Wed, 28 Jun 2000 08:47:59 +0200; Larry, for me it was because of your statement: "In this ham shack I have a rule: There will be NO high voltage present anywhere during receive mode. Period. Non-negotiable. End of discussion." You c; /archives//html/Amps/2000-06/msg00462.html (10,159 bytes)
34. SV: [AMPS] ssr's in qro amps (score: 1): Author: sm5ki@algonet.se (sm5ki); Date: Wed, 28 Jun 2000 10:50:58 +0000; Yeah Peter remember what Voltaire said? Something like ( my own words ) : " I do not agree with your opinion but I respect your right to have YOUR opinion...." If everybody had the same opinion, ther; /archives//html/Amps/2000-06/msg00465.html (11,512 bytes)
35. [AMPS] ssr's in qro amps (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Wed, 28 Jun 2000 08:47:55 -0400; Do they turn off the main energy storage in the system? They do not. Life of the lamps is greatly shortened, but once again they do not turn off a supply with considerable stored energy. On 2 minute; /archives//html/Amps/2000-06/msg00467.html (12,565 bytes)
36. [AMPS] ssr's in qro amps (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Wed, 28 Jun 2000 08:47:55 -0400; That's because it was on ten or twenty minutes, and off ten or twenty. Few AM operators used VOX, and the HV was never removed on the supply on CW between dots and dashes or words. Bingo. People lea; /archives//html/Amps/2000-06/msg00468.html (9,021 bytes)
37. [AMPS] ssr's in qro amps (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Wed, 28 Jun 2000 13:53:58 +0100; Well, if you go back far enough, there was keying the AC supply..........usually when running the power oscillator with raw AC on the plates.....must have been a pretty broad band signal. 73 Peter G3; /archives//html/Amps/2000-06/msg00470.html (8,273 bytes)
38. [AMPS] ssr's in qro amps (score: 1): Author: Wt8r@aol.com (Wt8r@aol.com); Date: Wed, 28 Jun 2000 09:21:45 EDT; Peter, Are you a psychiatrist or a ham? Perhaps you have ESP (extra sensory perception)? Do you interpret dreams? There is nothing provocative in Larry's statement in my opinion. Perhaps you might wa; /archives//html/Amps/2000-06/msg00471.html (9,590 bytes)
39. [AMPS] ssr's in qro amps (score: 1): Author: kc4slk@csrlink.net (Mike Sawyer); Date: Wed, 28 Jun 2000 10:11:32 -0400; Larry, <SNIP> Remember, a wise man said that there is no such thing as "OLD FOOLS"!!! 73, Mike(y) W3SLK -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrati; /archives//html/Amps/2000-06/msg00472.html (9,437 bytes)
40. [AMPS] ssr's in qro amps (score: 1): Author: 2@vc.net (measures); Date: Wed, 28 Jun 2000 07:42:28 -0700; I have been in AM ''roundtables'' where the RX period was c. 30-minutes. I often made a full page of notes. Is this nutz or what?. Amen. To this day, AM operators typically hate VOX with a passion.; /archives//html/Amps/2000-06/msg00473.html (8,812 bytes)

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