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41. Re: [Amps] Ham Tests, was Price per Watt Conversation (score: 1): Author: "Mark Bitterlich" <markbitterlich@embarqmail.com>; Date: Fri, 28 Apr 2017 00:58:46 -0400; Bill, I did not miss the point, I just think you're wrong. Please do not assume that the two things are synonymous. In an emergency a level headed person will use the training he or she has received; /archives//html/Amps/2017-04/msg00365.html (14,942 bytes)
42. [Amps] Drivel (score: 1): Author: mark bitterlich <markbitterlich@embarqmail.com>; Date: Fri, 28 Apr 2017 17:58:07 -0400; REPLY: Mark, why not talk to the real professionals about emergency communication? The people who do it every day. Go down to your local fire or police department and present your case for CW. Sugges; /archives//html/Amps/2017-04/msg00398.html (7,655 bytes)
43. Re: [Amps] Drivel (score: 1): Author: "Mark Bitterlich" <markbitterlich@embarqmail.com>; Date: Sat, 29 Apr 2017 14:09:31 -0400; when blood is spilling and things are on fire, voice is king. I believe you said a lot of things, but what I was really addressing was your comment to wit: Relying on CW in an emergency will get you; /archives//html/Amps/2017-04/msg00436.html (11,473 bytes)
44. Re: [Amps] Drivel (score: 1): Author: "Mark Bitterlich" <markbitterlich@embarqmail.com>; Date: Sat, 29 Apr 2017 16:03:58 -0400; To evaluate your opinion (and it is nothing but opinion, based on a religious belief in CW), I'd like to know exactly what emergency communications operations you have been a part of in the last ten; /archives//html/Amps/2017-04/msg00443.html (12,510 bytes)
45. Re: [Amps] Drivel (score: 1): Author: "Mark Bitterlich" <markbitterlich@embarqmail.com>; Date: Sat, 29 Apr 2017 16:06:42 -0400; Was that "Emergency Communication" ? I think it was! WA3JPY -- Original Message -- From: "Scott McDonald via Amps" <amps@contesting.com> To: <donroden@hiwaay.net> Cc: <amps@contesting.com> Sent: Satu; /archives//html/Amps/2017-04/msg00444.html (9,644 bytes)
46. Re: [Amps] Drivel (score: 1): Author: "Mark Bitterlich" <markbitterlich@embarqmail.com>; Date: Sun, 30 Apr 2017 15:53:59 -0400; I think we can end this about now. My point has been made, and so has yours. As far as discussions go, there never was one. As far as the topic went, you changed it to meet your debating points, whic; /archives//html/Amps/2017-04/msg00450.html (11,035 bytes)
47. Re: [Amps] new amp race (score: 1): Author: "Mark Bitterlich" <markbitterlich@embarqmail.com>; Date: Sun, 21 May 2017 18:24:27 -0400; I'd blame this more on sunspot lows than egos. Egos have always been with us, but we are seeing unprecedented poor solar conditions. Bill Turner" <dezrat@outlook.com replied by saying: The answer to; /archives//html/Amps/2017-05/msg00226.html (12,578 bytes)
48. Re: [Amps] new amp race; switched to cars (score: 1): Author: "Mark Bitterlich" <markbitterlich@embarqmail.com>; Date: Sun, 21 May 2017 18:35:34 -0400; My 1969 Chevy El Camino SS with a 396 big block would make 375. Bill Turner" <dezrat@outlook.com replied: On a recent road trip, my 2017 Chevy Cruze with a 1.4 liter 4-cylinder turbo got 51.6 miles p; /archives//html/Amps/2017-05/msg00227.html (9,704 bytes)
49. Re: [Amps] LDMOS availability (score: 1): Author: "Mark Bitterlich" <markbitterlich@embarqmail.com>; Date: Fri, 9 Jun 2017 20:56:33 -0400; That has already been explained by Manfred. You may disagree, but that does not make his explanation incorrect. If the device conducts less than 180 degrees, then it is Class C. Bias modulation does; /archives//html/Amps/2017-06/msg00128.html (10,651 bytes)
50. Re: [Amps] LDMOS availability (score: 1): Author: "Mark Bitterlich" <markbitterlich@embarqmail.com>; Date: Sat, 10 Jun 2017 11:57:18 -0400; The first thing that must be agreed is that if the device conducts less than 180 degrees then it is Class C. I submit that this is not nonsense, it is the agreed upon definition of what determines a; /archives//html/Amps/2017-06/msg00136.html (12,552 bytes)
51. Re: [Amps] SB220 step start blows fuses (score: 1): Author: "Mark Bitterlich" <markbitterlich@embarqmail.com>; Date: Thu, 6 Jul 2017 19:14:06 -0400; With all the answers from the real experts at hand, I feel safe offering my 2 cents on the topic. If you suffer from an amplifier (or anything else) blowing fuses, like this amp is doing, you need to; /archives//html/Amps/2017-07/msg00021.html (12,919 bytes)
52. Re: [Amps] Plate Choke Issue (score: 1): Author: mark bitterlich <markbitterlich@embarqmail.com>; Date: Wed, 03 Jan 2018 17:31:54 -0500; I would offer that using an IR temp measurement device (gun), would be safer and easier. I've used them for lots of measurements in amps, power on in fact. You can stay well away from HV and get accu; /archives//html/Amps/2018-01/msg00036.html (10,948 bytes)
53. Re: [Amps] Alpha 87a No RS-232 (score: 1): Author: "Mark Bitterlich" <markbitterlich@embarqmail.com>; Date: Thu, 5 Jul 2018 17:17:35 -0400; Hello Gerry. The MAX232 IC is infamous for this kind of problem. They were used in some of the early Packet Radio TNC designs, and every one that was soldered in, I pulled out and installed a socket; /archives//html/Amps/2018-07/msg00013.html (11,200 bytes)
54. Re: [Amps] Alpha 87a No RS-232 (score: 1): Author: "Mark Bitterlich" <markbitterlich@embarqmail.com>; Date: Thu, 5 Jul 2018 17:51:41 -0400; Glad to hear youve got it figured out. Best of luck. Mark Wa3jpy From: Gerry Hull [mailto:gerry@w1ve.com] Sent: Thursday, July 05, 2018 5:25 PM To: Mark Bitterlich; amps@contesting.com Subject: Re: [; /archives//html/Amps/2018-07/msg00014.html (12,343 bytes)
55. Re: [Amps] stuff forsale! (score: 1): Author: mark bitterlich <markbitterlich@embarqmail.com>; Date: Sun, 14 Oct 2018 21:17:28 -0400; REPLY: Beware of the HF-2500 in its original UNMODIFIED state. The toroid in the output tank WILL NOT handle full RTTY power on 160-40 meters, as I learned twice. I suggest you ask the seller what t; /archives//html/Amps/2018-10/msg00051.html (9,120 bytes)
56. Re: [Amps] SB-220 HV Transformer Wanted (score: 1): Author: mark bitterlich <markbitterlich@embarqmail.com>; Date: Wed, 30 Oct 2019 17:23:08 -0400; Ok, this brings up a technical question that pertains to the topic amazingly enough. When you shift from single sideband to CW on this amp are you or are you not moving the class of operation from AB; /archives//html/Amps/2019-10/msg00101.html (10,323 bytes)
57. Re: [Amps] SB-220 HV Transformer Wanted ; thread stolen for bias question (score: 1): Author: "Mark Bitterlich" <markbitterlich@embarqmail.com>; Date: Thu, 31 Oct 2019 09:30:09 -0400; Hi Gary, thanks for your reply. Yes, I was around when regulations were based on input power (1968) and have heard your explanation before but I tend to question it simply because the Henry 3K and 8K; /archives//html/Amps/2019-10/msg00112.html (11,985 bytes)
58. [Amps] Changing class of operation with BIAS (score: 1): Author: "Mark Bitterlich" <markbitterlich@embarqmail.com>; Date: Thu, 31 Oct 2019 18:54:06 -0400; It seems that my original question generated some interest, and I have received several private replies. A majority of them espouse some interesting viewpoints that make me question what I thought I; /archives//html/Amps/2019-10/msg00113.html (7,154 bytes)
59. Re: [Amps] Changing class of operation with BIAS (score: 1): Author: mark bitterlich <markbitterlich@embarqmail.com>; Date: Thu, 31 Oct 2019 20:34:43 -0400; So you are not changing the bias, even though resting current has changed, but you are changing the conduction angle and thus the class of operation (triode). Question: How can you change the class; /archives//html/Amps/2019-10/msg00115.html (9,218 bytes)
60. Re: [Amps] SB-220 HV Transformer Wanted ; thread stolen for bias question (score: 1): Author: "Mark Bitterlich" <markbitterlich@embarqmail.com>; Date: Fri, 1 Nov 2019 10:41:06 -0400; Gary, this is a very concise and informative posting that along with the comments from Joe Subich (and others) really paint a clear picture of the details I was missing in my understanding of this to; /archives//html/Amps/2019-11/msg00006.html (17,771 bytes)

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