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341. [TenTec] Omni-A not powered up for 7 years... (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Thu, 28 Jan 1999 10:40:37 -0600; I'd be suspicious to the point of replacing ALL the miniature electrolytics. Most bridges don't adequately measure power factor in their ranges, but mine does and some new ones don't pass my tests. B; /archives//html/TenTec/1999-01/msg00570.html (8,389 bytes)
342. [TenTec] Omni-A not powered up for 7 years... (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Thu, 28 Jan 1999 12:12:42 -0600; Reconsider those miniature electrolytics. When they get leaky and explode they shower their neighborhood with conductive electrolyte, foil and crepe paper. But their more common failure mode is loosi; /archives//html/TenTec/1999-01/msg00574.html (8,474 bytes)
343. [TenTec] Problem with Omni V receive sensitivity... (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Thu, 28 Jan 1999 14:12:03 -0600; Try the attenuated position. I suspect fried j310s. Attenuated takes the rf stage out of the circuit, I think. 73, Jerry, K0CQ -- FAQ on WWW: http://www.contesting.com/tentecfaq.htm Submissions: tent; /archives//html/TenTec/1999-01/msg00582.html (7,044 bytes)
344. [TenTec] Transistor Substitution (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Mon, 07 Dec 1998 22:07:23 -0600; Mouser (800-346-6873) asks 27 cents each with no minimum order charge. Forget Newark, they charge extra for using plastic. 73, Jerry, K0CQ -- FAQ on WWW: http://www.contesting.com/tentecfaq.htm Submi; /archives//html/TenTec/1998-12/msg00148.html (6,989 bytes)
345. [TenTec] VI+ Key Up Spike (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Fri, 11 Dec 1998 11:36:22 -0600; The main tuning cap melted? How so? did it arc or did heat melt some plastic supports. Its been 20 years probably since I was last deep into an MLA-2500. Put in a new pair of tubes and then checked i; /archives//html/TenTec/1998-12/msg00207.html (9,468 bytes)
346. [TenTec] Keyer boards/kits (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Fri, 18 Dec 1998 15:19:59 -0600; But the new part numbers: don't come up with a search and I don't find them in the latest printed catalog. The latest PIC computer based keyers probably are more versatile anyway. Since I've not beco; /archives//html/TenTec/1998-12/msg00321.html (8,121 bytes)
347. [TenTec] CW, Antennas (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Fri, 25 Dec 1998 17:33:37 -0600; Al, many otherwise good keys are made for being bolted down. Even the J-38 tips until the binding posts are removed and the base reversed. I've had Johnson Speed key for about 25 years. I mounted it; /archives//html/TenTec/1998-12/msg00382.html (9,186 bytes)
348. [TenTec] Omni V & Autek WM-1 observation (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Mon, 28 Dec 1998 19:59:50 -0600; The Autek is modifying the impedance seen by the Omni differently than the Bird. Check the antenna SWR with the Bird alone and then with the Autek between the Bird and the antenna at the critical fre; /archives//html/TenTec/1998-12/msg00420.html (8,384 bytes)
349. [Fwd: Re: [TenTec] RE: answers to Omni V/WM-1 observation] (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Tue, 29 Dec 1998 15:45:16 -0600; Message-ID: <36894B04.2315@ames.net> To: <tentec@contesting.com> Date: Tue, 29 Dec 1998 15:35:00 -0600 From: "Dr. Gerald N. Johnson, P.E." <geraldj@ames.net> Reply-To: geraldj@ames.net Organization:; /archives//html/TenTec/1998-12/msg00434.html (9,132 bytes)
350. [TenTec] Re: 2.4khz 9mhz pri INRAD Filters (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Tue, 29 Dec 1998 19:23:10 -0600; Silver mica capacitors are very good, probably more consistent than NPO ceramics. NPO ceramics are probable a bit more stable than COG. COG are tons more stable than general purpose ceramics. The hig; /archives//html/TenTec/1998-12/msg00441.html (8,472 bytes)
351. [TenTec] OMNI VI TROUBLE (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Sun, 01 Nov 1998 21:51:30 -0600; What you want is rather difficult to achieve. If a station is running SSB within 2 or 3 khz of your frequency that station has spectrum components that are WITHIN your receiver passband. They aren't; /archives//html/TenTec/1998-11/msg00011.html (8,514 bytes)
352. [TenTec] Y2K (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Wed, 04 Nov 1998 13:40:11 -0600; Is there a clock/calendar in the software? Does it have to have date/time entered after a power reset? Does it DO anything with date and time other than display it? If all of these answer to NO, then; /archives//html/TenTec/1998-11/msg00033.html (8,480 bytes)
353. [TenTec] Y2K (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Wed, 04 Nov 1998 13:52:20 -0600; Not necessarily. There aren't many hams alive with cards before 1920, and most awards require cards post WW2 and so post 1945. That leaves about 45 years before there's a problem and by then most awa; /archives//html/TenTec/1998-11/msg00035.html (8,213 bytes)
354. [TenTec] Y2K (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Wed, 04 Nov 1998 21:50:58 -0600; I think people ARE Y2K compliant because we know which way is forward in time. The only computer programs with Y2K problems are those that loose sight of that direction when the counter rolls over to; /archives//html/TenTec/1998-11/msg00053.html (8,116 bytes)
355. [TenTec] Y2K (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Wed, 04 Nov 1998 22:16:40 -0600; There's a really super prevention for Y2K in the Sunrise-Sunset program published in Byte Magazine for July 1981. It not only doesn't have a 2000 problem, it accomodates older calendars and their err; /archives//html/TenTec/1998-11/msg00054.html (8,152 bytes)
356. [TenTec] Corsair Problem (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Thu, 19 Nov 1998 18:13:32 -0600; Sounds like classical symptoms of a bad solder connection. Could be anywhere after the detector including switching. Since it comes and goes predictably, the service technique is to either look for w; /archives//html/TenTec/1998-11/msg00229.html (8,049 bytes)
357. [TenTec] test please ignore (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Thu, 19 Nov 1998 20:59:50 -0600; yeh, except it annoys more people. 73, Jerry, K0CQ -- FAQ on WWW: http://www.contesting.com/tentecfaq.htm Submissions: tentec@contesting.com Administrative requests: tentec-REQUEST@contesting.com Pro; /archives//html/TenTec/1998-11/msg00233.html (6,843 bytes)
358. [TenTec] Freq. reading on dial (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Wed, 25 Nov 1998 18:51:58 -0600; Looks to me like the first thing to check is the +REG supply. Its regulated by U1 and Q9 on the control board. It could prevent offset from working and would lower the drive to the counter so it woul; /archives//html/TenTec/1998-11/msg00346.html (7,560 bytes)
359. [TenTec] [Fwd: A not so gentle reminder - HV is unforgiving] (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Fri, 27 Nov 1998 20:27:44 -0600; 12 volts can be unforgiving too. All should avoid wearing rings and metal bands on wrist watches when working on 12 volt equipment. 30 amps through a ring can do a lot of damage to a finger. Short a; /archives//html/TenTec/1998-11/msg00369.html (8,177 bytes)
360. [TenTec] What's next in radio design (a thought question) (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Fri, 27 Nov 1998 22:36:51 -0600; Bandwidth might be worked out. First thing is to remove redundent audio tones, e.g. harmonics. Or reduce the voice to phonems. Then the data rate goes down to phonem descriptor and base frequency. A; /archives//html/TenTec/1998-11/msg00372.html (8,026 bytes)

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