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281. [TenTec] TenTec/ Harley (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Fri, 16 Apr 1999 19:46:38 -0500; The claims to fame for the DC receiver do include low noise. I think there are two reasons for that low noise perception. First their overall gain is significantly lower than a superhet. Their RF sen; /archives//html/TenTec/1999-04/msg00266.html (13,372 bytes)
282. [TenTec] Collins mech filters (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Fri, 16 Apr 1999 21:03:41 -0500; The Atari, RS model 1, and Apple 1 were first advertised in about 1976. By the end of that year, I had built GJilDA, a computer for student use in the local elementary school. With battery back up, i; /archives//html/TenTec/1999-04/msg00270.html (8,297 bytes)
283. [TenTec] Re: CW pleasures (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Thu, 22 Apr 1999 21:12:02 -0500; I've found that the DSP filter does reduce receiver noise, but puts its own back. I'm happier with a passive low pass filter on the speaker. I've one that has switchable cutoff frequencies in 2:1 ste; /archives//html/TenTec/1999-04/msg00415.html (7,318 bytes)
284. [TenTec] I dont get it. (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Fri, 23 Apr 1999 12:31:32 -0500; The clutch cable burns when the engine to chassis ground strap has broken, not battery to chassis. Been happening ever since they started using cables for the clutch. 73, Jerry, K0CQ -- FAQ on WWW: h; /archives//html/TenTec/1999-04/msg00434.html (7,676 bytes)
285. [TenTec] Mobile antennas (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Fri, 23 Apr 1999 17:48:53 -0500; A computational problem here... 3/4 wave at 28 MHz will be about 24 feet, definitely too tall to run down a road under power lines. A deadly hazard. But there's no need for that bottom quarter wave o; /archives//html/TenTec/1999-04/msg00443.html (8,294 bytes)
286. [TenTec] Re: Lest We Forget (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Fri, 30 Apr 1999 16:21:07 -0500; We'll not need to SEE that UNCLEAN sign, we'll hear it up and down 10... And he'll not be able to identify any unclean around him because of the lack of AGC... ICOM won't be able to detect his compla; /archives//html/TenTec/1999-04/msg00519.html (7,111 bytes)
287. [TenTec] Is the refector up and running? (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Fri, 30 Apr 1999 19:44:44 -0500; Can't say about QRP-L, but TenTec is working. 73, Jerry, K0CQ -- FAQ on WWW: http://www.contesting.com/tentecfaq.htm Submissions: tentec@contesting.com Administrative requests: tentec-REQUEST@contest; /archives//html/TenTec/1999-04/msg00524.html (6,925 bytes)
288. [TenTec] Contact cleaners (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Mon, 01 Mar 1999 02:11:25 -0600; I've not detected M-S had a regular contact cleaner as effective as Deoxit. Their Connector Plus used to be called Gold Guard, specifically for gold contacts. Their products have been harder to buy o; /archives//html/TenTec/1999-03/msg00001.html (7,005 bytes)
289. [TenTec] Poping in receiver???? (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Wed, 03 Mar 1999 17:51:36 -0600; There's a click generated every time a light switch opens or closes anywhere in the neighborhood, also aquarium heaters, furnace thermostats, furnace fan switches, motor start switches, TV sets, and; /archives//html/TenTec/1999-03/msg00046.html (9,337 bytes)
290. Arthur R Bernstein <n2ka@juno.com>: [TenTec] OMNI VI Problem? (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Wed, 03 Mar 1999 23:15:50 -0600; Probably the mixer crystal oscillator having been dragged to the end of its range to get the frequency perfect. The correction was to allow a bit of frequency error and keep the crystal more stable.; /archives//html/TenTec/1999-03/msg00057.html (7,311 bytes)
291. [TenTec] Tuning up with a dummy load ? (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Mon, 08 Mar 1999 21:21:02 -0600; You have to tune the TUNER into the antenna, not the dummy load. The dummy load is useful for tuning the radio (when tuned) and the linear (when tuned). The best way to tune the tuner without transmi; /archives//html/TenTec/1999-03/msg00116.html (7,488 bytes)
292. [TenTec] Creating public domain service manuals... (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Sun, 14 Feb 1999 10:22:36 -0600; Unless there's some tentec with germanium transistors, it takes 0.6 volts to turn on a silicon transistor. 73, Jerry, K0CQ -- FAQ on WWW: http://www.contesting.com/tentecfaq.htm Submissions: tentec@c; /archives//html/TenTec/1999-02/msg00192.html (7,292 bytes)
293. [TenTec] Spurious signals in my Corsair II (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Mon, 15 Feb 1999 11:39:45 -0600; The Corsair II is very sensitive. Could be picking up images or other LO mixer products. One day I was tuning 28 MHz and heard a signal I identified as a ham that I only knew to be on 75. Sure enough; /archives//html/TenTec/1999-02/msg00200.html (7,368 bytes)
294. [TenTec] CORSAIR II (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Mon, 15 Feb 1999 13:37:17 -0600; Shielding unfortunately is not one of Tentec's virtues. There can be birdies and Tentec admits one strong one on 10m. I've not noticed a lot that I didn't think were from computers and TNCs running a; /archives//html/TenTec/1999-02/msg00202.html (7,053 bytes)
295. [TenTec] RE: Your idea about testing a relay in-operation. (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Tue, 23 Feb 1999 11:41:48 -0600; Actually the relay does switch hot and two relay's in parallel won't switch close to simultaneous or bounce the same and one will always close first leaving just one to carry the current. Vacuum rela; /archives//html/TenTec/1999-02/msg00271.html (7,747 bytes)
296. [TenTec] On Contact Cleaning (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Fri, 26 Feb 1999 10:12:09 -0600; WD-40 leaves a mighty thin and mighty little oil behind. I've come to prefer straight kerosene for loosening stiff farm machinery. Caig Deoxit, Cramolin R-5 is VERY effective on noisy contacts and po; /archives//html/TenTec/1999-02/msg00310.html (8,715 bytes)
297. [TenTec] On Contact Cleaning (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Fri, 26 Feb 1999 15:34:03 -0600; In my experience, WD-40 claims far more (like a politician) than it delivers. I no longer bother with applying lubricant with the staying power of air. If I want deoxidation I use R-5 or Deoxit. If I; /archives//html/TenTec/1999-02/msg00315.html (8,861 bytes)
298. [TenTec] Contact Cleaner - Spra Kleen ? (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Sat, 27 Feb 1999 14:07:50 -0600; I used GC products like spra kleen until Caig came along with cramolin. The new stuff is far better. 73, Jerry, K0CQ -- FAQ on WWW: http://www.contesting.com/tentecfaq.htm Submissions: tentec@contest; /archives//html/TenTec/1999-02/msg00334.html (7,306 bytes)
299. [TenTec] On Contact Cleaning (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Sat, 27 Feb 1999 19:00:10 -0600; Best I can detect, a little WD-40 only wastes the money it cost to buy it. At the worst if it leaves a film to gather dust it can compromise the insulation of a switch wafer and introduce abrasive du; /archives//html/TenTec/1999-02/msg00342.html (8,927 bytes)
300. [TenTec] On Contact Cleaning (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Sat, 27 Feb 1999 19:00:32 -0600; My experience trying WD-40 as a penetrating oil has been that I would have been better off to have dropped what I was trying to do, cleaned up, locked up and gone off after liquid wrench or pierce th; /archives//html/TenTec/1999-02/msg00343.html (8,421 bytes)

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