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221. [TenTec] OMNI-VI Plus features lost from OMNI-V? (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Tue, 28 Sep 1999 09:48:31 -0500; Somehow with my Corsair II, I find I prefer rag chewing with the BPT set for about 1.8 Khz pass band, rolling off the higher frequencies. I do that to cut out noise and QRM. I don't know about rag ch; /archives//html/TenTec/1999-09/msg00545.html (9,331 bytes)
222. [TenTec] noise in receivers (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Tue, 28 Sep 1999 14:23:02 -0500; Any oscillator with PLL is going to be noisier. Any oscillator mixed with signal is going to show more reciprocal mixing with a noisier oscillator. The 830's PLL offsets is fairly clean because the l; /archives//html/TenTec/1999-09/msg00556.html (7,983 bytes)
223. [TenTec] OMNI-VI PBT position (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Tue, 28 Sep 1999 14:23:12 -0500; Summertime on 75 and 160 is a good time to compare filters. Another more scientific way is with a local pulse generator without antenna and see what the maximum pulse rate with fixed pulse width that; /archives//html/TenTec/1999-09/msg00557.html (7,944 bytes)
224. [TenTec] What is it? (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Tue, 28 Sep 1999 20:32:35 -0500; Kind of trapezoidal in cross section with rounded corners? Heathkit used one like that too. I recall it was from Electro-Voice. I'd have to dig back in catalogs to find it. 73, Jerry, K0CQ -- FAQ on; /archives//html/TenTec/1999-09/msg00568.html (8,283 bytes)
225. [TenTec] What is it? (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Tue, 28 Sep 1999 21:34:38 -0500; I don't remember it being bassy on the Heathkit Cheyenne AM mobile rig. Could be a 636. I think it had EV and that number in the casting of the front panel seen from the inside. Bassiness may have ha; /archives//html/TenTec/1999-09/msg00573.html (8,640 bytes)
226. [TenTec] 215 microphone (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Tue, 28 Sep 1999 21:53:03 -0500; The picture on the unofficial tentec page sure looks like the EV 636 as I remember it. 73, Jerry, K0CQ http://asd.state.va.us/tentec/ttacc.htm -- FAQ on WWW: http://www.contesting.com/tentecfaq.htm S; /archives//html/TenTec/1999-09/msg00574.html (6,778 bytes)
227. [TenTec] Oh, But I Disagree (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Wed, 29 Sep 1999 10:02:17 -0500; In netscape 3.01G mail program, REPLY or REPLY TO ALL only gets addresses, no content. I have to punch quote to get the text. But I can take out all that's not necessary for continuity. We must remem; /archives//html/TenTec/1999-09/msg00607.html (7,430 bytes)
228. [TenTec] Re: What is it? 215 microphone (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Wed, 29 Sep 1999 10:02:23 -0500; Heathkit indeed sold the EV 636 under a their number and with their two tone green paint. Probably before TenTec was formed. I know the one I used mobile came from Heathkit before or during 1959. EV'; /archives//html/TenTec/1999-09/msg00608.html (7,610 bytes)
229. [TenTec] Re: What is it? 215 microphone (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Wed, 29 Sep 1999 15:06:59 -0500; Look at the 215 at: http://asd.state.va.us/tentec/ttacc.htm There's no grip to talk stand, the PTT is a rocker switch in the microphone. The stand is just a holder, nothing else. 73, Jerry, K0CQ -- F; /archives//html/TenTec/1999-09/msg00623.html (7,698 bytes)
230. [TenTec] Paragon Battery Backup (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Tue, 03 Aug 1999 09:10:22 -0500; There are multiple problems here. First "9v" nicads made for transistor radios are more often 7.2 than 9 volts. That leaves much less head room for the memory that probably needs some minimum voltage; /archives//html/TenTec/1999-08/msg00042.html (9,217 bytes)
231. [TenTec] Replacement for TT 1140 circuit breaker? (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Tue, 03 Aug 1999 17:13:13 -0500; I'm using a 15 amp fast blow fuse. I suspect its faster than the circuit breaker. I'm using the large blade type automotive fuse but made by Buss, not in China. 73, Jerry, K0CQ -- FAQ on WWW: http://; /archives//html/TenTec/1999-08/msg00047.html (7,569 bytes)
232. [TenTec] Re: Alternate Power Switching (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Thu, 12 Aug 1999 15:53:06 -0500; Not bad except most unregulated supplies don't quite run 24, just 18 or 22 but in any case the energy efficiency is rotten. You need to protect the world from the batteries being capable of a kilo am; /archives//html/TenTec/1999-08/msg00180.html (10,289 bytes)
233. [TenTec] Re: Alternate Power Switching (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Thu, 12 Aug 1999 16:40:52 -0500; Because of transformer and bleeder resistor looses, efficiency while receiving is even poorer, and with receive time much longer than transmit, the overall energy consumption is still way more than i; /archives//html/TenTec/1999-08/msg00187.html (7,917 bytes)
234. [TenTec] Re: Alternate Power Switching (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Thu, 12 Aug 1999 16:58:48 -0500; It wasn't good. Electricity was 2 cents per KWH. Not 15 and becoming in short supply. Few of us ran a receiver 18 hours a day those days either. 73, Jerry, K0CQ -- FAQ on WWW: http://www.contesting.c; /archives//html/TenTec/1999-08/msg00189.html (7,890 bytes)
235. [TenTec] Re: Alternate Power Switching (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Mon, 16 Aug 1999 08:41:08 -0500; If you aren't very sure of proper polarity of the power supply and battery you have already fried the radio! Battery acid from a poorly welded case will eat floors, including concrete. Fumes from cha; /archives//html/TenTec/1999-08/msg00232.html (8,798 bytes)
236. [TenTec] Re: Ten Tec Tritons (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Sun, 22 Aug 1999 22:26:24 -0500; With IF at 9 Mhz, it would 28 Mhz (- 18 mhz = 10 Mhz). 73, Jerry, K0CQ -- FAQ on WWW: http://www.contesting.com/tentecfaq.htm Submissions: tentec@contesting.com Administrative requests: tentec-REQUES; /archives//html/TenTec/1999-08/msg00297.html (6,810 bytes)
237. [TenTec] OMNI VI+ Problem (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Mon, 23 Aug 1999 10:39:17 -0500; First check the PC board mounting and grounds. Might be just the right number loose to get RF feedback and oscillation. Check the parts in the 15m low pass filter, might be some out of tolerance. I w; /archives//html/TenTec/1999-08/msg00303.html (7,289 bytes)
238. [TenTec] The Last Radios (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Mon, 23 Aug 1999 14:44:07 -0500; Trouble is that the parts makers, chip makers, transistor makers are no longer making any parts other than SMT... If you want spares in a few years you better buy them now or plan on making tiny PC b; /archives//html/TenTec/1999-08/msg00310.html (7,732 bytes)
239. [TenTec] TT mic plug (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Mon, 30 Aug 1999 21:41:29 -0500; The plug is the same, but the connections are different. Seems like every use for that plug is connected differently. Gerald -- FAQ on WWW: http://www.contesting.com/tentecfaq.htm Submissions: tentec; /archives//html/TenTec/1999-08/msg00419.html (6,724 bytes)
240. [TenTec] Re: TT & Headphones Volume (score: 1): Author: geraldj@ames.net (Dr. Gerald N. Johnson, P.E.); Date: Thu, 01 Jul 1999 16:41:30 -0500; We could but we would have to accept lower power. We load the RF amps to get all the power the voltage and current capabilities of the active devices. Audio amps don't use either limit most of the ti; /archives//html/TenTec/1999-07/msg00024.html (7,243 bytes)

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