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21. [TenTec] Corsairs, Pro II, etc hi hi....interesting replies! (score: 1): Author: dufferjames@hotmail.com (James Duffer); Date: Fri Jan 31 08:07:47 2003; Seems like I ordered my Ten Tec Model 544 in 1976/77 from a dealer in North Carolina. I am guessing when they went to direct sales but my guess is around 1986. Hopefully someone on the list will kno; /archives//html/TenTec/2003-01/msg00706.html (8,215 bytes)
22. [TenTec] Even MORE on vertical antennas! (score: 1): Author: dufferjames@hotmail.com (James Duffer); Date: Tue, 03 Sep 2002 07:36:27 -0500; SNIP SNIP Sort of a poor man's "space diversity" antenna system...HI 73, Jim, wd4air _________________________________________________________________ Join the world?s largest e-mail service with MSN; /archives//html/TenTec/2002-09/msg00057.html (8,853 bytes)
23. [TenTec] Even MORE on vertical antennas! (score: 1): Author: dufferjames@hotmail.com (James Duffer); Date: Wed, 04 Sep 2002 08:22:24 -0500; SNIP SNIP HUH HUH????? Are you suggesting that they (the electromagnetic waves) are no longer linearly polarized (no longer vertical or horizontal) but now have a circular or elliptical polarization; /archives//html/TenTec/2002-09/msg00096.html (8,877 bytes)
24. [TenTec] This is getting boring (score: 1): Author: dufferjames@hotmail.com (James Duffer); Date: Wed, 04 Sep 2002 08:46:29 -0500; SNIP SNIP I am wondering if the name "Orion" will not end up being a problem for TenTec much the same way as "Triton" I have a model 544 which is not called a "Triton IV" for a particular reason. I h; /archives//html/TenTec/2002-09/msg00098.html (8,534 bytes)
25. [TenTec] Paragon VFO Problem (score: 1): Author: dufferjames@hotmail.com (James Duffer); Date: Tue, 27 Aug 2002 10:17:00 -0500; To: <tentec@contesting.com> I found the "Break Free CLP" available at WalMart Supercenter for a very reasonable price for a 4 oz size can. ___________________________________________________________; /archives//html/TenTec/2002-08/msg00535.html (9,172 bytes)
26. [TenTec] E Mail (score: 1): Author: dufferjames@hotmail.com (James Duffer); Date: Tue, 07 May 2002 07:40:43 -0500; Kind of like "write only memory".....never thought there would be a need for it! Looking forward to your comments. 73, Jim, wd4air To: <tentec@contesting.com> ________________________________________; /archives//html/TenTec/2002-05/msg00108.html (7,750 bytes)
27. [TenTec] ARRL reviews (score: 1): Author: dufferjames@hotmail.com (James Duffer); Date: Wed, 10 Apr 2002 20:54:37 -0500; Isn't this the easy way out? Just maybe some wise leadership is needed to show the mindless masses the error of their ways. This reminds me of a two meter repeater whose long time users would just ke; /archives//html/TenTec/2002-04/msg00336.html (9,852 bytes)
28. [TenTec] OMNI VI Transmit IMD (score: 1): Author: dufferjames@hotmail.com (James Duffer); Date: Thu, 18 Apr 2002 07:28:53 -0500; snip snip Is zero-bias synonymous with Class C ???? I was under impression that operation of Class C required the amplifying device to be biased beyond cutoff allowing conduction for a portion less t; /archives//html/TenTec/2002-04/msg00547.html (8,702 bytes)
29. [TenTec] KB7OEX: a big plus favoring ORION (score: 1): Author: dufferjames@hotmail.com (James Duffer); Date: Wed, 13 Mar 2002 08:04:34 -0600; snip snip If they go forward, then network of microprocessors may be an alternative. Arrays and network of microprocessors in large electronic systems such as a radar common digitizer are common. Eve; /archives//html/TenTec/2002-03/msg00551.html (9,216 bytes)
30. [TenTec] Type of Speech Processing in Jupiter/Pegasus? (score: 1): Author: dufferjames@hotmail.com (James Duffer); Date: Sat, 23 Feb 2002 09:59:34 -0600; To: <tentec@contesting.com> Not a problem (apparently) for some SSB operators....as long as they are "30 over S9" _________________________________________________________________ Send and receive H; /archives//html/TenTec/2002-02/msg00374.html (9,710 bytes)
31. [TenTec] Ten-Tec External Speaker (score: 1): Author: dufferjames@hotmail.com (James Duffer); Date: Mon, 21 Jan 2002 16:01:33 -0600; To: <tentec@contesting.com> Why is this contrary? Please explain why moving identical voice coils in a strong magnetic field versus a weak magnetic field (from the permanent fixed magnets) requires; /archives//html/TenTec/2002-01/msg00279.html (9,135 bytes)
32. [TenTec] Ten-Tec External Speaker (score: 1): Author: dufferjames@hotmail.com (James Duffer); Date: Tue, 22 Jan 2002 08:26:04 -0600; Sounds logical to me. Thanks for a short simple lucid explanation. 73, Jim, wd4air To: <tentec@contesting.com> _________________________________________________________________ Join the world?s large; /archives//html/TenTec/2002-01/msg00310.html (8,504 bytes)
33. [TenTec] Simultaneous Keying Question (score: 1): Author: dufferjames@hotmail.com (James Duffer); Date: Mon, 03 Sep 2001 09:24:10 -0500; Suggest you contact the ARRL, they haven been doing what you are attempting to do for years.....maybe you don't have to reinvent the wheel. Hopefully you will find a simple, cheap solution. 73, Jim,; /archives//html/TenTec/2001-09/msg00026.html (10,751 bytes)
34. [TenTec] Operating Tentec 540/544 near big amps (score: 1): Author: dufferjames@hotmail.com (James Duffer); Date: Thu, 13 Sep 2001 07:58:06 -0500; Hi Allan, Bought my TenTec 544 new back around 77 or 78. I have used it with a Dentron MLA 2500 with no difficulty. The telephone didn't fare as well! The 544 was my main rig until the late 80s when; /archives//html/TenTec/2001-09/msg00122.html (8,369 bytes)
35. [TenTec] HF Band CW Praactice (score: 1): Author: dufferjames@hotmail.com (James Duffer); Date: Wed, 29 Aug 2001 10:37:37 -0500; Because TEN-TEC radios are capable of receiving CW signals which is permitted on the amateur frequencies. All TEN-TEC radios are capable of transmitting CW provided the operator can send CW. Thats t; /archives//html/TenTec/2001-08/msg00198.html (11,166 bytes)
36. [TenTec] WTB: 262 PS (score: 1): Author: dufferjames@hotmail.com (James Duffer); Date: Thu, 12 Jul 2001 09:45:00 -0500; I have had dealings with Astron before, by e-mail,I admit they are very slow to respond, in fact I gave up, but snail mail got good results. The matter I had involved a correct schematic as the one I; /archives//html/TenTec/2001-07/msg00075.html (10,317 bytes)
37. [TenTec] Re: Ten Tec Stations (score: 1): Author: dufferjames@hotmail.com (James Duffer); Date: Wed, 25 Jul 2001 16:51:11 -0500; Assuming carrier is suppressed, and further assuming the unwanted sideband is filtered out, then if a single sinusoidal tone is used to modulate a ssb transmitter.....the output will be a CW. Legal t; /archives//html/TenTec/2001-07/msg00181.html (8,203 bytes)
38. [TenTec] TenTec Amateur Radio Digest V4 #145 (score: 1): Author: dufferjames@hotmail.com (James Duffer); Date: Thu, 17 May 2001 14:55:26 -0500; But some haven't. I recall my entry into ham radio was on a crystal controlled transmitter, as was all novices at that time period, very little drifting there.....maybe a little chirping now and the; /archives//html/TenTec/2001-05/msg00193.html (7,207 bytes)
39. [TenTec] Delta 580 for sale at DixieFest (score: 1): Author: dufferjames@hotmail.com (James Duffer); Date: Wed, 07 Feb 2001 09:16:45 -0600; I will be at the Memphis, TN DixieFest flea market area, I will have a TenTec Delta (580) for sale. I think I will be at table 4G. 73, Jim WD4AIR _____________________________________________________; /archives//html/TenTec/2001-02/msg00086.html (6,788 bytes)
40. [TenTec] More CW-Only Rig (score: 1): Author: dufferjames@hotmail.com (James Duffer); Date: Mon, 08 Jan 2001 06:15:24 -0600; <html><DIV> <P><BR><BR></P></DIV> <DIV></DIV> <DIV></DIV>>From: "Mike Siegel" <KI6PR@ELITE.NET> <DIV></DIV>>To: <TENTEC@CONTESTING.COM> <DIV></DIV>>Subject: [TenTec] More CW-Only Rig To: <tentec@cont; /archives//html/TenTec/2001-01/msg00168.html (9,337 bytes)

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