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81. Re: [TenTec] OT 75 Ohm twin feeder (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Wed, 18 Jun 2008 19:30:31 +0100; Jerry, Interesting information. I just took my short length of "twin RG-400" and tried spraying it with water. I put a 47 Ohm resistor across one end and found the frequency where it was acting as a; /archives//html/TenTec/2008-06/msg00368.html (13,458 bytes)
82. Re: [TenTec] OT 75 Ohm twin feeder (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Wed, 18 Jun 2008 22:36:05 +0100; Jim, Nope! 2 lengths of RG8 strapped close together will work out around 60 Ohms. You would need to separate them by an inch to get 200 Ohms. And there's no need to strap inner and braid - just use t; /archives//html/TenTec/2008-06/msg00375.html (8,996 bytes)
83. Re: [TenTec] SWR VS Power Loss (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Fri, 04 Jul 2008 13:25:58 +0100; Jim, That table could be very misleading without a lot more info. For example, is it showing the total loss, or the "excess SWR loss"? What type of cable is it for? And what length? At what frequency; /archives//html/TenTec/2008-07/msg00054.html (7,621 bytes)
84. Re: [TenTec] OT SWR VS Power Loss (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Mon, 07 Jul 2008 09:53:09 +0100; I guess it all depends on what you mean by "the antenna" - does it or doesn't it include the impedance matching components? My personal view is that if you talk about a "tuner" you are talking about; /archives//html/TenTec/2008-07/msg00106.html (8,971 bytes)
85. Re: [TenTec] OT SWR VS Power Loss (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Mon, 07 Jul 2008 10:25:46 +0100; Jerry, Mischievously ....... I just tried an interesting experiment. I took a 100 Ohm resistor in series with a 100pF capacitor and placed them across the "antenna" terminals of my tuner. I watched t; /archives//html/TenTec/2008-07/msg00108.html (9,472 bytes)
86. Re: [TenTec] OT SWR VS Power Loss (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Mon, 07 Jul 2008 18:29:12 +0100; Jerry, Sorry - I can't agree. The tuner never made the phase angle of my load zero - the current through the resistor/capacitor combination, and the voltage across them were still out of phase, even; /archives//html/TenTec/2008-07/msg00135.html (9,453 bytes)
87. Re: [TenTec] New Rig.... (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Tue, 08 Jul 2008 22:28:28 +0100; I have an Omni VI and a Corsair II. The Omni VI is much more convenient - no need to re-build the PTO; no need to switch to SSBR on 17m; more stable; side-tone that sounds like it might be a sine wav; /archives//html/TenTec/2008-07/msg00188.html (8,705 bytes)
88. Re: [TenTec] New Rig....Turned around? (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Wed, 09 Jul 2008 20:02:22 +0100; Jeff, I'm a casual operator rather than a serious DXer or Contester. Yep, there's some element of nostalgia in my affection for my CorsiarII - it was the first new rig I ever owned - but, sentiment a; /archives//html/TenTec/2008-07/msg00223.html (9,252 bytes)
89. [TenTec] Corsair II QSK (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Fri, 15 Aug 2008 21:35:31 +0100; I picked up a bargain Corsair II today with matching PSU and desk micwell, you never know when you might need a spare:) At the price, I expected there might be a few problems, but all seems well apar; /archives//html/TenTec/2008-08/msg00229.html (7,373 bytes)
90. Re: [TenTec] Corsair II QSK (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Sun, 17 Aug 2008 08:31:17 +0100; Problem solved. A 4.7uF capacitor had been fitted at C54 on the IF/AF board instead of 1uF. It looks like it was there from new. The previous owner didn't use CW so he'd not noticed! 73, Steve G3TXQ; /archives//html/TenTec/2008-08/msg00262.html (8,363 bytes)
91. [TenTec] Corsair II S meter calibration (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Mon, 18 Aug 2008 19:31:36 +0100; Thought you might be interested in another fault I found today on my new "bargain" Corsair. Symptoms were that I set the S meter to read S9 on a 50uV signal, but if I then increased it by 20dB the S; /archives//html/TenTec/2008-08/msg00299.html (7,051 bytes)
92. Re: [TenTec] Corsair II QSK (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Wed, 20 Aug 2008 09:43:45 +0100; Bob, You're right - diagnosing a wrong-value component was more difficult than a faulty one. One of my problems was that there is no parts layout diagram for the board, so even when I discovered a 4.; /archives//html/TenTec/2008-08/msg00334.html (9,030 bytes)
93. [TenTec] Hercules II fan noise (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Tue, 26 Aug 2008 11:33:40 +0100; I was trying to copy a weak CW signal yesterday, without headphones on, and noticed just how intrusive the sound of my Hercules II cooling fan is. I don't think it's any worse than when it was new -; /archives//html/TenTec/2008-08/msg00398.html (6,950 bytes)
94. Re: [TenTec] Hercules II fan noise (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Tue, 26 Aug 2008 13:46:23 +0100; If anyone cares to take a listen, I just made a recording of the fan noise; the MP3 file is at: http://www.karinya.net/g3txq/herc_fan.mp3 The first 10secs is with the Amp cold. 10 seconds into the re; /archives//html/TenTec/2008-08/msg00400.html (7,295 bytes)
95. Re: [TenTec] Hercules II fan noise (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Tue, 26 Aug 2008 15:16:11 +0100; Mike, Thanks for the input - I think I remember reading somewhere that the original Hercules was noisy. However, Bob Good advises that his Hercules II is quiet, and I just found a 1990 CQ report wher; /archives//html/TenTec/2008-08/msg00402.html (8,909 bytes)
96. Re: [TenTec] Hercules II fan noise (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Tue, 26 Aug 2008 22:53:57 +0100; Thanks, everyone for the useful suggestions on my noisy fan problem.. The consensus seems to be that this is NOT normal, so I now have several things to try. By the way, TT Service advises that the f; /archives//html/TenTec/2008-08/msg00406.html (7,987 bytes)
97. Re: [TenTec] Hercules II fan noise (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Wed, 27 Aug 2008 16:56:29 +0100; Today I did a few checks on the present fan. 1) I unbolted it from the under-tray and held it in place by hand. There was no reduction in noise, so I don't think resilient mountings will help. 2) I r; /archives//html/TenTec/2008-08/msg00419.html (9,184 bytes)
98. Re: [TenTec] Hercules II fan noise (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Thu, 28 Aug 2008 17:57:28 +0100; Well, the new fan came today - an Orion, would you believe. I soon had it fitted. Result - slightly noisier than the original one - oh dear! While checking everything over with the new fan I ran the; /archives//html/TenTec/2008-08/msg00436.html (9,716 bytes)
99. [TenTec] PTO rebuild (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Fri, 29 Aug 2008 21:00:39 +0100; Feeling pleased with myself! I rebuilt the PTO on the "new to me" bargain Corsair II this morning. It's quicker each time I do it, and this one is now silky smooth with no slipping. For anyone intere; /archives//html/TenTec/2008-08/msg00447.html (7,425 bytes)
100. Re: [TenTec] OmniVI+ 30M L.O. instability (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Sun, 31 Aug 2008 08:38:06 +0100; Jack, It's a few months since I had the same problem with my Omni VI on 160m. If I remember correctly I was able to unbolt the FM and Driver boards and flip them carefully to one side to get access t; /archives//html/TenTec/2008-08/msg00475.html (10,022 bytes)

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