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361. Re: [TenTec] G5RV (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Sun, 01 Feb 2009 21:38:17 +0000; Frank, The length is irrelevant - 100 ft or 100 metres, with that load impedance the Wireman 551 ladderline is lossier than the RG213 - that was my point. Steve; /archives//html/TenTec/2009-02/msg00024.html (9,315 bytes)
362. Re: [TenTec] G5RV (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Sun, 01 Feb 2009 23:03:59 +0000; Jerry, Then if those formulas fall down with the particular values I gave, they are approximations. Look at it this way: at HF the losses in feedlines are predominantly I^2R losses - the higher the c; /archives//html/TenTec/2009-02/msg00029.html (10,972 bytes)
363. Re: [TenTec] G5RV (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Sun, 01 Feb 2009 23:11:11 +0000; Jerry, A picture paints a thousand words - take a look at Figure 9 here: http://www.vk1od.net/VSWR/displacement.htm it shows what I was trying to describe. Notice how unmatched loss (the red line) is; /archives//html/TenTec/2009-02/msg00030.html (9,220 bytes)
364. Re: [TenTec] G5RV (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Sat, 31 Jan 2009 19:17:33 +0000; Stuart - I thought 15m was one of the better bands for impedance on the G5RV. On my modelling it produces a VSWR of <3:1 on 15m - that's low by G5RV standards! 73, Steve G3TXQ Doug N0HH Something I h; /archives//html/TenTec/2009-01/msg00476.html (8,422 bytes)
365. Re: [TenTec] Omni V problem, need help (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Sat, 08 Nov 2008 10:51:05 +0000; Gil, Have you checked the setting of the PassBand Tuning - that would be an obvious reason for USB and LSB to sound different. I find on my Omni VI the correct tuning doesn't quite correspond to the; /archives//html/TenTec/2008-11/msg00091.html (8,022 bytes)
366. Re: [TenTec] (no subject) (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Mon, 10 Nov 2008 13:19:08 +0000; The matching model 9420 PSU, but I guess that doesn't help you much ! Steve G3TXQ Can anyone give me an idea what they are using for a power supply for the Hercule 2 amp thanks john KU3G; /archives//html/TenTec/2008-11/msg00102.html (7,964 bytes)
367. Re: [TenTec] (no subject) (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Mon, 10 Nov 2008 19:06:51 +0000; Jim, How did you finally configure the two PSUs - each one driving half the Hercules, or simply parallelled up ? Steve G3TXQ Because I use the amp for serious contesting. I'm being VERY conservative; /archives//html/TenTec/2008-11/msg00108.html (8,403 bytes)
368. Re: [TenTec] (no subject) (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Mon, 10 Nov 2008 22:28:36 +0000; Thanks Jim. Useful information in case my 9420 ever fails and I have to revert to something else :) 73, Steve G3TXQ; /archives//html/TenTec/2008-11/msg00110.html (7,965 bytes)
369. Re: [TenTec] OmniVI+ 30M L.O. instability (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Wed, 03 Sep 2008 13:32:04 +0100; Jack, That's interesting. My 160m problem only showed up when the ambient temperature in the shack was high! Whilst fault-finding I used "freeze it" spray, and a hair-drier, to try to invoke the symp; /archives//html/TenTec/2008-09/msg00019.html (10,387 bytes)
370. [TenTec] Omni VI frequency error (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Thu, 04 Sep 2008 15:54:50 +0100; I can't remember if I've raised this problem before; if I have, I apologise! My OmniVI frequency readout is consistently 130Hz high on all bands and all modes; in other words if I accurately tune in; /archives//html/TenTec/2008-09/msg00030.html (9,890 bytes)
371. Re: [TenTec] Omni VI frequency error - problem solved (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Fri, 05 Sep 2008 11:58:48 +0100; Thanks Lee and Rick for your suggestions. I solved the problem this morning - I hardly dare admit that it was mostly "technician error"! I decided to check the obvious, and measured the final 20m LO; /archives//html/TenTec/2008-09/msg00046.html (9,760 bytes)
372. Re: [TenTec] Omni VI frequency error - problem solved (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Fri, 05 Sep 2008 14:03:38 +0100; Marinus, Thanks for the suggestion, but unfortunately that method wont guarantee the separate accuracies of the Local oscillator and the BFO. For example, if the LO was out by 100Hz and the BFO was a; /archives//html/TenTec/2008-09/msg00049.html (8,565 bytes)
373. Re: [TenTec] Omni VI frequency error - problem solved (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Fri, 05 Sep 2008 14:06:54 +0100; By the way, whilst I was looking at the frequency error problem and the Omni VI was opened up, I took the opportunity to check the Xtal Oscillator adjustments using the PLL pulse width method posted; /archives//html/TenTec/2008-09/msg00050.html (8,419 bytes)
374. Re: [TenTec] Omni VI frequency error - problem solved (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Fri, 05 Sep 2008 20:52:31 +0100; Jerry, Thanks for the info. I made final adjustments this afternoon by fishing out an old GC receiver and using it to receive WWV on 10MHz. I held a piece of wire onto the Omni TCXO divide-by-two chi; /archives//html/TenTec/2008-09/msg00055.html (12,154 bytes)
375. [TenTec] Omni VI Xtal Oscillator PLL observation (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Sat, 06 Sep 2008 11:58:40 +0100; I set up my Omni VI Xtal Oscillator frequencies yesterday using a TT Service recommended method posted on the list a few months ago. It involves monitoring the LD (Lock Detect) pin on the MC145107 PL; /archives//html/TenTec/2008-09/msg00067.html (8,023 bytes)
376. Re: [TenTec] Omni VI Xtal Oscillator PLL observation (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Sat, 06 Sep 2008 12:52:45 +0100; I think I just answered my own question. All the Xtal Oscillator frequencies are multiples of 50KHz, apart from on 30m where it is about 24,501.8KHz. I guess TT introduced the 1.8KHz offset so that t; /archives//html/TenTec/2008-09/msg00068.html (9,109 bytes)
377. Re: [TenTec] Omni VI Xtal Oscillator PLL observation (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Sat, 06 Sep 2008 17:46:15 +0100; Dan, I don't know the Omni V's mixing arrangement, but I'd be surprised if it was much different from Omni VI. By the way, I worked out that on 30m the 10MHz reference is divided by 291 in the PLL ch; /archives//html/TenTec/2008-09/msg00070.html (8,836 bytes)
378. [TenTec] PTO adjustment (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Fri, 12 Sep 2008 16:50:31 +0100; Over the past 12 months I've completed 3 PTO rebuilds on my Corsairs and remote VFO. In all cases I ended up putting 3 washers under the lugs of the rear plastic retaining cap to get the sort of "fee; /archives//html/TenTec/2008-09/msg00159.html (8,750 bytes)
379. Re: [TenTec] PTO adjustment (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Sat, 13 Sep 2008 09:31:28 +0100; Stuart & Aaron, Thanks for your suggestions. I certainly didn't check the 'pistol' for straightness while the PTO was disassembled, but there is no eccentricity evident when the tuning knob is rotate; /archives//html/TenTec/2008-09/msg00166.html (8,500 bytes)
380. [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 (7,973 bytes)

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