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Total 419 documents matching your query.

201. Re: [TenTec] 4cx800s - GU74b (score: 1)
Author: Duane Calvin <ac5aa1@gmail.com>
Date: Fri, 19 Dec 2008 22:41:15 -0600
Sure glad I bought a spare pair from Tom Hix before he shuffled off. 73, Duane Sent from my iPod Duane C. _______________________________________________ TenTec mailing list TenTec@contesting.com htt
/archives//html/TenTec/2008-12/msg00244.html (8,556 bytes)

202. Re: [TenTec] Repair history for Orion (score: 1)
Author: <ac5aa1@gmail.com>
Date: Tue, 23 Dec 2008 20:26:00 -0500
My somewhat RF-hot environment has caused no problems for my O1. I opened it up to do the Ver2 mod, but otherwise have had no problems. I think your experience is on the high side. 73, Duane AC5AA --
/archives//html/TenTec/2008-12/msg00301.html (9,160 bytes)

203. Re: [TenTec] The Titan IIII - 4cx800s (score: 1)
Author: <ac5aa1@gmail.com>
Date: Thu, 25 Dec 2008 18:39:00 -0500
We've heard it from the guy who would know - thanks Glenn! 73, Duane AC5AA --Original Message-- The 4CX800 tubes were manufactured by Svetlana in St. Petersburg for commercial sale, they have a prett
/archives//html/TenTec/2008-12/msg00310.html (8,929 bytes)

204. Re: [TenTec] not quite OT: outboard DSPs (score: 1)
Author: "Duane Calvin" <ac5aa1@gmail.com>
Date: Thu, 15 Jan 2009 20:38:51 -0600
Hi Mike, I've used both, and I liked the NIR-12 much better than the DSP, although it works also. The NIR uses two processors and two different algorithms for digital signal processing. One of them (
/archives//html/TenTec/2009-01/msg00159.html (9,119 bytes)

205. Re: [TenTec] Omni VI Mod 3 and RTTY (score: 1)
Author: "Duane Calvin" <ac5aa1@gmail.com>
Date: Mon, 26 Jan 2009 21:54:00 -0600
AFSK not only can provide a nice splatter generator (as Gary noted some folks will tell you), but it also can be susceptible to RF on the incoming AF transmit audio lines, depending on how you decoup
/archives//html/TenTec/2009-01/msg00345.html (15,599 bytes)

206. Re: [TenTec] OT (score: 1)
Author: "Duane Calvin" <ac5aa1@gmail.com>
Date: Thu, 29 Jan 2009 21:15:31 -0600
Heh - have you ever tried one? Let's just say most of us would struggle to power a QRP rig! 73, Duane Duane Calvin, AC5AA Austin, Texas www.ac5aa.com OT...... How come we don't see hand winding gener
/archives//html/TenTec/2009-01/msg00420.html (8,147 bytes)

207. Re: [TenTec] G5RV (score: 1)
Author: "Duane Calvin" <ac5aa1@gmail.com>
Date: Mon, 2 Feb 2009 20:57:57 -0600
So, you're saying his design does not scale to other bands, and no other manufacturer has built a scaled model and sold it as a G5RV-type design then? Wonder what band Yagi-san built his original, we
/archives//html/TenTec/2009-02/msg00056.html (12,263 bytes)

208. Re: [TenTec] logikey (score: 1)
Author: "Duane Calvin" <ac5aa1@gmail.com>
Date: Mon, 2 Feb 2009 23:01:11 -0600
I'm using the K5 with the Orion - works great. I love the Logikey's - the most "forgiving" and easy to use keyer made. I have a K1, K3, and the K5. Like 'em all. 73, Duane Duane Calvin, AC5AA Austin,
/archives//html/TenTec/2009-02/msg00059.html (7,921 bytes)

209. Re: [TenTec] G5RV (score: 1)
Author: "Duane Calvin" <ac5aa1@gmail.com>
Date: Tue, 3 Feb 2009 17:16:14 -0600
Hi Ron - yes, I know - I have a 40m (half sized) version mounted way too low over my house which I use for many bands with fair success. I was trying to understand the position being taken that there
/archives//html/TenTec/2009-02/msg00071.html (13,966 bytes)

210. Re: [TenTec] Ig drift on amps (score: 1)
Author: "Duane Calvin" <ac5aa1@gmail.com>
Date: Sat, 7 Feb 2009 16:09:07 -0600
Yes, Ron, I've experienced the same symptoms in my 238B which I have not opened it up to diagnose yet. As I recall, it happens most often on 160m and maybe 80m, but I can't swear to that. It happens
/archives//html/TenTec/2009-02/msg00147.html (10,355 bytes)

211. Re: [TenTec] Open sourcing again (score: 1)
Author: "Duane Calvin" <ac5aa1@gmail.com>
Date: Wed, 25 Feb 2009 17:40:32 -0600
Interesting - wasn't it three or four years ago Elecraft showed off the amp? Does that mean they'll actually be selling it this time? 73, Duane Duane Calvin, AC5AA Austin, Texas www.ac5aa.com --Origi
/archives//html/TenTec/2009-02/msg00380.html (8,925 bytes)

212. Re: [TenTec] NEW Orion II/2.041XL Bug? (red screen) (score: 1)
Author: "Duane Calvin" <ac5aa1@gmail.com>
Date: Mon, 9 Mar 2009 20:19:10 -0500
You must be reading something into his description of the symptoms that I didn't see. 73, Duane Duane Calvin, AC5AA Austin, Texas www.ac5aa.com Oops. This could be bad for FCC certification! Just my
/archives//html/TenTec/2009-03/msg00228.html (12,316 bytes)

213. Re: [TenTec] Orion2 auto tuner (score: 1)
Author: "Duane Calvin" <ac5aa1@gmail.com>
Date: Thu, 12 Mar 2009 17:08:25 -0500
On the Orion I, and I assume it's the same on the II, the "Tuned" indicator only stays on if the tuner can successfully bring the SWR below about 2:1. If it cannot, the "tuned" line is turned off. 73
/archives//html/TenTec/2009-03/msg00251.html (8,605 bytes)

214. Re: [TenTec] Orion2 auto tuner (score: 1)
Author: "Duane Calvin" <ac5aa1@gmail.com>
Date: Thu, 12 Mar 2009 17:44:41 -0500
You said: "no matter what the SWR is" . . . If the SWR is 4:1, the tuner will not have found a tuned condition, and the "tuned" indicator will not go on, and the tuner will be disengaged. I don't rec
/archives//html/TenTec/2009-03/msg00253.html (8,415 bytes)

215. Re: [TenTec] Orion2 auto tuner (score: 1)
Author: "Duane Calvin" <ac5aa1@gmail.com>
Date: Thu, 12 Mar 2009 22:32:49 -0500
That is not how my Orion I works - if it cannot find an acceptable SWR (I don't know what the value is set for) it will end it's tuning sequence and the "tuned" indication will NOT be turned on. I wi
/archives//html/TenTec/2009-03/msg00261.html (11,601 bytes)

216. Re: [TenTec] Omni VI / + (score: 1)
Author: "Duane Calvin" <ac5aa1@gmail.com>
Date: Sun, 5 Apr 2009 13:29:13 -0500
That's very interesting. When I moved from my IC-765 to an Omni VI+ I was blown away by how smooth, quiet and easy the audio was to listen to, especially with the filters engaged. My ICOM was well kn
/archives//html/TenTec/2009-04/msg00094.html (8,754 bytes)

217. Re: [TenTec] OT: cleaners, etc (score: 1)
Author: "Duane Calvin" <ac5aa1@gmail.com>
Date: Wed, 29 Apr 2009 21:29:34 -0500
But before you make the new connections, use Scotch-Brite or a steel wire brush to burnish the oxide off the aluminum and IMMEDIATELY coat it with AlumiNOx or whatever the equivalent aluminum oxidati
/archives//html/TenTec/2009-04/msg00374.html (8,442 bytes)

218. Re: [TenTec] OT: cleaners, etc (score: 1)
Author: "Duane Calvin" <ac5aa1@gmail.com>
Date: Thu, 30 Apr 2009 17:17:02 -0500
One small correction - steel wool is not recommended because it will leave small particles of the steel wool on the aluminum, and embedded in it. Wire brush or Scotchbrite are the best choices. 73, D
/archives//html/TenTec/2009-04/msg00384.html (11,926 bytes)

219. Re: [TenTec] OT: cleaners, etc (score: 1)
Author: "Duane Calvin" <ac5aa1@gmail.com>
Date: Thu, 30 Apr 2009 21:55:08 -0500
Not to keep dragging this out forever, but, used to be, the greases came in petroleum-based and synthetic-based. For obvious reasons, the synthetics are better - if there is a choice, select them. Al
/archives//html/TenTec/2009-04/msg00389.html (12,718 bytes)

220. Re: [TenTec] New Ten Tec item for $795 (score: 1)
Author: Duane Calvin <ac5aa1@gmail.com>
Date: Fri, 15 May 2009 16:43:58 -0500
The 238c has been redesigned to include a new capacitor, sampling board, and a cross-needle power/SWR meter. The turns counter also looks more substantial. FWIW... 73, Duane Sent from my iPod at Dayt
/archives//html/TenTec/2009-05/msg00112.html (8,628 bytes)

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