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101. Re: [TenTec] FS Very clean 962 Power Supply (score: 1): Author: Joel Hallas <jrhallas@optonline.net>; Date: Tue, 17 Jul 2012 09:47:11 -0400; David, One caution. The OMNI V depends on the over-current protection in the 962 power supply to trip if you are driving into too high an SWR, or have other reason for high current. This generation o; /archives//html/TenTec/2012-07/msg00361.html (8,996 bytes)
102. Re: [TenTec] Boards with obsolete parts (score: 1): Author: Joel Hallas <jrhallas@optonline.net>; Date: Sun, 22 Jul 2012 07:46:33 -0400; I can't disagree with Barry in principle, however, a really great company that gives great service would, IMO, if an aftermarket redesigned PC board were available, either: 1. Resell them to customer; /archives//html/TenTec/2012-07/msg00461.html (10,468 bytes)
103. Re: [TenTec] OT: THHN Wire in Germany (score: 1): Author: Joel Hallas <jrhallas@optonline.net>; Date: Wed, 24 Apr 2013 13:05:22 -0400; FWIW, my experience indicates that solid wire is more likely to break from metal fatigue than stranded. Stranded also seems less likely to kink during installation -- death to wire under stress. In a; /archives//html/TenTec/2013-04/msg00296.html (14,750 bytes)
104. Re: [TenTec] OT: Lightening Protection for Openwire/Window Line (score: 1): Author: Joel Hallas <jrhallas@optonline.net>; Date: Tue, 30 Jul 2013 09:39:58 -0400; While knife switches have been popular over the years, the big ones with wide spacing are hard to find. My approach is to have a balanced arrestor at the entrance panel and then I have 3/4 inch space; /archives//html/TenTec/2013-07/msg00470.html (9,877 bytes)
105. Re: [TenTec] Ten Tec Equipment Sighting (score: 1): Author: Joel Hallas <jrhallas@optonline.net>; Date: Sun, 04 Aug 2013 19:44:46 -0400; You bet, along with a TT Centaur amp on the other side of the K3. There was once a Paragon in the middle, and a Corsair before that, but that's a long story! Regards, Joel Hallas, W1ZR Westport, CT H; /archives//html/TenTec/2013-08/msg00082.html (7,631 bytes)
106. Re: [TenTec] Ten Tec Equipment Sighting (score: 1): Author: Joel Hallas <jrhallas@optonline.net>; Date: Mon, 05 Aug 2013 09:24:55 -0400; Thanks much, and I hope you find the book helpful! BTW, a picture of the all TT station (before the K3) is on QRZ. Regards, Joel R. Hallas, W1ZR Westport, CT Sniff... sniff... Just beautiful ! Sniff.; /archives//html/TenTec/2013-08/msg00085.html (8,459 bytes)
107. Re: [TenTec] Wet ladderline -- Comments on QST report (score: 1): Author: Joel Hallas <jrhallas@optonline.net>; Date: Fri, 09 Aug 2013 08:55:00 -0400; Steve, Very nice report, indeed. For purposes of comparison to the 100 foot length Bob and I used, I would remind folks to multiply your attenuation by 1.7. The results seem quite close. One quibble; /archives//html/TenTec/2013-08/msg00139.html (10,541 bytes)
108. Re: [TenTec] Wet ladderline (score: 1): Author: Joel Hallas <jrhallas@optonline.net>; Date: Tue, 13 Aug 2013 22:14:35 -0400; Bob, Good observations, and I have also seen European HF broadcast curtain arrays using our friends, the open wire line. It works as well today as it did in 1930. The key thing about such line is tha; /archives//html/TenTec/2013-08/msg00208.html (12,950 bytes)
109. Re: [TenTec] Using Non-TT Supply (score: 1): Author: Joel Hallas <jrhallas@optonline.net>; Date: Wed, 28 Aug 2013 14:55:03 -0400; For those early radios, TT offered an "AirPax" fast acting magnetic circuit breaker for mobile users or others who didn't use the TT current limited supply. These are available from the usual vendors; /archives//html/TenTec/2013-08/msg00334.html (14,805 bytes)
110. Re: [TenTec] PTO lube shelf life... (score: 1): Author: Joel Hallas <jrhallas@optonline.net>; Date: Sun, 01 Sep 2013 11:07:28 -0400; In my experience, SuperLube is a great product. I have never rebuilt a PTO, but have used it on sailboat winch bearings with great success. It used to be available from boat supply stores, but lately; /archives//html/TenTec/2013-09/msg00002.html (12,326 bytes)
111. Re: [TenTec] Preselector (score: 1): Author: Joel Hallas <jrhallas@optonline.net>; Date: Tue, 22 Oct 2013 18:02:40 -0400; Hey Rick, You didn't mention the Yaesu VRF/MTU preselector. Any sense on how they stack up? Regards, Joel Hallas, W1ZR Westport, CT Seems you didn't get much response on that. Doesn't matter, most re; /archives//html/TenTec/2013-10/msg00389.html (13,121 bytes)
112. Re: [TenTec] Ten Tec 238 coupler and 160 meters (score: 1): Author: Joel Hallas <jrhallas@optonline.net>; Date: Sat, 09 Nov 2013 17:37:44 -0500; This is an interesting point, and Steve has recently made a believer out of me! The primary transmission loss component at HF, and even more at MF, is IR loss. With high SWR on the high-impedance sid; /archives//html/TenTec/2013-11/msg00110.html (13,310 bytes)
113. Re: [TenTec] Paragon Band Coverage (score: 1): Author: Joel Hallas <jrhallas@optonline.net>; Date: Wed, 05 Mar 2014 14:09:12 -0500; My previous rig was a Paragon, and it covered all the WARC bands just fine. Great radio, except near in dynamic range not on par with the OMNIs or current rigs -- otherwise delightful as long as the; /archives//html/TenTec/2014-03/msg00068.html (8,267 bytes)
114. Re: [TenTec] Zepp? (score: 1): Author: Joel Hallas <jrhallas@optonline.net>; Date: Wed, 10 Sep 2014 10:45:56 -0400; Gents, This is an interesting antenna idea, and I did a quick EZNEC/TLW look on the 5 major HF bands. Unfortunately, the SWR ranges from a low of 5:1 (80 and 10 meters) to 11:1 on 40. 100 feet of RG-; /archives//html/TenTec/2014-09/msg00116.html (9,618 bytes)
115. Re: [TenTec] Zepp? (score: 1): Author: Joel Hallas <jrhallas@optonline.net>; Date: Wed, 10 Sep 2014 11:59:46 -0400; That's what I mean by "at the bottom," at the bottom of the feed line rather than at the top where the antenna is. The SWR is not improved, but the loss is reduced. Regards, Joel Hallas, W1ZR Westpor; /archives//html/TenTec/2014-09/msg00120.html (12,220 bytes)
116. [TenTec] Ten-Tec 411 Centaur for sale (score: 1): Author: Joel Hallas <jrhallas@optonline.net>; Date: Fri, 29 Apr 2016 09:13:13 -0400; Folks, I have for sale a very nice TT 411 Centaur 5-600 W linear amp that I purchased as reconditioned from TT some years back. It has the full break-in TT keying loop and is in full operating condx.; /archives//html/TenTec/2016-04/msg00275.html (7,721 bytes)
117. [TenTec] Ten-Tec items for sale (score: 1): Author: "Joel Hallas" <jrhallas@optonline.net>; Date: Fri, 13 Sep 2019 17:57:25 -0400; I have the following Ten-Tec items for sale: TT 238 -- Legal limit L-network HF/160 meter antenna tuner. I think this has the least loss of any measured at the ARRL Lab. Very good cosmetic and fully; /archives//html/TenTec/2019-09/msg00039.html (7,522 bytes)

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