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81. Re: [TenTec] OT (score: 1): Author: Bwana Bob <wb2vuf@gti.net>; Date: Sun, 01 Feb 2009 15:27:08 -0500; Well, part of the trick is to run at reduced power. 20-30W on SSB and even less on CW is adequate for survival communications. I typically run my Scout at 30W output and I can reliably work the New J; /archives//html/TenTec/2009-02/msg00015.html (10,553 bytes)
82. Re: [TenTec] OT (score: 1): Author: Bwana Bob <wb2vuf@gti.net>; Date: Sun, 01 Feb 2009 15:29:57 -0500; Ron: Thanks, I'll check out that battery. 7 lb is pretty light weight for 35 Ah. Yes, that would run my Scout for a long time. I could probably feed the battery directly with my 10W solar panel, thro; /archives//html/TenTec/2009-02/msg00016.html (9,353 bytes)
83. [TenTec] OT (score: 1): Author: "John" <brazos@rochester.rr.com>; Date: Sat, 7 Feb 2009 17:55:37 -0500; I have a Orion II and am Thinking of getting the Heil Classic . Does anyone have this combination who would like to let me know if the two work together or not . And what is the difference between th; /archives//html/TenTec/2009-02/msg00150.html (6,978 bytes)
84. [TenTec] OT (score: 1): Author: "John Molenda" <brazos@rochester.rr.com>; Date: Wed, 26 Aug 2009 21:26:19 -0400; Where is the place to go to get small meter lights ? I have a nye viking mb va with a light in the meter out ? thanks John kb2huk _______________________________________________ TenTec mailing list T; /archives//html/TenTec/2009-08/msg00210.html (6,934 bytes)
85. Re: [TenTec] OT (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>; Date: Wed, 26 Aug 2009 20:06:01 -0600; Mouser, Digi-Key, Grainger, McMaster-Carr and Radio Shack also has a few. What lamp is needed? 73, Jerry, K0CQ _______________________________________________ TenTec mailing list TenTec@contesting.co; /archives//html/TenTec/2009-08/msg00212.html (7,120 bytes)
86. Re: [TenTec] OT (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>; Date: Thu, 27 Aug 2009 11:11:21 -0600; Its rather critical to know what lamp is needed. There are at least a thousand possibilities in miniature lamps. The Nye Viking MV VA manual on BAMA doesn't admit there even IS a meter lamp. That tun; /archives//html/TenTec/2009-08/msg00213.html (8,079 bytes)
87. [TenTec] OT (score: 1): Author: John Molenda <cdistflatfoot@gmail.com>; Date: Wed, 17 Nov 2010 00:30:27 -0500; Does anyone have the dimensions for a air-core choke balun to be use for 160 - 40 mtrs . thanks John kb2huk _______________________________________________ TenTec mailing list TenTec@contesting.com h; /archives//html/TenTec/2010-11/msg00221.html (6,389 bytes)
88. Re: [TenTec] OT (score: 1): Author: Barry N1EU <barry.n1eu@gmail.com>; Date: Wed, 17 Nov 2010 11:45:31 +0000; Good info at http://www.k1ttt.net/technote/airbalun.html For 160M, the recommendation I've seen on the topband reflector is to use 50ft length of coax in the balun. 73, Barry N1EU ___________________; /archives//html/TenTec/2010-11/msg00222.html (7,274 bytes)
89. Re: [TenTec] OT (score: 1): Author: Jim Brown <k9yc@audiosystemsgroup.com>; Date: Wed, 17 Nov 2010 14:10:04 -0800; K1TTT is a great engineer, and there's a lot of great stuff on his website. BUT -- that is terrible advice. A coil of coax without a ferrite core makes a LOUSY choke. Study my RFI tutorial to underst; /archives//html/TenTec/2010-11/msg00240.html (7,497 bytes)
90. Re: [TenTec] OT (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Thu, 18 Nov 2010 08:41:52 +0000; John, It's very difficult to get decent common-mode impedance across a 4:1 frequency band with an air-cored choke - they are too "High-Q". A further problem caused by their high Q is that their imped; /archives//html/TenTec/2010-11/msg00243.html (8,214 bytes)
91. Re: [TenTec] OT (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Thu, 18 Nov 2010 12:21:43 -0600; I once wound 100' of 213 on a small plastic garbage can 1.5 feet diameter and used it as a c.m. choke on 160. I calculated the Xl was over 2000 ohms (I don't remember the exact figure) and the diamet; /archives//html/TenTec/2010-11/msg00248.html (7,895 bytes)
92. Re: [TenTec] OT (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Thu, 18 Nov 2010 22:23:55 +0000; Rob, Why use 100ft of coax on a 1.5ft diameter form, when 3ft or so of coax on a ferrite core would give you much higher CM impedance than that; and better still, it would be Resistive rather than Re; /archives//html/TenTec/2010-11/msg00253.html (8,170 bytes)
93. Re: [TenTec] OT (score: 1): Author: Jim Brown <k9yc@audiosystemsgroup.com>; Date: Thu, 18 Nov 2010 15:16:37 -0800; Study what Steve and I have written independently about this. His on the link he posted recently, and mine in my RFI tutorial. There is no question that a high resistive impedance is a far better sol; /archives//html/TenTec/2010-11/msg00255.html (8,106 bytes)
94. Re: [TenTec] OT (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Thu, 18 Nov 2010 22:10:38 -0600; It certainly is true that the ferrite core c.m. chokes have much more pure resistance and are useful over a very wide range of frequencies compared to a large coil of coaxial cable (a.k.a. air core c; /archives//html/TenTec/2010-11/msg00257.html (8,475 bytes)
95. Re: [TenTec] OT (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Fri, 19 Nov 2010 11:30:06 +0000; A Resistive choke will *always* reduce CM currents; a Reactive choke may not. Here's an extract from an EMC handbook: "For high frequency applications, ferrites should be viewed as frequency dependen; /archives//html/TenTec/2010-11/msg00258.html (10,115 bytes)
96. Re: [TenTec] OT (score: 1): Author: Jim Brown <k9yc@audiosystemsgroup.com>; Date: Fri, 19 Nov 2010 11:04:21 -0800; Exactly right. Jim K9YC _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listinfo/tentec; /archives//html/TenTec/2010-11/msg00264.html (8,531 bytes)
97. Re: [TenTec] OT (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Fri, 19 Nov 2010 20:56:58 -0600; Steve, I'm not sure why you want to keep beating on a point no one is in disagreement with you over but okay, whatever. <A Resistive choke will *always* reduce CM currents; a Reactive choke may <<<*I; /archives//html/TenTec/2010-11/msg00274.html (8,741 bytes)
98. Re: [TenTec] OT (score: 1): Author: Steve Hunt <steve@karinya.net>; Date: Sat, 20 Nov 2010 08:44:54 +0000; Rob, No, it doesn't annoy me; and I apologise if I have given offence by pressing the point too much. It's just that I find a disappointing lack of understanding within the ham community about the pr; /archives//html/TenTec/2010-11/msg00275.html (8,632 bytes)
99. Re: [TenTec] OT (score: 1): Author: Jim Brown <k9yc@audiosystemsgroup.com>; Date: Sat, 20 Nov 2010 09:26:59 -0800; I'm sorry to offend you, Rob, the the supposed effectiveness of a coil of coax as a feedline choke is another of those myths that, although based on a grain of truth, and although still preached in A; /archives//html/TenTec/2010-11/msg00276.html (8,525 bytes)
100. Re: [TenTec] OT (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Mon, 22 Nov 2010 18:42:02 -0600; JIm, take a look at the information in this source: http://www.w8ji.com/balun_test.htm You will see what we all agree on, that the solenoid choke has almost non-existent pure resistance except on cer; /archives//html/TenTec/2010-11/msg00343.html (8,754 bytes)

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