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21. Re: [TenTec] ant (score: 1): Author: "Rick - NJ0IP / DJ0IP" <Rick@DJ0IP.de>; Date: Fri, 14 Jan 2011 14:05:31 -0500; These are not as good today as their reputation was 40 years ago. The reason is, we've got more bands to match today, and our transceivers demand darn near 50 Ohms. The models were 275w and 1KW. I ha; /archives//html/TenTec/2011-01/msg00356.html (11,743 bytes)
22. Re: [TenTec] ant (score: 1): Author: Jim Brown <k9yc@audiosystemsgroup.com>; Date: Fri, 14 Jan 2011 11:25:30 -0800; The best tuners I know of are the Ten Tec 229/238 (essentially the same tuners, different appearance to match different vintages of Omni rigs). Yes, it uses a balun to couple to balanced line. So wha; /archives//html/TenTec/2011-01/msg00357.html (8,900 bytes)
23. Re: [TenTec] ant (score: 1): Author: d.e.warnick@comcast.net; Date: Fri, 14 Jan 2011 20:00:00 +0000 (UTC); If you want balanced only, the Palstar BT1500A works great for me. Yes, there is a balun, but it's at the input where it belongs. Yep, they're expensive. $400 to $500 used, but very solid units Dave; /archives//html/TenTec/2011-01/msg00358.html (11,660 bytes)
24. Re: [TenTec] ant (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>; Date: Fri, 14 Jan 2011 13:27:21 -0600; There is much contention or discussion about baluns where the voltage balun forces balance to local earth, and the current balun lets the antenna and feed line pick the balance point. So far since I; /archives//html/TenTec/2011-01/msg00360.html (12,404 bytes)
25. Re: [TenTec] ant (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>; Date: Fri, 14 Jan 2011 13:52:57 -0600; I only remember the stuff that melted when overworked. Or soldered too close to. One can't expect to work a plastic supported coil at incandescent wire temperatures and have the wires stay in place t; /archives//html/TenTec/2011-01/msg00361.html (11,418 bytes)
26. Re: [TenTec] ant (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>; Date: Fri, 14 Jan 2011 13:55:54 -0600; I don't recall significant differences between Airdux and B&W other than the color of the box. I still have some of both. And they were made by melting a hot wire into the plastic, most likely NOT ny; /archives//html/TenTec/2011-01/msg00362.html (9,599 bytes)
27. Re: [TenTec] ant (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>; Date: Fri, 14 Jan 2011 14:05:24 -0600; My first "Johnson Matchbox" was not made by E.F. Johnson, it was made by G. N. Johnson, that is ME. It will match most anything from a short to an open and I've used it to test twinlead that way. Wer; /archives//html/TenTec/2011-01/msg00363.html (10,513 bytes)
28. Re: [TenTec] ant (score: 1): Author: "Rick - NJ0IP / DJ0IP" <Rick@DJ0IP.de>; Date: Fri, 14 Jan 2011 15:30:43 -0500; The big problem now days Jerry is that most of them you find at the flea market look "fair" on the outside, but if you open them, you close them real quick and walk away. I've seen lots of melted coi; /archives//html/TenTec/2011-01/msg00364.html (11,718 bytes)
29. Re: [TenTec] ant (score: 1): Author: "Michael Tortorella" <w2iy@verizon.net>; Date: Fri, 14 Jan 2011 15:34:48 -0500; I have searched the www for the Cebik article about the Annecke tuner without success. Can someone please post a link? Thanks and 73 Mike W2IY demand darn near 50 Ohms. matching range. antennas. anyt; /archives//html/TenTec/2011-01/msg00365.html (11,034 bytes)
30. Re: [TenTec] ant (score: 1): Author: Dave Heil <k8mn@frontiernet.net>; Date: Fri, 14 Jan 2011 20:45:08 +0000; It is indeed polystyrene by both B&W and Airdux. Back back in the days when electronic distributors had outside salesman, I worked for Hughes-Peters in Cincinnati. We sold both lines. Dave Heil K8MN; /archives//html/TenTec/2011-01/msg00366.html (10,075 bytes)
31. Re: [TenTec] ant (score: 1): Author: Phil Sussman <psussman@pactor.com>; Date: Fri, 14 Jan 2011 15:41:05 -0500; I use the Nye-Viking MB-V-A which does well on matching most anything. It has a tri-filer balun internally and works 1.5KW 73 de Phil - N8PS -- http://lists.contesting.com/mailman/listinfo/tentec<htt; /archives//html/TenTec/2011-01/msg00367.html (13,187 bytes)
32. Re: [TenTec] ant (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>; Date: Fri, 14 Jan 2011 15:03:30 -0600; It only takes one basement flood to put the corrosion in and one try with a 600 watt amp to melt the coil. or running with no antenna connected and 100 watts is probably enough to melt the coil. They; /archives//html/TenTec/2011-01/msg00368.html (9,878 bytes)
33. [TenTec] ant (score: 1): Author: "ROD" <w3krq@dejazzd.com>; Date: Fri, 14 Jan 2011 16:07:36 -0500; I us 450 ohm ladder line to a 4to 1 balun then to my ten tec 238 tuner. the 315 ft 70ft up is a double zepp for 80m works great on 160 80 40 20 15 10m. _______________________________________________; /archives//html/TenTec/2011-01/msg00369.html (7,921 bytes)
34. Re: [TenTec] ant (score: 1): Author: Neal Laugman <neal.laugman@gmail.com>; Date: Fri, 14 Jan 2011 18:44:07 -0600; My bad - I did mean polystyrene, but I was under the impression the Airdux coil had a denser plastic. -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= ________________________; /archives//html/TenTec/2011-01/msg00380.html (10,330 bytes)
35. Re: [TenTec] ant (score: 1): Author: "Rick - NJ0IP / DJ0IP" <Rick@DJ0IP.de>; Date: Fri, 14 Jan 2011 20:08:11 -0500; Well guys, Jerry probably touched on the most important factor here. The doggone manufacturers somehow assumed we wanted everything smaller and smaller and so they compromised performance for size. I; /archives//html/TenTec/2011-01/msg00381.html (10,583 bytes)
36. Re: [TenTec] ant (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>; Date: Fri, 14 Jan 2011 19:52:21 -0600; In Germany that coil tubing was probably 6 or 8 mm diameter. Practically 1/4 or 5/16" diameter. I just checked a couple banana plugs and jacks. I get 0.145" as the smallest rigid diameter of the plug; /archives//html/TenTec/2011-01/msg00385.html (12,386 bytes)
37. Re: [TenTec] ant (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Fri, 14 Jan 2011 20:04:10 -0600; My experience has been the full opposite but not with the 275 w. model. I own two KW Matchboxes and use them with center fed 80 and 20 m. halfwave dipoles. I bought one on-line and the other at a ham; /archives//html/TenTec/2011-01/msg00387.html (11,371 bytes)
38. Re: [TenTec] ant (score: 1): Author: "Rick - NJ0IP / DJ0IP" <Rick@DJ0IP.de>; Date: Fri, 14 Jan 2011 22:00:25 -0500; OK, then you nailed it. It must have been 4mm. It was a tight fit and very robust. I once built a linear amp using this technique. If I were to describe it in detail, you guys would all laugh at me.; /archives//html/TenTec/2011-01/msg00388.html (13,430 bytes)
39. Re: [TenTec] ant (score: 1): Author: K2DP <k2dp@charter.net>; Date: Fri, 14 Jan 2011 22:14:47 -0500 (EST); HI Dave, How ya doin ' and HNY to you. Haven't heard you on in a while. Hope all is ok with you and the family. Still working for Boeing here. Am down in Atlanta visiting family for the week. 73, Dav; /archives//html/TenTec/2011-01/msg00389.html (9,652 bytes)
40. Re: [TenTec] ant (score: 1): Author: Dave Heil <k8mn@frontiernet.net>; Date: Sat, 15 Jan 2011 05:22:22 +0000; Dave, Nice to hear from you, I hope 2011 brings health, prosperity and peace to you. I've been mostly a 160, 80 and 40m denizen on CW, chasing countries on those bands. I had a broken amp for a spell; /archives//html/TenTec/2011-01/msg00391.html (10,124 bytes)

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