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Total 26 documents matching your query.

21. Re: [TowerTalk] Rotator Question (score: 1): Author: Robert Chudek - K0RC <k0rc@citlink.net>; Date: Sun, 22 May 2011 13:41:25 -0500; Please tell me what this #2-#4 wire is going to do that the Faraday shield effect of the tower legs around the rotor is not going to do? Or the metal of the rotor bell-housing itself? That pot is bur; /archives//html/Towertalk/2011-05/msg00376.html (9,290 bytes)
22. Re: [TowerTalk] Rotator Question (score: 1): Author: "Richard (Rick) Karlquist" <richard@karlquist.com>; Date: Sun, 22 May 2011 22:20:54 -0700; FWIW, I had to put a wire across my rotor because RF currents going though the bearings caused TVI. Rick N6RK _______________________________________________ _________________________________________; /archives//html/Towertalk/2011-05/msg00377.html (7,822 bytes)
23. Re: [TowerTalk] Rotator Question (score: 1): Author: "pfizenmayer" <pfizenmayer2@q.com>; Date: Sun, 22 May 2011 23:44:48 -0700; and on 160 I got all kinds of BC IMOD until I tied across top and bottom . Hank K7HP _______________________________________________ _______________________________________________ TowerTalk mailing; /archives//html/Towertalk/2011-05/msg00378.html (8,419 bytes)
24. Re: [TowerTalk] Rotator Question (score: 1): Author: Grant Saviers <grants2@pacbell.net>; Date: Mon, 23 May 2011 08:02:27 -0700; The TVI was most likely an arc or spark when the voltage exceeded the breakdown voltage of the oil film in the bearing. race - oil -ball -oil - race. So the rotator halves are insulated from each oth; /archives//html/Towertalk/2011-05/msg00379.html (10,205 bytes)
25. Re: [TowerTalk] Rotator Question (score: 1): Author: Robert Chudek - K0RC <k0rc@citlink.net>; Date: Tue, 24 May 2011 12:49:58 -0500; How is enough RF voltage (hundreds of volts) built up across the lubricant between the ball bearings and the race above/below? Both the top and the bottom of the rotor casing are at ground potential.; /archives//html/Towertalk/2011-05/msg00412.html (10,798 bytes)
26. Re: [TowerTalk] Rotator Question (score: 1): Author: "Gary Schafer" <garyschafer@comcast.net>; Date: Wed, 25 May 2011 22:18:09 -0400; Faraday shield with an antenna going into it, the mast. There is never a good ground between the mast and the tower as there is a rotating joint there. You may be able to measure a short with your oh; /archives//html/Towertalk/2011-05/msg00443.html (11,909 bytes)

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