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Total 3 documents matching your query.

1. Re: [TowerTalk] HamIV Rotor HUM (score: 1): Author: "Anthony W. DePrato" <wa4jqs@mikrotec.com>; Date: Sun, 13 Jan 2013 11:47:04 -0500; Well i started a strange problem on my 40 mt yagi rotor this week. push the brake release and i get ac hum in the ts 870. switched it to the ts 950sdx and does the same thing. thought it was the cap; /archives//html/Towertalk/2013-01/msg00156.html (9,359 bytes)
2. Re: [TowerTalk] HamIV Rotor HUM (score: 1): Author: Tony Brock-Fisher <barockteer@aol.com>; Date: Sun, 13 Jan 2013 12:13:19 -0500; I had the same problem with several Hy-Gain rotors here. The problem is a ground loop formed by the high current AC return line from the rotator, which can return either via the rotor cable, or via t; /archives//html/Towertalk/2013-01/msg00158.html (7,336 bytes)
3. Re: [TowerTalk] HamIV Rotor HUM (score: 1): Author: Missouri Guy <n0tt1@juno.com>; Date: Mon, 14 Jan 2013 00:25:27 +0000; I had the "hum" problem right after I switched from a quad to a beam antenna....nothing else was changed. I would hear it in the receiver regardless of band or mode. It is a ground loop. Right or wro; /archives//html/Towertalk/2013-01/msg00170.html (9,200 bytes)

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