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Total 12 documents matching your query.

1. Topband: Power Line Noise (long) (score: 1): Author: "Brad Anbro" <n9en@charter.net>; Date: Thu, 26 Nov 2009 10:43:38 -0800; Hello T-B'ers, I have power line noise at my QTH that is causing me a lot of grief on 160 meters. At 1.815 Mhz, the noise is a continuous S9, when the rig is in the AM mode. The noise is not as notic; /archives//html/Topband/2009-11/msg00410.html (9,378 bytes)
2. Re: Topband: Power Line Noise (long) (score: 1): Author: "Cliff Frescura" <cf@cfcorp.com>; Date: Thu, 26 Nov 2009 11:50:09 -0800; Hello T-B'ers, I have power line noise at my QTH that is causing me a lot of grief on 160 meters. At 1.815 Mhz, the noise is a continuous S9, when the rig is in the AM mode. The noise is not as notic; /archives//html/Topband/2009-11/msg00415.html (8,441 bytes)
3. Re: Topband: Power Line Noise (long) (score: 1): Author: Mike Waters W0BTU <mrscience65704@yahoo.com>; Date: Thu, 26 Nov 2009 12:48:54 -0800 (PST); [snip] Hello Brad, What I used to do to find noisy poles was tap them with a 7 pound hand sledge at about 5 or 6 feet up from the ground. If there was loose hardware, a portable AM radio tuned to a; /archives//html/Topband/2009-11/msg00418.html (7,989 bytes)
4. Re: Topband: Power Line Noise (long) (score: 1): Author: K4SAV <RadioIR@charter.net>; Date: Thu, 26 Nov 2009 14:42:15 -0600; I use one of these: http://www.arrl.org/qst/2006/04/hanson.pdf I did modify it and make some design improvements. If you decide to build it, I can send you info on what I did to it. Jerry, K4SAV ____; /archives//html/Topband/2009-11/msg00419.html (7,277 bytes)
5. Re: Topband: Power Line Noise (long) (score: 1): Author: Don Moman VE6JY <ve6jy.1@gmail.com>; Date: Thu, 26 Nov 2009 22:22:56 +0000; I know of two types of noise (there may be others) that typically generate low frequency noise and their sprectra into the VHF and UHF ranges are quite limited - a micro arc inside a transformer and; /archives//html/Topband/2009-11/msg00420.html (9,176 bytes)
6. Re: Topband: Power Line Noise (long) (score: 1): Author: Garry Shapiro <garry@ni6t.com>; Date: Thu, 26 Nov 2009 15:01:13 -0800; Brad, While there are many noise "profiles", the typical profile for arcing insulators on a power pole is that the noise will have a 120Hz buzz, and will have a spectrum that monotonically decreases; /archives//html/Topband/2009-11/msg00421.html (14,940 bytes)
7. Re: Topband: Power Line Noise (Long) (score: 1): Author: Robert Briggs <vk3zl@bigpond.com>; Date: Fri, 27 Nov 2009 10:26:45 +1100; Power line noise can be a real problem here sometimes living in the bush...I sometimes have a problem after a long dry spell then a foggy night...That really produces line noise with dusty insulators; /archives//html/Topband/2009-11/msg00422.html (8,898 bytes)
8. Re: Topband: Power Line Noise (long) (score: 1): Author: w2pm@aol.com; Date: Thu, 26 Nov 2009 18:29:51 -0500; Tapping the pole with anything isn't a good idea and really unnecessary. I just ended a 6 month issue here with TONS of help from ARRL HQ and there is a real long story here but bottom line it comes; /archives//html/Topband/2009-11/msg00423.html (11,586 bytes)
9. Re: Topband: Power Line Noise (long) (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Sat, 28 Nov 2009 14:58:24 +0000; Brad - You've gotten some good info here so far. I have similar problems here about every two years. My last one lasted over a year and I spent a lot of time arguing with the power company and also a; /archives//html/Topband/2009-11/msg00436.html (10,279 bytes)
10. Re: Topband: Power Line Noise (long) (score: 1): Author: "Bob Wendling" <bob_nw6n@msn.com>; Date: Mon, 30 Nov 2009 10:41:16 -0700; Years ago I had a noise on the Ja beverage that raised the noise abt 10 db over normal. Searched and searched about a 3 mile path with no results.. Built a small Yagi on a broomstick coupled to an av; /archives//html/Topband/2009-11/msg00444.html (8,704 bytes)
11. Re: Topband: Power Line Noise (long) (score: 1): Author: Julius Fazekas <phriendly1@yahoo.com>; Date: Tue, 1 Dec 2009 05:01:09 -0800 (PST); The best way to get help from the power Definitely agree with this, had a problem with a pole on our property, called with the pole number, explained what was going on and they were out and had it fi; /archives//html/Topband/2009-12/msg00003.html (7,601 bytes)
12. Re: Topband: Power Line Noise (long) (score: 1): Author: w2pm@aol.com; Date: Tue, 01 Dec 2009 21:55:23 -0500; This is true however, it should be interesting to see power company behavior going forward as the FCC has recently ruled costs for finding source interference must be borne by THEM! Pete W2PM The bes; /archives//html/Topband/2009-12/msg00008.html (8,286 bytes)

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