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Total 13 documents matching your query.

1. [RFI] Help with Bad RFI. (score: 1): Author: Rick Scott <w7psk@yahoo.com>; Date: Fri, 14 Jan 2011 09:25:22 -0800 (PST); My Saga is a common one I think. But I need some expert help thus I joined the list. I had bad 24hr power line noise and the local power company after much prying came out and found 3 poles with issu; /archives//html/RFI/2011-01/msg00135.html (8,243 bytes)
2. Re: [RFI] Help with Bad RFI. (score: 1): Author: "Dave Harmon" <k6xyz@sbcglobal.net>; Date: Fri, 14 Jan 2011 11:41:45 -0600; Hi Rick..... I have one of these and it does the job. Highly recommended. http://www.eham.net/reviews/detail/6660 Dave Harmon K6XYZ[at]sbcglobal[dot]net Sperry, Ok. My Saga is a common one I think. B; /archives//html/RFI/2011-01/msg00136.html (8,725 bytes)
3. Re: [RFI] Help with Bad RFI. (score: 1): Author: "Gary Smith" <wa6fgi@sbcglobal.net>; Date: Fri, 14 Jan 2011 10:00:53 -0800; I bought the MFJ noise snuffer, it works. Local power company was impressed with it when I sniffed out a neighbor's warming blanket that was dong loud pops on 10 meters every two seconds. Neighbor wa; /archives//html/RFI/2011-01/msg00137.html (9,924 bytes)
4. Re: [RFI] Help with Bad RFI. (score: 1): Author: "Hare, Ed W1RFI" <w1rfi@arrl.org>; Date: Sat, 15 Jan 2011 05:55:00 -0500; Hi, Rick, Some power companies don't learn until they've been burned a few times. :-) But I agree, the nature of the noise doesn't sound like power line. In that case, the power company is not respon; /archives//html/RFI/2011-01/msg00140.html (10,570 bytes)
5. Re: [RFI] Help with Bad RFI. (score: 1): Author: Tom Thompson <tlthompson@qwest.net>; Date: Sat, 15 Jan 2011 08:50:02 -0700; Rick, The noise schedule of 12 hours on and 12 hours off may be ballast noise from a grow light. I have had several of these in my neighborhood. The on/off schedule is consistent with the growing sch; /archives//html/RFI/2011-01/msg00141.html (9,899 bytes)
6. Re: [RFI] Help with Bad RFI. (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Sat, 15 Jan 2011 09:33:25 -0800; Ed, Something that could be a quite useful resource is a library of sound files and spectral samples of noise produced by sources that have been solidly identified. This sounds like something that th; /archives//html/RFI/2011-01/msg00142.html (8,257 bytes)
7. Re: [RFI] Help with Bad RFI. (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Sat, 15 Jan 2011 09:42:25 -0800; Tom, As I understand it, noise is radiated by wiring on both sides of the ballasts, including the fixtures themselves (if, for example, they are typical linear fluorescent fixtures). You might consid; /archives//html/RFI/2011-01/msg00143.html (8,291 bytes)
8. Re: [RFI] Help with Bad RFI. (score: 1): Author: Tom Thompson <tlthompson@qwest.net>; Date: Sat, 15 Jan 2011 15:59:22 -0700; Jim, Getting access to the ballast has been problematic, but I constructed a noise source using a single MOSFET switching at 75 kHz. This generated plenty of noise in the 40 meter band where I was ha; /archives//html/RFI/2011-01/msg00145.html (11,538 bytes)
9. Re: [RFI] Help with Bad RFI. (score: 1): Author: "KD7JYK DM09" <kd7jyk@earthlink.net>; Date: Sat, 15 Jan 2011 17:08:35 -0800; This is something I've thought about doing myself many times. I can provide recordings from everything I have here that produces noise and provide make, model, serial number, et cetera. Kurt _______; /archives//html/RFI/2011-01/msg00146.html (8,039 bytes)
10. Re: [RFI] Help with Bad RFI. (score: 1): Author: "RFI Services' Michael Martin" <mike@rfiservices.com>; Date: Sat, 15 Jan 2011 21:30:50 -0500; Kind of like this but more? Use win media player and set it to bars and wave/scope. http://www.rfiservices.com/sound.htm Michael C. Martin RFI Services 6469 Old Solomons Island Rd Tracys Landing, MD; /archives//html/RFI/2011-01/msg00147.html (9,211 bytes)
11. Re: [RFI] Help with Bad RFI. (score: 1): Author: "Hare, Ed W1RFI" <w1rfi@arrl.org>; Date: Mon, 17 Jan 2011 08:52:52 -0500; The ARRL did have a sounds of RFI page that unfortunately didn't get ported to the new site. We have located a volunteer who is coming to HQ this week to get the page up and running again, so hang ti; /archives//html/RFI/2011-01/msg00149.html (9,431 bytes)
12. Re: [RFI] Help with Bad RFI. (score: 1): Author: "Hare, Ed W1RFI" <w1rfi@arrl.org>; Date: Mon, 17 Jan 2011 09:15:03 -0500; Hi, Jim, We had such a page for a couple of years on the old ARRL site, and I don't recall more than a single outside contribution to the sounds page. As my earlier post said, I hope to see that page; /archives//html/RFI/2011-01/msg00151.html (13,177 bytes)
13. Re: [RFI] Help with Bad RFI. (score: 1): Author: "Hare, Ed W1RFI" <w1rfi@arrl.org>; Date: Mon, 17 Jan 2011 09:26:53 -0500; At 700 feet away, it is very likely that these devices exceed the Class B conducted emissions limits. From what I am starting to see as reports trickle in is that either these grow-light ballasts mee; /archives//html/RFI/2011-01/msg00152.html (13,602 bytes)

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