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1. [RFI] Other Noise Challenge For Ed! (score: 1): Author: Joe Wolfe <w7rkn.7@gmail.com>; Date: Mon, 27 Jul 2015 18:09:57 -0700; Ed, perhaps you can shed some sense to this. Up until 4 years ago, I had no noise to speak of...1 to 2 s units, tops. Then, one November day, I turned on the radio to 40 meters (7.205), at noon, and; /archives//html/RFI/2015-07/msg00097.html (7,828 bytes)
2. Re: [RFI] Other Noise Challenge For Ed! (score: 1): Author: David Cole <dave@nk7z.net>; Date: Mon, 27 Jul 2015 19:13:33 -0700; Joe, A few years ago, I had a RFI source from an area with underground utilities. I located a source by driving to each underground transformer and taking a reading at 7 MHz, using a short antenna an; /archives//html/RFI/2015-07/msg00099.html (10,566 bytes)
3. Re: [RFI] Other Noise Challenge For Ed! (score: 1): Author: "Hare, Ed W1RFI" <w1rfi@arrl.org>; Date: Tue, 28 Jul 2015 17:57:02 +0000; I'd love to see that graph, or the measured data, if you still have it. It may be useful on RFI web pages or publications. Joe, A few years ago, I had a RFI source from an area with underground utili; /archives//html/RFI/2015-07/msg00102.html (12,125 bytes)
4. Re: [RFI] Other Noise Challenge For Ed! (score: 1): Author: David Cole <dave@nk7z.net>; Date: Tue, 28 Jul 2015 11:06:59 -0700; Hi Ed, Sorry, but I no longer have it... It was ugly and hand drawn contour lines... I now use Google Maps and GIMP to draw things... They look much better that way! If you want, I can send you, (not; /archives//html/RFI/2015-07/msg00103.html (13,600 bytes)
5. Re: [RFI] Other Noise Challenge For Ed! (score: 1): Author: "Frank N. Haas KB4T" <utility.rfi.pro@gmail.com>; Date: Wed, 29 Jul 2015 11:44:25 -0400; I am not an engineer. I do have many years of successful DFing experience locating a wide variety of interference sources. The method David used to locate his 7 MHz source in an area supplied by unde; /archives//html/RFI/2015-07/msg00109.html (18,180 bytes)
6. Re: [RFI] Other Noise Challenge For Ed! (score: 1): Author: David Cole <dave@nk7z.net>; Date: Wed, 29 Jul 2015 09:05:03 -0700; Frank, Could you supply some data of what you use, and how you use it? I know it would help me to see what someone with more experience does, and uses. -- Thanks and 73's, For equipment, and software; /archives//html/RFI/2015-07/msg00110.html (22,128 bytes)

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