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1. [RFI] Visualizing Line Noise (score: 1): Author: N4ZR <n4zr@comcast.net>; Date: Tue, 12 Dec 2017 22:28:06 -0500; I recently ran across a neat little program called Soundcard Scope, which displays 0-20,000 Hz either oscilloscope style or as a vertical bar chart by the amount of energy on a given frequency. It se; /archives//html/RFI/2017-12/msg00043.html (6,808 bytes)
2. Re: [RFI] Visualizing Line Noise (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Tue, 12 Dec 2017 21:55:45 -0800; Pete, My tutorial on identifying RFI shows that a spectrum scope with a waterfall display is probably the most effective tool for that. If you haven't taken the time to study it, I suggest that you d; /archives//html/RFI/2017-12/msg00044.html (7,464 bytes)
3. Re: [RFI] Visualizing Line Noise (score: 1): Author: JW via RFI <rfi@contesting.com>; Date: Wed, 13 Dec 2017 12:10:07 +0000 (UTC); Here is _clear_ identification of a line noise source indicated by its synchronization with the AC line as seen on an oscilloscope triggered by the local AC line. A single cycle of 60 Hz line is also; /archives//html/RFI/2017-12/msg00046.html (9,835 bytes)
4. Re: [RFI] Visualizing Line Noise (score: 1): Author: JW via RFI <rfi@contesting.com>; Date: Wed, 13 Dec 2017 12:26:52 +0000 (UTC); Oops ... my bad .. The 'missing link' as it were: https://www.youtube.com/watch?v=C-S5ef-Ne6Y de Jim From: JW via RFI <rfi@contesting.com> To: "jim@audiosystemsgroup.com" <jim@audiosystemsgroup.com>; /archives//html/RFI/2017-12/msg00048.html (10,634 bytes)
5. Re: [RFI] Visualizing Line Noise (score: 1): Author: JW via RFI <rfi@contesting.com>; Date: Wed, 13 Dec 2017 12:46:08 +0000 (UTC); Oops ... my bad .. The 'missing link' as it were: https://www.youtube.com/watch?v=C-S5ef-Ne6Y de Jim From: JW via RFI <rfi@contesting.com> To: "jim@audiosystemsgroup.com" <jim@audiosystemsgroup.com>; /archives//html/RFI/2017-12/msg00049.html (10,201 bytes)
6. Re: [RFI] Visualizing Line Noise (score: 1): Author: Don Kirk <wd8dsb@gmail.com>; Date: Wed, 13 Dec 2017 08:07:58 -0500; Hi Pete, I use many different tools for identifying/tracking down interference, and Soundcard Scope is a tool I sometimes turn to early on to look at broadband interference I'm experiencing to see if; /archives//html/RFI/2017-12/msg00050.html (9,513 bytes)
7. Re: [RFI] Visualizing Line Noise (score: 1): Author: "Dave Cole (NK7Z)" <dave@nk7z.net>; Date: Wed, 13 Dec 2017 05:57:25 -0800; See: http://nk7z.net/sdr-rfi-survey-p1/ for a way to get a feel for your entire RFI environment at once. 73s and thanks, Dave NK7Z http://www.nk7z.net On 12/12/2017 07:28 PM, N4ZR wrote: I recently r; /archives//html/RFI/2017-12/msg00051.html (7,986 bytes)
8. Re: [RFI] Visualizing Line Noise (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Wed, 13 Dec 2017 10:54:57 -0800; You could see how by studying the link. 73, Jim K9YC _______________________________________________ RFI mailing list RFI@contesting.com http://lists.contesting.com/mailman/listinfo/rfi; /archives//html/RFI/2017-12/msg00052.html (8,080 bytes)

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