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Total 3 documents matching your query.

1. [RFI] A new RFI source (score: 1): Author: Wes Stewart via RFI <rfi@contesting.com>; Date: Thu, 20 Feb 2020 16:42:45 +0000 (UTC); Last night I noted a drifting birdie sweeping up and down the 160 meter band. To make a long story short, I recently installed one of these to archive some VHS tapes: https://www.amazon.com/HDML-Clo; /archives//html/RFI/2020-02/msg00099.html (7,078 bytes)
2. Re: [RFI] A new RFI source (score: 1): Author: Dan K2YWE <dan.k2ywe@gmail.com>; Date: Thu, 20 Feb 2020 12:03:12 -0500; I noticed this linear sweep EMI running through 80m two nights ago. A bit of research found it on 160 and on 40 as well. The signal is not clean and sounds like it has some FM on it as it runs throug; /archives//html/RFI/2020-02/msg00100.html (8,966 bytes)
3. Re: [RFI] A new RFI source (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Thu, 20 Feb 2020 09:39:03 -0800; Hi Dan, Traces like this are common to switch mode power supplies (SMPS) that are switched on. They are free-running, and frequency drift is their warmup. If the waterfall is opened up to show greate; /archives//html/RFI/2020-02/msg00101.html (9,865 bytes)

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