[RFI] noise source clues - anyone know what these are?

Dave Cole (NK7Z) dave at nk7z.net
Sun Jan 27 13:52:20 EST 2019


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73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
Award Manager, 30MDG Grid Contest
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 1/27/19 10:47 AM, bill K7WXW wrote:
> I continue to collect data in my search for RFI sources. The two 
> screenshots, with detail 3 and detail 4, were taken with the house power 
> turned off, from an RSP2 connected to a dell laptop running on battery 
> power. I am particularly interested in these signals:
> 
> In "detail 3"... the signals near 3.310MHz and the wide, repetitive 
> signal after 3.348MHz.
> 
> In "detail 4"... the signals near 3.565 and 3.595MHz and the wide, 
> repetitive signal between 3.615 and 3.640MHz.
> 
> I figure if I can identify signals like these, I will have an easier 
> time tracking them down.
> 
> 73 de Bill K7WXW
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