[RFI] What would cause noise like this?
Dave Cole
dave at nk7z.net
Sun Nov 3 07:37:01 EST 2019
Check out the web page at:
https://www.nk7z.net/sdr-rfi-survey-p1/
for an automated way to sample your RFI environment... It uses a SDR to
sample across time and wide bandwidths... Very handy for getting a
"feel" for your RFI environment prior to a "boots on the ground" look.
73, and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Volunteer Examiner
ARRL Technical Specialist
ARRL Asst. Director, NW Division, Technical Resources
On 11/2/19 10:07 AM, Frank O'Donnell wrote:
> Thanks for the suggestions on locating noise sources with
> direction-finding gear -- I will check those out.
>
> My main interest in posting was to ask if this pattern was an obvious
> smoking gun for a particular type of noise source -- or whether, say,
> the fact that it started an hour before sunrise would necessarily rule
> out solar panels. Dave's comments about the schedule of RFI appearance
> are helpful, and I'll keep an eye on that.
>
> To answer Jim's question, this view covers about 180 to 440 kHz.
>
> Thanks again and 73,
>
> Frank K6FOD
>
>
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