[RFI] RFI every 15 KHz on 160 meters, suspect source is a manufacturing facility.
Dave Cole (NK7Z)
dave at nk7z.net
Mon Jan 22 10:31:09 EST 2018
Hi Don,
Once you find out what the source is, please shoot me a screenshot of it
for the RFI snapshot library.
73s and thanks,
Dave
NK7Z
http://www.nk7z.net
On 01/22/2018 06:15 AM, Don Kirk wrote:
> Yesterday I tracked down RFI that has been bothering me on 160 meters for
> the past year. The source was a little hard to find because it's not
> always on. I finally had to use my SDR dongle with Ham it up converter in
> the car with my small tuned loop to track down the source of the
> interference (in order to make sure what I was seeing at home was what I
> was actually tracking). The suspect source is 0.75 miles from my house.
> Here is a link to a video showing my efforts to date.
>
> http://www.youtube.com/watch?v=LKf1EWTV8xs
>
> Today I will contact the manufacturing facility that I tracked the RFI down
> to in order to take the next step with them.
>
> I will report the actual source of the RFI as soon as it's determined which
> might take some time (usually takes time to establish a good working
> relationship with the suspect property owner). Based on past experience it
> sure looks like a variable speed drive, but in order to keep an open mind I
> try not to guess ahead of time.
>
> Just FYI,
> Don (wd8dsb)
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