Flightaware tracking shows that airframe nowhere near there.
My guess would be bad position decoding. Not sure why though.
Once one bad position is calculated then it could be the case that relative position decoding is used assuming the previous known position.
Do you have a receiver range configured in the dump1090-fa settings?
I do not know nothing about receiver range setting in FA
My site is set up correctly and synchronized with about 300 other sites.
Ok i was mistaken. You could have mentioned the date of that “screenshot”
Looks like a malfunctioning transponder.
Date was 2/28/19 at 5:17 PM
I watched it on my site, and on the flight aware site also