Ham radio operators find RF sources for fun [0], so every time i hear something like this, I get skeptical when governments act as if they can't find out who did or atleast where from (is it coming from a drone in the air, from russia, or from a nearby parking lot [1]

[0] https://en.wikipedia.org/wiki/Transmitter_hunting

[1] https://www.cnet.com/culture/truck-driver-has-gps-jammer-acc...