Post

@josh.hullcipher.com

Fun with GPS spirographs! A week off Vysotsk, Russia. The tug RATNIK reports about 3 knots, but her position keeps jumping around a loop 2-4 nm wide. 10,951 of her 12,044 reports moved faster than any ship can. Two sanctioned ships passing by, PRIMORYE and ALEKSANDR SOKOLOV, got dragged in too.

@josh.hullcipher.com

@auonsson.bsky.social caught the same circles on the tugs BOGATYR and VITYAZ back in May. Still going this week.

20/10/26, 10:48 am0 reposts2 likes

vesselspotter.eurosky.social

@vesselspotter.eurosky.social

bsky.app/profile/vess...

vesselspotter.eurosky.social@vesselspotter.eurosky.social

@pa.nton.cx Has a few great articles here: christian.panton.org/posts/going-...

christian.panton.orgGoing in CirclesOver the past year, there has been a marked increase in disruptions to satellite navigation systems across the Gulf of Finland, with reports of aircraft and ships receiving false GPS signals. Evidence...

@josh.hullcipher.com

That's very interesting! Well written.

@auonsson.bsky.social

They are captivating!