[alwayshumans]

Interestingly the same techniques are applied to the fishing industry to monitor for illegal fishing in protected areas.

[AWildC182]

Looking at AIS dropping out I assume?

[mike_d]

Check out HawkEye 360. They use a cluster of three satellites to triangulate AIS and radio transmissions (CB/UHF/etc) and do a bunch of ML to detect people where they shouldn't be.