a shot in the dark

AIS tracking partnership Global Fishing Watch has expanded its reach with what it believes to be the first ever publicly-available worldwide map of “undetected dark fleets” – vessels that do not broadcast AIS.

Using synthetic aperture radar (SAR) data from the European Space Agency’s Sentinel-1 satellites, coupled with machine learning algorithms, Global Fishing Watch has figured out how to automatically track vessels without the use of satellite AIS…

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