Signal gaps

What Can We See When AIS Signals Disappear?

We are often asked about how Global Fishing Watch can be effective when vessel captains can simply turn off their AIS. And our answer has always been, “they have to turn it back on sometime—especially when entering port, and intentional blackouts raise a red flag.” Our recent analysis of fleet activity around the Argentine EEZ [...]

By | 2017-12-21T16:04:04+00:00 July 24th, 2017|Signal gaps|

AIS Gaps by Fleet

AIS GAPS BY FLEET: January 1, 2017 - July 10,2017 On the maps below, each point indicates the start of a gap in AIS signals from a fishing vessel lasting more than 24 hours. [Read about our AIS gap analysis around the Argentine Exclusive Economic Zone] Number of gaps by flag state:

By | 2017-12-21T16:02:33+00:00 July 20th, 2017|Signal gaps|