Real-time Ship AIS Tracking Map.


 

This tracking map is created from real-time AIS (Automatic Identification System) signals. AIS is a real-time system that all commercial ships use. Most AIS information is transmitted via VHF, therefore, ships positions may only be available at or near a port having AIS receivers. For that reason, unless a ship has long-range AIS, ship information may not be available on the high seas. For more information on how AIS works, see my AIS tutorial.

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