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Automatic identification systems (AIS) and the online platforms which connect them to businesses and the general public are not simply the tools of ship enthusiasts – they have now taken on a wide range of commercial applications.

The AIS systems consist of a transponder aboard a ship with a GPS and VHF transmitter. The VHF transmits GPS information to coastal or space-based (satellite) receiving stations; it is then interpreted by software, enabling it to be visually displayed.

All ships over 299GT carry ...

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