Vessel positions tracking based on AIS data. Real-time ship locations and port arrivals departures
Very cool use of Google maps. From the FAQ:
How is the data collected?
Our base stations are equipped with an AIS receiver, a PC and an Internet connection. The AIS unit receives data, which are processed by simple software on the PC and then sent to a central database by means of a ‘web service’. This software is free for anyone interested, under a GNU license. (Read section 'Cover your Area' for more information on how to install your own AIS base station).
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How is this information displayed on this site?
The central database receives and processes a large amount of data and stores the most important part of it. It also includes port and area geographic information, vessel photos and other information. Vessels current positions and/or tracks are displayed on a map, using the Google’s map API. Position history, vessel’s details, port conditions and statistics are searchable through our web pages.
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