Marine Traffic
2011-06-29 01:13:32.780599+02 by Dan Lyke 0 comments
Way cool: As of December 2004 all vessels over 299GT are required to carry an AIS transponder which transmits telemetry on 161.975 MHz and 162.025 MHz. http://www.marinetraffic.com/ has volunteers setting up receivers so that they can give real-time updates of ship locations on a map.