Seems APRS.FI has now linked the Automatic Identification System (AIS)into their website.. http://en.wikipedia.org/wiki/Automatic_Identification_System ...currently watching Maryland's tall ship 'The Pride of Baltimore II' make it's way down the Bay as well as Chestertown's tall ship 'Sultana'on it's voyage. Clay AA3JY-5 s/v 'Tango'