资讯

Marine Traffic map lets anyone trace a vessel that has a position ‘transponder’ similar to those used by aircraft Transponder broadcasts the ships’ position, name, course and speed allowing ...
Data are collected from the YOTREPS network of cruising yachts worldwide and plotted with Esri ArcGIS 10.2.1. Density of yacht traffic is highest in red. Note the seasonal patterns of transits in ...