Some of the many features of Chart Plotter

You can draw bearing lines just the same as on a paper chart. Ais display as well. 

Chart Plotter automatically keeps a Log

Plan your route just by clicking on the chart

Ais connection displays other ships position indicating their bearing and distance from you 

Quantity Item Unit Price
Chart Plotter, for Windows on a USB memory stick £69.95
2+ £59.95 each
5+ £49.95 each
10+ £39.95 each
USB GPS BU-353 inc. p&p £41.95
USB GPS (BU-353 dongle) plus Chart Plotter (download) plus 3 year UK & Europe Tide Plotter (download) £115.95
Chart Plotter (existing users) updated charts and tides download £35.95