The Portland Course Plotter Used worldwide by practical and shore based instructors Bright blue directional arrow prevents accidental reciprocal bearings Edges are graduated for tide and boat speed Base has a fixed grid so it is easy to plot latitude from your GPS system Comprehensive instructions included
![](http://getfitnesshq.com/wp-content/uploads/2017/03/41PEBRHo0OL._SL160_.jpg)
Price : $26.95
Brand : BH