Description Portland Course Plotter Kit The Portland Course Plotter Kit is includes the Portland Course Plotter and Single-handed dividers, and is used worldwide by practical and shore based instructors. Features 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 Includes a 7″ Single Handed Divider Comprehensive instructions included
