- Maptech waterproof charts are a big improvement over large, cumbersome charts. Spread a chart out to its full width, or keep it folded and flip to your favorite area.
- Maptech Waterproof Charts easy to use with your GPS. Most charts include one-minute lat./long. grids to make vessel positioning a breeze, and major navigation aids are identified with named GPS waypoints.
- Maptech’s navigation editors add magnetic courses between major navigation aids with distances in nautical miles.
- Waterproof Charts are also designed to help you do the calculations yourself.
- Each page includes a Compass Rose with annual increase in variation and complete scale information.