Rocks, shallow, wrecks and fog are commom obstacles in marine navigation. GPS and nautical charts gives your location in the sea.Chartplotters display the GPS information overlaid on the nautical charts. They will be the primary navigation tool. ![]() |
Rocks, shallow, wrecks and fog are commom obstacles in marine navigation. GPS and nautical charts gives your location in the sea.Chartplotters display the GPS information overlaid on the nautical charts. They will be the primary navigation tool. ![]() |