Help Wanted

Charts are about to change in a big way. The paper charts we’ve used for decades are going away. So, too, are their electronic cousins, called Raster Navigational Charts. That leaves us only with vector charts, otherwise known as Electronic Navigational Charts—and we’re at a point in the changeover process when every boater needs to contribute information, to make these charts as good as they can be.

To understand why, you have to learn a bit about the technological evolution that got us