A track (also known as a backtrack) is a trail left behind on an electronic nautical chart when navigating a course. It consists of position and route data captured and stored at intervals. The function of a track in navigation is to provide the ship's captain or navigator with accurate information about the route covered. Here...
SonarCharts™ are a special feature provided by Navionics, a manufacturer of electronic nautical charts. They are used in conjunction with sonar devices that create detailed images of the seabed underwater. The functioning of SonarCharts™ is as follows: When a boat equipped with a sonar device travels over a body of water, the sonar device emits sound...
When discussing acquiring electronic charts for our boat, we first need to decide whether we want to use a plotter or a tablet/smartphone with a compatible app. Both devices utilize electronic nautical charts, often from the same manufacturer. A plotter uses specialized memory cards that are inserted into the device to load the charts. For an...