Now, Navionics customers can enjoy high-resolution relief shading by downloading the chart content to Platinum+ and HotMaps Platinum chart cards for compatible chartplotter systems.

Navionics, a leader in producing charts for marine electronics, provides regularly updated bottom contour charts for most manufacturers of fish finders and chart plotters.

A valuable component of Navionics chart cards used in most plotters, SonarChart is also offered in Navionics Boating mobile apps and on the Navionics free WebApp.

Users can choose from a unit that accepts Navionics Gold XL3 charts or another model utilizing C-MapNT Max charts, both of which are now on Secure Digital (SD) cards.