Marine GPS we recommend Best of the best: Garmin’s Echomap 93SV Chartplotter Our take: Extremely accurate and comprehensive device for inland U.S. waterways.

The marine GPS chartplotter is a larger and more technologically advanced GPS than the automotive or hand-held units we have seen before.

Garmin (GRMN) unveils the new ECHOMAP UHD2 chartplotter series, which comes with advanced features and a touchscreen display.

Garmin's ECHOMAP chartplotter series now offers its best built-in mapping solution that delivers access to daily chart updates, new Auto Guidance+ technology and more.

We explore how smartphones, tablets and apps compare to dedicated marine electronics.

GPS-based navigation tool with multi-band GNSS provides reliable, accurate heading and position information Garmin International Inc. has launched the MSC 10 marine satellite compass with multi-band ...