Compare the GPS-90D's most wanted features like built-in differential beacon receiver, graphic navigation pages, track plotter, large display and a full keypad for quick, easy selection of all functions.

• Competitive models offer only arrow keys to input data.  Requiring up to 77 key touches to input a single waypoint.  With the GPS-90D, waypoint entry is quick, no tedious scrolling is required.
• Larg, easy-to-read backlit LCD display and backlit softkey controls allow instant mode selection.
• Graphic and digital compass displays for heading and bearing information. 
• Electronic Fairway display shows vessel's rhumbline course, cross-track error, and progress to desired waypoint.
• Unique "Quick" Waypoint
• North up, X-Y axis plotter shows history of the vessel's track on a wide selection of ranges from 150 feet to 20NM to help you accurately retrace previous trips.  2000 plotting points available.
• Advanced continuous tracking "MaxView" receiver processes data from up to 11 GPS satellites for accurate position updates every second.
• Differential beacon receiver offers repeatable accuracy to ten feet.
• Mobile cursor on the plotter display pinpoints position information of navigation landmarks.
• Transfer your favorite Loran fishing hotspots with the built-in automatic Lat/Lon to LOP Conversion Program.
• 400 nameable waypoints and every-memory storage let you keep track of all your favorite fishing and cruising spots.
• MOB (man-overboard) display stores precise position in Lat/Lon and provides a graphic visual perspective of emergency situations plus continuous updates of range and bearing.
• NMEA 0183 data port allows simple connection to charting systems, autopilots, radars and depth sounder.  A wide array of selectable output sentence information insures compatibility with most over devices.
• Rugged, weatherproof construction to withstand the harsh marine environment.
• Also available without differential capability as the GPS-90.