Furuno SC33 Compact Dome Satellite Compass, NMEA2000 (0.4 Heading Accuracy) w/6M Cable [SC33]SC33 Compact Dome Satellite Compass, NMEA2000 (0. 4 Heading Accuracy) with 6M Cable Sleek, Fast & Accurate The SC33 Satellite Compass provides highly accurate attitude information for navigation equipment such as Radar, Plotter, Autopilot, Fish Finder and Sonar. With its compact GNSS antenna and built in processor, it can be used for a wide variety of applications on any type of vessel. This all in one system delivers incredibly accurate heading and