HS75 Compass GNSSAccurate HeadingAn accurate heading sensor is essential for autopilot, advanced radar features, and many other onboard electronics. The multi-GNSS HS75 supports GPS, GLONASS, BeiDou, Galileo, and QZSS for pinpoint global positioning and heading accuracy. The commercial-grade HS75 offers heading accuracy to within 0.75 degrees much greater than a common magnetic rate compass, without the cost and maintenance of a gyro compass.Unlike a standard GPS receiver, which can only estimat