pg500PG500 is a compact and inexpensive fluxgate compass with a solid-state rate gyroscope for heading stabilization. It can output heading data in IEC 61162, NMEA 0183 or AD-10 formatFuruno PG500 RateFluxgate Compass Sensor (NMEA 0183) - Furuno's PG500R is a rate compensated heading sensor that incorporates innovative