The "Recommended Minimum" GPS data (Lat/Lon, speed, and time). $GPVTG: Course over ground and ground speed. $GPDPT: Depth measurements. $WIMWV: Wind speed and angle.
NMEA 0183 is a protocol developed by the National Marine Electronics Association (NMEA) for serial data communication between marine electronic devices. It is a simple, text-based protocol that uses a master-slave communication scheme, where a single master device transmits data to one or more slave devices. nmea 0183 output