» submit.bco-dmo.org » How-to Guide » FAQs
BCO-DMO Blog Find out what's happening at BCO-DMO.
Speed over ground. Part of ship supplied along track data.
GPS speed over ground (GPS_SOG) Format: XX.X knots. This is the primary SOG data. Speed-over-ground (knots) obtained from GPS NMEA $GPRMC data sentence. The RMC sentence is obtained from the switched GPS receiver (C-Nav; GP1850; GP-90D).