GPRMC
The Recommended Minimum, which will look similar to:
$GPRMC,123519,A,4807.038,N,01131.000,E,022.4,084.4,230394,003.1,W,A*6A
Where:
RMC Recommended Minimum sentence C
123519 Fix taken at 12:35:19 UTC
A Status A=active or V=Void.
4807.038,N Latitude 48 deg 07.038' N
01131.000,E Longitude 11 deg 31.000' E
022.4 3D speed in knots (NOTE: Standard NMEA message is speed over ground (2D speed))
084.4 Track angle in degrees True
230394 Date - 23rd of March 1994
003.1,W Magnetic Variation (not implemented in Race Technology products)
A Mode, A=GPS + Accelerometer, N= accelerometer only
*6A The checksum data, always begins with *