NMEA-0183 message: RMC
Position, velocity, and time
The heading computation in this message is derived from consecutive positions. For heading using a moving baseline system, see NMEA-0183 message: PTNL,AVR.
The RMC string is:
$GPRMC,123519,A,4807.038,N,01131.000,E,022.4,084.4,230394,003.1,W*6A
GPRMC message fields
Field |
Meaning |
---|---|
0 |
Message ID $--RMC Talker ID can be: |
1 |
UTC of position fix |
2 |
Status A=active or V=void |
3 |
Latitude |
4 |
Longitude |
5 |
Speed over the ground in knots |
6 |
Track angle in degrees (True) |
7 |
Date |
8 |
Magnetic variation, in degrees |
9 |
The checksum data, always begins with * |