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NMEA RMC Message
NMEA Message Format RMC, (Recommended Minimum) provides fix information, speed over ground and Magnetic Variance information.
There are slight differences between the output of this NMEA Message between ASCII Time Code messages that are output through ATC settings and option cards, and NMEA Out messages designed for navigational purposes. Choose the correct reference table below.
Timing RMC Message
Example message:
$GPRMC,123519.00,A,4807.038,N,01131.000,E,,,230394,,,A*6A
Where:
RMC | Recommended Minimum Sentence C |
123519.00 | 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 |
(empty field) | (Field not provided in this setup) |
(empty field) | (Field not provided in this setup) |
230394 | Date - 23rd of March 1994 |
(empty field) | (Field not provided in this setup) |
(empty field) | (Field not provided in this setup) |
A | Mode Indicator: A=Autonomous, D=Differential, E=Estimated, F=Float RTK, M=Manual input, N=No fix, P=Precise, R=Real time kinematic, S=Simulator |
*6A | Checksum data, always begins with * |
Navigational RMC Message
Example message:
$GPRMC,123519,A,4807.038,N,01131.000,E,0.022,269.131,230394,,,A,C*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 |
0.022 | Speed over the ground in knots |
269.131 | Track angle in degrees True |
230394 | Date - 23rd of March 1994 |
(empty field) | (Field not provided in this setup) |
(empty field) | (Field not provided in this setup) |
A | Mode Indicator: A=Autonomous, D=Differential, E=Estimated, F=Float RTK, M=Manual input, N=No fix, P=Precise, R=Real time kinematic, S=Simulator |
C | Navigational Status: S=Safe, C=Caution, U=Unsafe, V=Void |
*6A | Checksum data, always begins with * |