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GE863-GPS Software User Guide
1vv0300724 Rev. 2 - 24/01/07
5.4.5 RMC - Recommended Minimum Specific GNSS Data
This sentence reports Time , date, position, course and speed data.
Table H contains the values for the following example:
$GPRMC,161229.487,A,3723.2475,N,12158.3416,W,0.13,309.62,120598, ,*10
Table H: RMC Data Format
Name Example Units Description
Message ID $GPRMC RMC protocol header
UTC Time 161229.487 hhmmss.sss
Status A A=data valid or V=data not valid
Latitude 3723.2475 ddmm.mmmm
N/S Indicator N N=north or S=south
Longitude 12158.3416 dddmm.mmmm
E/W Indicator W E=east or W=west
Speed Over
Ground
0.13 knots
Course Over
Ground
309.62 degrees True
Date 120598 ddmmyy
Magnetic
Variation
degrees E=east or W=west
Mode A A=Autonomous, D=DGPS, E=DR
Checksum *10
<CR> <LF> End of message termination
NOTE: SiRF Technology Inc. does not support magnetic declination. All “course over ground”
data are geodetic WGS84 directions.
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