
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.
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 98 of 109