GPS01
RMC – Recommended Minimum Specific GNSS Data
Time, date, position, course and speed data provided by a GNSS navigation receiver.
Structure:
$GPRMC,hhmmss.sss,A,dddmm.mmmm,a,dddmm.mmmm,a,x.x,x.x,ddmmyy,,,a*hh<CR><LF>
6 7 10 11
1
2
3
4
5
8
9
Example:
$GPRMC,111636.932,A,2447.0949,N,12100.5223,E,000.0,000.0,030407,,,A*61<CR><LF>
Field Name
Example
Description
1
UTC time
0111636.932
UTC time in hhmmss.sss format (000000.00 ~
235959.999)
2
Status
A
Status
‘V’ = Navigation receiver warning
‘A’ = Data Valid
3
4
Latitude
2447.0949
N
Latitude in dddmm.mmmm format
Leading zeros transmitted
Latitude hemisphere indicator
‘N’ = North
N/S indicator
‘S’ = South
5
6
Longitude
12100.5223
E
Longitude in dddmm.mmmm format
Leading zeros transmitted
Longitude hemisphere indicator
'E' = East
E/W Indicator
'W' = West
7
8
9
10
Speed over ground 000.0
Course over ground 000.0
Speed over ground in knots (000.0 ~ 999.9)
Course over ground in degrees (000.0 ~ 359.9)
UTC date of position fix, ddmmyy format
Mode indicator
UTC Date
030407
A
Mode indicator
‘N’ = Data not valid
‘A’ = Autonomous mode
‘D’ = Differential mode
‘E’ = Estimated (dead reckoning) mode
‘M’ = Manual input mode
‘S’ = Simulator mode
11
checksum
61
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