UniTraQ International Corp.
RoHS compliance
2007, Version 1.1
10
Eastern Star 7 series GT-3731R
GPS Receiver
9.5 RMC - RECOMMANDED MINIMUM SPECIFIC GPS/TRANSIT 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,x.x,a,a*hh<CR><LF>
1 2 3 4 5 6 7 8 9 10 1112 13
Example:
$GPRMC,092204.999,A,4250.5589,S,14718.5084,E,0.00,89.68,211200,,A*25<CR><LF>
Field Name
Example
Description
1
UTC time
092204.999
UTC time in hhmmss.sss format (000000.00 ~
235959.999)
2 Status
A
Status
‘V’ = Navigation receiver warning
‘A’ = Data Valid
3
Latitude
4250.5589
Latitude in dddmm.mmmm format
Leading zeros transmitted
4
N/S indicator
S
Latitude hemisphere indicator
‘N’ = North
‘S’ = South
5
Longitude
14718.5084
Longitude in dddmm.mmmm format
Leading zeros transmitted
6
E/W Indicator
E
Longitude hemisphere indicator
'E' = East
'W' = West
7
Speed over ground 000.0
Speed over ground in knots (000.0 ~ 999.9)
8
Course over ground 000.0
Course over ground in degrees (000.0 ~ 359.9)
9
UTC Date
211200
UTC date of position fix, ddmmyy format
10
Magnetic variation
Magnetic variation in degrees (000.0 ~ 180.0)
11
Magnetic Variation
Magnetic variation direction
‘E’ = East
‘W’ = West
12
Mode indicator
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
13 checksum
25
