23
＜
CR
＞＜
LF
＞
End of message termination
RMC
－
Recommended Minimum Specific GNSS Data
Time, date, position, course and speed data.
$GPRMC,hhmmss.dd,S,xxmm.dddd,<N|S>,yyymm.dddd,<E|W>,s.s,h.h,ddmmyy,d.d,
<E|W>,M*hh<CR><LF>
Example:
$GPRMC,134829.486,A,1126.6639,S,11133.3299,W,58.31,309.62,110200,,,A*14
Name Example
Units Description
Message ID
$GPRMC
RMC protocol header
UTC Time
134829.486
hhmmss.dd
hh = hours
mm = minutes
ss = seconds
dd = decimal parts of seconds
Status Indicator
A
S
A=data valid or V=data not valid
Latitude 1126.6639
xxmm.dddd
xx = degrees
mm = minutes
dd = decimal parts of minutes
N/S Indicator
S
N=north or S=south
Longitude 11133.3299
yyymm.dddd
yyy = degrees
mm = minutes
dddd = decimal parts of minutes
E/W Indicator
W
E=east or W=west
Speed, Knots
58.31
knots
s.s
Speed, knots.
Heading 309.62
degrees
Date 110200
ddmmyy
dd – date
mm = month
yy = year
Magnetic Variation
degrees
d.d
This value is available if magnetic
model data has been stored to the
flash memory.
Declination
E = East, W = West
Mode Indicator
A
A=autonomous
N=data not valid