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RMC - Recommended minimum specific GNSS data
Version 1.5
$GPRMC, hhmmss,A,ddmm.mm,a,dddmm.mm,a,xxx.x,xxx.,xxxxxx,xx,a*hh<CR><LF>
1
2
Version 2.1
$GPRMC, hhmmss,A,ddmm.mmmm,a,dddmm.mmmm,a,xxx.x,xxx.,xxxxxx,xx.,a*hh<CR><LF>
1
2
Version 2.3
$GPRMC,hhmmss.ss,A,ddmm.mmmm,a,dddmm.mmmm,a,xxx.x,xxx.x,xxxxxx,xx.,a,a*hh<CR><LF>
1
IEC
$GPRMC,hhmmss.ss,A,ddmm.mmmm,a,dddmm.mmmm,a,xxx.x,xxx.x,xxxxxx,xx.x,a,a,a *hh<CR><LF>
1
2
1:
UTC of position fix
1:
UTC of position fix (1/100 sec)
2:
Status
3, 4: Latitude (deg, min), N / S
5, 6: Longitude (deg, min), E / W
7:
Speed over ground, knots
8:
Course over ground, degrees true
9:
Date: dd/mm/yy
10,11: Magnetic variation value, E/W
12:
Checksum
12:
Mode indicator
13:
Checksum
13:
Navigational status
14:
Checksum
Note
For version 1.5, when not performing positioning, outputs last measured position data.
For version 2.3,IEC when not performing positioning, outputs last measured position
data,
date, and time.
For version 2.3,IEC when power is turned on, or master reset is performed, the initial
time, date, and position settings are NULL.
Appendix 2-4
3
4
5
3
4
2
3
4
3
4
5
A = data valid
V = navigation receiver warning
A = Autonomous mode
D = Differential mode
N = Data not valid
S = Simulator mode
P = SBAS mode (IEC only)
S = Safe
C = Caution
U = Unsafe
V = Not Valid
6
7
8
9 10 11 12
5
6
7
8
5
6 7
8
6 7
8
9
(Version 1.5, 2.1)
(Version 2.3,IEC)
(Version 1.5, 2.1)
(Version 2.3,IEC)
(Version 2.3)
9
10 11 12
9
10 11 12 13
10 11 12 13 14
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