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17
4.1.6 RMC – Recommended Minimum Specific GNSS Data
Purpose
Output time, date, position, course and speed data.
Format
$GPRMC,hhmmss.sss,x,ddmm.mmmm,a,dddmm.mmmm,a,xxx.x,xxx.x,ddmmyy,xxx.x,a*CS
Example
$GPRMC,083604.883,A,2446.5254,N,12100.1399,E,000.0,000.0,300502,003.3,W*76
Output Rate
Programmable using EverMore Binary Message 0x8E and 0x8F.
Field
Name Example Unit Description
1 Message ID $GPRMC RMC protocol header
2 UTC time 083604.883 hhmmss.sss
hour, minute, sec & decimal sec
000000.000 ~ 235959.999
Leading zeros transmitted
3 Status A x
A=Data valid
V=Navigation receiver warning
4 Latitude 2446.5254 ddmm.mmmm
degree, minute & decimal minute
Leading zeros transmitted
5 N/S hemisphere indicator N a
N=north or S=south
6 Longitude 12100.1399 dddmm.mmmm
degree, minute & decimal minute
Leading zeros transmitted
7 E/W hemisphere indicator E a
E=east or W=west
8 Speed Over Ground 000.0 knot xxx.x
Leading zeros transmitted
9 Course Over Ground 000.0 degree xxx.x
Leading zeros transmitted
10 Date 300502 ddmmyy
day, month, year (2 digit)
Leading zeros transmitted
11 Magnetic variation 003.3 degree 00.0 to 359.9 degrees
Leading zeros transmitted
12 Magnetic variation
reference
W a
E=east or W=west
Westerly variation adds to true
course
13 Checksum *76