Deluo TRISTAR25 User Manual
Page 17

Deluo Electronics http://www.deluo.com
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