GMM-U1 Datasheet, PDF (21/36 Pages) List of Unclassifed Manufacturers – GPS Module

GlobalTop Technology
Gmm-u1 Data Sheet
21 _{Ver. V0G}
RMC—Recommended Minimum Navigation Information
Table-8 contains the values for the following example：
$GPRMC,064951.000,A,2307.1256,N,12016.4438,E,0.03,165.48,260406,3.05,W,A*2C
Name
Message ID
UTC Time
Status
Latitude
N/S Indicator
Longitude
E/W Indicator
Speed over
Ground
Course over
Ground
Date
Magnetic
Variation
Mode
Checksum
<CR> <LF>
Table-8: RMC Data Format
Example Units
Description
$GPRMC
RMC protocol header
064951.000
hhmmss.sss
A
A=data valid or V=data not valid
2307.1256
ddmm.mmmm
N
N=north or S=south
12016.4438
dddmm.mmmm
E
E=east or W=west
0.03
knots
165.48
degrees ^True
260406
3.05, W
A
*2C
degrees
ddmmyy
E=east or W=west
(Need GlobalTop Customization
Service)
A= Autonomous mode
D= Differential mode
E= Estimated mode
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