User's Manual

ER-600 User Manual
58
Figure Appendix 6-2: GPS data
①$GPRMC,090756.173,V,0000.0000,N,00000.0000,E,,,120211,,,N*7F
②$GPRMC,090758.182,A,3958.2382,N,11621.4878,E,1.06,201.56,120211,,,A*6A
The figure above is the GPS data transferred to mServer, the data format is
described below, with ② as an example.
Name
Example
Unit
Description
Message ID
$GPRMC
RMC protocol header
UTC Time
090758.182
hhmmss.sss, in the example it is
09:07 and 58.182 seconds UTC
time
Status
A
A means valid location
information; V means invalid
location information
Latitude
3958.2382
ddmm.mmmm, in the example it
is 39 degrees 58.2382 minutes
South/North
Latitude
N
N means North latitude, S means
South latitude
Longitude
11621.4878
ddmm.mmmm, in the example it
is 116 degrees 21.4878 minutes
East/West
Longitude
E
E means East longitude, W
means West longitude
Ground Speed
1.06
Mile/Hour
In the example, it means 1.06
miles/hour
Ground Course
201.56
Degree
Use north as the benchmark
Date
120211
ddmmyy, in the example it
means Feb. 12
th
, 2011
Magnetic Variation
Degree
E means East, W means West
Check
*6A
<CR><LF>
Mark of message end
Table Appendix 5-1: GPS data format