Manual

EB-A802-P GPS Engine Board
EverMore Technology, Inc.
2F, No.7, R&D Road 1, Science-Based Industrial Park, Hsinchu, Taiwan, 300, R.O.C. http://www.emt.com.tw
NMEA Output Message
Table 1 NMEA-0183 Output Messages
NMEA Sentence
Description
GGA (Default)
Global positioning system fixed data
GLL (Default)
Geographic position - latitude/longitude
GSA (Default)
GNSS DOP and active satellites
GSV (Default)
GNSS satellites in view
RMC (Default)
Recommended minimum specific GNSS data
VTG (Default)
Course over ground and ground speed
GGA--- Global Positioning System Fixed Data
Table 2 contains the values for the following example:
$GPGGA,161229.487,3723.2475,N,12158.3416,W,1,07,1.0,9.0,M, , , ,0000*18
Table 2 GGA Data Format
Name Example Units Description
Message ID $GPGGA GGA protocol header
UTC Position 161229.487 hhmmss.sss
Latitude 3723.2475 ddmm.mmmm
N/S Indicator N N=north or S=south
Longitude 12158.3416 dddmm.mmmm
E/W Indicator W E=east or W=west
Position Fix
Indicator
1 See Table 3
Satellites Used 07 Range 0 to 12
HDOP 1.0 Horizontal Dilution of Precision
MSL Altitude 9.0 meters
Units M meters
Geoid Separation meters
Units M meters
Age of Diff. Corr. second Null fields when DGPS is not used
Diff. Ref. Station
ID
0000