Gga--- global positioning system fixed data, Eb-a802-p gps engine board – Rainbow Electronics EB-A802 User Manual
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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