NMEA Message Formats
F.3
Syntax
Description of fields
GGA - Global Positioning System Fix Data
$--GGA,hhmmss.ss,llll.ll,a,yyyyy.yy,a,x,xx,x.x,x.x,M,x.x,M,x.x,xxxx*hh<CR><LF>
Field
Description
$--GGA
Header including Talker ID
hhmmss.ss
UTC time of position
llll.ll
Latitude (WGS 1984)
a
Hemisphere, North or South
yyyyy.yy
Longitude (WGS 1984)
a
East or West
x
Position quality indicator
0 = Fix not available or invalid
1 = No real-time position, navigation fix
2 = Real-time position, ambiguities not fixed
3 = Valid fix for GNSS Precise Positioning Service mode, for example WAAS
4 = Real-time position, ambiguities fixed
xx
Number of satellites in use, 00 to 26.
x.x
HDOP
TPS1200
1346