Message Type 80, $GPGGA
Standard NMEA message containing time, GPS latitude and longitude,satellite status information and altitude.
Message format is: $GPGGA,hhmmss.ss,llll.llll,a,yyyyy.yyyy,b,c,d,ee.e,sfffff,M,,M,,0000*hh<CR><LF>
Where:
hhmmss.ss is the UTC time in hours, minutes, seconds, and decimal seconds
llll.llll is the position latitude in degrees, minutes and decimal minutes
a is N(orth) or S(outh)
yyyyy.yyyy is the position longitude in degrees, minutes and decimal minutes
b is E(ast) or W(est)
c is the GPS quality: 0 = not valid; 1 = valid
d is the number of satellites in use (range 0 to 12)
ee.e is the Horizontal Dilution of Precision (HDOP)
s is sign + or – for altitude above or below mean sea level
fffff is the altitude in metres
hh is the message checksum
Example:
$GPGGA,000512.00,4910.9588,N,12254.6560,W,1,8,01.1,-00015,M,,M,,0000*5C