Operation Manual

Apelco GPS11 Installation and Operation Handbook
70
-GGA Global Positioning System Fix Data $GGA, hhmmss,llll.lll,a, yyyyy.yyy, a, x, xx, x.x, x.x, M, x.x, M, x.x, xxxx *hh<CR><LF>
Differential reference station ID
Age of Differential GPS data
Units of geoidal separation, meters
Geoidal separation
Units of antenna altitude, meters
Antenna altitude re: mean-sea level (geoid)
Horizontal dilution of position
Number of satellaties in use
GPS quality indicator
Longitude, E/W
Latitude, N/S
UTC of position
-GLL Geographic Position - Latitude/Lingitude $GLL, llll.lll, a, yyyyy.yyy, a, hhmmss, A *hh<CR><LF>
Status: A= valid, V = not valid
UTC of position
Longitude, E/W
Latitude, N/S