NAVIOR-24S
™
Appendix D
NMEA 0183 Communication Interface
178
NAVIOR-24S ™
Revision
V1.00 20.05.2008
GGA - GNSS Fix Data
The GGA message includes time, position and fix related data for the GPS/GLONASS receiver.
Format:
$GPGGA, hhmmss.ss, llll.lll, a, yyyyy.yyy, a, x, uu, v.v, w.w, M, x.x, M, y.y, zzzz <CR><LF>
Field
Format
hhmmss.ss
UTC of Position (when UTC offset has been decoded by the receiver)
llll.lll,a
Latitude, N (North) or S (South)
yyyyy.yyy,a
Longitude, E (East) or W (West)
x
GPS Quality Indicator:
0 = fix not available or invalid
1 = GPS SPS mode, fix valid
2 = DGPS mode, fix valid
uu
Number of Satellites in Use
v.v Horizontal
Dilution of Precision (HDOP)
w.w, M
Antenna Altitude in Meters, M = Meters
x.x, M
Geoidal Separation in Meters, M=Meters. Geoidal separation is the difference
between n the WGS-84 earth ellipsoid and mean sea level.
y.y
Age of Differential GPS Data. Time in seconds since the last Type1 or 9
Update
zzzz
Differential Reference Station ID (0000 to 1023)
<CR><LF>
2 ASCII control characters