Data Sheet

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F
G
PMMOPA6H
Dat
a Sheet
GlobalTop Technology
Ver. V0
A
Document #
GGA—Global Positioning System Fixed Data. Time, Position and fix related
data
Table-2 contains the values for the following example：
$GPGGA,064951.000,2307.1256,N,12016.4438,E,1,8,0.95,39.9,M,17.8,M,,*65
Table
-
2: GGA Data Format
Name
Example
Units
Description
Message ID $GPGGA GGA protocol header
UTC Time 064951.000 hhmmss.sss
Latitude 2307.1256 ddmm.mmmm
N/S Indicator N N=north or S=south
Longitude 12016.4438 dddmm.mmmm
E/W Indicator E E=east or W=west
Position Fix
Indicator
1
See
Table
-
3
Satellites Used 8 Range 0 to 14
HDOP 0.95 Horizontal Dilution of Precision
MSL Altitude 39.9 meters Antenna Altitude above/below mean-sea-level
Units M meters Units of antenna altitude
Geoidal Separation 17.8 meters
Units M meters Units of geoids separation
Age of Diff. Corr. second Null fields when DGPS is not used
Checksum *65
<CR> <LF> End of message termination
Table
-
3: Position Fix Indicator
Value
Description
0 Fix not available
1 GPS fix
2 Differential GPS fix