Data Sheet
ADH-tech
GP3906-TLP Data Sheet
Rev.A01
12
GGA—Global Positioning System Fixed Data. Time, Position and fix related data
for a GPS receiver
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
GGA Data Format Table-2
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-sae-level
Units
M
meters
Units of antenna altitude
Geoidal
Separation
17.8
meters
Units
M
meters
Units of geoidal separation
Age of Diff. Corr.
second
Null fields when DGPS is not
used
Checksum
*65
<CR> <LF>
End of message termination
Position Fix Indicator Table-3
Value
Description
0
Fix not available
1
GPS fix
2
Differential GPS fix
GSA—GNSS DOP and Active Satellites
Table-4 contains the values for the following example:
$GPGSA,A,3,29,21,26,15,18,09,06,10,,,,,2.32,0.95,2.11*00