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 










