9
Name Example Units Description
Message ID
$GPGGA
GGA protocol header
UTC Time
161229.487 Hhmmss.sss
Latitude 3723.2475
ddmm.mmmm
N/S Indicator
N
N=north or S=south
Longitude 12158.3416
dddmm.mmmm
E/W Indicator
W
E=east or W=west
Position Fix
Indicator
1
See
Table
5-3
Satellites Used
07
Range 0 to 12
HDOP 1.0
Horizontal
Dilution of Precision
MSL Altitude
9.0
Meters
Units M
Meters
Geoid Separation
Meters
Units M
Meters
Age of Diff. Corr.
second Null fields when DGPS is not used
Diff. Ref. Station ID
0000
Checksum
*18
<CR> <LF>
End of message termination
Position Fix Indicator
Value
Description
0
Fix not available or invalid
1 GPS SPS Mode, fix valid
2 Differential GPS,SPS mode, Fix valid
3 GPS PPS Mode, Fix valid
GNSS Satellites in View
(GSV)$GPGSV,2,1,07,07,79,048,42,02,51,062,43,26,36,256,42,27,27,138,42*71
$GPGSV,2,2,07,09,23,313,42,04,19,159,41,15,12,041,42*41
Name Example Units Description
Message ID
$GPGSV
GSV protocol header