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G-Mouse GPS Receiver User Manual
Page 12
Value
Description
3 GPS PPS Mode fix valid
A.1.2 Geographic Position - Latitude/Longitude (GLL)
Samples:
$GPGLL,3723.2475,N,12158.3416,W,161229.487,A*2C
Table 1-4 GLL Data Format
Name Example Units Description
Message ID $GPGLL GLL protocol header
Latitude 3723.2475
dd mm.mmmm
N/S Indicator N N = north or S = south
Longitude
12158.3416
ddd mm.mmmm
E/W Indicator W E = east or W = west
UTC Position
161229.487
hh mm ss.sss
Status A A = data valid or V = data not valid
Checksum *2C
A.1.3 GNSS DOP and Active Satellites (GSA)
Samples:
$GPGSA,A,3,07,02,26,27,09,04,15, , , , , ,1.8,1.0,1.5*33
Table A-5 GSA Data Format
Name Example
Units
Description
Message ID $GPGSA
GSA protocol header
Mode 1 A See Table 4-6
Mode 2 3 See Table 4-7
Satellite Used *1 07 SV on Channel 1
Satellite Used *1 SV on Channel 2
… .. … ...
Satellite Used *1 SV on Channel N
PDOP 1.8 Position Dilution of Precision
HDOP 1.0 Horizontal Dilution of Precision
VDOP 1.5 Vertical Dilution of Precision
Checksum *33
*1 Satellite used in solution.
Table A-6 Mode 1
Value
Description
M Manual – forced to operate in 2D or 3D mode
3 Automatic – allowed to automatically switch 2D/3D
Table A-6 Mode 2
Value
Description
1 Fix Not Available
2 2D
3 3D
A.1.4 GNSS Satellites In View (GSV)
Samples: