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SIM66 Series_NMEA Message_User Guide_V1.01
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2.4 NmeaVer h30
2.4.1 Message ID GGA: Output GNSS Positioning Data
Syntax:$GGA,time,Lat,N,Lon,E,FS,NoSV,HDOP,msl,M,Altref,M,DiffAge,DiffStation*cs
Example:$GPGGA,063952.000,4002.229934,N,11618.096855,E,1,4,2.788,37.254,M,0
,M,,*71
Parameter Format Description
-- STR
Positioning system flag
GP GPS+ SBAS+QZSS joint positioning(1)
GB BDS system standalone positioning
GN Multiple system joint positioning
time STR
UTC time, in the format of hhmmss.sss
hh Hours
mm Minutes
ss.sss Seconds
Lat STR
Latitude, in the format of ddmm.mmmmmm
dd Degrees
mm.mmmmmm Minutes
N STR
North or south latitude indicator
N North latitude
S South latitude
Lon STR
Longitude, in the format of dddmm.mmmmmm
ddd Degrees
mm.mmmmmm Minutes
E STR
East longitude or west longitude indicator
E East longitude
W West longitude
FS UINT
Positioning status indicator
0 Invalid
1 Point positioning
2 Differential positioning
6 INS positioning
NoSV UINT Number of satellites participating in positioning
HDOP DOUBLE Horizontal dilution of precision, 0.0~127.000
Msl DOUBLE
Ellipsoid height, fixed output one decimal place or altitude
(CFGGEOID is set to 1)
M STR
Unit of ellipsoid height or altitude, specified to constant M.
This field is empty when not positioning.
Altref DOUBLE
Sea level separation, fixed output one decimal place. Only
valid when CFGGEOID is set to 1, otherwise it is fixed to
empty.
M STR
Unit of sea level separation, specified to constant M. The
field is empty when not positioning