Sunsea AIoT SIMCom SIM66 Series, Руководство пользователя, Страница: 23 / 25

SIM66 Series_NMEA Message_User Guide_V1.01
www.simcom.com 23 / 25
2.5 Navigation Result Message
2.5.1 NAVPOS: Output the Receiver Position Information
Syntax:$NAVPOS,time,system,quality,X,Y,Z,lat,lon,height*cs
Example:$NAVPOS,282201000,5,3,2160481.168,4383619.182,4084735.203,40.078998,116.236534,
52.843847*1C
Parameter Format Description
time UINT
Time corresponding to the positioning solution
The time definition depends on the current positioning
system, the priority is GPS>BDS>GAL>GLO
system UINT
Current positioning system
bit0 GPS
bit2 BDS
bit5 GAL
bit4 GLO
quality UINT
Current positioning quality
0 Invalid
1 External configuration
2 Coarse
3 precise
X DOUBLE X of ECEF, in meters
Y DOUBLE Y of ECEF, in meters
Z DOUBLE Z of ECEF, in meters
lat DOUBLE
The latitude of the receiver, which is positive in north
latitude and negative in south latitude, in degrees
lon DOUBLE
The longitude of the receiver, which is positive in east
longitude and negative in west longitude, in degrees
height DOUBLE The height of the receiver ellipsoid, in meters
cs STR
Checksum
A hexadecimal number obtained by calculating an XOR of
all characters from '$' to '*' in this statement
<CR><LF> End of message termination
2.5.2 NAVVEL: Output the Receiver Velocity Information
Syntax:$NAVVEL,time,system,quality,Vx,Vy,Vz,clockDrift*cs
Example:$NAVVEL,282201000,5,3,0.000,0.000,0.000,31.785*2F
Parameter Format Description
time UINT Same as time definition in NAVPOS