User guide

Part 6 – Commands for GPS-Enabled Devices Chapter 16 – Commands for GPS-Enabled Devices
Universal IP AT Commands Reference Guide (Document S000457H) 96
VTG – Course Over Ground and Ground Speed
The Actual course and speed relative to the ground.
Structure:
GPVTG,x.x,T,,M,x.x,N,x.x,K,a*hh<CR><LF>
1 2 3 4 5
Example:
$GPVTG, 000.0,T,,M,000.0,N,0000.0,K,A*3D<CR><LF>
Field Name Example Description
1 Course 000.0 True course over ground in degrees (000.0 ~ 359.9)
2 Speed 000.0 Speed over ground in knots (000.0 ~ 999.9)
3 Speed 0000.0 Speed over ground in kilometers per hour (0000.0 ~ 1800.0)
4 Mode A Mode indicator
‘N’ = not valid
‘A’ = Autonomous mode
‘D’ = Differential mode
‘E’ = Estimated (dead reckoning) mode
‘M’ = Manual input mode
‘S’ = Simulator mode
5 Checksum 3D