NAVIOR-24S
™
Appendix D
NMEA 0183 Communication Interface
184
NAVIOR-24S ™
Revision
V1.00 20.05.2008
VTG – Course over ground and ground speed
The VTG message consist information actual course (COG) and speed (SOG) relative to the
ground.
Format:
$GPVTG, x.x, T, x.x, M, x.x, N, x.x, K, i <CR><LF>
Field
Format
x.x,T
Course degrees true
x.x,M
Course degrees magnetic
x.x,N Speed,
knots
x.x,K Speed,
km/h
i Mode
indicator:
A=Autonomous Mode
D=Differential Mode
E=Estimated (dead reckoning) Mode
M=Manual Input Mode
S=Simulated Mode
N-Data Not Valid
<CR><LF>
2 ASCII control characters