Vtg - Course Over Ground And Ground Speed - Leica TPS1200 series Technical Reference Manual

NMEA Message Formats
F.14
Syntax
Description of fields

VTG - Course Over Ground and Ground Speed

$--VTG,x.x,T,x.x,M,x.x,N,x.x,K,a*hh<CR><LF>
Field Description
$--VTG Header including talker ID
x.x Course over ground in degrees true North, 0.0 to 359.9
T Fixed text T for true North
x.x Course over ground in degrees magnetic North, 0.0 to 359.9
M Fixed text M for magnetic North
x.x Speed over ground in knots
N Fixed text N for knots
x.x Speed over ground in km/h
K Fixed text K for km/h
a Mode Indicator
A = Autonomous mode
D = Differential mode
N = Data not valid
*hh Checksum
<CR> Carriage Return
<LF> Line Feed
TPS1200 1368