USB Dongle Series Model:UD-731RUniTraQ International Corp. RoHS compliance.2010,08, Version 1.0 2510.6 VTG - COURSE OVER GROUND AND GROUND SPEEDThe Actual course and speed relative to the ground.Structure:GPVTG,x.x,T,x.x,M,x.x,N,x.x,K,a*hh1 2 3 4 5 6Example:$GPVTG,89.68,T,,M,0.00,N,0.0,K,A*5FField Name Example Description1 Course 89.68 True course over ground in degrees (000.0 ~ 359.9)2 Course Magnetic course over ground in degrees (000.0 ~359.9)3 Speed 0.00 Speed over ground in knots (000.0 ~ 999.9)4 Speed 0.00 Speed over ground in kilometers per hour (0000.0 ~1800.0)5 Mode AMode indicator‘N’ = not valid‘A’ = Autonomous mode‘D’ = Differential mode‘E’ = Estimated (dead reckoning) mode‘M’ = Manual input mode‘S’ = Simulator mode6 Checksum 5F
