UniTraQ UD-731N, Руководство пользователя

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USB Dongle Series Model:UD-731N
UniTraQ International Corp.
RoHS compliance
.
2011,01, Version 1.1
22
10.6 VTG - COURSE OVER GROUND AND GROUND SPEED
The Actual course and speed relative to the ground.
Structure:
GPVTG,x.x,T,x.x,M,x.x,N,x.x,K,a*hh<CR><LF>
1 2 3 4 5 6
Example:
$GPVTG,89.68,T,,M,0.00,N,0.0,K,A*5F<CR><LF>
Field Name Example Description
1 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 A
Mode indicator
‘N’ = not valid
‘A’ = Autonomous mode
‘D’ = Differential mode
‘E’ = Estimated (dead reckoning) mode
‘M’ = Manual input mode
‘S’ = Simulator mode
6 Checksum 5F