Data Sheet

ADH-tech
GP3906-TLP Data Sheet
Rev.A01
16
VTG—Course and speed information relative to the ground.
Table-9 contains the values for the following example：
$GPVTG,165.48,T,,M,0.03,N,0.06,K,A*37
VTG Data Format Table-9
Name
Example
Units
Description
Message ID
$GPVTG
VTG protocol header
Course
165.48
degrees
Measured heading
Reference
T
True
Course
degrees
Measured heading
Reference
M
Magnetic
(MTK does not support
magnetic declination.)
Speed
0.03
knots
Measured horizontal speed
Units
N
Knots
Speed
0.06
km/hr
Measured horizontal speed
Units
K
Kilometers per hour
Mode
A
A= Autonomous mode
D= Differential mode
E= Estimated mode
Checksum
*06
<CR> <LF>
End of message termination