MAESTRO WIRELESS SOLUTIONS
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E PACK | USER MANUAL VERSION 2.3
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$GPVTG,0.0,T,0.3,M,0.0,N,0.0,K,A*20
Parameters
Description
MID VTG Parameters
MID
VTG Protocol Header
Example
–
$GPVTG
Course
Measured heading
Example
–
0.0 degrees
Reference
True
Example
–
T
Course
Measured heading
Example
–
0.3 degrees
Reference
Magnetic
(1)
Example
–
M
Speed
Measured horizontal speed
Example
–
0.0 knots
Units
Knots
Example
–
N
Speed
Measured horizontal speed
Example
–
0.0 km/hr
Units
Kilometers per hour
Example
–
K
Mode
Indicates
A
–
Autonomous
D
–
DGPS
E
–
DR
N
–
Output Data Not Valid
R
–
Course Position
(2) (3) (4)
S
–
Simulator
Example
–
A
Checksum
*20
<CR><LF>
End of message termination
Table 9.8-4: VTG Data Format
(1)
CSR does not support magnetic declination. All
“
course over ground
”
data are
geodetic WGS84 directions.
