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Key Modules For Your Success
6. VTG data set
VTG---Course Over Ground and Ground Speed
Table 10 contains the values for the following example:
$GPVTG,309.62,T, ,M,0.13,N,0.2,K*6E<CR> <LF>
Name
Example
Message ID
$GPVTG
Course
309.62
Reference
T
Course
M
Speed
0.13
Units
N
Speed
0.2
Units
K
Checksum
*6E
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Description
VTG protocol header
degrees
Measured heading
True
degrees
Reference
<CR> <LF>
Units
Measured heading
Magnetic
knots
Measured horizontal speed
Knots
km/hr
Measured horizontal speed
Kilometer per hour
End of message termination
13