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RGM-3600 Operational Manual
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VTG-Course Over Ground and Ground Speed
Table 7 contains the values of the following example:
$GPVTG, 309.62, T, , M, 0.13, N, 0.2, K*6E
Table 7
VTG Data Format
Name Example
Units Description
Message ID $GPVTG
VTG protocol header
Course 309.62 degrees
Measured heading
Reference T True
Course degrees
Measured heading
Reference M Magnetic
Speed 0.13 knots Measured horizontal speed
Units N Knots
Speed 0.2 km/hr Measured horizontal speed
Units K Kilometer per hour
Checksum *6E
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