Rgm-3600 operational manual – RoyalTek RGM-3600 User Manual
Page 15
15
RGM-3600 Operational Manual
Checksum
*10
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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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