Vtg-course over ground and ground speed, Reb-3300 operational manual – RoyalTek REB-3300 User Manual
Page 19
19
REB-3300 Operational Manual
Course Over
Ground
309.62 degrees
True
Date 120598
ddmmyy
Magnetic Variation
degrees
E=east or W=west
Checksum *10
CRLF
End of message termination
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
CRLF
End of message termination