RoyalTek Onyx RFG-2000, Руководство пользователя, Страница: 24 / 27

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Checksum *14
*hh
＜
CR
＞＜
LF
＞ End of message termination
VTG
－
Course over ground and ground speed
Course and speed.
$GPVTG,h.h,T,m.m,M,s.s,N,s.s,K,M*hh<CR><LF>
Example:
$GPVTG,202.60,T,,,0.38,N,0.7,K,A*0D
Name Example Units Description
Message ID $GPVTG
VTG protocol header
Heading
202.60 Degrees
h.h
Heading Units T
Letter T
Magnetic Heading Degrees
m.m
This value is available if magnetic model
data has been stored to the flash memory
Magnetic Heading
Units
Letter M
Speed, Knots 0.38 Knots
s.s
Speed, knots.
Speed Unit N Letter N
Speed
0.7 km/h
s.s
K Letter of K
Mode Indicator A
A=autonomous
N=data not valid
Checksum *0D *hh
＜
CR
＞＜
LF
＞ End of message termination