Furuno DS-50 Speed Log Data  為例

$VDVLW,0005293.53,N,0005293.53,N*5F

$VDVLW,xxxxx.xx,N,yyyyy.yy,N*hh

 

Item Definition Units
xxxxx.xx Total cumulative distance of vessel travel knots
N Units n/a
yyyyy.yy Distance recorded since reset of DS-50 unit knots
N Units n/a
*hh Checksum n/a

 

 

$VDVBW,011.04,000.09,A,011.04,000.09,V*46

$VDVBW,xxx.xx,yyy.yy,A,zzz.zz,ttt.tt,V*hh

Item Definition Units
xxx.xx Longitudinal water speed knots
yyy.yy Transverse water speed knots
A Status: water speed,A=data valid, V=data invalid n/a
zzz.zz Longitudinal ground speed knots
ttt.tt Transverse ground speed knots
V Status: ground speed, A=data valid, V=data invalid n/a
*hh Checksum n/a

 

 

 

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