Simrad TV80 - NMEA VLW Datagram; NMEA VTG Datagram

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406388/B
NMEAVLWdatagram
TheNMEAVLWdatagramcontainsthetravelleddistanceofthevessel.
Format
$--VLW,x.x,N,y.y,N,z.z,N,g.g,N*hh<CR><LF>
Description
1$—:Talkeridentier
2VLW:Datagramidentier
3x.x,N:Waterdistance,Totalcumulative(Nauticalmiles)
4y.y,N:Waterdistance,Sincereset(Nauticalmiles)
5z.z,N:Grounddistance,Totalcumulative(Nauticalmiles)
6g.g,N:Grounddistance,Sincereset(Nauticalmiles)
7*hh:Checksum
NMEAVTGdatagram
TheNMEAVTGdatagramcontainstheactualcourseandspeedrelativetotheground.
Format
$--VTG,x.x,T,y.y,M,z.z,N,g.g,K,a*hh<CR><LF>
Description
1$—:Talkeridentier
2VTG:Datagramidentier
3x.x,T:Courseoverground(DegreesTrue)
4y.y,M:Courseoverground(DegreesMagnetic)
5z.z,N:Speedoverground(knots)
6g.g,K:Speedoverground(km/hr)
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