Simrad ST90 - NMEA VTG Datagram Format; NMEA ZDA Datagram Format

442703/B
471
Relatedtopics
NMEAdatagramformats,page461
NMEAVTGdatagramformat
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)
7a:Modeindicator
A=Autonomous
D=Differential
N=Datanotvalid
8*hh:Checksum
Relatedtopics
NMEAdatagramformats,page461
NMEAZDAdatagramformat
TheNMEAZDAdatagramcontainstheuniversaltimecode(UTC),day,month,year
andlocaltimezone.
Format
$--ZDA,hhmmss.ss,xx,yy,zzzz,hh,mm*hh<CR><LF>
Description
Thisdescriptionisnotcomplete.Foradditionaldetails,refertotheNMEAstandard.
1$—:Talkeridentier
Datagramformats