Simrad ST90 - NMEA HDG Datagram Format

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6A:Status
A=Thedataarevalid.
V=Thedataarenotvalid.
7a:Modeindicator
8*hh:Checksum
Relatedtopics
NMEAdatagramformats,page461
NMEAHDGdatagramformat
TheNMEAHDGdatagramprovidesheadingfromamagneticsensor.Ifthisreadingis
correctedfordeviation,itproducesthemagneticheading.Ifitisoffsetbyvariation,it
providesthetrueheading.
Format
$--HDG,x.x,z.z,a,r.r,a*hh<CR><LF>
Description
1$—:Talkeridentier
2HDG:Datagramidentier
3x.x:Heading(DegreesMagnetic)
4z.z,a:Deviation(DegreesMagnetic),East/West
E=East
W=West
5r.r,aVariation(DegreesMagnetic),East/West
E=East
W=West
6*hh:Checksum
Relatedtopics
NMEAdatagramformats,page461
SimradST90InstallationManual