Simrad ST90 - NMEA RMC Datagram Format

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NMEARMCdatagramformat
TheNMEARMCdatagramtransfersthetime,date,position,courseandspeeddatafrom
aglobalnavigationsatellitesystem(GNSS)receiver.
Format
$--RMC,hhmmss.ss,A,llll.ll,a,yyyyy.yy,a,x.x,z.z,ddmmyy,r.r,a,a*hh
Description
1$—:Talkeridentier
2RMC:Datagramidentier
3hhmmss.ss:CoordinatedUniversalTime(UTC)ofthecurrentposition
4A:Status
A=Thedataarevalid.
V=Thedataarenotvalid.
5llll.ll,a:LatitudeNorth/South(Degrees,minutesandhundredths)
N=North
S=South
6yyyyy.yy,a:LongitudeEast/West(Degrees,minutesandhundredths)
W=West
E=East
7x.x:Speedoverground(knots)
8z.z:Courseoverground(DegreesTrue)
9ddmmyy:Date
10r.r,a:Magneticvariation,East/West(Degrees)
E=East
W=West
11a:Modeindicator
12*hh:Checksum
Relatedtopics
NMEAdatagramformats,page461
SimradST90InstallationManual