Simrad ST90 - NMEA GGK Datagram Format

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442703/B
3hhmmss.ss:CoordinatedUniversalTime(UTC)ofthecurrentposition
4llll.ll,a:LatitudeNorth/South(Degrees,minutesandhundredths)
N=North
S=South
5yyyyy.yy,a:LongitudeEast/West(Degrees,minutesandhundredths)
E=East
W=West
6x:QualityindicatorfortheGPS(GlobalPositioningSystem)
RefertotheNMEAstandardforfurtherinformationabouttheGPSqualityindicator.
7zz:Numberofsatellitesinuse(00-12)
Thenumberofsatellitesmaybedifferentfromthenumberinview.
8d.d:HDOP(Horizontaldilutionofprecision)
9a.a,M:Altituderelatedtomeansealevel(geoid)(Metres)
10g.g,M:Geoidalseparation(Metres)
11r.r:AgeofGPS(GlobalPositioningSystem)data
12cccc:Differentialreferencestationidentication(0000-1023
13*hh:Checksum
Relatedtopics
NMEAdatagramformats,page461
NMEAGGKdatagramformat
TheNMEAGGKdatagramisusedtodecodethePTNL,Time,Position,TypeandDOP
(DilutionofPrecision)stringoftheNMEA0183output.
Format
$--GGK,hhmmss.ss,ddmmyy,nnnnn.nnnnnnnn,a,yyyyy.yyyyyyyy,a,x,zz,w.w,EHTeeeeee,u*hh<CR><LF>
Description
1$—:Talkeridentier
2GGK:Datagramidentier
3hhmmss.ss:CoordinatedUniversalTime(UTC)ofthecurrentposition
4ddmmyy:Day,monthandyear
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