Simrad TV80 - NMEA GGA Datagram

406388/B
277
Tip
Ifyouneedthedepthbelowthekeel,usetheNMEADBKdatagram.Ifyouneedthedepth
belowthetransducer,usetheNMEADBTdatagram.
NMEAGGAdatagram
TheNMEAGGAdatagramtransfersthetime,positionandxrelateddatafromaglobal
positioningsystem(GPS).
Format
$--GGA,hhmmss.ss,llll.ll,a,yyyyy.yy,a,x,zz,d.d,a.a,M,g.g,M,r.r,cccc*hh
Description
1$—:Talkeridentier
2GGA:Datagramidentier
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)
RefertotheNMEAstandardforfurtherinformationoftheGPSqualityindicator.
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
Datagramformats