NMEABridgeOperationandInstallationHandbook 9
Data NMEAHeader
GPSSatelliteAzimuth GSV
GPSSatelliteElevation GSV
GPSSatellitePRNumber GSV
GPSSatelliteSNR GSV
GPSDifferentialStationID GGA
GPSDifferentialAGE GGA
GPSNumberofSatellites GGA
GPSAntennaHeight GGA
GPSQualityIndicator GGA
Heading(MagneticorTrue) HDM,HDG,VHW,HDT
Latitude&Longitude GGA,GLL*
LockedHeading HSC
MOB(Cancel) PNATA
Route WPL
SpeedOverGround VTG
SpeedThroughwater VHW
Temperature,Water MTW
Time ZDA
TimeOffset ZTG
TrueWindAngle MWV
Variation HDG
WaypointDestinationNo. APB, BWC
WaypointArrivalAlarm APB,AAM
WaypointDistance BWC
WaypointTimeToGo ZTG
*GLLversion1.5istransmittedifversion1.5isreceivedvia
NMEA.IfGLLversion2.0isreceivedviaNMEA,GLLversion
2.0willbetransmitted.