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OutputMessages
NMEA‐0183Messages
NMEA‐0183messages:Overview
WhenNMEA‐0183outputisenabled,asubsetofNMEA‐0183messagescanbeoutputtoexternal
instrumentsandequipmentconnectedtothereceiverserialports.TheseNMEA‐0183messageslet
externaldevicesuseselecteddatacollectedorcomputedbytheGNSSreceiver.
AllmessagesconformtotheNMEA‐0183version
3.01format.Allbeginwith$andendwitha
carriagereturnandalinefeed.Datafieldsfollowcomma(,)delimitersandarevariableinlength.
Nullfieldsstillfollowcomma(,)delimiters,butcontainnoinformation.
Anasterisk(*)delimiterandchecksumvaluefollowthelastfieldof
datacontainedinanNMEA‐
0183message.Thechecksumisthe8‐bitexclusiveofallcharactersinthemessage,includingthe
commasbetweenfields,butnotincludingthe$andasteriskdelimiters.Thehexadecimalresultis
convertedtotwoASCIIcharacters(0–9,A–F).Themostsignificantcharacterappearsfirst.
The
followingtablesummarizesthesetofNMEAmessagessupportedbythereceiver,andshows
thepagethatcontainsdetailedinformationabouteachmessage.
Message Function
GBS
GNSSsatellitefaultdetection(RAIMsupport)
GGA
Time,position,andfixrelateddata
GNS
GNSFixdata
GSA
GPSDOPandactivesatellites
GST
Positionerrorstatistics
GSV
NumberofSVsinview,PRN,elevation,azimuth,andSNR
HDT
HeadingfromTrueNorth
LLQ
Leicalocalpositionandquality
PTNL,AVR
Time,yaw,tilt,range,mode,PDOP,andnumberofSVsfor
MovingBaselineRTK
PTNL,BPQ
Basestationpositionandpositionqualityindicator
PTNL,DG
L‐bandcorrectionsandbeaconsignalstrengthandrelated
information
PTNL,GGK
Time,position,positiontype,andDOPvalues
PTNL,PJK
Time,position,positiontype,andDOPvalues
PTNL,VGK
Time,locatorvector,type,andDOPvalues