ARINC_743A-4_GNSS_SENSOR.pdf
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ARINC_743A-4_GNSS_SENSOR.pdf
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GNSSSENSORARINCCHARACTERISTIC743A-4PUBLISHED:
December27,2001ANDOCUMENTPreparedbyAIRLINESELECTRONICENGINEERINGCOMMITTEEPublishedbyAERONAUTICALRADIO,INC.2551RIVAROAD,ANNAPOLIS,MARYLAND21401Thisdocumentisbasedonmaterialsubmittedbyvariousparticipantsduringthedraftingprocess.NeitherAEECnorARINChasmadeanydeterminationwhetherthesematerialscouldbesubjecttovalidclaimsofpatent,copyrightorotherproprietaryrightsbythirdparties,andnorepresentationorwarranty,expressorimplied,ismadeinthisregard.Anyuseoforrelianceonthisdocumentshallconstituteanacceptancethereof“asis”andbesubjecttothisdisclaimer.Copyright2001byAERONAUTICALRADIO,INC.2551RivaRoadAnnapolis,Maryland21401-7465USAARINCCHARACTERISTIC743A-4GNSSSENSORPublished:
December27,2001PreparedbytheAirlinesElectronicEngineeringCommitteeCharacteristic743AAdoptedbytheAirlinesElectronicEngineeringCommittee:
October9,1991Characteristic743AAdoptedbytheIndustry:
December9,1991SummaryofDocumentSupplementsSupplementAdoptionDatePublishedCharacteristic743A-1October20,1993November9,1993Characteristic743A-2November2,1995December31,1995Characteristic743A-3October15,1997January5,1998Characteristic743A-4October24,2001December27,2001Adescriptionofthechangesintroducedbyeachsupplementisincludedongoldenrodpaperattheendofthisdocument.iiFOREWORDActivitiesofAERONAUTICALRADIO,INC.(ARINC)andthePurposeofARINCCharacteristicsAeronauticalRadio,Inc.isacorporationinwhichtheUnitedStatesscheduledairlinesaretheprincipalstockholders.Otherstockholdersincludeavarietyofotherairtransportcompanies,aircraftmanufacturersandnon-U.S.airlines.ActivitiesofARINCincludetheoperationofanextensivesystemofdomesticandoverseasaeronauticallandradiostations,thefulfillmentofsystemsrequirementstoaccomplishgroundandairbornecompatibility,theallocationandassignmentoffrequenciestomeetthoseneeds,thecoordinationincidenttostandardairbornecompatibility,theallocationandassignmentoffrequenciestomeetthoseneeds,thecoordinationincidenttostandardairbornecommunicationsandelectronicssystemsandtheexchangeoftechnicalinformation.ARINCsponsorstheAirlinesElectronicEngineeringCommittee(AEEC),composedofairlinetechnicalpersonnel.TheAEECformulatesstandardsforelectronicequipmentandsystemsfortheairlines.TheestablishmentofEquipmentCharacteristicsisaprincipalfunctionofthisCommittee.AnARINCEquipmentCharacteristicisfinalizedafterinvestigationandcoordinationwiththeairlineswhohavearequirementoranticipatearequirement,withotheraircraftoperators,withtheMilitaryserviceshavingsimilarrequirements,andwiththeequipmentmanufacturers.ItisreleasedasanARINCEquipmentCharacteristiconlywhentheinterestedairlinecompaniesareingeneralagreement.SuchareleasedoesnotcommitanyairlineorARINCtopurchaseequipmentsodescribednordoesitestablishorindicaterecognitionoftheexistenceofanoperationalrequirementforsuchequipment,notdoesitconstituteendorsementofanymanufacturersproductdesignedorbuilttomeettheCharacteristic.AnARINCCharacteristichasatwofoldpurpose,whichis:
(1)Toindicatetotheprospectivemanufacturersofairlineelectronicequipmenttheconsideredopinionoftheairlinetechnicalpeople,coordinatedonanindustrybasis,concerningrequisitesofnewequipment,and
(2)Tochannelnewequipmentdesignsinadirectionwhichcanresultinthemaximumpossiblestandardizationofthosephysicalandelectricalcharacteristicswhichinfluenceinterchangeabilityofequipmentwithoutseriouslyhamperingengineeringinitiative.ARINCCHARACTERISTIC743ATABLEOFCONTENTSITEMSUBJECTPAGEiii1.0INTRODUCTION11.1PurposeofThisDocument11.2SummaryofGNSSSystemOperationalCharacteristics11.2.1OperationalConsideration11.2.2IntegrityMonitoring11.2.3DifferentialCorrections11.2.4WideAreaAugmentationSystemProvisions11.2.5PredictiveRAIM11.2.6AirplanePersonalityDataMessage(APDM)11.2.7FinalApproachSegment(FAS)DataMessage(FASDM)11.3BriefDescriptionoftheSystem11.3.1GNSSSensorFunctions21.3.2ControlandDisplayFunctions21.3.3ControlandDisplayUnit(CDU)orAlternateControlDisplayFunctions21.3.4GNSSSensor21.3.5Antenna/Preamplifier/Filter31.4Interchangeability31.5RegulatoryApproval31.6Reliability31.7TestabilityandMaintainability31.8UnitIdentification32.0INTERCHANGEABILITYSTANDARDS42.1Introduction42.2SystemElements42.2.12MCUConfiguration42.2.2AlternateConfiguration42.2.3ControlandDisplay42.2.4AntennaFormFactor42.2.5DataLoader42.3StandardizedSignaling42.4StandardInterwiring42.5PowerCircuitry42.5.1General42.5.2GNSSSensorPowerCircuitry42.6EnvironmentalConditions53.0GNSSSENSORSYSTEMDESIGN63.1General63.2SystemApplication63.3GeneralSystemCapabilities63.3.1DifferentialGPSCapabilities63.4SpecificSystemCapabilities63.4.1AcquisitionTime63.4.2DegradedPerformance64.0GNSSSENSORDESIGN74.1Introduction74.2Integrity74.3Modes74.3.1NormalAcquisition74.3.2AbnormalAcquisition74.3.3Navigation74.3.4Altitude/ClockAidingMode84.3.5AidedMode84.3.6GroundBasedAugmentationSystem(GBAS)84.3.6.1SCATIMode84.3.6.2GBASNAV84.3.6.2.1LAASExcludingPrecisionApproach84.3.6.2.2LAASPrecisionApproach94.3.6.2.2.1GeneralFunctionRequirements94.3.6.2.2.2GLSwithanExternalGNSSU9ARINCCHARACTERISTIC743ATABLEOFCONTENTSITEMSUBJECTPAGEiv4.3.6.2.2.2.1GLSwithaPrecisionApproachNavigation(PAN)FunctionExternaltotheGNSSU94.3.6.2.2.2.2GLSwithaPANInternaltotheGNSSU94.3.7DifferentialGLONASS94.3.8SatelliteBasedAugmentationSystem(SBAS)94.3.8.1SBASNav94.3.8.1.1WAASPrecisionApproachMode94.3.8.1.2.1WAASPrecisionApproachModePrecisionApproachNavigatorFunctionality94.3.9SelfTestMode94.3.10InitializationMode94.3.11FaultMode94.4SystemInterfaces94.4.1DigitalDataInputs104.4.1.1InitializationInputs104.4.1.2InertialInputs(ARINCCharacteristics704,738and561104.4.1.3ADCInputs104.4.1.4MagneticCompassInput104.4.1.5IntegrityInput104.4.1.6DifferentialInput104.4.2DigitalDataOutputs104.4.2.1GNSSMeasurementBlock104.4.2.2SSMOperation104.4.2.3NavigationDataBlock114.4.3DiscreteInputs114.4.4DiscreteOutputs114.4.4.1TimeMarkOutput114.4.5Power114.4.5.12MCUConfigurationPower114.4.5.2AlternateConfigurationPower114.5.SensorPerformance(2MCUConfiguration)114.5.1AcquisitionSensitivity(2MCUConfiguration)114.5.2TrackingSensitivity(2MCUConfiguration)124.5.3In-BandSignalRejection(2MCUConfiguration)124.5.3.1WithAeronauticalMobileSatelliteService(AMSS)12onSameAircraft(2MCUConfiguration)4.5.3.2WithoutAeronauticalMobileSatelliteService(AMSS)12onSameAircraft(2MCUConfiguration)4.5.3.3PulseSignalRejection(2MCUConfiguration)124.5.4SignalRejection(2MCUConfiguration)124.5.4.1Out-of-BandContinuousWave(CW)SignalRejection12(2MCUConfiguration)4.5.4.2Out-ofBandPulseSignalRejection(2MCUConfiguration)134.5.5BurnoutProtection(2MCUConfiguration)134.5.6SensorRFInterface(2MCUConfiguration)134.5.6.1Connector(2MCUConfiguration)134.5.6.2SensorInputImpedance(2MCUConfiguration)134.5.6.3SensorImpedanceandStability(2MCUConfiguration)134.5.6.4PreamplifierPower(2MCUConfiguration)134.6SensorPerformance(AlternateConfiguration)134.6.1AcquisitionSensitivity(AlternateConfiguration)134.6.2TrackingSensitivity(AlternateConfiguration)134.6.3In-BandSignalRejection(AlternateConfiguration)134.6.3.1WithAeronauticalMobileSatelliteService(AMSS)14onSameAircraft(AlternateConfiguration)4.6.3.2WithoutAeronauticalMobileSatelliteService(AMSS)14onSameAircraft4.6.3.3PulseSignalRejection(AlternateConfiguration)144.6.4Out-of-BandSignalRejection(AlternateConfiguration)144.6.5BurnoutProtection(AlternateConfiguration)144.6.6SensorRFInterface(AlternateConfiguration)144.6.6.1Connector(AlternateConfiguration)144.6.6.2SensorInputImpedance(AlternateConfiguration)14ARINCCHARACTERISTIC743ATABLEOFCONTENTSITEMSUBJECTPAGEv4.6.6.3SourceImpedanceandStability(AlternateConfiguration)144.7LocationoftheGNSSFunction145.0INTEGRATEDANTENNA/PREAMPLIFIER/FILTERDESIGN155.1Introduction155.2ActiveAntennaRequirements(GPSOnly)155.2.1PreamplifierGain155.2.2PrecipitationStatic155.2.3ImpedanceandVSWR155.2.4PreamplifierBias155.3PhysicalCharacteristics(GPSOnly)155.3.1Size,WeightandConnector155.3.2Installation155.3.3CoaxInterface155.3.4EnvironmentalConditions155.4Antenna/Preamplifier/FilterRequirements(GPS/GLONASS)155.4.1Antenna/PreamplifierCarrierAndNoiseRequirements155.4.2PreamplifierGainCompression155.4.3PreamplifierSelectivity155.4.4ImpedanceandVSWR165.4.5PreamplifierStability165.4.6BurnoutProtection165.4.7PreamplifierBias165.5PhysicalCharacteristics(GPS/GLONASS)165.5.1Size,Weight,andConnector165.5.2Installation165.5.3CoaxInterface165.5.4EnvironmentalConditions165.6ReferenceTestSetup166.0PASSIVEANTENNADESIGN176.1Introduction176.2AntennaPerformanceCharacteristics176.2.1OperatingFrequency176.2.2ImpedanceandVSWR176.2.3RadiationPattern,PolarizationandAxialRatio176.2.4Gain176.2.5DCShortCircuit176.2.6PrecipitationStatic176.3PhysicalCharacteristics176.3.1Size,Weight,andConnector176.3.2Installation176.3.3RainandDe-icingFluidSusceptibility176.3.4EnvironmentalConditions176.4ReferenceTestSetup187.0BITE197.1GNSSSensorBITE197.2PurposeoftheOMS19ATTACHMENTS1GNSSSensorUnitSignalInput/OutputSchematic202GNSSSensorUnit,AlternateConfigurationDiagram213-1GNSSSensorUnit,2MCUConfiguration223-2GNSSSensorUnit,AlternateConfiguration254-1ARINC429InputDataforGNSS274-1ANotesforARINC429Inputs284-2ARINC429OutputDataforGNSS294-2AARINC429LabelDefinitions334-3DiscreteARINC429InputDefinitionforGNSSSensor404-4ARINC429SSMDefinitionforGNSSSensor415-1GPS2MCUConfigurationInterferenceLevel44ARINCCHARACTERISTIC743ATABLEOFCONTENTSITEMSU
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