System Description

SystemDescriptionandInstallationManualforRangeFinder ICD10000‐01
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©SagetechCorporation2018ConfidentialProprietaryExportControlled Page78of130
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Table8‐51ADS‐BModeStatusReportMessagePayloadStructureDetail
ReportTypeandStructureID
ByteOffset ByteName FieldDescription
00 RS0 RS0
(MSN)
RS0
(LSN)
RS1 RS2 ReportTypeandStructureID
01 RS1 0x2
0x2
0x2
0x2
0x2
0xF
0xF
0xF
0xF
0xF
0x6E
0x7E
0xFE
0x7F
0xFF
0x60
0xE0
0xE0
0xE0
0xE0
Version0TargetVersion1AirborneTarget
Version1SurfaceTarget
Version2AirborneTarget
Version2SurfaceTarget
02 RS2
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ReportTypeandStructureID
TheMostSignificantNibble(MSN)ofthebyteRS0containstheReportType.FortheModeStatusReport,thisfield
willalwayscontainavalueof0x2.ThisidentifiesthereportasaModeStatusReport.
TheremainingdataconstitutestheStructureID,whichindicatesthefieldsthatarebeingreported
inthecurrent
message.Ifthebitforthefieldissetto“ONE”,thenthedatafieldisavailableandincludedinthecurrentreport.If
thebitissetto“ZERO”,thisindicatesthatthefieldisnotreportedforthecurrentmessageandtheModeStatus
message
willnotincludethatfield.TheModeStatusMessagewillconcatenatethenextfieldtobeincludedinto
thereport,followingthepreviousreportedfield. Thisisperformedforeachdatafieldreported.
ThebelowtablefromD0‐260BoutlinestheStructureIDlayout:
ByteName Bit# ModeStatusDataParametertobeReporte d
RS0(LSN) 3
2
1
0
TimeofApplicability
ADS‐BVersion
CallSign
EmitterCategory
RS1 7
6
5
4
3
2
1
0
A/VLengthandWidthCode
Emergency/PriorityStatus
CapabilityCodes
OperationalMode
SVQuality–NAC
P
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SVQuality–NAC
V
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SVQuality–SIL,SILSupplement,SDA
SQQuality–GeometricVerticalAccuracy(GVA)
RS2 7
6
5
4
3
0‐2
SVQuality
–
NIC
BARO
True/MagneticHeading(HRD)
VerticalRateType
(Reservedfor)FlightModeSpecificData
Other(Reserved)
Reserved
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ValidityFlags
ByteOffset ByteName FieldDescription
03 VF0 Bit DataField(s)
 7
6
5
4
3
2
0‐1
CapabilityCodes
OperationalMode
SVQuality‐NACp
SVQuality‐NACv
SVQuality‐SIL
Emergency/PriorityStatus
Reserved
ValidityFlags
Theseflagsindicatewhetherornotthedatacontainedinthespecifiedfieldisvalidornot.Ifthebitissetto
“ONE”thenthedatafieldcontainsvalidinformation.Ifthebitissetto“ZERO”thenthedatafieldcontainsinvalid
information.
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