System Description

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SystemDescriptionandInstallationManualforRangeFinder ICD10000‐01

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©SagetechCorporation2018ConfidentialProprietaryExportControlled Page70of130

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ReportTimesofApplicability

ByteOffset ByteName FieldDescription

09 RA0 RA0 RA1 RA2 RA3 RA4 RA5 ReportedTimeofApplicability

10 RA1

00x00 0x58 00x00 0x70 0x00 0x80 EstimatedPositionandVelocity:0.6875

seconds

Position:0.875seconds

Velocity:1.000seconds

11 RA2

12 RA3

0x28 0x30 0x28 0x52 0x28 0x60 EstimatedPositionandVelocity:80.375

seconds

Position:80.641seconds

Velocity:80.750seconds

13 RA4

14 RA5 ReportTimesofApplicability

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TheReportTimesofApplicabilityfieldcontainstimestampscreatedwhenanADS‐Bmessageis

receivedbythemessageprocessororwhenthemessageprocessorupdatestheSVreport.Thetime

stampisbasedontheRangeFinder’sestablishedreceiverunittime.EachTOAisformattedinunitsof

1/128second.

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Thefirsttwobytesofthismessage(RA0andRA1)containthetimeofapplicabilityfortheestimated

positionfield.ThevalueisthetimestampcreatedwhentheSVreportwasupdatedwithcurrent

estimatedpositiondata.

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Thenexttwobytesofthismessage(RA2andRA3)containthepositiontimeofapplicability.Thevalue 

isthetimestampcreatedwhentheAirborneorSurfacePositionMessagewasreceived.

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Thelasttwobytesofthismessage(RA4andRA5)containthevelocitytimeofapplicability.Thevalue

isthetimestampcreatedwhentheAirborneVelocityMessageorSurfacePositionMessagewas

received.

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Latitude

ByteOffset ByteName FieldDescription

15 EL0 EL0 EL1 EL2 Latitude 

16 EL1 0x28

0x19

0xCB

0x00

0x28

0x54

0x80

0x60

0xE9

56.252747Degrees

35.378036Degrees

‐74.064825Degrees

17 EL2

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Latitude

Thedataissentasa24‐bit2’scomplementnumber:

SMdddddddddddddddddddddL

TheSbitindicateswhetherthedataispositive(North)ornegative(South).IftheSbitissetto“ONE”

thenthedataisnegative,ifsetto“ZERO”thenthedataispositive.TheresolutionoftheMbitis90

degrees.TheresolutionoftheLbitis180/2

(~0.0000215)degrees.

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