System Description

ManualsBrandsSagetech Avionics ManualsElectronicsMode A/C/S Transponder

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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111of130

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TransponderCapability

ByteOffset Byte

Name

FieldDescription

03 CA0 Code Description

 0x00

0x01

0x02

0x03

0x04

0x05

0x06

0x07

0x80–0xFF

SignifiesLevel1transponder(surveillanceonly)

Reserved

AbilitytoCAcode7andontheground

AbilitytoCAcode7andairborne

AbilitytoCAcode7andeitherongroundorairborne

SignifiesDRisnotZero,orFSequals 2,3,4,5andeitheronthegroundorairborne

Reserved

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Range

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

00 RA0 RA0 RA1 RangeData

01 RA1 0x00

0x00

0x0F

0x28

0x40

0xFF

0x00

0x01

0xFF

0x00

0xFF

0.00000000NM

0.00390625NM

15.99609375NM

40.00000000NM

64.00000000NM

255.99609375NM

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Range

[AltitudeMSB][AltitudeLSB]:(MSBissentfirst)

Rangeissentinthefollowing16bitunsignednumberformat:dddddddddddddddd

Dataresolutionis0.0390625NM:lsb=2**‐8

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Table8‐72ATCRBSModeSAll‐CallInterrogationResponseMessagePayloadStructureExampleData

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 MessageField ByteValues(original) ByteMessageContent(Hex)

 StartByte AA [AA]

 MessageType 0xA3

–

ATCRBSModeSAll‐CallInterrogation [A3]

 MessageID Anarbitrarynumberbetween0and255(inclusive)that

uniquelyidentifiesthemessage.

[00]

 PayloadLength  [46]

PAY‐

LOAD

AircraftAddress

/TransponderCapability

/Range

ResponsesfromATCRBSModeSAll‐CallInterrogation [00000000000001000000000002……….10

000000000000]

 Checksum 8‐bitarithmeticsumofmessagefromStartBytetolast

byteofthePayloadData.

[A6]