System Description

System Description and Installation Manual for MXS ICD10004-01
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Estimated East/West Velocity
Byte Offset Byte Name Field Description
44
EE0 The MXS does not transmit Estimated Velocity.
45
EE1
Surveillance Status
Byte
Offset
Byte Name Field Description
46
SS0
SS0
(MSN)
Surveillance Status
0x0
0x2
0x4
0x6
0x7-
0xF
No Condition Information Available
Permanent Alert Condition (Emergency)
Temporary Alert Condition (Change in Mode Identity Code other than emergency condition)
Special Position Identification (SPI) Condition
Reserved
SSO
(LSN)
Intent Change Flag
0x0
0x1
0x2
0x3-
0xF
No Change in Intent
Reserved
Intent Change
Reserved
Surveillance Status
This field reports two sets of data. The most significant nibbles (MSN) reports the surveillance status of
the ADS-B participant. The least significant nibble (LSN) reports the Intent Change Flag of the ADS-B
participant.