System Description
System Description and Installation Manual for MXS ICD10004-01
© Sagetech Corporation 2018 Confidential Proprietary Export-Controlled Page 154 of 160
Step Message Msg
Direction
Field Name
18
Data Values (Hex) Data/Functional Description SDIM
NAC
v
[00] Unknown or >= 10 m/s
Checksum [C4]
7
Receive and decode Acknowledge Message (ACK)
ACK Received
by host
Start Byte [AA] 14.26.4.2
Mess Type [80]
Mess ID [07]
Packet Len [05]
Ack’d Mess Type [04] ACK message is returned to indicate that MXS received the GPS Data
Message.
ACK is sent prior to System State byte update to clear GPS Data fail
flag.
System State [00] Extended Squitter fail flag is cleared assuming ADS-B Out Messages
are transmitting at required rates
Pressure Altitude [00 02 77]
Checksum [AC]
8
Send Target Request Message
Start Byte [ AA ] 13.76.3.7
Message Type [ 0B ]
Message ID [ 0B ]
Packet Len [ 07]