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  • Raw Data Format

    I would like to decode the Raw data format on port 30002 (dump1090) for private use.

    @022908C312908F4BB84CEA4A5864011C088A741D;
    @022908C87FFC5D4B1882016F50;
    @022908CABF9C8D06A1019911F39230042E3210D7;

    Is there any format description for this format?

  • #2


    Page 6. You can break it up and enter into windows calculator in decimal mode and change it to binary.

    It's how we can decode us hex into expected registration

    Sent from my XT1092 using Tapatalk
    Posts not to be taken as official support representation - Just a helpful uploader who tinkers

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    • #3
      Thanks for the link.

      Comment


      • #4
        Why are there 2 different Lenght of messages?
        I can now understand the longer messages, but the shorter does not make any sense for me.
        Which data are send within the shorter message?

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        • #5
          Probably different types.

          Need to decode the start to find the message format. Some are replies to ground interrogation, some are Mode-S only, some then send ES (more data)

          Sinds de oprichting van het KNMI in 1854 wordt in de bibliotheek literatuur verzameld op het gebied van: meteorologie, klimatologie, (fysische) oceanografie en geofysica -met name seismologie.


          Message type
          Downlink Format
          Content
          ADS-B (56 bits)
          DF0 Short air to air ACAS (BDS 0.E)
          DF4 Surveillance altitude
          DF5 Surveillance identity
          DF11 Mode-S only all call reply
          ADS-B ES (112 bits)
          DF17 Airborne position (BDS 0.5)
          Surface position (BDS 0.6)
          Extended squitter status (BDS 0.7)
          Aircraft type and ID (BDS 0.8)
          Airborne velocity (BDS 0.9)
          Posts not to be taken as official support representation - Just a helpful uploader who tinkers

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