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ICAO code allocation ranges

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  • zkarj
    replied
    I wondered about that, but I have multiple messages over a period of 5 or 6 minutes for each. Below is my bespoke logging solution in which I log each unique identifier per minute.

    201712211650,534509
    201712211651,534509
    201712211652,534509
    201712211653,534509
    201712211654,534509

    201712172044,d40628
    201712172045,d40628
    201712172046,d40628
    201712172047,d40628
    201712172048,d40628
    201712172049,d40628

    Could it be someone has programmed their unit with a bogus code? Or have I spotted some top secret craft?

    The patch of sky I can see is a strip from roughly Tawa to Kapiti and, with sufficient altitude, a little of the Hutt Valley and even less of Cook Strait.

    Leave a comment:


  • Oblivian
    replied
    They're dud decodes by the looks

    Certainly not a range that flies over us here in NZ

    Happens when there is a bit of 'noise' or packet loss in the signals being received. And will see a 'start of hex' string and use the next 6 characters after it incorrectly

    Leave a comment:


  • zkarj
    started a topic ICAO code allocation ranges

    ICAO code allocation ranges

    This seems like the only forum to post such a question. Can anyone point me to an up-to-date listing of ICAO code allocations to countries etc? I've found versions of ICAO Annex 10 Vol 3 online dated 2007, but do not know if this is the latest, being 10 years old.

    I have a receiver which I have got logging local flights seeing as there is little of use to FR24 from my location. However, I have two codes picked up which I cannot identify even an allocation range for.

    534509
    d40628

    According to the 2007 allocation list, these numbers are not in any allocation range.
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