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Wrong altitude readings - is it a receiver problem?

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  • #16
    Thanks for your reports. We do support Mode-C encoded 100ft increments altitude reports, but there was a problem with returning 0ft rather than "INVALID" when wrong code was received. I've fixed that now and will update receivers soon but I'd appreciate an example of a valid frame that FR24 software decoded as 0ft so I can test it here.

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    • #17
      Hi piopawlu,

      Not sure does these AVR logs help, but I have FR24 box received data which includes that N446MM (A56206) plane transmitted DF17 (and also all other messages) frames from two different flights.

      https://dl.dropboxusercontent.com/u/...446MM_short.7z
      https://dl.dropboxusercontent.com/u/..._raw_N446MM.7z

      ------
      Laxlou

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      • #18
        Thanks for your data, I've fixed the problem and will roll out the new version tomorrow morning. It may take a few days before all receives get the update as we don't want to update them all at once.

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        • #19
          piopawlu,
          Thank you very much for your support. It seems there are currently only very few aircraft indicating randomly 0 ft altitude. What is the status of the F-receiver new software version roll out?
          -mohair

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          • #20
            It's currently installed on about 75% of our receivers.

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