I do not see XPDR targets or I receive my own XPDR (English)

  • Please enter your 24bit ICAO address in the system configuration of the AT-1
  • Please ensure that the transponder antenna is installed far away from the PowerFLARM ADS-B/XPDR receiving antenna
  • Make sure that you use a suitable range and data protocol setting

Connected moving maps, apps, and external displays:

1Your moving map system has to implement a XPDR warning in their software. 

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2 Kommentare

  • 0
    Benjamin Bukovec


    My ICAO address is correct. I suppose, without own ICAO address I would see myself even as Mode-S target.

    Transponder antenna is on the bottom of aircraft, powerflarm antena is at the windshield. More than 1m away.

    I do get alarm from time to time. It is immediately after takeoff, which I suppose is normal. Alarms starts however also later from time to time (at irregular intervals, every 10-15 minutes or so..) for some minutes, then stops. It is annoying and in long term could also be dangerous, because I am learning to ignore (mostly false) alarms.


  • 0
    Marc Förderer

    Hi Benjamin, sorry for the late reply, we have not seen your comment until now.

    Please update to the latest software (3.21), this will resolve an issue some users had with mode-c false alarms.

    Please contact our support directly if you have additional questions or we may help you.

    Best regards


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