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Why a thunderstorm between my location and a plane can expand the range (1.090MHz)?

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  • Why a thunderstorm between my location and a plane can expand the range (1.090MHz)?

    Hello,

    from my location I'd normaly have maximum distances in the north between 230 and 245 nm (to Denmark Esbjerg/Kolding ~400km).

    Two days ago was a thunderstorm in the north of my location, and I've ranges up to 350.9nm (TAR1090 ~639km) ... I can't belive ... from Germany (in the near of Bielefeld) to 40nm in front of the swedish south coast.
    I've visit the FR24 webside to confirm the position of the plane, and it was absolutly correct!

    My VirtualRadarServer show not only a peak (in reciever range) it show a route ... for 10-20 seconds.

    Can you tell my how this "works"?

    Greetings Gerald
    Last edited by GK367; 2021-06-20, 11:16.

  • #2
    It's likely not the thunderstorm but rather this phenomenon: https://en.wikipedia.org/wiki/Tropospheric_propagation

    It requires for air masses to be stacked in certain ways but it isn't specifically connected to thunderstorms.

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    • #3
      Dear Mr. Wiedehopf,

      WOW ... thank you for that intersting informatíon!

      Greetings
      Gerald

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