View of SDRangel, it decodes the signal in the lower left, and shows 229°!

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   blinry (blinry@chaos.social)'s status on Monday, 11-Mar-2024 05:22:37 JST blinry

   46: Receive navigational aids for airplanes

   There are ground stations that emit a signal that allow calculating your angle relative to it! If you receive two, you can determine your position.

   I hear the one close to Hamburg! SDRangel has a decoder, of course! It outputs angles between 210° and 230°, which is pretty good! Don't think they are meant to be used from the ground.

   The neat navigational map is from https://skyvector.com!

   (Thanks, @fly_it!)