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Commercial Flights Are Experiencing 'Unthinkable' GPS Attacks and Nobody Knows What to Do
  • Yes Galileo supports encryption. But as far as I know it's not in use. Has been trialled only. But I know all Airbus aircraft only support GPS satellites and nothing else (yet). I assume Boeing, being American would be the same then.

    As far as solutions go, an aircraft can navigate fine without GPS. It can update its position from ground navigation aids and if they are not available it can still Dead Reckon very well. The navigation error very slowly grows until it's out of the black spot and can use GPS or navigation aid to increase its accuracy. But this navigation error on the time frame of say an hour is a matter of kilometers at most, not dozens.

  • Hamilton and Leclerc disqualified from USGP
  • I read that the FIA keeps an eye on porpoising and that is the reason HAM and LEC got selected for a test. Because a high degree of porpoising might result in high wear on the skid plates. So there is some kind of logic that makes sense there. I guess they had to check at least VER and NOR to make sure their logic held up.

    Found the source (in Dutch): https://nl.motorsport.com/f1/news/diskwalificatie-lewis-hamilton-charles-leclerc-gp-amerika-fia-controle-auto-max-verstappen/10536672/

    Google translate of relevant section:

    For example, the FIA ​​informed this website a little later in the evening that it is making a reasoned decision. "Of course we are not blind to what is happening around us." It means that the FIA ​​looks, among other things, at the so-called porpoising matrix when selecting the cars. This porpoising overview shows the bouncing of the cars, which logically has an effect on the wear of the floorboards. Cars that stand out have a greater chance of being examined more closely than others. For example, the FIA ​​has the impression that Sainz and George Russell drove with a higher ride height than their teammates, which would mean they would be in a good position.

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    Lafrack @lemmy.world
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