Re:Gatwick drones: Two arrested over flight disruption
by sergiosgc on Saturday December 22, 2018 @07:14AM
(#18740253)
> (...) I don't believe they need GPS signal on takeoff/landing, they use older tech for that.
Much older. The basic "stack" uses radio beacons, not greatly different from early XX century tech. The more advanced Instrument Landing System is quite a bit more complex, but in very basic terms is a set of radio beacons that define a glide path. It is local, and requires no GPS.
Much older. The basic "stack" uses radio beacons, not greatly different from early XX century tech. The more advanced Instrument Landing System is quite a bit more complex, but in very basic terms is a set of radio beacons that define a glide path. It is local, and requires no GPS.