Automatic Dependent Surveillance-Broadcast(ADS-B)

Definition

A surveillance technology where aircraft determine position via GPS and broadcast it along with identification, altitude, and velocity. ADS-B Out is mandatory in most controlled airspace since January 2020.

Related Terms

Transponder

An aircraft electronic device that responds to ATC radar interrogation by transm...

Global Positioning System(GPS)

A satellite-based navigation system providing precise three-dimensional position...

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