Automatic dependent surveillance – broadcast (ADS–B) is a cooperative surveillance technology in which an aircraft determines its position via satellite navigat

Automatic dependent surveillance – broadcast (ADS–B) is a cooperative surveillance technology in which an aircraft determines its position via satellite navigation and periodically broadcasts it, enabling it to be tracked. -- https://en.wikipedia.org/wiki/Automatic_dependent_surveillance-broadcast https://en.wikipedia.org/wiki/Automatic_dependent_surveillan...