Before revision: Conceptual of the ADS-B system, illustrating radio links between aircraft, ground station and satellite Automatic Dependent Surveillance–Broadcast (ADS-B) is an aviation surveillance technology and form of Electronic Conspicuity in which an aircraft (or other airborne vehicles such as drones approved to fit "ADS-B Out") determines its position via satellite navigation or other sensors and periodically broadcasts its position and other related data, enabling it to be tracked.
After revision: Conceptual of the ADS-B system, illustrating radio links between aircraft, ground station and satellite Automatic Dependent Surveillance–Broadcast (ADS-B) is an aviation surveillance technology and form of electronic conspicuity in which an aircraft (or other airborne vehicles such as drones approved to fit "ADS-B Out") determines its position via satellite navigation or other sensors and periodically broadcasts its position and other related data, enabling it to be tracked.