Nearly a decade after the FAA published a final regulation describing automatic dependent surveillance-broadcast (ADS-B) Out performance requirements, the rule's January 2020 compliance date is hard on the horizon. Five months from the deadline, surveys indicate that a majority of aircraft within different aviation segments will be equipped with ADS-B-but in some segments, not nearly all that should be. As of Jan. 1, aircraft flying in most controlled airspace must have the necessary avionics to broadcast their GPS-derived position, altitude, velocity, identity and other information once per second to the FAA's nationwide network of 658 ground radio stations. L3Harris Technologies (formerly Harris Corp.) owns and operates the ground infrastructure under FAA contract.ADS-B, complemented by radar and wide-area multilateration systems in remote locations, will be the FAA's new surveillance paradigm for tracking aircraft.
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