Garmin GTS 820 TAS Pilot's Manual

4Garmin GTS Trafflc Systems 190-00587-02 Rev. E2.2 ADS-B INThe GTS ADS-B In capability allows it to receive traffic data through a built in1090 MHz Extended Squitter (1090 ES) receiver. ADS-B IN is a core technologyin the FAA NextGen air traffic control system and is comprised of three segments:ADS-B (Broadcast), ADS-R (Rebroadcast), and TIS-B. The ADS-B In functionmust be enabled at the time of system installation. If the ADS-B In function isdisabled, only active surveillance is used.NOTE: Full ADS-B In functionality is only available in GTS 800, GTS 820,and GTS 850 systems with system software version 4.00 and later; and inGTS 825 and GTS 855 systems with system software version 3.00 and later.Earlier software versions provide limited ADS-B IN functionality: Positiondata from the 1090 ES ADS-B is used to derive bearing for a correlatedintruder tracked with active surveillance.Automatic Dependent Surveillance - Broadcast (ADS-B) is the automaticbroadcast of position reports by aircraft, surface vehicles, and transmitters onfixed objects. These broadcasts contain much more data than just a simpleposition report, they include: identity (Flight ID/Tail Number, ICAO registrationnumber, etc), ground track, ground speed, pressure altitude, indications ofequipment capabilities, and emergency status.Figure 1 ADS-B Operation - FAA Illustration