eine schöne Übersicht zum Thema bei Garmin:
GTS Traffic Systems actively interrogate the transponders of other nearby aircraft to determine their bearing, distance, altitude and vertical trend relative to your aircraft. Aircraft with operating transponders are detected, and aircraft with altitude reporting transponders will also include altitude and vertical trend information (level, climbing, or descending). This information is then shown on a compatible traffic display. (...)
2.2 ADS-B IN
The GTS ADS-B In capability allows it to receive traffic data through a built in 1090 MHz Extended Squitter (1090 ES) receiver. ADS-B IN is a core technology in 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 function must be enabled at the time of system installation. If the ADS-B In function is disabled, only active surveillance is used. (...)
Automatic Dependent Surveillance - Broadcast (ADS-B) is the automatic broadcast of position reports by aircraft, surface vehicles, and transmitters on fixed objects. These broadcasts contain much more data than just a simple position report, they include: identity (Flight ID/Tail Number, ICAO registration number, etc), ground track, ground speed, pressure altitude, indications of equipment capabilities, and emergency status. (...)
und natürlich im Heft 04/2017 von Pilot und Flugzeug Seiten 40 - 41
