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  2. Automatic Dependent Surveillance–Broadcast - Wikipedia

    en.wikipedia.org/wiki/Automatic_Dependent...

    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 determines its position via satellite navigation or other sensors and periodically broadcasts its position and other related data, enabling it ...

  3. Aviation transponder interrogation modes - Wikipedia

    en.wikipedia.org/wiki/Aviation_transponder...

    Upon interrogation, Mode S transponders transmit information about the aircraft to the SSR system, to TCAS receivers on board aircraft and to the ADS-B SSR system. This information includes the call sign of the aircraft and/or the aircraft's permanent ICAO 24-bit address (which is represented for human interface purposes as six hexadecimal ...

  4. List of transponder codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Transponder_Codes

    Non-discrete mode A code reserved use in mode S radar/ADS-B environment where the aircraft identification will be used to correlate the flight plan instead of the mode A code. [1] US: Used exclusively by ADS-B aircraft to inhibit mode 3A transmission. [3] US: Non-discrete code assignments in accordance with FAA Order JO 7110.65, 5-2.

  5. Flight tracking - Wikipedia

    en.wikipedia.org/wiki/Flight_tracking

    Aircraft carry ADS-B transponders, which transmit information such as the aircraft ID, GPS position, and altitude as radio signals. These radio transmission are collected by civilian ADS-B receivers located in the vicinity of the aircraft. These ADS-B receivers are only able to collect information on flights within radio-range of their position ...

  6. Traffic collision avoidance system - Wikipedia

    en.wikipedia.org/wiki/Traffic_collision...

    Automatic dependent surveillance – broadcast (ADS–B) messages are transmitted from aircraft equipped with suitable transponders, containing information such as identity, location, and velocity. The signals are broadcast on the 1090 MHz radio frequency. ADS-B messages are also carried on a universal access transceiver (UAT) in the 978 MHz band.

  7. Airport surveillance and broadcast systems - Wikipedia

    en.wikipedia.org/wiki/Airport_surveillance_and...

    The data that ASDE-X uses comes from a surface movement radar located on the airport traffic control tower or remote tower, multilateration sensors, ADS-B (Automatic Dependent Surveillance-Broadcast) sensors, terminal radars, the terminal automation system, and from aircraft transponders. By fusing the data from these sources, ASDE-X is able to ...

  8. Traffic information service – broadcast - Wikipedia

    en.wikipedia.org/wiki/Traffic_information_service...

    Traffic information service – broadcast (TIS–B) is an aviation information service that allows pilots to see aircraft that are not emitting ADS-B data but have a basic transponder. As aircraft are discovered by primary radar and respond with encoded altitude information, this information is broadcast over ADS-B. These near real time ...

  9. AirNav Systems - Wikipedia

    en.wikipedia.org/wiki/AirNav_Systems

    The data gathered by these terrestrial ADS-B receivers include, aircraft speed, position, registration information and other data. These ADS-B receivers usually operate at 1090 MHz. Radarbox also receives flight data from UAT 978 MHz as well. ADS-B (Satellite-based): Aircraft transponder data is collected by Satellites equipped with ADS-B ...