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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...

    In 2009 the ICAO published an "extended" form of Mode S with more message formats to use with ADS-B; [11] it was further refined in 2012. [12] Countries implementing ADS-B can require the use of either the extended squitter mode of a suitably-equipped Mode S transponder, or the UAT transponder on 978 MHz.

  4. Traffic information service – broadcast - Wikipedia

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

    TIS-B is broadcast to aircraft using both the 1090 MHz extended squitter (1090 ES) and the universal access transceiver (UAT) band of Automatic Dependent Surveillance–Broadcast (ADS-B). [3] Currently the service mainly benefits general aviation (GA) aircraft equipped with ADS-B "in" hardware by providing a traffic information relay to a ...

  5. FlightAware - Wikipedia

    en.wikipedia.org/wiki/FlightAware

    FlightAware provides this unit free of charge to individuals in areas where FlightAware's ADS-B network does not have sufficient coverage. [26] The company deploys 75-100 new FlightFeeders per month. [27] As of August 13, 2023, FlightAware has 35,900 ADS-B sites in 193 countries, an increase of 16,201 sites since October 22, 2018. [28]

  6. 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 ...

  7. 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 ...

  8. 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.

  9. 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.