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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...

    Provides the aircraft's pressure altitude and is usually combined with Mode 3/A to provide a combination of a 4-digit octal code and altitude as Mode 3 A/C, often referred to as Mode A and C [2] 4: Provides a 3-pulse reply, delay is based on the encrypted challenge [1] 5: Provides a cryptographically secured version of Mode S and ADS-B GPS ...

  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. High Frequency Data Link - Wikipedia

    en.wikipedia.org/wiki/High_Frequency_Data_Link

    Today, HFDL is an air/ground data link standard with coverage in virtually every corner of the globe, approximately 168,000,000 square miles (440,000,000 km 2) where aircraft are never out of touch both in the air and on the ground. There are around 15 HF ground stations (HGS) available today, and, like a canopy within a jungle, the stations ...

  6. Traffic information service – broadcast - Wikipedia

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

    It presents to the pilot a combined representation of aircraft positions derived from GPS satellite and ground-based radar data, specifically: aircraft's replies to ATC interrogations (i.e., they are responses to queries as sent to the aircraft from air traffic controller on the ground). [1] [2] TIS-B is broadcast to aircraft using both the ...

  7. AirNav Systems - Wikipedia

    en.wikipedia.org/wiki/AirNav_Systems

    AirNav Systems also owns and operates a ground-based ADS-B tracking network that is supported by over 20,000 active volunteer ADS-B data feeders from over 180 countries. The company's real-time tracking and data services are also used by 25,000 aviation related businesses, government agencies, airlines, media channels and airports in over 60 ...

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  9. Anchorage Air Route Traffic Control Center - Wikipedia

    en.wikipedia.org/wiki/Anchorage_Air_Route...

    Anchorage Air Route Traffic Control Center. Anchorage Air Route Traffic Control Center (PAZA/ZAN, radio communications: Anchorage Center) is an Area Control Center operated by the Federal Aviation Administration just outside the main gate of Joint Base Elmendorf-Richardson at 700 North Boniface Parkway in Anchorage, Alaska, United States.