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ATC SURVEILLANCE SOURCE

ATC & Communications

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Used by ATC for establishing identification, control and separation using a target depicted on an air traffic control facility’s video display that has met the relevant safety standards for operational use and received from one, or a combination, of the following surveillance sources:

  1. Radar (See RADAR.)
  2. ADS‐B (See AUTOMATIC DEPENDENT SURVEILLANCE-BROADCAST.)
  3. WAM (See WIDE AREA MULTILATERATION.)

Source FAA Pilot/Controller Glossary · checked 2026-08-25

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