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What elements form the call sign of a ground station?

  • A

    Depending on the rules of the State where the station is located, the elements may include a prefix for the frequency (e.g. 118.725), its location, and a suffix (e.g. RADAR) indicating the type of service being provided.

  • B

    The location, followed by a suffix (e.g. 118.725) that ensures different ground stations at the same location can be distinguished.

  • C
    A prefix (e.g. GROUND) indicating the type of service being provided, followed by the name of the station's location.
  • D

    The location, followed by a suffix (e.g. DELIVERY) indicating the type of service being provided by that station.

CALL SIGNS FOR AERONAUTICAL STATIONS
Aeronautical stations are identified by the name of the location followed by a suffix. The suffix indicates the type of unit or service provided.

Unit or service Call sign suffix
Area control centre CONTROL
Radar (in general) RADAR
Approach control APPROACH
Approach control radar arrivals ARRIVAL
Approach control radar departures DEPARTURE
Aerodrome control TOWER
Surface movement control GROUND
Clearance delivery DELIVERY
Precision approach radar PRECISION
Direction-finding station HOMER
Flight information service INFORMATION
Apron control APRON
Company dispatch DISPATCH
Aeronautical station RADIO

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