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  2. Advanced Train Control System - Wikipedia

    en.wikipedia.org/wiki/Advanced_Train_Control_System

    An Advanced Train Control System (ATCS) is a North American system of railroad equipment designed to ensure safety by monitoring locomotive and train locations, providing analysis and reporting, automating track warrants, detecting blind spot and similar orders.

  3. Positive train control - Wikipedia

    en.wikipedia.org/wiki/Positive_train_control

    The ATCS protocol, which the AAR had recommended the FCC consider as PTC in 2000 (when AAR sought a nationwide 900 MHz "ribbon" license), [42] can support train control operation at both 900 MHz and 160 MHz. [43] The latter frequency band is only used for ATCS on a few subdivisions and shortlines.

  4. Air traffic controller - Wikipedia

    en.wikipedia.org/wiki/Air_traffic_controller

    Air traffic control specialists, abbreviated ATCs, are personnel responsible for the safe, orderly, and expeditious flow of air traffic in the global air traffic control system. Usually stationed in air traffic control centers and control towers on the ground, they monitor the position, speed, and altitude of aircraft in their assigned airspace ...

  5. Air traffic control - Wikipedia

    en.wikipedia.org/wiki/Air_traffic_control

    The air traffic control tower of Mumbai International Airport in India.. Air traffic control (ATC) is a service provided by ground-based air traffic controllers who direct aircraft on the ground and through a given section of controlled airspace, and can provide advisory services to aircraft in non-controlled airspace.

  6. Automatic train control - Wikipedia

    en.wikipedia.org/wiki/Automatic_train_control

    D-ATC indicator used on the E233 series trains. The digital ATC system uses the track circuits to detect the presence of a train in the section and then transmits digital data from wayside equipment to the train on the track circuit numbers, the number of clear sections (track circuits) to the next train ahead, and the platform that the train will arrive at.

  7. ATCS - Wikipedia

    en.wikipedia.org/wiki/ATCS

    ATCS may refer to: Academy for Technology and Computer Science , part of high school Bergen County Academies in New Jersey, United States Advanced Train Control System , a railroad safety and monitoring system

  8. Advanced Civil Speed Enforcement System - Wikipedia

    en.wikipedia.org/wiki/Advanced_Civil_Speed...

    Safetran VIU-ACSES Field Encoder monitors wayside status information and sends track signal states through the ground network to locomotives.. The on-board equipment consists of a computer that also stores the route characteristics database, a distance measurement subsystem to track train position, an antenna subsystem for the track mounted balises, and a data radio subsystem for communication ...

  9. All-terrain vehicle - Wikipedia

    en.wikipedia.org/wiki/All-terrain_vehicle

    Tiger ATCs were offered for three years, with models using 80 to 500 cc (0.0800 to 0.500 L; 4.88 to 30.5 cu in) two-stroke engines provided by KTM and Rotax. The Tiger 500 is notable for being the fastest consumer ATC available, with tested top speeds of +80 mph from the stock 42 horsepower (31.3 kW)@6500rpm engine and 5 speed gearbox.