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An airport surveillance radar (ASR) is a radar system used at airports to detect and display the presence and position of aircraft in the terminal area, the airspace around airports. It is the main air traffic control system for the airspace around airports. At large airports it typically controls traffic within a radius of 60 miles (96 km) of ...
Terminal radar service area. In United States aviation, a terminal radar service area (TRSA) is a delimited airspace where radar and air traffic control services are made available to pilots flying under instrument flight rules or (optionally) visual flight rules, to maintain aircraft separation. TRSAs most often surround busy U.S. airports.
Surface movement radar (SMR) is used to detect aircraft and vehicles on the surface of an airport. It is used by air traffic controllers to supplement visual observations. It may also be used at night time and during low visibility to monitor the movement of aircraft and vehicles. Surface movement radar is the term accepted by ICAO, but it has ...
An airport surveillance radar display. A radar display is an electronic device that presents radar data to the operator. The radar system transmits pulses or continuous waves of electromagnetic radiation, a small portion of which backscatter off targets (intended or otherwise) and return to the radar system. The receiver converts all received ...
L band. Range. 290 miles. The Air Route Surveillance Radar is a long-range radar system. It is used by the United States Air Force and the Federal Aviation Administration to control airspace within and around the borders of the United States. The ARSR-4 is the FAA's most recent (late 1980s, early 1990s) addition to the "Long Range" series of ...
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 (or other airborne vehicles such as drones) determines its position via satellite navigation or other sensors and periodically broadcasts its ...
Land-based. Swordfish LRTR - AESA long-range tracking radar for Ballistic missile defence surveillance and fire control. Arudhra MPR - Static 4D AESA Medium power radar for airspace surveillance for ranges exceeding 300 km. ADTCR - Mobile 4D AESA Medium power radar for airspace surveillance. Ashwini LLTR - Mobile 4D AESA radar for Low level air ...
GLOBUS is a radar system in the town of Vardø in Vardø Municipality, Finnmark county, Norway. It is operated by the Norwegian Intelligence Service (NIS) and its official uses are primarily space observation and Arctic airspace monitoring for Norway's national interest, though the site's close proximity to known Russian naval bases as well as U.S. involvement in construction and funding have ...