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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 radars.
Opened in 1980. Replaced the ADCOM radar site at Fort Meade, MD (Z-227) and the FAA radar site at Suitland, MD. J-79 Z-151 Mica Peak WA ARSR-4 WADS ANM Northwest Mountain Former ADCOM Mica Peak AFS (SM-151), deactivated in July 1975. Site transferred to FAA.
GDM Sector also provides service to tower en route traffic entering and departing the New York metropolitan area at and below 10,000 feet. Radar coverage in the GDM Sector is very good due to its close proximity to ARSR and ASR-9 radars. Traffic advisories are also provided to VFR aircraft as workload permits.
Daytona Beach International Airport Surveillance Radar. 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 ...
Pinetree Line, a series of radar stations located across southern Canada at about the 50th parallel north. Lashup Radar Network radar stations, the radar stations deployed 1950-2 when the "Radar Fence" Plan was not approved; Temporary radar net, the "five-station radar net" established in 1948; Army Radar Stations, World War II installations of ...
ASR-9 is an airport surveillance radar system admitted into the National Airspace System (NAS), to be utilized by the Federal Aviation Administration to monitor civilian and commercial air traffic within the United States. Developed by Westinghouse, ASR-9 was the first radar system to display air traffic, and weather conditions simultaneously.
There have been a number of modes used historically, but four are in common use today: mode 1, mode 2, mode 3/A, and mode C. Mode 1 is used to sort military targets during phases of a mission. Mode 2 is used to identify military aircraft missions. Mode 3/A is used to identify each aircraft in the radar's coverage area.
The Airport Movement Area Safety System (AMASS) visually and aurally prompts tower controllers to respond to situations which potentially compromise safety. AMASS is an add-on enhancement to the host Airport Surface Detection Equipment Model 3 (ASDE-3) radar that provides automated aural alerts to potential runway incursions and other hazards.