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7 (New York City Subway service) The 7 Flushing Local and <7> Flushing Express [3] are two rapid transit services in the A Division of the New York City Subway, providing local and express services along the full length of the IRT Flushing Line. Their route emblems, or "bullets", are colored purple, since they serve the Flushing Line.
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 ...
AirTrain LaGuardia was a proposed 1.5-mile-long (2.4 km) people mover system and elevated railway in New York City, United States, that would provide service to LaGuardia Airport in Queens. It would have connected with the New York City Subway and Long Island Rail Road (LIRR) in Willets Point, similar to how the existing AirTrain JFK system ...
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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 ...
The LaGuardia Airport subway extension is a proposed extension of the New York City Subway 's BMT Astoria Line (currently served by the N and W trains) to connect to LaGuardia Airport, which has never had an airport rail link. Such a connection was first proposed in 1943, when LaGuardia was already surrounded by development.
Synthetic-aperture radar ( SAR) is a form of radar that is used to create two-dimensional images or three-dimensional reconstructions of objects, such as landscapes. [ 1] SAR uses the motion of the radar antenna over a target region to provide finer spatial resolution than conventional stationary beam-scanning radars.
The Jackson Heights–Roosevelt Avenue/74th Street station is a New York City Subway station complex served by the IRT Flushing Line and the IND Queens Boulevard Line.Located at the triangle of 74th Street, Broadway, and Roosevelt Avenue in Jackson Heights, Queens, it is served by the 7, E, and F trains at all times; the R train at all times except late nights; the M train weekdays during the ...