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NEXRAD or Nexrad (Next-Generation Radar) is a network of 159 high-resolution S-band Doppler weather radars operated by the National Weather Service (NWS), an agency of the National Oceanic and Atmospheric Administration (NOAA) within the United States Department of Commerce, the Federal Aviation Administration (FAA) within the Department of Transportation, and the U.S. Air Force within the ...
RCA AN/FPS-16 Instrumentation Radar. The FPS-16 radar sits atop Tranquillon Peak overlooking all of Vandenberg Air Force Base in California, including Space Launch Complex-6, and the shoreline. Tranquillon Peak's elevation of 2,126 feet (648 m) is the highest point on Vandenberg AFB. The radar provides data and range safety for missile launches.
Doppler effect. The emitted signal toward the car is reflected back with a variation of frequency that depends on the speed away/toward the radar (160 km/h). This is only a component of the real speed (170 km/h). The Doppler effect (or Doppler shift), named after Austrian physicist Christian Doppler who proposed it in 1842, is the difference ...
AN/APG-63. The AN/APG-63 and AN/APG-70 are a family of all-weather multimode radar systems designed by Hughes Aircraft (later Raytheon) for the F-15 Eagle air superiority fighter. These X band pulse-Doppler radar systems are designed for both air-air and air-ground missions; they are able to look up at high-flying targets and down at low-flying ...
A pulse-Doppler radar is a radar system that determines the range to a target using pulse-timing techniques, and uses the Doppler effect of the returned signal to determine the target object's velocity. It combines the features of pulse radars and continuous-wave radars, which were formerly separate due to the complexity of the electronics .
Continuous-wave radar (CW radar) is a type of radar system where a known stable frequency continuous wave radio energy is transmitted and then received from any reflecting objects. [1] Individual objects can be detected using the Doppler effect , which causes the received signal to have a different frequency from the transmitted signal ...
AN/APG-68. The AN/APG-68 radar is a long range ( Max Detection Range 80 kilometres [50 mi]) [ 1] Pulse-doppler radar designed by Westinghouse (now Northrop Grumman) to replace AN/APG-66 radar in the F-16 Fighting Falcon. After years of Service, AN/APG-68 radar currently being replaced on US Air Force F-16C/D Block 40/42 and 50/52 by the latest ...
Inclination. 89.5 degrees. Period. 101.40 minutes. Epoch. 26 June 1993 [2] RADCAL (short for RAD ar CAL ibration Satellite) was a radar calibration satellite launched and operated by the United States Air Force. It was active from June 1993 until it stopped communicating in May 2013.