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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 ...
Terminal Doppler Weather Radar (TDWR) is a Doppler weather radar system with a three-dimensional "pencil beam" used primarily for the detection of hazardous wind shear conditions, precipitation, and winds aloft on and near major airports situated in climates with great exposure to thunderstorms in the United States. [1]
In the United States, the construction of a network consisting of 10 cm radars, called NEXRAD or WSR-88D (Weather Surveillance Radar 1988 Doppler), was started in 1988 following NSSL's research. [7] [8] In Canada, Environment Canada constructed the King City station, [9] with a 5 cm research Doppler radar, by 1985; McGill University dopplerized ...
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AN/APY-6 multi-mode high resolution surveillance radar by Northrop Grumman for United States Naval Research Laboratory NP-3C AN/APY-7 solid state version of AN/APY-3 under development for E-8C AN/APY-8 synthetic aperture radar by Sandia National Laboratories for General Atomics MQ-9 Reaper nicknamed as lynx [77] [78]
Find out the hourly and 10-day weather forecast for Boydton, VA, and stay updated on local and global weather events with AOL Weather.
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 ...
The Hughes AN/ASG-18 Fire Control System was a prototype airborne radar/combination system for the planned North American XF-108 Rapier interceptor aircraft for the United States Air Force, and later for the Lockheed YF-12. The US's first pulse-Doppler radar, the system had look-down/shoot-down capability and could track one target at a time.
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