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The station's weather coverage utilized its first live doppler radar in 1958. [32] On April 16, 1998, WTVF was knocked off the air due to an F3 tornado striking downtown Nashville. This occurred while meteorologists Ron Howes and Joe Case were broadcasting live, showing the actual tornado from the station's SkyCam as it entered downtown Nashville.
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 ...
On June 29, 2007, WHIO-TV debuted its new doppler weather radar, initially billed as "New Live Doppler 7", then "Live Doppler 7 HD". The radar was used in every weathercast and, for several years, on the station's website, but, though retaining the "Live Doppler 7" name on-air, WHIO discontinued operation of its radar in June 2021.
WOFL (channel 35) is a television station in Orlando, Florida, United States, serving as the market's Fox network outlet. It is owned and operated by the network's Fox Television Stations division alongside MyNetworkTV station WRBW (channel 65). The two stations share studios on Skyline Drive in Lake Mary; WOFL's transmitter is located in ...
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 ...
ARMOR is a modified WSR-74 C-Band (5625 MHz) radar with a 0.5 - 1.0° resolution in azimuth and a spatial resolution varying from 60 to 500 meters, with a typical resolution of 150m. ARMOR sits 206 meters above sea level. The pulse length can vary from 0.4 to 4 microseconds and its peak power is 350 kW.
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 ...
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 .
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