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WFAA (channel 8) is a television station licensed to Dallas, Texas, United States, serving the Dallas–Fort Worth metroplex as an affiliate of ABC.It is owned by Tegna Inc. alongside Decatur-licensed Estrella TV affiliate KMPX (channel 29), which provides a full-market high definition simulcast of WFAA's main channel on its UHF physical channel assigned to channel 8.8, due to long-term issues ...
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 ...
830 PM: The terminal doppler radars are indicating what is likely lake effect snow coming off Ray Roberts, Grapevine and Lewisville Lakes, which matches surface observations downstream of the lakes.
In 1962, they upgraded to a 10 cm, and in 1966, dual wavelength capability was added. After several modifications, the radar was placed on top of the newly completed Eller O&M Building in 1973. In 1992, the Aggie Doppler RADar was born with the installation of doppler capability. A final upgrade to the pedestal, removal of the side dishes, new ...
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 ...
A recent study by researchers at NOAA’s National Severe Storms Laboratory using Doppler Radar scans suggests the current methods of measuring tornadoes may be underestimating the twister's true ...
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.
Spectrum News (formerly Time Warner Cable News) is the brand for a slate of cable news television channels that are owned by Charter Communications through its acquisition of Time Warner Cable in May 2016. Each of the 17 regional channels primarily focus on local news, weather and sports coverage in their given areas, in addition to national ...