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WSR-74. WSR-74C radar from Central Illinois WFO. WSR-74 radars were W eather S urveillance R adars designed in 1974 for the National Weather Service. They were added to the existing network of the WSR-57 model to improve forecasts and severe weather warnings. Some have been sold to other countries like Australia, Greece, and Pakistan.
The WSR-57 (Weather Surveillance Radar - 1957) was the first 'modern' weather radar. Initially commissioned at the Miami Hurricane Forecast Center, the WSR-57 was installed in other parts of the CONUS (continental United States). [4] The WSR-57 was the first generation of radars designed expressly for a national warning network.
WLFI-TV. / 40.38889°N 86.61278°W / 40.38889; -86.61278. WLFI-TV (channel 18) is a television station in Lafayette, Indiana, United States, affiliated with CBS and The CW Plus. Owned by Allen Media Broadcasting, the station maintains studios on Yeager Road in West Lafayette; its transmitter is located on County Road 700 in rural ...
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 ...
Live Doppler 7 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.
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 ...
WTHI-TV (channel 10) is a television station in Terre Haute, Indiana, United States, affiliated with CBS, Fox, MyNetworkTV and The CW Plus.Owned by Allen Media Broadcasting, the station has studios on 8th and Ohio Streets in downtown Terre Haute, and its transmitter is located along US 41/150 in unincorporated Sullivan County (south of Farmersburg).
www .21alivenews .com. WPTA (channel 21) is a television station in Fort Wayne, Indiana, United States, affiliated with ABC, NBC, and MyNetworkTV. It is owned by Gray Television alongside CW+ affiliate WISE-TV (channel 33). The two stations share studios on Butler Road in Northwest Fort Wayne, where WPTA's transmitter is also located.