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KITV (channel 4) is a television station in Honolulu, Hawaii, United States, serving the Hawaiian Islands as an affiliate of ABC. It is owned by Allen Media Group alongside multicultural independent station KIKU (channel 20). The two stations share studios on South King Street in downtown Honolulu; KITV's main transmitter is located atop the ...
KETV was the first station in the market to have a full-time meteorologist beginning in the early 1970s, the first station to use live weather radar in the late 1970s, and was the second station to utilize Doppler weather radar in the early 1980s. In November 2006, KETV overtook long-time ratings leader WOWT to become the top-rated news station ...
ktiv .com. KTIV (channel 4) is a television station in Sioux City, Iowa, United States, affiliated with NBC and The CW Plus. Owned by Gray Television, the station has studios on Signal Hill Drive in Sioux City, and its transmitter is located near Hinton, Iowa . KTIV was the second television station to be built in Sioux City.
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 plan position indicator ( PPI) is a type of radar display that represents the radar antenna in the center of the display, with the distance from it and height above ground drawn as concentric circles. As the radar antenna rotates, a radial trace on the PPI sweeps in unison with it about the center point. It is the most common type of radar ...
Weather. Veteran journalist Emme Tomimbang remembered as 'dear, caring storyteller,' dies at 73. ... From there she transitioned to television, first at KITV and then to the KHON "Morning News."
Weather radar, also called weather surveillance radar ( WSR) and Doppler weather radar, is a type of radar used to locate precipitation, calculate its motion, and estimate its type (rain, snow, hail etc.). Modern weather radars are mostly pulse-Doppler radars, capable of detecting the motion of rain droplets in addition to the intensity of the ...
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 ...