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WHAS, known by the on air branding as "News Radio 840 WHAS", is an AM radio station broadcasting in Louisville, Kentucky. It is a 50,000 Watt clear channel radio station assigned to frequency 840 kHz. With clear channel status, its nighttime signal can be heard in most of the continental U.S. and much of Canada, and even in other countries at times. The station's studios are located in the Louisville enclave of Watterson Park and the transmitter site is in Long Run in far east Jefferson County. WHAS is owned by iHeartMedia, Inc. ==History== Its first broadcast was on July 18, 1922. It was originally assigned the frequency of 350 kHz. On May 16, 1925, the first live broadcast of the Kentucky Derby was originated by WHAS and was also carried by WGN in Chicago.〔"Derby To Go On The Air", ''The New York Times'', May 16, 1925, p. 11〕 The call of the Derby featured an announcer who watched from the windows of one of the famous twin spires of Churchill Downs. On May 15, 1932, WHAS changed from being an NBC affiliate and joined CBS. At that time, WHAS operated on 820 kHz with 10 KW power, but the output was soon increased to 25 KW as authorized by the Federal Radio Commission. During the 1937 Flood the station aired 115,000 messages. On March 29, 1941 the station moved to its current frequency of 840 AM and made a clear-channel station, both as a result of the North American Radio Broadcasting Agreement, which relocated the 840 clear channel allocation to Louisville from Toronto, where it was used by CBL. On March 30, 1970 WHAS began 24-hour operation. The station was originally part of the local media empire ruled by the Bingham family, which also published ''Louisville Courier-Journal'' and ''Louisville Times'' (now owned by the Gannett Company and merged in 1987) and operated television station WHAS-TV (which, following several mergers and transactions in subsequent years, is now owned by Sander Media and operated by Gannett). WHAS and its FM sister station, WAMZ (the former WHAS-FM) were acquired by Clear Channel Communications (which, as iHeartMedia, continues to own the stations to this day) in 1986 as part of the breakup of the Bingham family's media properties.〔"Changing Hands." ''Broadcasting''. June 16, 1986, pg. 63. ()〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「WHAS (AM)」の詳細全文を読む スポンサード リンク
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