KSMM (AM), a radio station (1470 AM) licensed to Liberal, Kansas, United States, which used the call sign KYUU from October 1988 to February 2008
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Kyū, a Japanese system for designating levels of ability
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KMVQ-FM, a former NBC owned and operated radio station (99.7 FM) licensed to San Francisco, California, United States, which used the call sign KYUU-FM from 1978 to October 1988.
The station signed-on November 10, 1993 with the call sign K66EV and airing a signal on UHF channel 66.
During much of this time, KYUU's morning host was Don Bleu.