sentences:  KCOR-CD's transmitter is located on César E. Chavéz Bouelvard in downtown San Antonio.The station began as a construction permit issued to Clear Channel Communications on March 23, 1988 to build a low-power television station on UHF channel 17 in San Antonio.Given callsign K17BY, the station went on air in March 1991 and was licensed April 2, 1991.