Clear Channel’s KCNL 104.9 has dropped the Spanish format it adopted 13 months ago and will return to playing alternative music, the radio Web site AllAccess.com reports. The station’s Spanish programning was pulled at 3 p.m. Monday and the new format is scheduled to start at 5 p.m. today (Feb. 27). In between, station has been airing sounds of construction noises. The station will rely more heavily on listener requests than before. Music director Jeanene Calhoun will return. Former KSAN (“The Bone”) program director Michael Solari will be the station’s new promotions director. The station manager will be Justin Wittmayer.