KU Kilocycles By BOB LONGSTAFF JUST A FLIP of the switch, a turn of the dial, and everything from newsy interviews to music by Bach and Beethoven is at your fingertips. Radio stations KANU, the University's FM station, and KFKU, the AM station which has broadcast time over commercial station WREN, operate with a nucleus full-time staff and with much of the work being done by students. Students are an important part in the operation of the stations. They handle phases of continuity and script writing, acting, announcing, and technical production. Facilities at the station, located in back of Marvin hall, include three studios, a $7,000 record library, an Associated Press teletype, complete equipment for sound effects, an elaborate system of technical equipment.