High Quality Content by WIKIPEDIA articles! WRDU (106.1 FM), known as "Rush Radio 106.1", is a talk radio formatted radio station that serves the Raleigh-Durham market of North Carolina. It is owned and operated by Clear Channel Worldwide. Sister stations include G105, 93.9 KISS-FM, and 100.7 the River. Its call letters were once associated with Channel 28 (now WRDC-TV) from 1968 to 1978 when it was an NBC affiliate.