KGRR (97.3 FM) is a radio station broadcasting a mainstream rock format to the Dubuque, Iowa, USA area. The station is licensed to Radio Dubuque, Inc. Its transmitter is located alongside U.S. Highway 20 between Dubuque and Peosta on top of the U.S. 20 Bluff. KGRR was used as the radio station call letters in an episode of 'The Twilight Zone' Nightsong (TV episode 1986 #2.6). The frequeny on the show was 93.3 FM and it was located somewhere in California.
On-air staff include Program Director and Morning Show host Johnny Rhodes, and Tom Drake with afternoons. Drake also hosts special segments including Two for the Road (Daily at 5pm) and The Listening Room on Friday evenings.