KQSF (95.7 FM, "Q95-7") is a radio station licensed to Dell Rapids, South Dakota; it serves the Sioux Falls, South Dakota area. It first began broadcasting in 1998 under the call sign KSOB. The station is currently owned by Duey E. Wright, through licensee Midwest Communications, Inc. Its studios are located on South Phillips Avenue in Sioux Falls, while its transmitter is located near Baltic.