KSDN-FM (94.1 MHz, "The Rock 94.1 FM") is a radio station licensed to serve Aberdeen, South Dakota.

[5] In June 2000, Clear Channel purchased Roberts Radio entire assets including the 5 Aberdeen station in a deal valued at a reported $65.9 million.

[6] Late 2004, Aberdeen Radio Ranch’s Rob & Todd Ingstad of Valley City, ND signed an agreement to acquire five Clear Channel-Aberdeen, SD stations: KKAA-AM, KSDN-AM/FM, KBFO-FM, KQAA-FM.

In May 2006, Armada Media Corporation reached an agreement to acquire KBFO, KGIM, KGIM-FM, KNBZ, KSDN, and KSDN-FM from Aberdeen Radio Ranch for a reported $9.25 million.

[7] On November 1, 2013, Prairie Winds Broadcasting, Inc. reached an agreement to acquire KBFO, KGIM, KGIM-FM, KNBZ, KSDN, and KSDN-FM from Armada Media for $5.3 million.