- Date: November 2, 1925-September 11, 1989 ( NOTE: License was granted on October 7, 1925; first broadcast was on November 2. Operations suspended June 4, 1932-November 5, 1932.)
- Frequency:
- 1240 khz (November 2, 1925-1927)
- 1320 khz (...June 30, 1927-November 11, 1928)
- 1380 khz (November 11, 1928-January 1933)
- 1370 khz (January 1933-June 29, 1934)
- 1320 khz (June 29, 1934-March 17, 1935)
- 1430 khz (March 17, 1935-March 29, 1941)
- 1460 khz (March 29, 1941-September 11, 1989)
- Location:
- Clarinda, Iowa (November 2, 1925-June 4, 1932)
- Des Moines, Iowa (November 5, 1932-September 11, 1989)
- Owner of license:
- A. A. Berry Seed Co. (November 2, 1925-June 26, 1931)
- Iowa Broadcasting Co. (June 26, 1931-July 25, 1944) ( Note: Co-owned with KRNT from March 17, 1935 to July 25, 1944, IBC forced to sell KSO because of FCC regulations against co-owned stations in same city.)
- Kinsley Murphy (July 25, 1944-July 6, 1955)
- KSO, Inc. (July 6, 1955-February 25, 1964)
- Des Moines Broadcasting Co. (February 25, 1964-October 18, 1966)
- Stoner Broadcasting System (October 18, 1966-September 11, 1989)
- Subsequent call letters: KGGO
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