KSOU-AM went on the air in 1969 as the original station of the group, preceding both KSOU-FM and KIHK. Known as Sioux Ritmo with a Spanish music format since February 2020, KSOU-AM 1090 began translating at 101.5 on the FM dial with a call sign of K268CZ in 2016. Previous programming formats of KSOU-AM 1090 have included Christian Contemporary music and Classic Hits music. 

MUSIC: Sioux Ritmo plays broad range of Spanish Adult hits from the 80s, 90s, 2000s, and today.

WEATHER: Twice hourly, Weatherology meteorologists provide the most up-to-date local weather information. When severe weather strikes, the Weatherology meteorologists keep you abreast of the situation.

NEWS: Sioux Ritmo is affiliated with Fox News Radio, and Fox News Updates can be heard each hour as well as weekday local news updates about 8:15a, 9:15a, 11:15a and 12:15p.

SPORTS: Weekdays local sports updates air about 7:30a, 8:30a, 12:30p and 5:30p. Along with sister stations 93.9 KSOU and Hawk Country 106.9 KIHK, our coverage of area high schools include Sioux Center, Rock Valley, Boyden-Hull, Western Christian, Unity Christian, MOC-Floyd Valley, West Sioux and Trinity Christian.  Sioux Ritmo carries local high school football play-by-play each week in the fall and occassional local games during other sports seasons. Click here for all the upcoming game broadcasts on our Sioux County Radio stations.

HOURS OF OPERATION: KSOU-AM is a daytime only station and operates seven days a week beginning at sunrise. KSOU-AM’s broadcast day ends at 7:00PM unless sunset occurs earlier. K268CZ operates 24 hours a day, 7 days a week at 101.5 on the FM dial.