KCHA (1580 kHz) is an oldies formatted broadcast radio station licensed to Charles City, Iowa, serving Charles City & Floyd County as well as North Central and North Eastern Iowa.

KCHA was noted for its role during the May 15, 1968 tornado that tore through Charles City, destroying over half the town and killing 13 residents and injuring hundreds.

[2] After power was knocked out, station personnel installed an emergency generator at the transmitter site on Stony Point Road and was back on the air later that evening.

The KCHA transmitter is located on Stony Point Road in Charles City, right off Business 218 near K-Mart.

The KCHA signal stretches from Forest City to West Union and Austin, Minnesota south to Waterloo during the day.