KDEC-FM is an adult album alternative (AAA) station, playing artists like Dave Matthews, Bob Marley, Snow Patrol, Arctic Monkeys, U2, Coldplay, The Killers, Jack Johnson, Lucinda Williams, Brett Dennen, Feist, Amy Winehouse and more. The station provides local news that covers the Tri State area of northeastern Iowa, southeastern Minnesota and southwestern Wisconsin. KDEC-FM 100.5 is also the Home for the Hawkeyes, broadcasting Iowa Hawkeye football and basketball. Original call letters were KRDI.

On May 1, 2009, KDEC FM 100.5 began streaming online at kdecradio.com http://asx.abacast.com/kdec-kdeclive-64.asx