 The station is also heard on FM translator station K233BT 94.5 MHz in Des Moines.The station signed on the airwaves as KWDM in 1948.The station was part of a trio of new stations that signed on that year in Des Moines which included 940 KIOA (now KPSZ) and 1390 KCBC (now 1700 KBGG).