 In the planning stages the radio received assistance from KDNA personnel Jeremy Lansman and Lorenzo Milam who had started similarly formatted KDNA in St. Louis.KDNA had already financial failed by the time KOPN went on the air.KOPN acquired KDNA's the 20kW CCA transmitter and in 1974 began broadcasting at 40,000 watts and moved its frequency from 89.7MHz to 89.5MHz.