The story sounds believable and I heard Doug tell the story long before the article. The article appeared in the Des Moines Register in 2012.
Courtesy of Kathleen MacKinnon
Doug MacKinnon Profile
History of KIOA in pictures and sound
Personalities page - more KIOA Good Guys
Around the Dial page more airchecks KIOA and other stations
DesMoinesBroadcasting.com home page