This button most likely came from the early 1930's when WHO and WOC carried the same programming. For a short period of time, both stations operated on 1000 Khz with 5,000 watts each, with a synchronised signal (that didn't work very well). Later WOC was shut down in Davenport and both call signs were given from the 50,000 watt facility in Mitchellville. Ronald Reagan moved from Davenport to Des Moines. Later, WOC was revived in the Quad Cities on another frequency.
Courtesy of Jeff Stein
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