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- WHO (1040 kHz "Newsradio 1040") is a commercial AM radio station in Des Moines, Iowa, United States. The station is owned by iHeartMedia and carries a news/talk radio format. The radio studios are on Grand Avenue in Des Moines. WHO broadcasts with 50,000 watts, the maximum power permitted for commercial AM stations. It uses a non-directional antenna from a transmitter site on 148th Street South in Mitchellville, Iowa. WHO dates back to the early days of broadcasting and is a Class A clear-channel station. During daytime hours, its high power and Iowa's excellent soil conductivity gives it at least secondary coverage of most of Iowa, as well as parts of Illinois, Missouri, Nebraska, Kansas, Wisconsin, Minnesota and South Dakota. With a good radio, it can be heard at night across much of North America, but is strongest in the Central United States. WHO is also heard on the HD Radio digital subchannel of co-owned KDRB 100.3 FM and is Iowa's primary entry point station in the Emergency Alert System. (en)
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