WHO-DT (channel 13) is a television station in Des Moines, Iowa, United States, affiliated with NBC and owned by Nexstar Media Group. The station's studios are located on Grand Avenue in downtown Des Moines, and its transmitter is located in Alleman, Iowa. Although WHO-DT's call letters sound like "who" if pronounced as a word, the station is never referred to in that manner; it is always mentioned on air as "W-H-O."