WTKA is a radio station located in Ann Arbor, Michigan, that broadcasts on 1050 AM. Day power is 10 kW, night power is 500 W. The station covers most of southeast Michigan. First on-air as WPAG in 1945, the station was the first licensed to Washtenaw County, with studios on the third floor of the Hutzel Building, at the corner of Main at Liberty Streets in Ann Arbor. WTKA is now owned by Cumulus Broadcasting due in part to a multi-station swap between Cumulus and Clear Channel that involved stations in Michigan And Ohio. Today, WTKA bills itself as "Sports Talk 1050 AM", the unofficial voice of the University of Michigan sports. Sports Talk 1050 AM carries U-M football, basketball and hockey as well as Detroit Tigers baseball games (a holdover from the WPZA era, as Monaghan also owned the Tigers at that time.