Short answers, pulled from the story.
The Department of Commerce issued a license to the S.M.K. Radio Corporation on the 31st of May 1924. This document assigned the call letters WDBS before they were changed to WING.
The first studio sat inside the former Beckel House Hotel on East Third Street in downtown Dayton. A later downtown studio with a showcase window opened in 1960 at 128 West First Street in the Talbott Tower building and became known as WING Island.
Steve Kirk enjoyed the most extended stay from 1967 to 1992 as morning man for WING. His familiar self-introduction became legendary among listeners during that period.
WSMK was assigned to 570 kHz following the implementation of General Order 40 on the 11th of November 1928. This reallocation occurred as part of a major reorganization of transmitting frequencies by the Federal Radio Commission.
Main Line took over the Dayton stations on the 14th of September 2007. This acquisition followed an announcement made on the 17th of May 2007 regarding the purchase of Radio One's stations in Dayton and Louisville markets.