 1570 WPTW for several years broadcast in C-QUAM AM stereo in the 1990s which was later abandoned by 2000.In 2007, Miami Valley Radio, LLC, headed by Mark Hiner, purchased WPTW from Frontier Broadcasting, which was headed by Bart Johnson, son of the late farm broadcaster and ABN founder Ed Johnson.According to a Piqua Daily Call story dated July 8, 2011, owner Miami Valley Radio LLC announced that it may leave the air and shut down permanently unless a buyer is found.