Birach Broadcasting Corporation is a company based in Southfield, Michigan, USA, that owns several AM radio stations and, formerly, one low-power television (LPTV) station in the US.[1] Many stations in the Birach portfolio run ethnic broadcasting. The company was wholly owned by its president and CEO Sima Birach, who died October 14, 2025.[2]
^WNZK broadcasts on 690kHz during the daytime and on 680kHz during the nighttime; it is the only mediumwave radio station in North America licensed to operate on two different frequencies with the same license, a privilege otherwise only granted to shortwave stations.