WMSD (90.9 FM) is an FM radio station licensed to Rose Township, Michigan. The station proper is located in the town of Lupton, Michigan.In July 2000, a construction permit was issued and by August 11, 2000 the station began broadcasting at 90.9 FM. The station prefers to refer to themselves as a Bible believing radio station rather than a Christian station.The station was originally an affiliate of the Fundamental Broadcasting Network, located in New Bern, North Carolina.