sentences:  On October 13, 2014, WMJH discontinued the Classic Hits format in favor of a return to full-time Spanish language regional Mexican music programming and a return to the "La Poderosa" name.640 WMFN assumed the Spanish pop format heard on AM 810 from 2008 to 2013.On March 2, 2015, WMJH launched an FM channel on 93.3FM, becoming the first all-Spanish radio station to broadcast on the FM frequency in the Grand Rapids market.