Impact 89 FM

WDBM (88.9 FM), East Lansing, Michigan, is a 2,000 watt, Class A, student-run college radio station at Michigan State University that broadcasts to listeners in the Lansing, Michigan, metropolitan area. The signal can be heard as far south as Jackson, MI, southeast almost to Brighton, MI, and north to Alma, MI far beyond its 60 dBu service countour which represents its clearest signal.