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City of license East Lansing, Michigan
Broadcast area East Lansing, Michigan
Branding Impact 89FM
Frequency 88.9 MHz (also on HD Radio)
First air date circa 1989
Format College; Variety
Power 2,000 watts
HAAT 85 meters
Class A
Facility ID 4241
Transmitter coordinates 42°42′20″N 84°28′30″W / 42.70556°N 84.475°W / 42.70556; -84.475
Former callsigns WBDM (11/10/87-2/7/89)
Owner Michigan State University

WDBM (88.9), East Lansing, Michigan, is a 2,000 watt, Class A, student-run radio station at Michigan State University that broadcasts to listeners in the Lansing, Michigan, metropolitan area. The station is the successor to the Michigan State Network, which in the 1970s was the nation's largest college carrier current radio network, and had studios in several MSU dormitories. The network was eventually consolidated to one carrier current station, WLFT ('Turn to the Left'), which broadcast from the former WKAR studios in the MSU Auditorium Building.

WDBM began broadcasting in 1989 with the moniker Impact 89FM, a name it still uses today. It is one of the few student-run college radio stations to broadcast 24 hours-a-day, 365 days-a-year. WDBM has been named "College Station of the Year" by the Michigan Association of Broadcasters more than any other station. In 2004, it was the nation's first college station to broadcast in HD Radio and streams its programming on its website[1].

Its staff began recording and podcasting Michigan governor Jennifer Granholm's weekly radio address in 2005.

The station is licensed to the MSU Board of Trustees, financed by a student fee, and operates separately from the University's other media outlets, which include WKAR, WKAR-FM, WKAR-TV, and the State News. Impact 89FM broadcasts from the basement of the Holden Hall dormitory on south campus.

On Tuesday February 24th, The IMPACT turned 20 and celebrated 20 years of broadcasting by holding a Birthday Bash at the local East Lansing Buffalo Wild Wings, where alumni came back to do a special hour of on-air programing.



Weekdays, WDBM broadcasts mainly alternative music. At night, block programming features an hour of talk, then jazz, alternative country, blues, metal, local music, retro, and hip hop. The Lansing City Pulse magazine credited WDBM's Progressive Torch and Twang program for igniting and sustaining the alternative country scene in mid-Michigan.[2] Progressive Torch and Twang has also been cited in the seminal book Modern Twang.[3]



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