Spring 2026 Station Information Profile (SIP) on File with Nielsen
| Call Letter: | WDBM-FM | |
| Frequency: | 88.9 | |
| Station Name: | IMPACT 89FM | |
| Format: | Alternative | |
| Network(s): | IND | |
| City of License: | EAST LANSING | |
| County of License: | Ingham | |
| Mailing Address: | G4 HOLDEN HALL MSU EAST LANSING, MI 48825 |
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| Phone: | 517-884-8900 | |
| Fax: | 517-335-6552 | |
| URL Address: | impact89fm.org | |
| Broadcasts in HD: |
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| Internet Streams: |
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Spring 2026 Reminder:
You no longer need to submit program information to Nielsen.
To view the simulcast combos that have requested Total Line Reporting, click here .