Fall 2025 Station Information Profile (SIP) on File with Nielsen
| Call Letter: | WRKR-FM | |
| Frequency: | 107.7 | |
| Station Name: | 107.7 RKR THE ROCKER | |
| Format: | Classic Rock | |
| Network(s): | IND | |
| City of License: | PORTAGE/KALAMAZOO | |
| County of License: | Kalamazoo | |
| Mailing Address: | 4154 JENNINGS DR KALAMAZOO, MI 49048 |
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| Phone: | 269-344-0111 | |
| Fax: | 269-344-4223 | |
| URL Address: | www.wrkr.com | |
| Broadcasts in HD: |
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| Internet Streams: |
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Fall 2025 Reminder:
You no longer need to submit program information to Nielsen.
To view the simulcast combos that have requested Total Line Reporting, click here .