WRKR
| Broadcast area | |
|---|---|
| Frequency | 107.7 MHz (HD Radio) | 
| Branding | 107.7 The Rocker | 
| Programming | |
| Format | Classic rock | 
| Affiliations | Compass Media Networks | 
| Ownership | |
| Owner | 
 | 
| WKFR-FM, WKMI | |
| History | |
| First air date | October 17, 1988 | 
| Call sign meaning | W The RocKeR | 
| Technical information | |
| Licensing authority | FCC | 
| Facility ID | 14657 | 
| Class | B | 
| ERP | 50,000 watts | 
| HAAT | 148 meters | 
| Links | |
| Public license information  | |
| Webcast | Listen Live | 
| Website | wrkr.com | 
WRKR (107.7 FM, "The Rocker") is a radio station broadcasting a classic rock format, consisting of classic album-oriented rock tracks from the late 1960s through the early 2000s. Licensed to Portage, Michigan, it first began broadcasting in 1988.
On August 30, 2013, a deal was announced in which Townsquare Media would acquire 53 stations from Cumulus Media, including WRKR, for $238 million. The deal is part of Cumulus' acquisition of Dial Global; Townsquare and Dial Global are both controlled by Oaktree Capital Management. The sale to Townsquare was completed on November 14, 2013.