WOSL
| Broadcast area | Cincinnati, Ohio | 
|---|---|
| Frequency | 100.3 MHz | 
| Branding | 100.3 Cincy's R&B Station | 
| Programming | |
| Format | Urban oldies-leaning urban adult contemporary | 
| Ownership | |
| Owner | 
  | 
| WDBZ, WIZF | |
| History | |
First air date  | 1948 (as WCNB-FM) | 
Former call signs  | WCNB-FM (1948–1994) WIFE (1994–2006) WIFE-FM (2006) WMOJ-FM (2006–2012) WCFN (2012–2013)  | 
Call sign meaning  | We're Old SchooL! (previous format) | 
| Technical information | |
Licensing authority  | FCC | 
| Facility ID | 57353 | 
| Class | A | 
| ERP | 3,100 watts | 
| HAAT | 141 meters (463 ft) | 
| Links | |
Public license information   | |
| Webcast | Listen Live | 
| Website | rnbcincy.com | 
WOSL (100.3 FM) is a radio station licensed to Norwood, Ohio. The station is owned by Radio One, and airs an urban oldies-leaning urban adult contemporary format. Its studios are located at Centennial Plaza in Downtown Cincinnati and the transmitter site is west of the downtown area.