WUSL
| Broadcast area | Delaware Valley | 
|---|---|
| Frequency | 98.9 MHz (HD Radio) | 
| Branding | Power 99 FM | 
| Programming | |
| Language | English | 
| Format | Mainstream urban | 
| Affiliations | Premiere Networks | 
| Ownership | |
| Owner | 
 | 
| WDAS, WDAS-FM, WIOQ, WRFF, WUMR | |
| History | |
| First air date | 1961 (as WPBS) | 
| Former call signs | WPBS (1961–1976) | 
| Call sign meaning | US 1, LIN Broadcasting (former branding and owner) | 
| Technical information | |
| Licensing authority | FCC | 
| Facility ID | 20349 | 
| Class | B | 
| ERP | Analog: 27,000 watts Digital: 270 watts | 
| HAAT | 204 meters (669 ft) | 
| Transmitter coordinates | 40°02′37″N 75°14′30″W / 40.0437°N 75.2418°W | 
| Links | |
| Public license information  | |
| Webcast | Listen live (via iHeartRadio) | 
| Website | power99 | 
WUSL (98.9 FM) is a commercial radio station licensed to Philadelphia, Pennsylvania. It carries a mainstream urban radio format and is owned by iHeartMedia The studios and offices are on Presidential Boulevard in Bala Cynwyd.
WUSL is a Class B station with an effective radiated power (ERP) of 27,000 watts. Its transmitter is off Wigard Avenue near the Schuylkill River in the Roxborough section of Philadelphia. WUSL broadcasts in the HD Radio hybrid format. Its HD2 digital subchannel formerly played Spanish-language contemporary hits.