| City | Evansville, Indiana |
|---|---|
| Broadcast area | Southwestern Indiana |
| Branding | Mix 90.7 |
| Frequency | 90.7 MHz (also on HD Radio) |
| First air date | 1957 |
| Format |
Variety HD2: Alternative rock (WSWI simulcast) |
| ERP | 14,000 watts |
| HAAT | 50 meters |
| Class | B1 |
| Facility ID | 20032 |
| Transmitter coordinates | 38°1′45.00″N 87°34′42.00″W / 38.0291667°N 87.5783333°W |
| Callsign meaning | Public Service Radio |
| Owner | Evansville Vanderburgh School Corporation |
| Webcast | Listen Live |
| Website | wpsrhd.com |
WPSR (90.7 FM) is a non-commercial radio station broadcasting a Variety format. Licensed to Evansville, Indiana, the station is currently owned by the Evansville Vanderburgh School Corporation as a high school radio station. The station is also broadcast on HD radio.
The station initially only broadcast from 6:45am–2:45pm on school days when it went on the air in the 1950s. In the 1990s, broadcasts were expanded until midnight every night. During the non-school hours, the station would play automated 1980s music. Originally located in Central High School, the station is now a full 24/7 service broadcasting from the Southern Indiana Career & Technical Center in Evansville, Indiana.