| City | Marion, Indiana |
|---|---|
| Branding | Indiana Public Radio |
| Frequency | 90.9 MHz |
| Format | Public radio |
| ERP | 1,000 watts (horizontal) 2,400 watts (vertical) |
| HAAT | 94 meters |
| Class | A |
| Facility ID | 3645 |
| Transmitter coordinates | 40°10′38″N 85°40′23″W / 40.17722°N 85.67306°W |
| Callsign meaning | Ball State |
| Affiliations | National Public Radio |
| Owner | Ball State University |
| Webcast | Listen Live |
| Website | indianapublicradio.org |
WBSW (90.9 FM), is a National Public Radio-affiliated station in Marion, Indiana. It primarily features National Public Radio programming. It is owned by Ball State University.