WSIU Public Radio consists of three analog stations and one HD station licensed to the SIU Board of Trustees.
- WSIU FM 91.9, Carbondale, IL
- WSIU HD 91.9, Carbondale, IL
- WVSI FM 88.9, Mt. Vernon, IL
- WUSI FM 90.3, Olney, IL
WSIU Radio also operates the Southern Illinois Radio Information Service (SIRIS). Based in Carbondale, SIRIS provides a specialized reading service that includes local newspapers as well as national publications for individuals who are blind or have other visual impairments. WSIU Radio has served the southern Illinois region since 1958.
WSIU Public Television consists of two D-TV stations licensed to the SIU Board of Trustees.
- WSIU 8.1 HD, Carbondale, IL
- WSIU 8.2 World, Carbondale, IL
- WSIU 8.3 Create, Carbondale,IL
- WUSI 16.1 HD, Olney, IL
- WUSI 16.2 World, Olney, IL
- WUSI 16.3 Create, Olney, IL