| City | Houston, Texas |
|---|---|
| Broadcast area | Greater Houston |
| Branding | "The Choice" |
| Frequency | 90.9 MHz |
| First air date | June 23, 1972 |
| Format | College radio/Jazz |
| Language(s) | English |
| Audience share | 0.9 |
| ERP | 18,500 watts |
| HAAT | 81 m (266 ft) |
| Class | C3 |
| Facility ID | 65336 |
| Transmitter coordinates | 29°43′25″N 95°21′52″W / 29.72361°N 95.36444°W |
| Callsign meaning | K Texas Southern University |
| Affiliations | NPR |
| Owner | Texas Southern University |
| Website | http://www.ktsufm.org |
KTSU (90.9 FM), known as "The Choice", is a college radio jazz-formatted radio station based on the campus of Texas Southern University in Houston, Texas. It was founded on June 23, 1972.