| City | DeQuincy, Louisiana |
|---|---|
| Broadcast area | Lake Charles, Louisiana |
| Branding | Classic Rock 92.1 |
| Slogan | SWLA's Classic Rock Station |
| Frequency | 92.1 MHz |
| First air date | November 1, 1985 (as KROK) |
| Format | Classic rock |
| Power | 13,500 watts |
| HAAT | 136.7 meters (448 ft) |
| Class | C3 |
| Facility ID | 71555 |
| Transmitter coordinates | 30°13′16.0″N 93°18′40.0″W / 30.221111°N 93.311111°W |
| Callsign meaning | play on the word "Star" former branding |
| Former callsigns | KROK (1984-2003) KNUF (2003-2004) |
| Affiliations | Walton and Johnson |
| Owner |
Townsquare Media (Townsquare Media Lake Charles License, LLC) |
| Sister stations |
KHLA, KJEF, KJMH, KLCL, KNGT also part of the Townsquare Media cluster: TV Station KJEF-CA |
| Webcast | KTSR Webstream |
| Website | KTSR Online |
KTSR (92.1 FM, "Classic Rock 92.1") is a classic rock formatted broadcast radio station licensed to DeQuincy, Louisiana, serving Southwest Louisiana. KTSR is owned and operated by Townsquare Media.