Fall 2025 Station Information Profile (SIP) on File with Nielsen
| Call Letter: | KTSW-FM | |
| Frequency: | 89.9 | |
| Station Name: | THE OTHER SIDE OF RADIO | |
| Format: | Alternative | |
| Network(s): | IND | |
| City of License: | SAN MARCOS | |
| County of License: | Hays | |
| Mailing Address: | TX ST UNIV 601 UNIVERSITY DR SAN MARCOS, TX 78666 |
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| Phone: | 512-245-3485 | |
| Fax: | 512-245-3732 | |
| URL Address: | ktsw.txstate.edu | |
| Broadcasts in HD: |
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| Internet Streams: |
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Fall 2025 Reminder:
You no longer need to submit program information to Nielsen.
To view the simulcast combos that have requested Total Line Reporting, click here .