KRTU-FM
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| Broadcast area | San Antonio area |
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| Frequency | 91.7 MHz |
| Branding |
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| Programming | |
| Format |
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| Ownership | |
| Owner | Trinity University |
| History | |
First air date | January 23, 1976 |
Call sign meaning | Radio Trinity University |
| Technical information | |
Licensing authority | FCC |
| Facility ID | 68128 |
| Class | C3 |
| ERP | 30,000 watts |
| HAAT | 36.0 meters |
Transmitter coordinates | 29°27′51.00″N 98°28′56.00″W / 29.4641667°N 98.4822222°W |
| Links | |
Public license information | |
| Website | krtu |
KRTU-FM (91.7 MHz) is a radio station broadcasting a mainstream jazz format. Licensed in San Antonio, Texas, United States, the station serves the San Antonio area. The station is owned by Trinity University. Between 10 p.m. and 5 a.m., the station format changes from jazz to alternative and indie rock.
KRTU 91.7 is a resource of the Department of Communication that supports the academic curriculum while demonstrating Trinity University’s leadership in education and the arts.