KRTU-FM (91.7 MHz) is a radio station broadcasting a mainstream jazz format.

[4] 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.

The station employs a full-time, professional staff of five, while student interns and community volunteers support on-air hosting throughout the year.

[1] As a public service, KRTU "Jazz for San Antonio" plays an active role in supporting local arts, artists, and musicians.

In 2023, the KRTU staff included JJ Lopez and General Manager, Kory Cook as Music Director, Julie Ledet as Director of Development, Monica Reina as Station Manager and Michael Thomas as Traffic & Production Coordinator.