Wikipedia
WBAA
WBAA and WBAA-FM are the call signs for two American radio stations owned by Purdue University in West Lafayette, Indiana—an AM station at 920 kHz and an FM station at 101.3 MHz. Both broadcast from studios in the Edward C. Elliott Hall of Music on the Purdue campus, and the transmitters are located in Lafayette, Indiana.
Both WBAA and WBAA-FM are licensed by the FCC to broadcast in HD.