KNBTFM.com: Radio New Braunfels — scroll down to about the middle of the page for the “92.1 KNBT Live Live Radio” button.
Boy am I happy to see this. I used to listen to them when I lived in San Marcos (a college town between Austin and San Antonio — New Braunfels is about 15 minutes or so south of San Marcos) and for awhile listened to them when I moved to Oklahoma but after awhile their live feed quit working. But now they are back and sure is nice to hear some good Americana/Texas/Real Country music. I highly recommend giving them a listen. That station introduced me to so much good music (particularly Robert Earle Keene)