OTA for Austin, TX
From MythTV Official Wiki
The channels available through OTA ATSC broadcast from Austin, TX.
NOTE: These channels were detected from the next county over (Bastrop, TX). If you know of any others, please add them here.
7.1:177000000:VSB_8:49:52:3 18.1:521000000:VSB_8:49:52:3 18.2:521000000:VSB_8:65:68:4 18.3:521000000:VSB_8:81:84:5 24.1:587000000:8VSB:49:52:1 24.2:587000000:8VSB:65:68:2 24.3:587000000:VSB_8:81:84:3 36.1:515000000:VSB_8:49:52:3 36.2:515000000:8VSB:65:68:4 42.1:647000000:8VSB:49:52:3 42.2:647000000:VSB_8:65:68:2 54.1:683000000:8VSB:49:52:3