What channel is ABC on antenna in San Antonio?
ABC is channel 12.1 (KSAT-TV).
It is sent only in NextGen TV (ATSC 3.0), so it needs a newer TV or a 3.0 tuner box.
Our terrain predictions put ABC on KSAT-TV within antenna reach of about 91% of people in the San Antonio market, and an indoor antenna is likely enough for about 0% (an estimate, not yet checked against real scans). Check your ZIP.
Updated from FCC data
Lost ABC? Rescan your TV first
Most missing channels come back after a Rescan Asking your TV to search for channels again. Fixes most missing channels. More in the glossary . If ABC still doesn't appear, the antenna needs to point toward the KSAT-TV tower and handle VHF Lower frequencies (RF 2–13). Needs an antenna with longer elements; many flat indoor antennas are weak here. More in the glossary .
Where ABC 12.1 comes from
-
NextGen TV only (ATSC 3.0)
KSAT-TV RF 12 · VHF
KSAT-TV's own transmitter.
Which way to point for ABC around San Antonio
Aim at the KSAT-TV tower . It stands apart from the main tower site, so it may need its own aim.
| From | Point | Distance |
|---|---|---|
| New Braunfels, TX | south-southwest (196°) | 31 mi |
| Seguin, TX | southwest (218°) | 28 mi |
| Kerrville, TX | southeast (135°) | 75 mi |
| Uvalde, TX | east (87°) | 92 mi |
| Fair Oaks Ranch, TX | southeast (145°) | 40 mi |
| Pleasanton, TX | northeast (34°) | 26 mi |
| Pearsall, TX | east-northeast (63°) | 57 mi |
| Floresville, TX | northwest (326°) | 10 mi |
The antenna you need for ABC in San Antonio
ABC reaches ordinary TVs on VHF, so choose an antenna rated for VHF as well as UHF; many flat indoor antennas are weak on VHF. For the NextGen TV version on RF 12 you'd also need VHF reception and a 3.0 tuner. Close to the towers an indoor antenna by a window often works; farther out, height matters most: attic beats window, roof beats attic.
The best antenna for all of San Antonio · VHF Lower frequencies (RF 2–13). Needs an antenna with longer elements; many flat indoor antennas are weak here. More in the glossary
More free channels from KSAT-TV
- 12.2 network unknown
- 12.3 network unknown
- 12.4 network unknown
- 12.5 network unknown
Other networks in San Antonio
Questions about ABC in San Antonio
What channel is ABC on antenna in San Antonio?
Why did ABC 12.1 disappear from my TV?
What antenna do I need for ABC in San Antonio?
Where this comes from
- Stations, towers, channels and power: FCC Licensing and Management System (LMS) public database, data of .
- Networks and subchannels: our affiliations dataset, built from Wikipedia (used under CC BY-SA 4.0), the network field stations file with the FCC, and station websites; checked . Credits.
- Towns and distances: US Census Bureau: Vintage 2025 city population estimates (SUB-EST2025) and 2026 Gazetteer place coordinates; distances are straight-line from each town's Census centre point.
- Market area: Market area: counties assigned by FCC service-contour coverage of each market's full-power stations (FCC LMS market list, Census 2020).
Updated How we work this out