You can get 28 free TV channels in San Marcos, TX
5 channels are rated Strong (indoor-ready) near the center of San Marcos. Check your exact ZIP code below.
Indoor Window or Tabletop Antenna
5 stations arrive with a Strong signal here. Place a quality indoor antenna near a window or wall facing the towers.
🧭 Broadcast Tower Compass — Which Way to Point Your Antenna
Each dot is a local TV tower relative to your center point (● Green = Strong, ● Blue = Moderate, ● Amber = Weak).
Primary Aim Direction: W (278°)
Place your indoor antenna near a window or exterior wall facing W (278°), or aim your attic/rooftop antenna toward that compass bearing for the strongest signal lock.
After placing or moving your antenna, always run a fresh TV channel rescan.
All Free Over-the-Air TV Channels in San Marcos, TX
Sorted with Strong signals and major broadcast networks first. Channel is the virtual channel number your TV displays; Band / RF Ch. is the actual radio frequency that determines whether you need a VHF-capable antenna. How we calculate signals.
| Channel | Network | Station | Distance | Point Antenna | Band / RF Ch. | Estimated Signal |
|---|---|---|---|---|---|---|
| 24 | ABC | KVUE Austin, TX · Full Power | 32.0 mi | NNE (14°) | UHF RF 33 | ● Strong — Indoor OK |
| 42 | CBS | KEYE-TV Austin, TX · Full Power | 32.0 mi | NNE (14°) | UHF RF 34 | ● Strong — Indoor OK |
| 7 | FOX | KTBC Austin, TX · Full Power | 31.3 mi | NNE (16°) | High VHF RF 7 | ● Strong — Indoor OK |
| 40 | Local / LPTV | KHPM-CD San Marcos, TX · Class A | 1.4 mi | NNW (329°) | UHF RF 20 | ● Strong — Indoor OK |
| – | Local / LPTV | KWTC-LD Austin, TX · Low Power | 14.3 mi | WNW (282°) | Low VHF RF 2 | ● Strong — Indoor OK |
| 12 | ABC | KSAT-TV San Antonio, TX · Full Power | 46.0 mi | SSW (205°) | High VHF RF 12 | ● Moderate — Window / High Indoor |
| 5 | CBS | KENS San Antonio, TX · Full Power | 46.2 mi | SSW (205°) | UHF RF 29 | ● Moderate — Window / High Indoor |
| 36 | NBC | KXAN-TV Austin, TX · Full Power | 32.3 mi | NNE (15°) | UHF RF 21 | ● Moderate — Window / High Indoor |
| 4 | NBC | WOAI-TV San Antonio, TX · Full Power | 46.2 mi | SSW (205°) | UHF RF 28 | ● Moderate — Window / High Indoor |
| 29 | FOX | KABB San Antonio, TX · Full Power | 44.9 mi | SSW (207°) | UHF RF 30 | ● Moderate — Window / High Indoor |
| 18 | PBS | KLRU Austin, TX · Full Power | 32.0 mi | NNE (14°) | UHF RF 22 | ● Moderate — Window / High Indoor |
| 9 | PBS | KLRN San Antonio, TX · Full Power | 45.3 mi | SW (214°) | High VHF RF 9 | ● Moderate — Window / High Indoor |
| 54 | CW | KNVA Austin, TX · Full Power | 32.3 mi | NNE (15°) | UHF RF 23 | ● Moderate — Window / High Indoor |
| 2 | CW | KCWX Fredericksburg, TX · Full Power | 44.2 mi | WNW (295°) | High VHF RF 8 | ● Moderate — Window / High Indoor |
| 17 | Univision | KNIC-DT Blanco, TX · Full Power | 36.6 mi | WSW (251°) | UHF RF 18 | ● Moderate — Window / High Indoor |
| 41 | Univision | KWEX-DT San Antonio, TX · Full Power | 45.8 mi | SSW (206°) | UHF RF 24 | ● Moderate — Window / High Indoor |
| 62 | Univision | KAKW-DT Killeen, TX · Full Power | 59.0 mi | N (357°) | High VHF RF 13 | ● Moderate — Window / High Indoor |
| 60 | Telemundo | KVDA San Antonio, TX · Full Power | 44.5 mi | SSW (206°) | UHF RF 15 | ● Moderate — Window / High Indoor |
| 23 | TBN | KHCE-TV San Antonio, TX · Full Power | 44.6 mi | SSW (206°) | UHF RF 16 | ● Moderate — Window / High Indoor |
| – | Local / LPTV | KOBS-LD San Antonio, TX · Low Power | 19.8 mi | WSW (248°) | UHF RF 19 | ▲ Weak — Outdoor / Attic |
| 32 | Local / LPTV | KGBS-CD Austin, TX · Class A | 32.1 mi | NNE (15°) | UHF RF 19 | ▲ Weak — Outdoor / Attic |
| 40 | Local / LPTV | KXLK-CD Austin, TX · Class A | 32.3 mi | NNE (15°) | UHF RF 14 | ▲ Weak — Outdoor / Attic |
| 31 | Local / LPTV | KTFO-CD Austin, TX · Class A | 32.3 mi | NNE (15°) | UHF RF 36 | ▲ Weak — Outdoor / Attic |
| 14 | NBC | KBVO Llano, TX · Full Power | 67.0 mi | NW (326°) | UHF RF 27 | ○ Fringe — Deep Outdoor |
| 35 | MyNetworkTV | KMYS Kerrville, TX · Full Power | 60.2 mi | WSW (253°) | UHF RF 32 | ○ Fringe — Deep Outdoor |
| 26 | ION | KPXL-TV Uvalde, TX · Full Power | 69.0 mi | WSW (256°) | UHF RF 26 | ○ Fringe — Deep Outdoor |
| 51 | Local / LPTV | KBVO-CD Austin, TX · Class A | 32.3 mi | NNE (15°) | UHF RF 31 | ○ Fringe — Deep Outdoor |
| – | Local / LPTV | KAXX-LD San Antonio, TX · Low Power | 33.4 mi | WSW (247°) | UHF RF 35 | ○ Fringe — Deep Outdoor |
Check Your Exact ZIP Code in San Marcos
📬 Get an email alert if local TV channels change in your area
When a local station changes frequencies or a new free channel signs on, we'll let you know it's time to rescan your TV.
100% free. Unsubscribe anytime in one click.