You can get 28 free channels in ZIP 78666 (San Marcos, TX)
Measured from the U.S. Census center of ZIP 78666 · 3 channels have a Strong indoor-ready signal.
Attic or High-Gain Window Antenna
You have 19 Strong/Moderate channels. An attic or 2nd-floor window antenna will lock in way more channels than a basic flat panel.
🧭 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: WSW (257°)
Place your indoor antenna near a window or exterior wall facing WSW (257°), 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.
Channel Lineup & Tower Directions for ZIP 78666
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 |
|---|---|---|---|---|---|---|
| 42 | CBS | KEYE-TV Austin, TX · Full Power | 32.3 mi | NNE (20°) | UHF RF 34 | ● Strong — Indoor OK |
| 7 | FOX | KTBC Austin, TX · Full Power | 31.7 mi | NNE (21°) | High VHF RF 7 | ● Strong — Indoor OK |
| – | Local / LPTV | KWTC-LD Austin, TX · Low Power | 11.4 mi | WNW (282°) | Low VHF RF 2 | ● Strong — Indoor OK |
| 24 | ABC | KVUE Austin, TX · Full Power | 32.3 mi | NNE (20°) | UHF RF 33 | ● Moderate — Window / High Indoor |
| 12 | ABC | KSAT-TV San Antonio, TX · Full Power | 45.4 mi | SSW (201°) | High VHF RF 12 | ● Moderate — Window / High Indoor |
| 5 | CBS | KENS San Antonio, TX · Full Power | 45.5 mi | SSW (202°) | UHF RF 29 | ● Moderate — Window / High Indoor |
| 36 | NBC | KXAN-TV Austin, TX · Full Power | 32.6 mi | NNE (20°) | UHF RF 21 | ● Moderate — Window / High Indoor |
| 4 | NBC | WOAI-TV San Antonio, TX · Full Power | 45.5 mi | SSW (202°) | UHF RF 28 | ● Moderate — Window / High Indoor |
| 29 | FOX | KABB San Antonio, TX · Full Power | 44.2 mi | SSW (203°) | UHF RF 30 | ● Moderate — Window / High Indoor |
| 18 | PBS | KLRU Austin, TX · Full Power | 32.3 mi | NNE (20°) | UHF RF 22 | ● Moderate — Window / High Indoor |
| 9 | PBS | KLRN San Antonio, TX · Full Power | 44.3 mi | SSW (210°) | High VHF RF 9 | ● Moderate — Window / High Indoor |
| 54 | CW | KNVA Austin, TX · Full Power | 32.6 mi | NNE (20°) | UHF RF 23 | ● Moderate — Window / High Indoor |
| 2 | CW | KCWX Fredericksburg, TX · Full Power | 41.4 mi | WNW (295°) | High VHF RF 8 | ● Moderate — Window / High Indoor |
| 17 | Univision | KNIC-DT Blanco, TX · Full Power | 34.1 mi | WSW (248°) | UHF RF 18 | ● Moderate — Window / High Indoor |
| 41 | Univision | KWEX-DT San Antonio, TX · Full Power | 45.2 mi | SSW (202°) | UHF RF 24 | ● Moderate — Window / High Indoor |
| 62 | Univision | KAKW-DT Killeen, TX · Full Power | 58.4 mi | N (360°) | High VHF RF 13 | ● Moderate — Window / High Indoor |
| 60 | Telemundo | KVDA San Antonio, TX · Full Power | 43.8 mi | SSW (202°) | UHF RF 15 | ● Moderate — Window / High Indoor |
| – | Local / LPTV | KOBS-LD San Antonio, TX · Low Power | 17.4 mi | WSW (243°) | UHF RF 19 | ● Moderate — Window / High Indoor |
| 23 | TBN | KHCE-TV San Antonio, TX · Full Power | 44.0 mi | SSW (202°) | UHF RF 16 | ● Moderate — Window / High Indoor |
| 40 | Local / LPTV | KHPM-CD San Marcos, TX · Class A | 2.3 mi | ENE (74°) | UHF RF 20 | ▲ Weak — Outdoor / Attic |
| 32 | Local / LPTV | KGBS-CD Austin, TX · Class A | 32.5 mi | NNE (20°) | UHF RF 19 | ▲ Weak — Outdoor / Attic |
| 31 | Local / LPTV | KTFO-CD Austin, TX · Class A | 32.6 mi | NNE (20°) | UHF RF 36 | ▲ Weak — Outdoor / Attic |
| 14 | NBC | KBVO Llano, TX · Full Power | 65.0 mi | NNW (328°) | UHF RF 27 | ○ Fringe — Deep Outdoor |
| 35 | MyNetworkTV | KMYS Kerrville, TX · Full Power | 57.6 mi | WSW (251°) | UHF RF 32 | ○ Fringe — Deep Outdoor |
| 26 | ION | KPXL-TV Uvalde, TX · Full Power | 66.4 mi | WSW (255°) | UHF RF 26 | ○ Fringe — Deep Outdoor |
| – | Local / LPTV | KAXX-LD San Antonio, TX · Low Power | 31.0 mi | WSW (244°) | UHF RF 35 | ○ Fringe — Deep Outdoor |
| 40 | Local / LPTV | KXLK-CD Austin, TX · Class A | 32.6 mi | NNE (20°) | UHF RF 14 | ○ Fringe — Deep Outdoor |
| 51 | Local / LPTV | KBVO-CD Austin, TX · Class A | 32.6 mi | NNE (20°) | UHF RF 31 | ○ Fringe — Deep Outdoor |
Closest city guide: San Marcos, TX Free TV Channels (2.9 mi from ZIP 78666 center) · Browse all Texas cities & ZIPs.
📬 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.