You can get 8 free channels in ZIP 78536 (Alton, TX)
Measured from the U.S. Census center of ZIP 78536 · 1 channels have a Strong indoor-ready signal.
Attic or High-Gain Window Antenna
You have 4 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: SSE (158°)
Place your indoor antenna near a window or exterior wall facing SSE (158°), 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 78536
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 |
|---|---|---|---|---|---|---|
| 40 | Telemundo | KTLM Rio Grande City, TX · Full Power | 15.5 mi | SW (236°) | UHF RF 14 | ● Strong — Indoor OK |
| 5 | ABC | KRGV-TV Weslaco, TX · Full Power | 53.0 mi | SE (135°) | High VHF RF 13 | ● Moderate — Window / High Indoor |
| 23 | NBC | KVEO-TV Brownsville, TX · Full Power | 53.0 mi | SE (135°) | UHF RF 24 | ● Moderate — Window / High Indoor |
| 48 | Univision | KNVO Mcallen, TX · Full Power | 45.0 mi | SSE (148°) | UHF RF 17 | ● Moderate — Window / High Indoor |
| 4 | CBS | KGBT-TV Harlingen, TX · Full Power | 53.0 mi | SE (135°) | UHF RF 18 | ▲ Weak — Outdoor / Attic |
| 60 | PBS | KMBH Harlingen, TX · Full Power | 52.8 mi | SE (133°) | UHF RF 16 | ▲ Weak — Outdoor / Attic |
| 35 | Local / LPTV | KRZG-CD Mcallen, TX · Class A | 27.1 mi | SSE (164°) | UHF RF 27 | ○ Fringe — Deep Outdoor |
| – | Local / LPTV | KJST-LD Mcallen, TX · Low Power | 29.7 mi | SSE (154°) | High VHF RF 11 | ○ Fringe — Deep Outdoor |
Closest city guide: Alton, TX Free TV Channels (25.8 mi from ZIP 78536 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.