You can get 8 free channels in ZIP 78578 (Port Isabel, TX)
Measured from the U.S. Census center of ZIP 78578 · 2 channels have a Strong indoor-ready signal.
Attic or High-Gain Window Antenna
You have 6 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: W (279°)
Place your indoor antenna near a window or exterior wall facing W (279°), 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 78578
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 |
|---|---|---|---|---|---|---|
| 5 | ABC | KRGV-TV Weslaco, TX · Full Power | 33.3 mi | W (277°) | High VHF RF 13 | ● Strong — Indoor OK |
| 23 | NBC | KVEO-TV Brownsville, TX · Full Power | 33.3 mi | W (277°) | UHF RF 24 | ● Strong — Indoor OK |
| 4 | CBS | KGBT-TV Harlingen, TX · Full Power | 33.3 mi | W (277°) | UHF RF 18 | ● Moderate — Window / High Indoor |
| 60 | PBS | KMBH Harlingen, TX · Full Power | 32.4 mi | W (280°) | UHF RF 16 | ● Moderate — Window / High Indoor |
| 48 | Univision | KNVO Mcallen, TX · Full Power | 47.0 mi | W (274°) | UHF RF 17 | ● Moderate — Window / High Indoor |
| 44 | TBN | KLUJ-TV Harlingen, TX · Full Power | 31.7 mi | WNW (292°) | UHF RF 21 | ● Moderate — Window / High Indoor |
| – | Local / LPTV | KSOY-LD Mcallen, TX · Low Power | 33.3 mi | W (277°) | UHF RF 34 | ▲ Weak — Outdoor / Attic |
| 21 | Local / LPTV | KXFX-CD Brownsville, TX · Class A | 14.4 mi | WSW (248°) | UHF RF 20 | ○ Fringe — Deep Outdoor |
Closest city guide: Port Isabel, TX Free TV Channels (3.9 mi from ZIP 78578 center) · Browse all Texas cities & ZIPs.
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