You can get 14 free channels in ZIP 51040 (Onawa, IA)
Measured from the U.S. Census center of ZIP 51040 · 1 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: NNW (344°)
Place your indoor antenna near a window or exterior wall facing NNW (344°), 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 51040
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 |
|---|---|---|---|---|---|---|
| 9 | ABC | KCAU-TV Sioux City, IA · Full Power | 39.2 mi | NNW (348°) | High VHF RF 9 | ● Strong — Indoor OK |
| 14 | CBS | KMEG Sioux City, IA · Full Power | 39.1 mi | NNW (349°) | UHF RF 32 | ● Moderate — Window / High Indoor |
| 4 | NBC | KTIV Sioux City, IA · Full Power | 39.1 mi | NNW (349°) | UHF RF 14 | ● Moderate — Window / High Indoor |
| 6 | NBC | WOWT Omaha, NE · Full Power | 49.9 mi | S (178°) | UHF RF 22 | ● Moderate — Window / High Indoor |
| 44 | FOX | KPTH Sioux City, IA · Full Power | 39.1 mi | NNW (349°) | UHF RF 30 | ● Moderate — Window / High Indoor |
| 27 | PBS | KSIN-TV Sioux City, IA · Full Power | 35.4 mi | NNW (340°) | UHF RF 28 | ● Moderate — Window / High Indoor |
| 7 | ABC | KETV Omaha, NE · Full Power | 50.0 mi | S (178°) | UHF RF 20 | ▲ Weak — Outdoor / Attic |
| 3 | CBS | KMTV-TV Omaha, NE · Full Power | 50.2 mi | S (178°) | UHF RF 31 | ▲ Weak — Outdoor / Attic |
| 42 | FOX | KPTM Omaha, NE · Full Power | 66.9 mi | S (187°) | UHF RF 26 | ▲ Weak — Outdoor / Attic |
| – | Local / LPTV | K36RL-D Sioux City, IA · Low Power | 35.4 mi | NNW (340°) | UHF RF 36 | ▲ Weak — Outdoor / Attic |
| 26 | PBS | KYNE-TV Omaha, NE · Full Power | 50.0 mi | S (178°) | UHF RF 17 | ○ Fringe — Deep Outdoor |
| 36 | PBS | KHIN Red Oak, IA · Full Power | 63.4 mi | SE (138°) | UHF RF 35 | ○ Fringe — Deep Outdoor |
| 19 | PBS | KXNE-TV Norfolk, NE · Full Power | 63.6 mi | WNW (283°) | UHF RF 19 | ○ Fringe — Deep Outdoor |
| 15 | CW | KXVO Omaha, NE · Full Power | 66.9 mi | S (187°) | UHF RF 29 | ○ Fringe — Deep Outdoor |
Closest city guide: Onawa, IA Free TV Channels (1.2 mi from ZIP 51040 center) · Browse all Iowa cities & ZIPs.
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