You can get 19 free channels in ZIP 16621 (Martinsburg, PA)
Measured from the U.S. Census center of ZIP 16621 · 3 channels have a Strong indoor-ready signal.
Attic or High-Gain Window Antenna
You have 7 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 (331°)
Place your indoor antenna near a window or exterior wall facing NNW (331°), 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 16621
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 |
|---|---|---|---|---|---|---|
| 23 | ABC | WATM-TV Altoona, PA · Full Power | 27.7 mi | NW (321°) | UHF RF 31 | ● Strong — Indoor OK |
| 10 | CBS | WTAJ-TV Altoona, PA · Full Power | 27.6 mi | NW (321°) | UHF RF 24 | ● Strong — Indoor OK |
| 47 | Independent | WKBS-TV Altoona, PA · Full Power | 27.6 mi | NW (321°) | Low VHF RF 6 | ● Strong — Indoor OK |
| 6 | NBC | WJAC-TV Johnstown, PA · Translator | 27.7 mi | NW (321°) | UHF RF 33 | ● Moderate — Window / High Indoor |
| 3 | PBS | WPSU-TV Clearfield, PA · Full Power | 33.3 mi | NNE (19°) | UHF RF 15 | ● Moderate — Window / High Indoor |
| – | Local / LPTV | W30FH-D Chambersburg, PA · Translator | 23.9 mi | SE (128°) | UHF RF 30 | ● Moderate — Window / High Indoor |
| – | Local / LPTV | WTOO-LD Altoona, PA · Low Power | 27.6 mi | NW (321°) | UHF RF 17 | ● Moderate — Window / High Indoor |
| 31 | PBS | WWPB Hagerstown, MD · Full Power | 42.6 mi | S (170°) | UHF RF 29 | ▲ Weak — Outdoor / Attic |
| – | Local / LPTV | W20EU-D Chambersburg, PA · Translator | 23.9 mi | SE (127°) | UHF RF 20 | ▲ Weak — Outdoor / Attic |
| – | Local / LPTV | W26EQ-D State College, PA · Low Power | 33.6 mi | NNE (20°) | UHF RF 26 | ▲ Weak — Outdoor / Attic |
| 27 | ABC | WHTM-TV Harrisburg, PA · Full Power | 61.2 mi | E (86°) | High VHF RF 10 | ○ Fringe — Deep Outdoor |
| 21 | CBS | WHP-TV Harrisburg, PA · Full Power | 65.6 mi | E (84°) | UHF RF 32 | ○ Fringe — Deep Outdoor |
| 8 | NBC | WGAL Lancaster, PA · Full Power | 80.2 mi | E (101°) | High VHF RF 8 | ○ Fringe — Deep Outdoor |
| 25 | NBC | WDVM-TV Hagerstown, MD · Full Power | 90.1 mi | S (177°) | UHF RF 23 | ○ Fringe — Deep Outdoor |
| 8 | FOX | WWCP-TV Johnstown, PA · Full Power | 55.3 mi | W (265°) | High VHF RF 8 | ○ Fringe — Deep Outdoor |
| 15 | CW | WXBU Lancaster, PA · Full Power | 65.6 mi | E (84°) | UHF RF 32 | ○ Fringe — Deep Outdoor |
| 49 | Independent | WLYH Red Lion, PA · Full Power | 61.2 mi | E (86°) | High VHF RF 10 | ○ Fringe — Deep Outdoor |
| – | Local / LPTV | W19FN-D Harrisburg, PA · Translator | 46.2 mi | N (9°) | UHF RF 19 | ○ Fringe — Deep Outdoor |
| – | Local / LPTV | WHVL-LD State College, Etc., PA · Low Power | 46.2 mi | N (9°) | UHF RF 27 | ○ Fringe — Deep Outdoor |
Closest city guide: Martinsburg, PA Free TV Channels (11.9 mi from ZIP 16621 center) · Browse all Pennsylvania cities & ZIPs.
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