TV Channels in San Dimas, CA
ZIP Code: 91773 • Coordinates: 34.1075°N, 117.8088°W
Major Network Coverage
Signal values are sampled near the ZIP centroid. Reception at your specific address can vary, especially in hilly areas — check the coverage map for your block.
Coverage Map
Top 5 Strongest Signals
| Rank | Station | Channel | Networks | Signal | Quality | Bearing |
|---|---|---|---|---|---|---|
| #1 | KSGA-LD LOS ANGELES, CA | 26-1 480i | COMFY TVJewelry TVLATV +2 | -18 dBm | Excellent | 48° NE |
| #2 | KSGA-LD LOS ANGELES, CA | 26-1 480i | COMFY TVJewelry TVLATV +2 | -33 dBm | Excellent | 48° NE |
| #3 | KMRZ-LD | 26 | Other | -37 dBm | Excellent | 64° ENE |
| #4 | KMRZ-LD | 26 | Other | -47 dBm | Excellent | 64° ENE |
| #5 | KBEH | 4 | Other | -63 dBm | Good | 297° WNW |
Reception Analysis
Signal varies 22 dB across the sample area — significant address-level variation expected. Check the map.
Signal is extremely strong (-18 dBm). Standard antennas may overload your TV. Try inserting a simple metal paperclip into the antenna port first. If that fails, use a Variable Attenuator.
About TV Reception in San Dimas
San Dimas, California (91773) has access to 5 strong TV signals. The strongest signal comes from KSGA-LD at -18 dBm, rated as "Excellent" quality.
For best reception, we recommend using an outdoor antenna mounted as high as possible. Indoor antennas may work for "Excellent" and "Good" rated signals.
Signal Quality Guide
- Excellent −50 dBm and stronger Indoor antenna should work
- Good −65 to −50 dBm Indoor antenna in good conditions
- Fair −75 to −65 dBm Outdoor antenna recommended
- Poor −85 to −75 dBm High-gain outdoor antenna required
- No Signal below −85 dBm Below ATSC threshold — reception unlikely