What channel is UniMás on antenna in Tucson (Sierra Vista)?
UniMás is channel 3.1 (KFTU-DT).
It broadcasts on RF 36 (UHF), which any digital TV can receive.
Updated from FCC data
Lost UniMás? Rescan your TV first
Most missing channels come back after a Rescan Asking your TV to search for channels again. Fixes most missing channels. More in the glossary . If UniMás still doesn't appear, the antenna needs to point toward the KFTU-DT tower and handle UHF Higher frequencies (RF 14–36). Most stations are here; almost any antenna picks it up. More in the glossary .
Where UniMás 3.1 comes from
Which way to point for UniMás around Tucson (Sierra Vista)
Aim at the KFTU-DT tower . It stands apart from the main tower site, so it may need its own aim.
| From | Point | Distance |
|---|---|---|
| Marana, AZ | southeast (134°) | 97 mi |
| Oro Valley, AZ | southeast (137°) | 88 mi |
| Sierra Vista, AZ | east-southeast (105°) | 22 mi |
| Sahuarita, AZ | east-southeast (117°) | 67 mi |
| Safford, AZ | south (189°) | 95 mi |
| Willcox, AZ | south (188°) | 54 mi |
The antenna you need for UniMás in Tucson (Sierra Vista)
UniMás reaches ordinary TVs on UHF, so any antenna that picks up UHF will do. Close to the towers an indoor antenna by a window often works; farther out, height matters most: attic beats window, roof beats attic.
The best antenna for all of Tucson (Sierra Vista) · VHF Lower frequencies (RF 2–13). Needs an antenna with longer elements; many flat indoor antennas are weak here. More in the glossary
If 3.1 doesn't come in
UniMás is also on:
- 46.2 KUVE-DT
More free channels from KFTU-DT
- 3.2 Univision
Other networks in Tucson (Sierra Vista)
Questions about UniMás in Tucson (Sierra Vista)
What channel is UniMás on antenna in Tucson (Sierra Vista)?
Why did UniMás 3.1 disappear from my TV?
What antenna do I need for UniMás in Tucson (Sierra Vista)?
Where this comes from
- Stations, towers, channels and power: FCC Licensing and Management System (LMS) public database, data of .
- Networks and subchannels: our affiliations dataset, built from Wikipedia (used under CC BY-SA 4.0), the network field stations file with the FCC, and station websites; checked . Credits.
- Towns and distances: US Census Bureau: Vintage 2025 city population estimates (SUB-EST2025) and 2026 Gazetteer place coordinates; distances are straight-line from each town's Census centre point.
- Market area: Market area: counties assigned by FCC service-contour coverage of each market's full-power stations (FCC LMS market list, Census 2020).
Updated How we work this out