More than a decade after TV stations shut down analog broadcasts and fully transitioned to digital, the industry is once again making major changes to the way stations transmit over-the-air signals.

With all the streaming and cable options out there, about a fifth of Americans still do watch at least some TV with an old-fashioned antenna. Stations have been working to upgrade their signals, ...

Walt Disney Co.’s KABC-TV Channel 7 station, which uses communications towers near Mt. Wilson, lost its over-the-air signal Friday as the Eaton fire continued its rampage through mountainous terrain.

A decade and a half after TV stations shut down analog broadcasts and fully transitioned to digital, the industry is once again making major changes to the way stations transmit over-the-air signals.