Question: what is atsc 3.0 ota tv?
Answer: It's called ATSC 3.0, or Next Gen TV. The benefits of this standard are clear: Better reception, 4K HDR video support, Dolby Atmos and DTS-X support, on-demand video, and possibly even streaming to mobile devices and automobiles. (The standard also has also some iffier aspects, such as targeted advertising.)