4K broadcasts are pretty new, and most TVs out there probably don't have ATSC 3 receivers.[0] Do cable and satellite providers broadcast 4K? UHD Blurays have be

4K broadcasts are pretty new, and most TVs out there probably don't have ATSC 3 receivers.[0] Do cable and satellite providers broadcast 4K? UHD Blurays have been out for over 5 years at this point, but I'm not able to tell how much they've penetrated the market. Then there's the other question of: does the average person notice the difference between a 1080p TV and a 4K TV? [0] https://en.wikipedia.org/wiki/ATSC_3.0 https://en.wikipedia.org/wiki/ATSC_3.0