You might have free 4K broadcast TV in your area — here’s how to check

You might think of broadcast TV as a little dated and old school, and to a certain extent, that's true. Streaming offers on-demand movies and shows in 4K resolution.But streaming services aren't free. Over-the-air TV broadcasts are, and plenty of modern broadcast stations actually support modern tech like 4K resolution and HDR.It's all available thanks to ATSC 3.0, also known as NextGen TV, which is the latest spec of broadcast TV that does away with outdated SD broadcasting in favor of a much more modern approach. Here's how you can tune in.Free 4K TV is here! (Mostly)We've written at length about NextGen TV and even have a list of the best TVs that with an ATSC 3.0 tuner. In short, ATSC offers a 4K resolution, along with HDR standards like HDR10, HLG, and even Dolby Vision (though that's not necessarily all that common as most broadcasters tend to prefer the more widely supported versions of HDR).That's a huge upgrade over ATSC 1.0, which did not support any form of HDR and was limit...