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ATSC 3.0 is usable. I have a HDHomerun sitting on my LAN with a couple 3.0 tuners.
The big problem is:
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the 3.0 broadcasts are still mostly tests, so you get mostly a respin of a 1.0 channel
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the audio is AC-4 and a lot of software doesn’t support it. There was stuff for Windows but when I looked, the usual suspects (VLC, mpv) on Linux didn’t support it
Presumably “femoids” or some other 4chan coinage.