Is any TV broadcast in 4k?

Related questions

1. Will HDR work on 1080p?
2. Is uhd or HDR better?
3. Will 4k DVD play on 1080p TV?
4. What is UHD TV with HDR?
5. Is a UHD TV the same as 4k?
6. Will 4k play on 1080p TV?
7. Can I watch uhd on 1080p?
8. Will uhd play on HD TV?
9. Can you see difference between 4k 1080p?
10. Does full HDTV support HDR?

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