I think the Aereo case is an interesting precedent [0] [1]. An individual DVR-ing over-the-air broadcasts with an antenna was fine. A corporation DVR-ing over-the-air-broadcasts for thousands of customers by using thousands of tiny antennas was not fine.

[0]: https://en.wikipedia.org/wiki/American_Broadcasting_Cos.,_In.... [1]: https://www.vox.com/2018/11/7/18073200/aereo