I long for much more detail about the engineering of this project, in particular the traffic engineering and routing aspects. Theres so many interesting possibilities there.
The FCC filing has a lot of good technical details on the deployment and frequency usage. Additionally, Mark Handley has a good primer on it. It may kill actual east-west terrestrial traffic due to latency improvements: https://www.youtube.com/watch?v=QEIUdMiColU