I'm using ADSBExchange but putting together my own stuff tomorrow. But I'll only be able to pick up a small area. Maybe a state or 2 out from my house.
Just found this looking for this document.
https://www.esd.whs.mil/Portals/54/Documents/DD/issuances/dodd/231101p.pdf?ver=2020-07-02-143157-007
this is totally a gut feeling but I think as of 11:59am Jan 20,2021, the UNITED STATES OF AMERICA, INC. is over.