We’ve been doing this since the 60s. Down to the resolution of a dime.
The only thing new here is its in civilian hands and supposedly based on a small airplane. I agree the 30km altitude seems bogus. Some of the drones fly that high. More likely its simply wrong or a lie.
Its simply a matter of resolution, data storage and bandwidth.
“Its simply a matter of resolution, data storage and bandwidth.”
Exactly.