3 ms·
A cell tower today is basically a selective directional broadcast of ~2.5GHz backed by a microwave backhaul, conforming to local topography and about ~3 miles a
by chris_va 6y ago
A cell tower today is basically a selective directional broadcast of ~2.5GHz backed by a microwave backhaul, conforming to local topography and about ~3 miles away.
An internet satellite is a phased array broadcast of ~20Ghz with a microwave backhaul without regard for local topography and about ~600 miles away.
... I am not sure there is obviously a better choice here, if the launch costs no longer dominate.
- bargl 6y ago>... I am not sure there is obviously a better choice here, if the launch costs no longer dominate. I'm basing my entire comment on existing costs due to SpaceX efficiency. We'd need (IMO) more cost reduction.