The caveat is on the operator's side. Your satellites need to be much closer to the user, that means much less square miles of coverage per satellite, due to th

The caveat is on the operator's side. Your satellites need to be much closer to the user, that means much less square miles of coverage per satellite, due to the Earth's curvature. So you need like 1000x more satellites compared to the 10 Amp antenna setup, but if you have an economically viable way of launching them, you're good to go.