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I could imagine more TX power on the balloon (nobody's in the way so it shouldn't do damage), as well as more sensitive RX antennae, since there isn't the same

I could imagine more TX power on the balloon (nobody's in the way so it shouldn't do damage), as well as more sensitive RX antennae, since there isn't the same size or weight restriction as on an airplane or a satellite. Come to think of it, an unmanned balloon is actually the wet dream from an antenna standpoint.

zw123456 12y ago
Yup. The downlink is always easy (from the tower to the phone). The uplink is always the weakest link because the size of the device, the limited battery the limited size of the antenna due to the form factor of the phone and so on. If it was strictly a broadcast solution it would be a lot easier, but even if you are streaming youtube, you still need the uplink for TCP and so on.