On: Project Loon: Google’s biggest obstacle isn’t technology, it's politics

[MostAwesomeDude]

Loons aren't eavesdroppers. They only operate on very specific spectra in order to ensure high bandwidth.

[ge0rg → MostAwesomeDude]

They transmit on very specific frequencies, but they could have wide-band receivers on board, listening to whatever is interesting to the operators (filtering has to be applied because the downlink is limited).