July 26, 2006
Another communication patent find from wonderful Barry Fox for NewScientist.
"The layer of the atmosphere known as the ionosphere, at an altitude of 50 kilometres, is already used as a radio reflector, bouncing low frequency radio signals from one side of the world to the other.
Researchers at Samsung in Korea are now working on a way to turn the ionosphere into an antennaand have filed a patent.
Samsung sees the system as a cheap way to broadcast signals, or communicate over long distances, without needing to launch expensive satellites."
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