This television techonology is delivered by way of communications satellites. In many areas of the world satellite television services supplement older terrestrial signals, providing a wider range of channels and services, including subscription-only services (accessing a private signal).
A transmitting antenna located at an uplink facility is pointed toward a specific satellite and the signals are transmitted within a specific frequency range. A transponders tuned to that frequency range aboard that satellite picks the signals sends them back to Earth but at a different frequency band. The the signals are collected by a parabolic receiving dish (your satellite antena at home).
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