What is Ku band used for?

The Ku band is mainly used for satellite communications, especially downlink, used by direct-transmission satellites for satellite television and specific applications such as the NASA’s Tracking Data Relay Satellite used for both the space shuttle and for communications from the International Space Station (ISS).

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How many transponders are in a satellite?

Early Bird had just one transponder capable of sending just one TV channel. The Boeing 702 series of satellites, in contrast, can have more than 100 transponders , and with the use of digital compression technology each transponder can have up to 16 channels, providing more than 1,600 TV channels through one satellite.

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