IT Glossary



satellite dish

Parabolic microwave antenna used to transmit and receive satellite signals. On the downlink, the dish collects data or video signals from orbiting satellites and focuses them to where a feed horn collects them and passes the signal on to be amplified and sent to a satellite receiver or IRD. The term is derived from the shape of the reflector surface but also represents the entire antenna subsystem, including the feed horn and antenna structure.


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