multi-beam receiver

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An array of feed horns and receivers mounted at the focus of a radio telescope which form a number of independent beams on the sky. Multi-beam receivers considerably reduce the time taken to complete a radio source survey, the actual time saving depending on the numbers of beams. A 13-beam receiver was installed in 1997 at Parkes Observatory, Australia, and receivers with 100 beams for use at very high frequencies are being designed.

Subjects: Astronomy and Astrophysics.

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