filled-aperture telescope

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filled-aperture telescope

instrument

Also known as: radio reflector

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major reference

In radio telescope: Filled-aperture telescopes
The largest single radio telescope in the world is the Five-hundred-metre Aperture Spherical Telescope (FAST), located in a natural depression in Guizhou province in China. It was completed in 2016. FAST was designed to observe objects within 40° from the zenith.
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operation of radio telescopes

In radio telescope: Principles of operation
…of radio telescope is the radio reflector consisting of a parabolic antenna, which operates in the same manner as a television satellite dish to focus the incoming radiation onto a small antenna called the feed, a term that originated with antennas used for radar transmissions (see figure). This type of…
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