Guinness World Records - Officially Amazing

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For the record

  • Who:

  • What: Largest dish radio telescope

  • Where:

The world's largest dish radio telescope is the partially-steerable ionospheric assembly built over a natural bowl at Arecibo, Puerto Rico, completed in November 1963. The dish has a diameter of 305 m (1000 ft) and covers 7.48 ha (18.5 acres), an area equivalent to roughly 14 American football fields.


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