South Africa is shortlisted to host the Square Kilometre Array (SKA), the most powerful radio telescope ever. South Africa is building an SKA technology pathfinder telescope, the Karoo Array Telescope (known as MeerKAT).

Radio astronomy reserve

South Africa's Parliament passed the Astronomy Geographic Advantage Act of 2007, which declares the Northern Cape Province as an astronomy advantage area. An area of 12.5 million hectares around the proposed core of the SKA will be protected as a radio astronomy reserve, with strict regulations controlling the generation and transmission of interfering radio signals in the reserve and the area around it.

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South Africa's new Astronomy Geographic Advantage Act protects 12.5 million hectares in the Northern Cape as a radio astronomy reserve to ensure the future of radio astronomy in the region.