Electrical Engineering: Biographies

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Jansky, Karl

World Encyclopedia | 2005 | Copyright

Jansky, Karl (1905–50) US engineer, who discovered (1931) unidentifiable radio signals from space. He concluded that they were stellar in origin and that the source lay in the direction of Sagittarius. Jansky's discovery is considered to be the beginning of radio astronomy. The unit measuring radio emission is named after him.

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