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Edwin Howard Armstrong

astronomy
Project Diana hits the Moon… in 1946

Project Diana hits the Moon… in 1946

Tabea Tietz
On January 10, 1946 the U.S. Army Project Diana team detected radar signals reflected off the moon‘s surface. This was the first experiment in radar astronomy and the first active attempt to probe another celestial body. Project Pioneer John H. DeWitt Project Diana was designed in order to bounce radar signals off the Moon and receive the reflected signals, which became the first known attempt to probe another celestial body. Pioneer of…
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engineering
Edwin Armstrong and Frequency Modulation

Edwin Armstrong and Frequency Modulation

Tabea Tietz
On December 18, 1890, American electrical engineer and inventor Edwin Howard Armstrong was born. Armstrong is best known for developing FM (frequency modulation) radio. He held 42 patents and received numerous awards, including the first Medal of Honor awarded by the Institute of Radio Engineers. Early Years Edwin Armstrong was the first of three children of John Armstrong and Emily Smith Armstrong. His father was a representative of the US branch of…
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