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Henri Busignies and the Development of the Huff-Duff System

Henri Busignies and the Development of the Huff-Duff System

Harald Sack
On December 29, 1905, French engineer Henri Gaston Busignies was born. Busignies is best known for his contributions to radar, radio communication, and radio navigation. His invention (1936) of high-frequency direction finders (HF/DF, or “Huff-Duff“) permitted the U.S. Navy during World War II to detect enemy transmissions and quickly pinpoint the direction from which a radio transmission was coming. Early Years Henri Gaston Busignies was born in Sceaux, in suburban Paris, France, the…
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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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physics
John Randall and the Cavity Magnetron

John Randall and the Cavity Magnetron

Tabea Tietz
On March 23, 1905, British physicist and biophysicist Sir John Randall was born. Randall is credited with radical improvement of the cavity magnetron, an essential component of centimetric wavelength radar, which was one of the keys to the Allied victory in the Second World War. It is also the key component of microwave ovens. He also led the King’s College, London team which worked on the structure of DNA. John Randall –…
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astronomy
Sir Bernard Lovell and the Radioastronomy

Sir Bernard Lovell and the Radioastronomy

Harald Sack
On August 31, 1913, English physicist and radio astronomer Sir Bernard Lovell was born. He was a pioneer in radar and radio telescopes and especially renowned for creating the Jodrell Bank radio telescope, the only antenna that could track rockets in space in the early years of the space race between the United States and the Soviet Union. “Out of all possible universes, the only one which can exist, in the sense that…
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engineering
Robert Alexander Watson-Watt and the Radar Technology

Robert Alexander Watson-Watt and the Radar Technology

Harald Sack
On February 26, 1935, British engineer and Fellow of the Royal Society Robert Alexander Watson-Watt started with first experiments on detecting and locating aircrafts with radio technique, later called ‘RADAR‘. Radar was initially nameless and researched elsewhere but it was greatly expanded on 1 September 1936 when Watson-Watt became Superintendent of Bawdsey Research Station located in Bawdsey Manor, near Felixstowe, Suffolk. Work there resulted in the design and installation of aircraft detection and tracking stations…
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