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The Helios radio astronomy experiment (1984)

Stone, R. ; Kayser, S.

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Publication Date: 2019-01-25

Description: Radio bursts traveling between the Sun and the Earth were tracked by radio astronomy experiments on Helios 1 and 2. A relatively short dipole antenna with a well-defined toroidal reception pattern was flown. The antenna spins in the ecliptic at 60.3 rpm and 2 frequencies are measured in each revolution. The signal analysis determines the strength of the signal, the direction of the source in the ecliptic, and the degree of modulation, and estimates source size. The experiments provide three-dimensional direction finding in space. They extend the radio frequency window beyond what is observable on Earth, and offer a long triangulation baseline.

Keywords: ASTRONOMY

Type: DFVLR Ten Years of Helios; p 111-114

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