This chapter discusses antennas used for radio astronomy observations carried out from spacecraft. The considerations for space radio astronomy antennas differ somewhat from those applied to satellite communications and remote sensing of the Earth. Radio astronomy observations from space cover an enormous range in frequency from below 1MHz to over 1000 GHz. The upper frequency limit is certainly arbitrary as the terminology as well as the technology change gradually as one move from the submillimeter to the far infrared. This necessarily incomplete discussion includes four areas in which space observations have played a major role: cosmic microwave background observations, submillimeter/far‐infrared astronomy, low frequency radio astronomy, and space very long baseline interferometry. For each area, the chapter discusses key aspects of antenna performance and gives a summary of the space missions with some detailed information about the antennas that have been employed. radio astronomy; remote sensing; satellite communication; space vehicle antennas
Space Antennas for Radio Astronomy
Space Antenna Handbook ; 629-663
2012-05-25
35 pages
Article/Chapter (Book)
Electronic Resource
English
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