Abstract
An extensive series of complete determinations of the linear polarization of Jupiter's radio emission at wavelengths of 6, 10, 11, 21, 74, and 100 cm is presented. A search for circular polarization at a wavelength of 31 cm is reported. Recordings of a lunar occultation of the source are also given. The rocking of the plane of polarization with rotation of the planet is shown to be asymmetric in form, probably reflecting some asymmetry in the radiation belt. The beaming of the radiation is used to infer the pitch angle distribution of the electrons in the belt. The distribution appears to change with energy, relatively more of the higher energy electrons being in very flat helices. The flux density of both the polarized and unpolarized nonthermal radiation is shown to be essentially independent of wavelength over the range from 6 to 74 cm.
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