Other
Scientific paper
May 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992ssrv...60..565h&link_type=abstract
Space Science Reviews (ISSN 0038-6308), vol. 60, no. 1-4, May 1992, p. 565-590. Research supported by NASA, BMFT, amd DLR.
Other
15
Galileo Spacecraft, Jupiter Atmosphere, Jupiter Satellites, Radio Equipment, Radio Observation, Satellite-Borne Instruments, Doppler Effect, Galilean Satellites, Polarization Characteristics, Radio Frequencies
Scientific paper
Galileo radio-propagation experiments are based on measurements of absolute and differential propagation time delay, differential phase delay, Doppler shift, signal strength, and polarization. These measurements can be used to study: the atmospheric and ionospheric structure, constituents, and dynamics of Jupiter; the magnetic field of Jupiter; the diameter of Io, its ionospheric structure, and the distribution of plasma in the Io torus; the diameters of the other Galilean satellites, certain properties of their surfaces, and possibly their atmospheres and ionospheres; and the plasma dynamics and magnetic field of the solar corona. The spacecraft system provides linear rather than circular polarization on the S-band downlink signal, the capability to receive X-band uplink signals, and a differential downlink ranging mode. A highly-stable, dual-frequency, spacecraft radio system is developed that is suitable for simultaneous measurements of all the parameters normally attributed to radio waves.
Bird Michael K.
Edenhoffer P.
Eshleman V. R.
Hinson David P.
Howard H. T.
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