Bistatic observations of Titan's surface with the Huygens probe radio signalPublication date: 25 Jul 2006 Authors: Pérez-Ayúcar, M. et al.
Journal: Journal of Geophysical Research Copyright: American Geophysical Union Huygens provided an unanticipated bistatic radio scattering experiment from Titan's surface. After a successful entry and descent on Titan, on 14 January 2005, the probe remarkably survived the landing and continued radioing from the surface to the overflying Cassini, until the orbiter set below Titan's local horizon. Here we report high-quality measurements of the 2098 MHz (14.3 cm) postlanding radio signal, focusing on the striking variations observed in signal strength. The mechanism that creates this fading pattern is physically interpreted as multipath interference between the direct signal and the signal reflected on Titan's surface. The geophysical aspects that could bear on the signal analysis are described.
Last Update: 28 Jul 2006
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