The Magellan Global Reflectivity Data Record (GREDR) archive contains reflectivity data acquired by the Magellan spacecraft during its mission to Venus.

 
Citation Ford, P. G., MGN V RDRS 5 GLOBAL DATA RECORD REFLECTIVITY V1.0, MGN-V-RDRS-5-GDR-REFLECTIVITY-V1.0, NASA Planetary Data System, 1992
Digital Object Identifier (DOI) 10.17189/1522517
Data Set Abstract This data set contains the Magellan Global Reflectivity Data Record (GREDR). The power reflection coefficients are derived by fitting altimeter echoes from the fan-beam altimetry antenna as a function of time to Hagfors' radar backscatter model templates. The values are then corrected for the presence of multiple echo peaks and further corrected for diffuse scattering using backscatter data obtained by the side-looking mode of the Magellan radar. Each GREDR image pixel is represented by a 8-bit unsigned integer.
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    Additional Information
    Mission Information MAGELLAN
    Data Set Information MGN-V-RDRS-5-GDR-REFLECTIVITY-V1.0
    Instrument Host Information MGN
    Instrument Information RDRS
    Target Information VENUS