The 1999 Blackfoot 3C-3D data was reprocessed and an f-x spectral analysis was carried out. The results show that the data of the natural bin size (40m x 80m) in the MEGA survey still have good frequency spectra and good resolution in time and in space. The anisotropy analysis was also carried out for the radial component of the 1999 seismic. No obvious anisotropy was found in this data.
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