For CSPD  and VPRTM processing, multi-channel seismic data prepared for pre-stack time migration are required. The data must be in SEG-Y format with static corrections applied (do not apply kinematic corrections!) and with source and receiver coordinates in trace headers. RMS velocities, in a text file consisting of lines in format:  x_coordinate (m)   y_coordinate (m)  time (ms)  RMS_velocity (m/s), are also required.

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