Program sfpcrdata2 | Prepare data for 2-D angle-domain migration. 
[SYNOPSIS]
sfpcrdata2 < data.rsf > out.rsf verb=n absoff=n filter=y KMAH=y diff=y
[PARAMETERS]
bool    | KMAH | =y |  [y/n] | 	y - account for phase shifts due to KMAH index 
bool    | absoff | =n |  [y/n] | 	y - absolute offset (default - relative to shot axis) 
bool    | diff | =y |  [y/n] | 	y - apply half-order differentiation 
bool    | filter | =y |  [y/n] | 	y - antialiasing filter for data 
bool    | verb | =n |  [y/n] | 	verbosity flag 
[DIRECTORY]
user/cram
