Program sfss | generate simultaneous sources grid from delay file 
[SYNOPSIS]
sfss < in.rsf > out.rsf n1=1000 o1=0.0 d1=0.004 l1= u1=
[PARAMETERS]
float   | d1 | =0.004 |   | 	original  
string  | l1 | = |   | 	label "Time" 
int     | n1 | =1000 |   | 	samples 
float   | o1 | =0.0 |   | 	sampling interval 
string  | u1 | = |   | 	unit "s" 
[DIRECTORY]
user/chen
