Program sffkdmo | Offset continuation by log-stretch F-K operator. 
[SYNOPSIS]
sffkdmo < in.rsf > out.rsf h= nh=1 h0=0.
[PARAMETERS]
float   | h | = |   | 	final offset 
float   | h0 | =0. |   | 	initial offset 
int     | nh | =1 |   | 	number of offset steps 
[DIRECTORY]
system/seismic
