Program sfvczo2 | Post-stack 2-D velocity continuation in the time-stretch frequency domain. 
[SYNOPSIS]
sfvczo2 < in.rsf > out.rsf verb=y nv= dv= v0=
[PARAMETERS]
float   | dv | = |   | 	velocity step size 
int     | nv | = |   | 	velocity steps 
float   | v0 | = |   | 	starting velocity 
bool    | verb | =y |  [y/n] | 	verbosity flag 
[DIRECTORY]
system/seismic
