Program sftimefreq | Time-frequency analysis using local attributes. 
[SYNOPSIS]
sftimefreq < time.rsf > timefreq.rsf mask=mask.rsf nw= dw= w0=0. rect=10 niter=100 phase=n
[PARAMETERS]
float   | dw | = |   | 	f	requency step 
string  | mask | = |   | 	auxiliary input file name
int     | niter | =100 |   | 	number of inversion iterations 
int     | nw | = |   | 	number of frequencies 
bool    | phase | =n |  [y/n] | 	output phase instead of amplitude 
int     | rect | =10 |   | 	smoothing radius 
float   | w0 | =0. |   | 	first frequency 
[DIRECTORY]
user/fomels
