Program sfricker | Ricker wavelet estimation. 
[SYNOPSIS]
sfricker < in.rsf > out.rsf ma=ma.rsf m=f0+0.25*(na-1)*df niter=100 verb=n
[PARAMETERS]
float   | m | =f0+0.25*(na-1)*df |   | 	initial frequency 
file    | ma | = |   | 	auxiliary output file name
int     | niter | =100 |   | 	number of iterations 
bool    | verb | =n |  [y/n] | 	verbosity flag 
[DIRECTORY]
system/seismic
