SUACOR - auto-correlation                           

 suacor <stdin >stdout [optional parms]                    

 Optional Parameters:                                      
 ntout=101  odd number of time samples output              
 norm=1     if non-zero, normalize maximum absolute output to 1  
 sym=1            if non-zero, produce a symmetric output from         
                  lag -(ntout-1)/2 to lag +(ntout-1)/2           

 Credits:
      CWP: Dave Hale

 Trace header fields accessed:  ns
 Trace header fields modified:  ns and delrt