Go to the list of seismic processes.      Go to SIOSEIS introduction.

sioseis << eof
procs diskin filter gains plot prout end
diskin
     ipath /data/vol2/henkart/cande/fdm.line6.1 end
end
filter
   ftype 0 dbdrop 48 pass 20 70 end
end
plot
   bcolor white
   colors -.009 blue -.006 cyan -.0045 green 0 white 
         .0045 yellow .006 magenta .009 red
   opath  siofil6.1
   scalar 2.5E-03 
   wiggle 0 stime 1 tlines .5 1.
    nsecs 5  ann gmtint anninc 5
   nibs 2859 trpin 300 vscale 1.6667 def .08 clip .02 end
end
prout
   fno 0 lno 99999 ftr 0 ltr 9999 noinc 100 end
end
gains
   type 3 alpha 2.75 end
end
end
eof
#sioplt siofil6.1