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SIOSEIS script to filter, remove water column, and plot.

sioseis << eof
procs diskin filter wbt mute plot end
diskin
   fno 55 lno 2000 allno no
   ipath 5a.stk end
end
mute
   ttp 1 -.025 addwb yes end
end
wbt
   peak neg sepp 1 3 track .05 end
end
filter
   pass 40 400 dbdrop 48 ftype 0 end
end
plot
  stime 1
    nibs 2858 srpath sunfil.ras taginc 2 ann gmtint anninc 1 wiggle 0
    trpin 300 def .005  nsecs 3 vscale 2.5
    end
end
end
eof