1 inner offset zero trace (31) added; source at trace 31 phone spacing 100 meters, inner offset 100 meters survey=land area=N.Africa source=Vibroseis spread=split n1=2500 d1=.002 f1=.002 label1="Time (sec)" n2=61 d2=.100 f2=-3.000 label2="Offset (km)" n3=1 title="Oz 38" plottpow=0.167969