phone spacing 25 meters, inner offset 233 meters
survey=marine area=S.Amer source=Airgun spread=offend
n1=1275 d1=.004 f1=.004 label1="Time (sec)"
n2=48 d2=.025 f2=.233 label2="Offset (km)"
n3=1
title="Oz 16" 
plottpow=2.975586