phone spacing 82 feet, inner offset 716 feet
survey=marine area=Off.Louisiana source=Airgun spread=offend
n1=1500 d1=.004 f1=.004 label1="Time (sec)"
n2=82 d2=.024994 f2=.218239 label2="Offset (km)"  
n3=1 
title="Oz 18" 
plottpow=2.117920