phone spacing 25 meters, inner offset 300 meters
survey=marine area=Canada source=Airgun spread=offend
n1=2500 d1=.002 f1=.002 label1="Time (sec)"
n2=48 d2=.025 f2=.300 label2="Offset (km)"
n3=1
title="Oz 28"
plottpow=2.479004