The format of the data is as follows (Oct.-11, 2004, amue):

#1: time in minutes after Nov.-17, 1858 00:01 UTC (modified Julian Day)

#2: longitude

#3: latitude

#4: bin number

#5: velocity east (cm/s)

#6: velocity north (cm/s)

#7: bottom depth either from bottom-track or SeaBeam

#8: ship's speed (m/s)

#9: ship's heading (degrees)

#10: percent good pings (passing screening) water tracking ping

#11: percent good pings (passing screening) bottom tracking pings

#12: percent bottom-tracking pings (100-#12 give percent GPS-referenced pings)

#13: vertical velocity (cm/s) for quality control

#14: error velocity (cm/s) for quality control

#15: standard deviation of ship speed (cm/s) during averaging interval

#16: echo intensite (db)

#17: ignore

#18: standard deviation of water velocity (cm/s) during averaging interval

#19: Center of bin depth (m) below surface 

#20: Profile number