Header definitions:

1	Cruise ID
2	Julian Day
3	Date
4	UTC
5	Latitude N
6	Longitude E
7	atmospheric xCO2 (interpolated) [ppm]
8	atmospheric fCO2 (interpolated) [uatm]
9	atmospheric pressure at sea-surface [hPa]
10	SST [C]
11	SSS
12	Pressure of equilibration [hPa]
13	Temperature of equilibration [C]
14	fCO2 at SST [uatm]
15	pCO2 at SST [uatm]
16	xCO2 at SST [ppm]