PCO2 merged Mat file Column # Name Note 7 Raw voltage (IR), mV 8 Cell temperature, degC 9 Barometer, MBar 10 Concentration, ppm 11 Equilibrated temperature, degC 12 pCO2 pressure, microAtm 13 Flow rate, ml/min 14 Source ID #, 1 or 2 digits 15 Valve position, 1 or 2 digits 16 Flow source (Equil = pCO2 measurement), text 19 TSG external temperature, degC 20 TSG salinity, PSU 21 TSG fluorometry, V 22 RVDAS true wind speed, m/s 23 RVDAS true wind direction, degrees 24 Barometric Pressure, mBars 25 Uncontaminated seawater pump flow rate, l/min 26 Speed over ground, knots 27 Course made good, degrees 28 Input Source, -1 stem Thurston; 0 moonpool