Structure - Drift
Drift = 

        oasis: [6x594 double]
          gps: [10x3505 double]
           ct: [3x174 double]
           o2: [3x314 double]
    satlantic: [12x106 double]
         isus: [5x780 double]
          hs2: [4x169 double]
     gashound: [27x209 double]
     
     Drift.oasis    		
     1)Time - sdn	
     2)Can Temp	
     3)Voltage	
     4)Current	
     5)Pressure	
     6)Unused
     
     Drift.Gps			
     1)Time - sdn	
     2)Latitude
     3)Longitude
     4)std_dev  
     5)samples  
     6)time_on  
     
     Drift.ct			
     1)Time	- sdn	
     2)Temperature	
     3)Salinity	
     
     Drift.o2		
     1)Time	- sdn		
     2)Voltage		
     3)Oxygen-Calculated
     
     Drift.satlantic
     1)Time - sdn
     2)Lu412
     3)Lu443
     4)Lu490
     5)Lu510
     6)Lu555
     7)Lu670
     8)Lu683
     9)Ed412
     10)Unused
     11)Temperature
     12)Chlorophyll-Calculated
     
     Drift.isus		
     1)Time - sdn			
     2)Temp			
     3)Nitrate		
     4)Salinity('Optical'[PSS])
     5)RMS(Fit Quality)	
     
     Drift.hs2		
     1)Time	- sdn	
     2)Bb470		
     3)Bb683		
     4)Fluorescence 683
     
     Drift.gashound
     1)Time - sdn
     2)CO2 time format mmddhhmm	
     3)Battery voltage seen by Gashound
     4)System pressure in kPa during equilibration - pump on
     5)System temperature (deg C)
     6)pCO2 during equilibration - pump on
     7)Oxygen voltage output during equilibration - pump on
     8)System pressure in kPa after equilibration - pump off
     9)System temperature (deg C)
     10)pCO2 after equilibration - pump off
     11)Oxygen voltage output after equilibration - pump off
     12)System pressure in kPa during zero cycle - pump on
     13)System temperature (deg C)
     14)pCO2 during zero cycle - pump on
     15)System temperature (deg C)
     16)System pressure in kPa during zero cycle - pump off
     17)pCO2 during zero cycle - pump off
     18)System pressure in kPa during air sampling - pump on
     19)System temperature (deg C)
     20)pCO2 during air sample - pump on
     21)Oxygen voltage output during air sampling - pump on
     22)System pressure in kPa during air sampling - pump off
     23)System temperature (deg C)
     24)pCO2 during air sample - pump off
     25)Oxygen voltage output during air sampling - pump off
     26)Water 0xygen Saturation from Atmosphere-Corrected to Standard and Calculated
     27)pCO2 difference between Air and Water-Calculated