INFORMATION FOR BODC SERIES REF. NO.    33865                  
                                                                                
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                         Sea Floor Pressure Gauge Inventory Number :   6955     
                                                                                
 Start Time : 16 Mar 1977 1924 GMT                  Latitude  :  53deg 46.0min N
 End Time   : 17 Apr 1977 1034 GMT                  Longitude : 003deg 43.0min W
                                                                                
 Nominal Cycle Interval   :  600.0 secs         Sensor Depth    :     41.00m    
                                                Sea Floor Depth :     41.00m    
                                                                                
 Positional Uncertainty   : 0.1 to 0.5 n.miles                                  
 Depth Datum              : Instantaneous                                       
                                                                                
 Data Category            : Offshore sea floor pressure series                  
 Instrument Type          : Tide gauge (unspecified)                            
 Instrument Mounting      : Sea floor - fixed                                   
 Originator Laboratory    : Proudman Oceanographic Laboratory, Bidston, UK      
 Originator's Identifier  : 771/977/075                                         
                                                                                
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 Additional information stored with the data:                                   
                                                                                
    Station 10, Irish Sea.                                                      
    Clock gained 18 seconds over 60 days, 22 hours; the cycle interval and time 
    values have been corrected.                                                 
                                                                                
    Instrument characteristics and calibration factors                          
    Aanderaa Current meter/Pressure recorder, logger 1747, sensor DIG 5/2       
           Original sampling interval          10 minutes                       
           Integration period                        600s                       
           No temperature correction made                                       
           Pressure sensitivity at 8degC       6.68 mb/Hz                       
           To convert pressure to elevation the following                       
           values should be used:                                               
           Density (from CTD casts)         1026.379kg/m3                       
           Gravitational acceleration constant  9.814m/s2                       
                                                                                
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 The following additional documents apply to this series:                       
                                                                                
  27731; I.O.S. Calibration and Data Processing of Off-Shore Tide Gauge Data    
  27793; Aanderaa Current Meter/Pressure Recorder                               
                                                                                
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