INFORMATION FOR BODC SERIES REF. NO.    34174                  
                                                                                
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                         Sea Floor Pressure Gauge Inventory Number :   6937     
                                                                                
 Start Time : 06 May 1981 0622 GMT                  Latitude  :  53deg 14.4min N
 End Time   : 16 Jun 1981 1422 GMT                  Longitude : 002deg 06.0min E
                                                                                
 Nominal Cycle Interval   :  900.0 secs         Sensor Depth    :     35.00m    
                                                Sea Floor Depth :     35.00m    
                                                                                
 Positional Uncertainty   : 0.1 to 0.5 n.miles                                  
 Depth Datum              : Instantaneous                                       
                                                                                
 Project                  : IOS North Sea Experiment 1981                       
                                                                                
 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  : 814/981/126                                         
                                                                                
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 Additional information stored with the data:                                   
                                                                                
    Station B, North Sea.                                                       
    Clock gained 4 seconds over 59 days, 22.75 hours; the  cycle  interval  and 
    time values have been corrected.                                            
                                                                                
    Instrument characteristics and calibration factors                          
           Aanderaa Current meter/Pressure recorder, sensor DIG 4132            
           Original sampling interval          15 minutes                       
           Integration period                        900s                       
           Temperature coefficient             0.0mb/degC                       
           Pressure sensitivity at 8.770degC   0.120Hz/mb                       
                                                                                
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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                               
 Project Document        :   28556                                              
                                                                                
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