INFORMATION FOR BODC SERIES REF. NO.    33828                  
                                                                                
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                         Sea Floor Pressure Gauge Inventory Number :   6952     
                                                                                
 Start Time : 12 Mar 1976 0152 GMT                  Latitude  :  58deg 56.0min N
 End Time   : 15 Apr 1976 1852 GMT                  Longitude : 001deg 15.0min W
                                                                                
 Nominal Cycle Interval   :  900.0 secs         Sensor Depth    :    113.00m    
                                                Sea Floor Depth :    113.00m    
                                                                                
 Positional Uncertainty   : 0.1 to 0.5 n.miles                                  
 Depth Datum              : Instantaneous                                       
                                                                                
 Project                  : JONSDAP 1976                                        
                                                                                
 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  : 762/976/072                                         
                                                                                
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 Additional information stored with the data:                                   
                                                                                
    Station 54, Northern North Sea                                              
    Clock gained 12 seconds over 50 days 0 hours; the cycle interval  and  time 
    values have been corrected.                                                 
                                                                                
    Instrument characteristics and calibration factors                          
           OSTG Mk II, logger 02, sensor DIG  5/1                               
           Original sampling interval          15 minutes                       
           Integration period                        900s                       
           Temperature coefficient             2.8mb/degC                       
           Pressure sensitivity at 6.3degC     0.200Hz/mb                       
           To convert pressure to elevation the following                       
           values should be used:                                               
           Density (from CTD casts)         1027.548kg/m3                       
           Gravitational acceleration constant  9.818m/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    
  27762; Off-Shore Tide Gauge Mark II                                           
 Project Document        :   12764                                              
                                                                                
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