INFORMATION FOR BODC SERIES REF. NO.    33957                  
                         Sea Floor Pressure Gauge Inventory Number :   6961     
 Start Time : 25 Mar 1978 0822 GMT                  Latitude  :  51deg 45.0min N
 End Time   : 13 May 1978 0837 GMT                  Longitude : 006deg 36.0min W
 Nominal Cycle Interval   :  900.0 secs         Sensor Depth    :     70.00m    
                                                Sea Floor Depth :     70.00m    
 Positional Uncertainty   : 0.1 to 0.5 n.miles                                  
 Depth Datum              : Instantaneous                                       
 Project                  : IOS Celtic Sea Experiment 1978                      
 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  : 782/978/084                                         
 Additional information stored with the data:                                   
    Station B, Celtic Sea.                                                      
    On recovery instrument had stopped due to a flat battery, so no timings  at 
    the end of the record were available, hence no time corrections made.       
    Instrument characteristics and calibration factors                          
    Aanderaa Current meter/Pressure recorder, logger 1747, sensor DIG 280       
           Original sampling interval          15 minutes                       
           Integration period                        900s                       
           No temperature correction made                                       
           Pressure sensitivity at 7.66degC   0.1525Hz/mb                       
           To convert pressure to elevation the following                       
           values should be used:                                               
           Density (from CTD casts)           1027.0Kg/m3                       
           Gravitational acceleration constant  9.812m/s2                       
 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        :   27220