INFORMATION FOR BODC SERIES REF. NO.    34230                  
                         Sea Floor Pressure Gauge Inventory Number :   6964     
 Start Time : 07 Sep 1980 2157 GMT                  Latitude  :  49deg 39.6min N
 End Time   : 23 Oct 1980 0957 GMT                  Longitude : 008deg 31.7min W
 Nominal Cycle Interval   :  900.0 secs         Sensor Depth    :    140.00m    
                                                Sea Floor Depth :    140.00m    
 Positional Uncertainty   : 0.1 to 0.5 n.miles                                  
 Depth Datum              : Mean sea level                                      
 Project                  : IOS Celtic Sea Experiment 1980                      
 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  : 8010/980/251                                        
 Additional information stored with the data:                                   
    Station G, Celtic Sea.                                                      
    Clock lost 14 seconds over 49 days, 20.25 hours;  the  cycle  interval  and 
    time values have been corrected.                                            
    Instrument characteristics and calibration factors                          
    Aanderaa Current meter/Pressure recorder, logger 302, sensor DIG 4161       
           Original sampling interval          15 minutes                       
           Integration period                        900s                       
           Temperature coefficient             0.0mb/degC                       
           Pressure sensitivity at 10.08degC 0.12896Hz/mb                       
           To convert pressure to elevation the following                       
           values should be used:                                               
           Density (from CTD casts)          1026.51kg/m3                       
           Gravitational acceleration constant  9.810m/s2                       
    Discontinuity of approximately 70  millibars  in  pressure  record  between 
    0727h and 0743h 19 Oct 1980.                                                
 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        :   28542