INFORMATION FOR BODC SERIES REF. NO.    34266                  
                         Sea Floor Pressure Gauge Inventory Number :   6965     
 Start Time : 30 Aug 1980 2137 GMT                  Latitude  :  51deg 08.4min N
 End Time   : 25 Oct 1980 0607 GMT                  Longitude : 009deg 47.8min W
 Nominal Cycle Interval   :  900.0 secs         Sensor Depth    :    117.00m    
                                                Sea Floor Depth :    117.00m    
 Positional Uncertainty   : 0.1 to 0.5 n.miles                                  
 Depth Datum              : Instantaneous                                       
 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  : 8013/980/243                                        
 Additional information stored with the data:                                   
    Station M, Celtic Sea.                                                      
    Clock gained 16 seconds over 63 days, 22.5 hours; the  cycle  interval  and 
    time values have been corrected.                                            
    Instrument characteristics and calibration factors                          
           Teleost Pressure Recorder, sensor DIG, serial number 287             
           Original sampling interval          15 minutes                       
           Integration period                        900s                       
           Temperature coefficient             0.0mb/degC                       
           Pressure sensitivity at 8.911degC 0.12518Hz/mb                       
           To convert pressure to elevation the following                       
           values should be used:                                               
           Density (from CTD casts)          1026.90kg/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    
  27840; Teleost Pressure Recorder
 Project Document        :   28542