INFORMATION FOR BODC SERIES REF. NO.    33748                  
                         Sea Floor Pressure Gauge Inventory Number :   6947     
 Start Time : 08 Sep 1973 1206 GMT                  Latitude  :  52deg 27.1min N
 End Time   : 21 Oct 1973 1151 GMT                  Longitude : 003deg 14.5min 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                  : JONSDAP 1973                                        
 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  : 735/973/251                                         
 Additional information stored with the data:                                   
    Station WE, Southern North Sea                                              
    Clock gained 6 seconds over 58 days, 23.25 hours; the cycle interval and    
    time values have been corrected.                                            
    Instrument characteristics and calibration factors                          
           OSTG Mk II, logger 02, sensor VIB 1/3                                
           Original sampling interval          15 minutes                       
           Integration period                        900s                       
           Temperature coefficient            11.3cm/degC                       
           Pressure sensitivity at 14.9degC    0.036Hz/cm                       
           To convert pressure to elevation the following                       
           values should be used:                                               
           Density (from CTD casts)          1025.48kg/m3                       
           Gravitational acceleration constant  9.813m/s2                       
    Large sandwave in vicinity of OSTG position on launch.                      
 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        :   26423