INFORMATION FOR BODC SERIES REF. NO.    37031                  
                                                                                
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                         Sea Floor Pressure Gauge Inventory Number :   7003     
                                                                                
 Start Time : 20 Jun 1981 2100 GMT                  Latitude  :  18deg 02.5min S
 End Time   : 13 Jul 1981 0900 GMT                  Longitude : 036deg 08.3min W
                                                                                
 Nominal Cycle Interval   : 3600.0 secs         Sensor Depth    :    152.00m    
                                                Sea Floor Depth :    152.00m    
                                                                                
 Positional Uncertainty   : 0.1 to 0.5 n.miles                                  
 Depth Datum              : Instantaneous                                       
                                                                                
 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  : HBSP7/DFSMH0                                        
                                                                                
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 Additional information stored with the data:                                   
                                                                                
    Artificial mean taken as 0mbar.  Clock lost 63 seconds over 23 days 6 hours 
    16 minutes 3 seconds; the original cycle interval and time values have been 
    corrected.                                                                  
    Instrument Characteristics                                                  
    Station HB                                                                  
    OSTG Mark I no. 2 Sensors SG1/19    (BODC Series Ref. 37018)                
                              SG1/21    (BODC Series Ref. 37031)                
                                                                                
    Nominal sampling interval      900secs                                      
    Integration period             890secs                                      
    Actual sampling interval       15.00047mins                                 
                                                                                
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 The following additional documents apply to this series:                       
                                                                                
  27728; Off-Shore Tide Gauge Type I                   
  32428; I.O.S. Data Processing of Off-Shore Pressure Recorder Data
                                                                                
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