INFORMATION FOR BODC SERIES REF. NO.    36863                  
                                                                                
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                         Sea Floor Pressure Gauge Inventory Number :   6994     
                                                                                
 Start Time : 05 Dec 1981 2100 GMT                  Latitude  :  33deg 55.3min N
 End Time   : 15 Mar 1982 1300 GMT                  Longitude : 041deg 11.5min W
                                                                                
 Nominal Cycle Interval   : 3600.0 secs         Sensor Depth    :   3372.00m    
                                                Sea Floor Depth :   3372.00m    
                                                                                
 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  : A7AP0/SMDFH0                                        
                                                                                
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 Additional information stored with the data:                                   
                                                                                
    Instrument integrates over 15 minutes at  end  of  which  data  is  logged. 
    Clock  lost  33  seconds  over 102 days 19 hours 45 minutes 33 seconds; the 
    original cycle interval and time values have been corrected.                
    Instrument Characteristics                                                  
    Station A7(A)                                                               
    Aanderaa 4A  sensors 281/2     (BODC Series Ref. 36863)                     
                                                                                
    Nominal sampling interval      900secs                                      
    Integration period              30secs                                      
    Actual sampling interval       15.000056mins                                
                                                                                
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 The following additional documents apply to this series:                       
                                                                                
  27823; Aanderaa Pressure Recorder Type TG-4A                                  
  32428; I.O.S. Data Processing of Off-Shore Pressure Recorder Data
                                                                                
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