INFORMATION FOR BODC SERIES REF. NO.    34033                  
                         Sea Floor Pressure Gauge Inventory Number :   6980     
 Start Time : 06 Aug 1979 2122 GMT                  Latitude  :  55deg 27.8min N
 End Time   : 23 Sep 1979 1507 GMT                  Longitude : 006deg 09.8min W
 Nominal Cycle Interval   :  900.0 secs         Sensor Depth    :    108.00m    
                                                Sea Floor Depth :    108.00m    
 Positional Uncertainty   : 0.1 to 0.5 n.miles                                  
 Depth Datum              : Instantaneous                                       
 Project                  : IOS North Channel Experiment 1979                   
 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  : 793/979/218                                         
 Additional information stored with the data:                                   
    Station E, North Channel.                                                   
    Clock gained 3 seconds over 62 days, 8.25 hours;  the  cycle  interval  and 
    time values have been corrected.                                            
    Instrument characteristics and calibration factors                          
           Teleost Pressure Recorder, sensor DIG, serial number 280             
           Original sampling interval          15 minutes                       
           Integration period                        900s                       
           Temperature coefficient          -0.927Hz/degC                       
           Pressure sensitivity at 9.647degC   0.183Hz/mb                       
           To convert pressure to elevation the following                       
           values should be used:                                               
           Density (from CTD casts)          1026.05kg/m3                       
           Gravitational acceleration constant  9.815m/s2                       
    A current meter was deployed on this rig, 6m above the tide gauge.          
 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        :   27217