INFORMATION FOR BODC SERIES REF. NO. 33693 ============================================================================= Sea Floor Pressure Gauge Inventory Number : 6942 Start Time : 07 Sep 1972 2122 GMT Latitude : 53deg 26.5min N End Time : 10 Oct 1972 0951 GMT Longitude : 005deg 22.0min W Nominal Cycle Interval : 900.0 secs Sensor Depth : 85.00m Sea Floor Depth : 85.00m Positional Uncertainty : 0.1 to 0.5 n.miles Depth Datum : Chart reference 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 : 721/972/251 =============================================================================== Additional information stored with the data: Station GE, Irish Sea. Clock gained 35 seconds over 33 days, 19 hours; the cycle interval and time values have been corrected. Instrument characteristics and calibration factors OSTG Type 1, logger 41, sensor FM 4882/7 Original sampling interval 15 minutes Integration period 890s Temperature coefficient 38.46Hz/degC Pressure sensitivity at 11.3degC 0.971Hz/cm To convert pressure to elevation the following values should be used: Density (from CTD casts) 1025.77kg/m3 Gravitational acceleration constant 9.814m/s2 ------------------------------------------------------------------------------- The following additional documents apply to this series: 27728; Off-Shore Tide Gauge Type I 27731; I.O.S. Calibration and Data Processing of Off-Shore Tide Gauge Data ===============================================================================