INFORMATION FOR BODC SERIES REF. NO. 33773 =============================================================================== Sea Floor Pressure Gauge Inventory Number : 6973 Start Time : 01 Nov 1974 1152 GMT Latitude : 59deg 17.8min N End Time : 14 Dec 1974 0737 GMT Longitude : 000deg 03.0min W Nominal Cycle Interval : 900.0 secs Sensor Depth : 145.00m Sea Floor Depth : 145.00m 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 : 743/974/305 =============================================================================== Additional information stored with the data: Station E, North Sea. Clock lost 14 seconds over 77 days, 23 hours; the cycle interval and time values have been corrected. Instrument characteristics and calibration factors OSTG Mk II, logger 04, sensor OAR 4/2 Original sampling interval 15 minutes Integration period 900s Temperature coefficient 0.148Hz/degC Pressure sensitivity at 8.0degC 0.043Hz/cm To convert pressure to elevation the following values should be used: Density (from CTD casts) 1027.443kg/m3 Gravitational acceleration constant 9.819m/s2 ------------------------------------------------------------------------------- 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 ===============================================================================