This dataset contains the Underway (UWY) data collected on Southern Surveyor voyage SS 01/95, a part of the JGOFS Southern Ocean Processes study. The voyage took place in the Southern Ocean during 14 January - 2 February 1995. This dataset has NOT been processed and is archived within the CSIRO Marine and Atmospheric Research Data Centre in Hobart. Additional information regarding this dataset is contained in the cruise report for this voyage. The standard Underway (=continuously recorded) dataset from a research voyage includes Navigation (NAV), Sounder, Thermosalinograph (TSG) and Meteorological (MET) data. NAV data includes GPS (Global Positioning System) measurements of latitude, longitude, ship's direction and speed. MET data includes atmospheric temperature, humidity and pressure, wind speed and direction, and incident radiation intensity. Data are recorded at or averaged over 1 minute intervals.