Here are gridded multibeam data for the OSO 1011 expedition available. All data are provided in south polar stereographic projection true scale 71 degrees south, central meridan 0 degrees and WGS84.
In the list below links to data files are provided for the corresponding fieldsheets. The multibeam data are available in various formats: netCDF files, Fledermaus SD object files, ArcView ASCII files and GMT GRD files. The data is provided in polar stereographic projection as well as in latitude-longitude.
Further information about the cruise and the sonar instruments may be obtained at the following links.