During the period from 6th December 1985 to 13th March 1986 BGR acquired seismic lines in the Weddell Sea. The lines ANT4-11A, ANT4-20 and ANT4-24 consist of raw data. The lines ANT4-10, ANT4-11, ANT4-16, ANT4-23, ANT4-26 and ANT4-30 are stacked data. The lines ANT4-01, ANT4-02, ANT4-03, ANT4-04, ANT4-05, ANT4-06, ANT4-07, ANT4-08, ANT4-09, ANT4-12, ANT4-13, ANT4-14, ANT4-15, ANT4-17, ANT4-18, ANT4-19, ANT4-21, ANT4-22, ANT4-25, ANT4-27, ANT4-28, ANT4-29, ANT4-31, ANT4-32 and ANT4-33 are migrated data.