From 1985 to the beginning of 1992 regular ozone soundings have been performed at the Georg Forster Antarctic Research Station (70°46'S, 11°41'E). Ozone profiles up to 37 km height were obtained about weekly. In the time - height sections the annual ozone variation is displayed. The ozone depletion - occuring during Antarctic spring - can be recognized clearly. For a full-scale view please click inside the inline images.