X-ray emission from upward initiated lightning at Gaisberg tower

Pasan Hettiarachchi1, Gerald Vernon Cooray1, Gerhard Diendorfer2, Hannes Pichler3, Joseph R Dwyer4 and Hamid K Rassoul5, (1)Uppsala University, Department of Engineering Sciences, Uppsala, Sweden, (2)Austrian Lightning Detection and Information System, Vienna, Austria, (3)OVE Service GmbH, Dept. ALDIS A-1190, ALDIS, Vienna, Austria, (4)University of New Hampshire Main Campus, Department of Physics, Durham, NH, United States, (5)Florida Inst Tech, Department of Aerospace Physics and Space Science, Melbourne, United States