Positron Annihilation in Thunderstorms Observed by ILDAS.

Pavlo Kochkin1, David Sarria Sr2, Alexander Van Deursen3, Alte de Boer4, Michiel Bardet4, Cedric Allasia5, Franck Flourens5 and Nikolai Ostgaard2, (1)University of Bergen, Birkeland Centre for Space Science, Bergen, Norway, (2)University of Bergen, Department of Physics and Technology, Bergen, Norway, (3)Eindhoven University of Technology, Eindhoven, 5612, Netherlands, (4)National Aerospace Laboratory NLR, Amsterdam, Netherlands, (5)Airbus Defence and Space, Toulouse, France