Gamma-ray observations at 20 km altitude above thunderstorms
Nikolai Ostgaard1, Hugh J Christian Jr2, J Eric Grove3, Mason G Quick4, Samer Al-Nussirat5, Eric A. Wulf6, Georgi Genov7, Kjetil Ullaland1, Pavlo Kochkin7 and Martino Marisaldi1, (1)University of Bergen, Department of Physics and Technology, Bergen, Norway, (2)University of Alabama in Huntsville, Huntsville, AL, United States, (3)Naval Research Lab DC, Washington, United States, (4)NASA Marshall Space Flight Center, Huntsville, AL, United States, (5)Space Sciences Laboratory, SSL, Berkeley, United States, (6)Naval Research Lab DC, Washington, DC, United States, (7)University of Bergen, Birkeland Centre for Space Science, Bergen, Norway