Using large meteoroids as global infrasound reference events

Christoph Pilger1, Lars Ceranna1, Alexis LE Pichon2 and Peter Brown3, (1)BGR - Federal Institute for Geosciences and Natural Resources, Hannover, Germany, (2)CEA Commissariat à l'Energie Atomique DAM, Arpajon Cedex, France, (3)University of Western Ontario, London, Canada