Lightning-generated Whistlers Detected Simultaneously by Swarm Satellites in the ELF

Pierdavide Coïsson1, Louis Chauvet1, Martin Jenner1, Gauthier Hulot1, Janusz Mlynarczyk2 and Jerzy Kubisz3, (1)Université Paris Cité, Institut de physique du globe de Paris, CNRS, Paris, France, (2)AGH University, Krakow, Poland, (3)Jagiellonian University, Astronomical Observatory, Kraków, Poland