1. CEA, DAM, DIF Arpajon France
2. Department of MeteorologyUniversity of Reading Reading UK
3. LATMOS‐IPSL Guyancourt France
4. Institute of Applied PhysicsBern University Bern Switzerland
5. Geospace Science and Technology Branch, Space Science DivisionNaval Research Laboratory Washington DC USA
6. Seismology and AcousticsKNMI De Bilt Netherlands
7. Department of Geoscience and EngineeringDelft University of Technology Delft Netherlands
8. BGR, B4.3 Hannover Germany
9. LMD/IPSLEcole Polytechnique Palaiseau France