1. Leibniz‐Institute of Atmospheric Physics at the University of Rostock Kühlungsborn Germany
2. High Altitude Observatory NSF National Center for Atmospheric Research Boulder CO USA
3. Atmospheric Chemistry Observations and Modeling Lab NSF National Center for Atmospheric Research Boulder CO USA
4. Department of Earth and Planetary Science The University of Tokyo Tokyo Japan
5. Universidade Estadual da Paraíba Campina Grande Brazil
6. Beijing National Observatory of Space Environment Institute of Geology and Geophysics Chinese Academy of Sciences Beijing China
7. Department of Physics Sri Venkateswara University Tirupati India
8. National Atmospheric Research Laboratory Tirupati India
9. Universidad de Piura Piura Peru
10. Radio Observatorio de Jicamarca Instituto Geofísico del Perú Lima Peru