Liisa Juusola, Ari Viljanen, Kirsti Kauristie, and Tiera Laitinen, Finnish Meteorological Institute (FMI), Finland
Magnar G. Johnsen, UiT the Arctic University of Norway, Tromsø Geophysical Observatory (TGO), Norway
Ian Mann, University of Alberta, Canada
Anna Willer, Technical University of Denmark (DTU), Denmark
Liisa Juusola, Ari Viljanen, Kirsti Kauristie, and Tiera Laitinen, Finnish Meteorological Institute, Finland
Eija Tanskanen and Tero Raita, Sodankylä Geophysical Observatory (SGO), Finland
Hermann Lühr, GFZ German Research Centre For Geosciences, Germany
Jürgen Matzka, GFZ German Research Centre For Geosciences, Germany
Anne Neska and Jan Reda, Institute of Geophysics (IG), Polish Academy of Sciences (PAS), Poland
Hermann Opgenoorth, Umeå University, Sweden
Gerhard Schwarz, Geological Survey of Sweden (SGU), Sweden
Masatoshi Yamauchi, Swedish Institute of Space Physics (IRF), Sweden