Gerhard Schwarz, Geological Survey of Sweden, Sweden
Gerhard Schwarz, Geological Survey of Sweden, Sweden
Masatoshi Yamauchi, Swedish Institute of Space Physics, Sweden
Jürgen Matzka, GFZ German Research Centre For Geosciences, Germany
Magnar Gullikstad Johnsen, UiT the Arctic University of Norway, Tromsø Geophysical Observatory, Norway
Jan Reda, Polish Academy of Sciences, Institute of Geophysics, Poland
Yaroslav Sakharov, Polar Geophysical Institute, Russia
Tero Raita, Sodankylä Geophysical Observatory, Finland
Kirsti Kauristie, Ari Viljanen, and Liisa Juusola, Finnish Meteorological Institute, Finland