Polar Geophyscal Institute (PGI) ground observation data
ERG (Arase) satellite - PGI ground coordinated observation data
HF radar
EKB radar data plots during ARASE flights over Norilsk
Magnetometer
Dynamic Spectrum of MACCS magnetometer at Nain
Dynamic spectrum of induction magnetometer data at Sodankyla Geophysical Observatory
Fluxgate magnetometer data at Sodankyla Geophysical Observatory
All-sky camera
QL plot of all-sky camera at the Velhnetulomsky observatory, Russia
VLF
Dynamic spectrum of VLF data at Sodankyla Geophysical Observatory
Riometer
Riometer data at Sodankyla Geophysical Observatory
GPS
Two-dimensional map of absolute TEC, detrended TEC, and ROTI(ISEE, Nagoya University)
Two-dimensional map of absolute TEC, detrended TEC, and ROTI (NICT)