Cosmic Ray Station of the University of Oulu, Finland
Moscow neutron monitor variation corresponds to 10-20 GeV primary cosmic rays
Неутронен монитор на Атина: http://cosray.phys.uoa.gr/
Други неутронни монитори: http://neutronm.bartol.udel.edu/
Cosmic Ray Station of the University of Oulu: https://cosmicrays.oulu.fi/
Moscow neutron monitor: http://cosrays.izmiran.ru/