Πόρος Ροή Δραστηριότητας Τύπος δραστηριότητας All activity types New Package Changed Package Deleted Package Follow Dataset New Resource View Changed Resource View Deleted Resource View admin created the Σύνολο Δεδομένων CEDAR-GEM challenge for systematic assessment of ionosphere/thermosphere models in predicting TEC during the 2006 December storm event πριν από 3 μήνες