Send the following on WhatsApp
Continue to ChatTEMPORAL VARIATION OF DIFFERENT CATEGORIES SUNSPOT GROUPS SINCE 1996 THEIR RELATION WİTH GEOMAGNETIC AP AND DST INDICES - https://avesis.akdeniz.edu.tr/yayin/37be98f9-d9bd-4bbd-a3bc-84a3d04d7f35/temporal-variation-of-different-categories-sunspot-groups-since-1996-their-relation-with-geomagnetic-ap-and-dst-indices