The Polar Cap (PC) Index: PCS Version Based on Dome‐C Data
Abstract The standard polar cap (PC) indices, PCN (North) based on magnetic data from Qaanaaq in Greenland and PCS (South) based on data from Vostok in Antarctica, have been submitted from the Arctic and Antarctic Research Institute in St.Petersburg, Russia, the Danish Meteorological Institute, and the Danish Space Research Institute in different v