Articles | Volume 36, issue 2
https://doi.org/10.5194/angeo-36-621-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.A critical note on the IAGA-endorsed Polar Cap (PC) indices: excessive excursions in the real-time index values
Data sets
Polar Cap (PC) Index http://pcindex.org