Comment on the paper "Confirming geomagnetic Sfe by means of a solar flare detector based on GNSS" by J.J. Curto et al., J. Space Weather Space Clim. 2019, 9, A42

J. Space Weather Space Clim., Forthcoming article
Received: 26 December 2019 / Accepted: 10 March 2020
DOI: https://doi.org/10.1051/swsc/2020015