Effects of solar and geomagnetic activities on the sub-ionospheric very low frequency transmitter signals received by the DEMETER micro-satellite

by Günter Stangl, Bruno Besser, Patrick H.M. Galopeau, Michel Parrot, Emad Al-Haddad, Konrad Schwingenschuh, Mohammed Yahia Boudjada, Wolfgang Voller
Published 2012-04-01