Fig. 1From: New advantages of the combined GPS and GLONASS observations for high-latitude ionospheric irregularities monitoring: case study of June 2015 geomagnetic stormVariations of the interplanetary and geomagnetic parameters during June 20–24, 2015, storm (from top to bottom): IMF Bz component, velocity and dynamic pressure of the solar wind, auroral electrojet index AE and index of geomagnetic activity SYM-HBack to article page