Fig. 3From: Observations of field-aligned ionospheric irregularities during quiet and disturbed conditions with EKB radar: first results a, b Variations in Kp, SYM-H, and AE indices; c, d in geomagnetic X or Bn and Z components observed at high-latitude stations. The ABB codes of the stations correspond to those hosted on website http://wdc.kugi.kyoto-u.ac.jp/wdc/obslink.html Back to article page