Fig. 26From: The science case for the EISCAT_3D radarNeutral density at 425Â km, represented on a latitude-time grid for day 200, a mean solar flux of 180Â sfu, and Kp of 1, as predicted by the DTM-94 (a), MSIS-86 (b), DTM-2000 (c), and DTM-STAR (d) models (from Bruinsma et al. 2004)Back to article page