Figure 9From: Impacts of solar activity on performance of the IRI-2012 model predictions from low to mid latitudes Seasonal comparison of GPS-TEC with the IRI-2012 model at Ulaanbaatar, Mongolia. Comparison of hourly mean IRI 2012 model TEC for three topside Ne, IRI-NeQ, IRI01-corrand IRI-2001with ground-based GPS-TEC during 2009 to 2013 at Ulaanbataar (ULAB), Mongolia for (a) summer, (b) winter, and (c) equinox.Back to article page