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Ionospheric Non-Homogeneity Effects on TEC Calculation
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, 12th International Congress of the Brazilian Geophysical Society, Aug 2011, cp-264-00240
Abstract
The Ionosphere over Brazil is normally non-homogeneous, due to phenomena like the Equatorial Ionospheric Anomaly (EIA). Measurements of VTEC for one station can produce a TEC map that will not correspond to the true TEC if non-homogeneity is present. The effect of density gradients on TEC measurements is analyzed, using ionospheric models and real data.