The Use of the Total Electron Content Measured by Navigation Satellites to Estimate Ionospheric Conditions

<div>Longitude dependence of the behavior of <i>τ</i> at the same LT: curves show values of observational (a) and model (b) equivalent slab thicknesses for stations with close latitudes.</div>

International Journal of Navigation and Observation

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Figure 1

Figure 1: The Use of the Total Electron Content Measured by Navigation Satellites to Estimate Ionospheric Conditions 