Measurement of the Characteristics of TIDs Using Small and Regional Networks of GPS Receivers during the Campaign of 17–30 July of 2008

<table>TEC perturbations recorded by several GPS sites that operated in South America on July 20, 2008. The red traces correspond to the TECP values after subtracting the daily variability.</table>

International Journal of Geophysics

fig11

Figure 11

Figure 11: Measurement of the Characteristics of TIDs Using Small and Regional Networks of GPS Receivers during the Campaign of 17–30 July of 2008 