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Table 4 Estimated parameters for the detailed g[2− 3 t] component model (winter)

From: Method for modeling of the components of ionospheric parameter time variations and detection of anomalies in the ionosphere

Time period Parameters of the model for the detailed component Parameters of the model for the first difference of the detailed component
First parameter Second parameter Third parameter First parameter Second parameter
03.01.1982–20.01.1982 −0.111 −0.1471 0.85026 −0.9304 −0.9568
19.12.2011–08.01.2012 −0.2325 −0.2379 0.73806 −0.997 −0.9805
29.12.2012–24.01.2013 −0.1424 −0.1256 0.8261 −0.998 −0.9693
General model parameters (solar maximum) −0.14 −0.14 0.83 −0.97 −0.93
22.01.1987–10.02.1987 −0.3439 −0.3168 0.62425 −0.9783 −0.9476
15.01.2006–04.02.2006 −0.1987 −0.1977 0.79975 −1.001 −0.997
09.02.2008–27.02.2008 −0.2114 −0.1146 0.78411 −1.007 −0.9522
General model parameters (solar minimum) −0.29 −0.26 0.69 −0.97 −0.93