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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