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This dataset utilizes data from approximately 1300 ground stations in Japan. The data is employed to calculate the position information of the ionosphere (Ionospheric Point) with the maximum electron density at an altitude of 300km in Japan.

Arg_(year)_(day)_(satelite system)(satellite number).csv: Elevation angle data.

lat_(year)_(day)_(satelite system)(satellite number).csv: Latitude data for Ionospheric Point.

lon_(year)_(day)_(satelite system)(satellite number).csv: Longitude data for Ionospheric Point.

TEC_(year)_(day)_(satelite system)(satellite number).csv: Total Electron Content (TEC) calculated from L1 and L2 data.

CRA_(year)_(day)_(satelite system)(satellite number).csv: Results of Correlation Analysis.