Development of Ionospheric Tomography Model Using GPS

Details Development of Ionospheric Tomography Model Using GPS Development of Ionospheric Tomography Model Using GPS

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006jass...23..237c&link_type=abstract

Journal of Astronomy and Space Sciences. Vol. 23, no. 3, 237-244

Astronomy and Astrophysics

Astronomy

Ionosphere, Gps, Total Electron Content, Space Weather

Scientific paper

We produced the electron density distribution in the ionosphere over South Korea using the data from nine permanent GPS (Global Positioning System) stations which have been operated by KASI (Korea Astronomy and Space Science Institute). The dual-frequency GPS receiver data was used to precisely estimate the electron density in the ionosphere and we obtained the precise electron density profile based on two-dimensional TEC (Total Electron Contents). We applied ART (Algebraic Reconstruction Technique), which is one of the most commonly used algorithms to develop the tomography model. This paper presented the electron density distribution over South Korea with time. We compared with the electron density profiles derived from the GPS tomography reconstruction, Ionosonde measurement data obtained by observations, and the IRI-2001 values. As a result, the electron density profile by GPS reconstruction was in excellent agreement with the electron density profile obtained by Ionosonde measurement data.

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