The height variation of F2 peak density using Anyang Ionosonde measurements for GNSS ionospheric model

  • Kim, Eo-Jin (Department of Astronomy and Space Science, Chungnam National Univeristy) ;
  • Chung, Jong-Kyun (Korea Astronomy and Space Science Institute) ;
  • Kim, Yong-Ha (Department of Astronomy and Space Science, Chungnam National Univeristy) ;
  • Cho, Jung-Ho (Korea Astronomy and Space Science Institute)
  • Published : 2008.10.22

Abstract

The signals transmitted from satellites of Global Navigation Satellite System (GNSS) interact with the plasma of the ionosphere. To study the impact of the ionospheric plasma on GNSS applications a comprehensive knowledge of the ionosphere is required. Especially the correct measurement of the ionosphere such as the peak height of the F2 layer peak electron density (hmF2) is important for the GNSS ionospheric model. Anyang ionosonde station ($37.39^{\circ}N$, $126.95^{\circ}E$) has been operating from October 2000 and the accumulated data for 8 years may allow us to obtain climatological characteristics of middle latitude ionospheric F region for GNSS application. We analyzed the variations of the hmF2 and NmF2 over Anyang station for different conditions of solar activity, geomagnetic activity, season, and local time, and we compared our results with the IRI model.

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