Ionization ledge structures observed in the equatorial anomaly region by using PPS system on-board the Ohzora (EXOS-C) satellite

Jyunpei Uemoto, Takayuki Ono, Atsushi Kumamoto, Masahide Iizima

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

To verify an additional ionization layer predicted in the equatorial ionosphere, topside ionograms obtained by the Planetary Plasma Sounder (PPS) system on-board the Ohzora (EXOS-C) satellite were analyzed. Based on the analysis of the PPS data of 8 passes in March and 11 passes in May, 1987, the ionization ledge observed in the local noon time period shows similar nature as it has been theoretically predicted for the F3 layer by Balan and Bailey (1995). It was noted that some peaks of the ledge structure were located on the field line of higher latitude region than the field line of the crest of the equatorial anomaly.

Original languageEnglish
Journalearth, planets and space
Volume56
Issue number7
DOIs
Publication statusPublished - 2004 Jan 1

Keywords

  • Equatorial ionosphere
  • F layer
  • Ionization ledge
  • Ohzora (EXOS-C) satellite
  • Topside sounder

ASJC Scopus subject areas

  • Geology
  • Space and Planetary Science

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