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Application of the oblique ionogram as vertical ionogram

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Abstract

The vertical ionogram can provide the important ionospheric parameters, such as critical frequency, virtual height and electron density, for ionospheric research. The oblique ionosonde has the ability to detect the ionosphere over sea and other terrain where it is not practical to deploy vertical sounder and provide more ionograms with less transmitting and receiving devices. Therefore, the conversion of the oblique ionogram to vertical ionogram for obtaining the important ionospheric parameters is a very useful inversion technology. The experimental comparison between oblique and vertical detections was carried out in the equatorial ionospheric anomaly (EIA) region of south China on 25 and 26 August 2010. The oblique detecting path was from Wuhan to Shenzhen and the VI ionosonde was located in the midpoint of the oblique path. The oblique ionogram reversion results showed a small deviation of the critical frequency, minimum virtual height as well as the electron density profile of the ionospheric F layer, as compared with the real vertical observations.

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Authors and Affiliations

  1. School of Electronic Information, Wuhan University, Wuhan, 430079, China

    Gang Chen, ZhengYu Zhao, YuanNong Zhang, GuoBin Yang, Chen Zhou, Shuo Huang, Ting Li, Ning Li & HengQing Sun

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  1. Gang Chen
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  2. ZhengYu Zhao
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  3. YuanNong Zhang
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  4. GuoBin Yang
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  5. Chen Zhou
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  6. Shuo Huang
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  7. Ting Li
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  8. Ning Li
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  9. HengQing Sun
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Correspondence to Gang Chen.

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Chen, G., Zhao, Z., Zhang, Y. et al. Application of the oblique ionogram as vertical ionogram. Sci. China Technol. Sci. 55, 1240–1244 (2012). https://doi.org/10.1007/s11431-012-4795-8

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  • DOI: https://doi.org/10.1007/s11431-012-4795-8

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