An empirical model of L-band scintillation S4 index constructed by using FORMOSAT-3/COSMIC data

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An empirical model of L-band scintillation S4 index constructed by using FORMOSAT-3/COSMIC data

Chen, Shih-Ping / Bilitza, Dieter / Liu, Jann-Yenq / Caton, Ronald / Chang, Loren C. / Yeh, Wen-Hao

AbstractModern society relies heavily on the Global Navigation Satellite System (GNSS) technology for applications such as satellite communication, navigation, and positioning on the ground and/or aviation in the troposphere/stratosphere. However, ionospheric scintillations can severely impact GNSS systems and their related applications. In this study, a global empirical ionospheric scintillation model is constructed with S4-index data obtained by the FORMOSAT-3/COSMIC (F3/C) satellites during 2007–2014 (hereafter referred to as the F3CGS4 model). This model describes the S4-index as a function of local time, day of year, dip-latitude, and solar activity using the index PF10.7. The model reproduces the F3/C S4-index observations well, and yields good agreement with ground-based reception of satellite signals. This confirms that the constructed model can be used to forecast global L-band scintillations on the ground and in the near surface atmosphere.

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Title :

An empirical model of L-band scintillation S4 index constructed by using FORMOSAT-3/COSMIC data

Contributors:

Chen, Shih-Ping (author) / Bilitza, Dieter (author) / Liu, Jann-Yenq (author) / Caton, Ronald (author) / Chang, Loren C. (author) / Yeh, Wen-Hao (author)

Published in:

Advances in Space Research ; 60 , 5 ; 1015-1028

Publication date :

2017-05-20

Size :

14 pages

ISSN :

0273-1177

DOI :

https://doi.org/10.1016/j.asr.2017.05.031

Type of media :

Article (Journal)