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Derivation of global ionospheric Sporadic E critical frequency ( f o Es) data from the amplitude variations in GPS/GNSS radio occultations

2020; Royal Society; Volume: 7; Issue: 7 Linguagem: Inglês

10.1098/rsos.200320

ISSN

2054-5703

Autores

Bingkun Yu, Christopher J. Scott, Xianghui Xue, Xinan Yue, Xiankang Dou,

Tópico(s)

Earthquake Detection and Analysis

Resumo

The ionospheric sporadic E (Es) layer has a significant impact on the global positioning system (GPS)/global navigation satellite system (GNSS) signals. These influences on the GPS/GNSS signals can also be used to study the occurrence and characteristics of the Es layer on a global scale. In this paper, 5.8 million radio occultation (RO) profiles from the FORMOSAT-3/COSMIC satellite mission and ground-based observations of Es layers recorded by 25 ionospheric monitoring stations and held at the UK Solar System Data Centre at the Rutherford Appleton Laboratory and the Chinese Meridian Project were used to derive the hourly Es critical frequency (

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