More reliable global ionospheric maps combined from ionospheric products of the seven IGS analysis centers

•A new approach for combination of GIMs from the seven IGS centers is proposed.•The new combined GIMs (from 2001 to 2018) are generated.•The assessment shows that the new combined GIMs are more reliable than the IGS official ionospheric products. A new method is proposed for the combination of globa...

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Bibliographic Details
Published inResults in physics Vol. 17; p. 103162
Main Authors Hu, Ziye, Fan, Lei, Wang, Cheng, Wang, Zhipeng, Shi, Chuang, Jing, Guifei
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.06.2020
Elsevier
Subjects
Combination
Global ionospheric maps
Ionosphere
Total electron content
Total electron content
Combination
Ionosphere
Global ionospheric maps
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Summary:•A new approach for combination of GIMs from the seven IGS centers is proposed.•The new combined GIMs (from 2001 to 2018) are generated.•The assessment shows that the new combined GIMs are more reliable than the IGS official ionospheric products. A new method is proposed for the combination of global ionospheric maps provided by the seven IGS centers. Through comparison, the GIMs of the seven centers presents different performance during the past 19 years. The assessment shows that the new combined GIMs are more reliable than the IGS official ionospheric products.
ISSN:2211-3797
2211-3797
DOI:10.1016/j.rinp.2020.103162