Temporal and Spatial Analysis of the Impact of the 2015 St. Patrick’s Day Geomagnetic Storm on Ionospheric TEC Gradients and GNSS Positioning in China Using GIX and ROTI Indices

Temporal and Spatial Analysis of the Impact of the 2015 St. Patrick’s Day Geomagnetic Storm on Ionospheric TEC Gradients and GNSS Positioning in China Using GIX and ROTI Indices

Geomagnetic storms induce ionospheric disturbances, significantly affecting Global Navigation Satellite System (GNSS) positioning accuracy. This study investigates how geomagnetic storm-induced ionospheric irregularities influence GNSS Precise Point Positioning (PPP), using data from approximately 2...

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Bibliographic Details
Main Authors: Zhihao Fu, Ningbo Wang, Xuhui Shen, Ang Li
Format: Article
Language:English
Published: MDPI AG 2025-06-01
Series:Remote Sensing
Subjects:
geomagnetic storms
Global Navigation Satellite System (GNSS)
ionospheric disturbances
Gradient Ionosphere Index (GIX)
Rate of Total Electron Content Index (ROTI)
Online Access:https://www.mdpi.com/2072-4292/17/12/2027
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https://www.mdpi.com/2072-4292/17/12/2027

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