Ionospheric Observations and Modelling with Multi-source Remote Sensing Data and Its Application in Navigation and Positioning Technology

Dear Colleagues,

Ionospheric delay is one of the most significant error sources affecting GNSS positioning, navigation, and timing (PNT) performance. In recent years, with the rapid development of the low Earth orbit (LEO) satellites and multi-GNSS satellite systems (GPS, GLONASS, Galileo, and BDS), the increasing amount and quality of multi-frequency and multi-GNSS data have created new opportunities for ionospheric research. As relevant users have higher requirements for PNT services, especially under abnormal ionospheric activity conditions, knowing how to provide stable, real-time, and reliable ionospheric delay correction service or real-time accurate ionospheric anomaly monitoring and early warning service is one of the most important challenges facing GNSS. Therefore, this Special Issue mainly focuses on the theory, technology, and application of ionospheric monitoring with multi-source remote sensing data and the delay correction of multi-GNSS. The scope includes (but is not limited to) the following aspects:

• Novel methods used for multi-source ionospheric data collection, processing, and analysis;
• Ionospheric effects on GNSS;
• GNSS ionospheric structure inversion, space weather, and environment variations;
• Real-time ionospheric total electron content and electron density modeling and monitoring;
• Ionospheric corrections in high-accuracy GNSS positioning;
• Multi-GNSS and multi-frequency signal biases determination;
• Ionospheric anomalous (disturbances or scintillation) studies and impacts on GNSS services and applications;
• Ionospheric disturbances caused by natural hazards, including earthquakes, volcanic eruptions, and tsunamis;
• GNSS ionospheric applications in geoscience.

Dr. Min Li
Guest Editors

Dr. Qi Liu
Guest Editor Assistant

Manuscript Submission Information

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• GNSS ground- and space-based observations
• real-time
• ionospheric total electron content
• ionospheric corrections
• high-accuracy gnss positioning
• ionospheric disturbances
• ionospheric scintillation
• signal bias determination