In the context of the International GNSS Service (IGS), several IGS Ionosphere Associated
Analysis Centers have developed different techniques to provide global ionospheric maps …

A track of sea ice reflected Global Navigation Satellite System (GNSS) signal collected by
the TechDemoSat‐1 mission is processed to perform phase altimetry over sea ice. High …

This paper presents a study of the St Patrick's Day storm of 2015, with its ionospheric
response at middle and low latitudes. The effects of the storm in each longitudinal sector …

A summary of the main concepts on global ionospheric map (s)[hereinafter GIM (s)] of
vertical total electron content (VTEC), with special emphasis on their assessment, is …

The main goal of this paper is to provide a summary of our current knowledge of the
ionosphere as it relates to space geodetic techniques, especially the most informative …

The first part of this paper reviews methods using effective solar indices to update a
background ionospheric model focusing on those employing the Kriging method to perform …

Benefiting from global multi-frequency and multi-constellation GNSS measurements
provided by the experimental International GNSS real-time service (IGS RTS), a predicting …

Abstract EXtreme Gradient Boosting over Decision Trees (XGBoost or XGBDT) is a powerful
tool to model a wide range of processes. We propose a new approach to create a global …

Abstract Ionosphere Associate Analysis Centers (IAACs) of the International GNSS Service
(IGS) independently produce global ionosphere maps (GIMs) of the total electron content …

Abstract As a new Ionosphere Associate Analysis Center (IAAC) of the International GNSS
Service (IGS), Chinese Academy of Sciences (CAS) started the routine computation of the …