Investigating GNSS PPP–RTK with external ionospheric constraints

X Zhang, X Ren, J Chen, X Zuo, D Mei, W Liu - Satellite navigation, 2022‏ - Springer
Abstract Real-Time Kinematic Precise Point Positioning (PPP–RTK) is inextricably linked to
external ionospheric information. The PPP–RTK performances vary much with the accuracy …

Travelling ionospheric disturbances detection: A statistical study of detrending techniques, induced period error and near real-time observables

M Guerra, C Cesaroni, M Ravanelli… - Journal of Space …, 2024‏ - swsc-journal.org
Due to advances in remote sensing of the Earth's Ionosphere through Total Electron Content
(TEC) estimates by Global Navigation Satellite System (GNSS) receivers, it is possible to …

Near-real-time detection of co-seismic ionospheric disturbances using machine learning

Q Brissaud, E Astafyeva - Geophysical Journal International, 2022‏ - academic.oup.com
Tsunamis generated by large earthquake-induced displacements of the ocean floor can
lead to tragic consequences for coastal communities. Measurements of co-seismic …

Multi-instrument detection in Europe of ionospheric disturbances caused by the 15 January 2022 eruption of the Hunga volcano

TGW Verhulst, D Altadill, V Barta… - Journal of Space …, 2022‏ - swsc-journal.org
The 15 January 2022 eruption of the Hunga volcano provides a unique opportunity to study
the reaction of the ionosphere to large explosive events. In particular, this event allows us to …

Ionospheric corrections tailored to Galileo HAS: validation with single-epoch navigation

CC Timote, JM Juan, J Sanz, A Rovira-Garcia… - GPS Solutions, 2024‏ - Springer
The Galileo high accuracy service (HAS) is a new capability of the European global
navigation satellite system, currently providing satellite orbit and clock corrections and …

Ionosphere variability I: Advances in observational, monitoring and detection capabilities

I Tsagouri, A Belehaki, DR Themens… - Advances in Space …, 2023‏ - Elsevier
The paper aims to review recent advances regarding the observational and monitoring
capabilities of the ionization conditions in the Earth's upper atmosphere. The analysis spans …

Improving ionospheric predictability requires accurate simulation of the mesospheric polar vortex

VL Harvey, CE Randall, SM Bailey, E Becker… - Frontiers in astronomy …, 2022‏ - frontiersin.org
The mesospheric polar vortex (MPV) plays a critical role in coupling the atmosphere-
ionosphere system, so its accurate simulation is imperative for robust predictions of the …

[HTML][HTML] A new index for statistical analyses and prediction of travelling ionospheric disturbances

C Borries, AA Ferreira, G Nykiel, RA Borges - Journal of Atmospheric and …, 2023‏ - Elsevier
Abstract Travelling Ionospheric Disturbances (TIDs) are signatures of atmospheric gravity
waves (AGWs) observed in changes in the electron density. The analysis of TIDs is relevant …

Ionosphere variability II: Advances in theory and modeling

I Tsagouri, DR Themens, A Belehaki, JS Shim… - Advances in Space …, 2023‏ - Elsevier
This paper aims to provide an overview on recent advances in ionospheric modeling
capabilities, with the emphasis in the efforts relevant to electron density variability. The …

[HTML][HTML] Space weather impact on radio communication and navigation

M Ishii, J Berdermann, B Forte, M Hapgood… - Advances in Space …, 2024‏ - Elsevier
It is well known that space weather can cause significant disruptions to modern
communications and navigation systems, leading to increased safety risks, economic losses …