Results 71 to 80 of about 71,360 (201)

Auroral Effect on Mid‐Latitude Ionospheric Disturbances Over Europe During the Extreme Geomagnetic Storm of 10 May 2024

Space Weather, Volume 24, Issue 8, August 2026.
Abstract Large ionospheric disturbances were observed over Europe during the extreme geomagnetic storm on 10 May 2024. This study analyzes GNSS‐derived total electron content (TEC) and all‐sky imager data to investigate these disturbances. Pronounced TEC enhancements, irregularities, and strong gradients were confined to the auroral region above the ...
Grzegorz Nykiel, Joanna Kanska, Hiroatsu Sato, Shin‐ichiro Oyama, Kazuo Shiokawa, David R. Themens   +5 more
wiley   +1 more source

Ultra‐Low‐L Sub‐MeV Electron Microbursts During the May 2024 Super Storm

Geophysical Research Letters, Volume 53, Issue 14, 28 July 2026.
Abstract During the May 2024 super storm, we identified sub‐second microburst‐type relativistic electron precipitation events at McIlwain's L∼2 $L\sim 2$ in low‐Earth orbit using the Gamma‐ray Burst Monitor (CGBM) onboard the CALorimetric Electron Telescope on the International Space Station.
Miki Kurihara, Satoshi Nakahira, Ryuho Kataoka, Yoshizumi Miyoshi, Yuto Katoh, Kazutaka Yamaoka, Yuta Kawakubo, Ken Ebisawa, Shoji Torii, Kazuhiro Yamamoto, Atsuki Shinbori, Shoya Matsuda, Yoshiya Kasahara, Fuminori Tsuchiya, Iku Shinohara, Lauren W. Blum, Alessandro Bruno   +16 more
wiley   +1 more source

Analysis of the ionospheric scintillations during 20-21 January 2015 from SANAE by means of the DemoGRAPE scintillation receivers

, 2017
This paper presents ionospheric scintillation data recorded at SANAE in Antarctica during a moderate geomagnetic storm on 20-21 January 2016 which gives evidence of the advantages of the new generation of instrumentation for monitoring ionospheric ...
Cilliers, P. J., Cesaroni, Claudio, Linty, Nicola, Ward, J., De Franceschi, Giorgiana, Terzo, Olivier, Dovis, Fabio, Alfonsi, Lucilla, Romano, Vincenzo, Stephenson, J. A. E., Spogli, Luca, Hunstad, Ingrid   +11 more
core   +1 more source

L-band scintillations and calibrated total electron content gradients over Brazil during the last solar maximum

Journal of Space Weather and Space Climate, 2015
This work presents a contribution to the understanding of the ionospheric triggering of L-band scintillation in the region over São Paulo state in Brazil, under high solar activity.
Cesaroni Claudio, Spogli Luca, Alfonsi Lucilla, De Franceschi Giorgiana, Ciraolo Luigi, Galera Monico Joao Francisco, Scotto Carlo, Romano Vincenzo, Aquino Marcio, Bougard Bruno   +9 more
doaj   +1 more source

TRACERS Small‐Scale Field‐Aligned Currents and Intense GPS Amplitude and Phase Scintillations in the Nightside Auroral Region

Geophysical Research Letters, Volume 53, Issue 14, 28 July 2026.
Abstract We present conjugate observations of ionospheric small‐scale magnetic perturbations (dB) $(dB)$ and GPS scintillations from the Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites (TRACERS) and the Canadian High Arctic Ionospheric Network (CHAIN) during a storm‐time substorm on 9 August 2025 in the nightside auroral region ...
Yangyang Shen, Robert J. Strangeway, Hao Cao, James M. Weygand, Jiashu Wu, Anthony McCaffrey, P. T. Jayachandran, Daniel Billett, Magnus F. Ivarsen, Christopher Watson, Sheng Tian, Marit Oieroset, David Miles   +12 more
wiley   +1 more source

Bipolar climatology of GPS ionospheric scintillation at solar minimum

, 2011
High-rate sampling data of GNSS (Global Navigation Satellite Systems) ionospheric scintillation acquired by a network of GISTM (GPS Ionospheric Scintillation and TEC Monitor) receivers located in the Svalbard Islands, in Norway and in Antarctica have ...
Aquino, M., Mitchell, C. N., Spogli, L., Dodson, A., Lucilla Alfonsi, Romano, V., Cathryn N. Mitchell, Luca Spogli, De Franceschi, G., Vincenzo Romano, Marcio Aquino, Alan Dodson, Giorgiana De Franceschi, Alfonsi, Lu.   +13 more
core   +1 more source

Power Spectra of Ionospheric Scintillations

Advanced Electromagnetics, 2017
Second order statistical moments of the phase fluctuationsare obtained taking into account the boundary condition,diffraction effects and polarization coefficients of theordinary and extraordinary waves. The variance and thecorrelation function are calculated for arbitrary 3D spectralfunction of electron density fluctuations containing bothanisotropic ...
Jandieri, George, Ishimaru, Akira, Rawat, Banmali, Kharshiladze, Oleg, Diasamidze, Zhuzhuna   +4 more
openaire   +4 more sources

GPS scintillation over the European arctic during the November 2004 storms [PDF]

, 2008
Meggs, Robert W., Honary, Farideh, Mitchell, Cathryn N.   +2 more
core   +4 more sources

Equatorial plasma bubble model for assessment of GBAS satellite availability

Frontiers in Astronomy and Space Sciences
One of the main concerns for Ground-Based Augmentation Systems (GBAS) is the occurrence of anomalous ionospheric conditions. In particular, ionospheric scintillation poses a significant threat, as strong scintillation events can cause GNSS receivers to ...
Dmytro Vasylyev, Maria Caamano, Babu Sree Harsha Pasumarthi, Martin Kriegel, Susumu Saito   +4 more
doaj   +1 more source

Ionospheric Scintillation Activity Over Canada in 2019–2023 and Its Potential Influence on Wide Area Augmentation System (WAAS) Navigation Services for Aviation

Space Weather
Ionospheric scintillation caused by space weather impacts the accuracy and availability of GNSS services and is considered a natural hazard for aviation and other GNSS users. Increased solar activity in 2021–2023, attributed to the ascending phase of the
L. Nikitina, R. A. D. Fiori, K. Sievers, A. Rynard, Q. Ciardelli   +4 more
doaj   +1 more source