Lensing from small-scale travelling ionospheric disturbances observed using LOFAR

B Boyde, A Wood, G Dorrian, RA Fallows… - Journal of Space …, 2022 - swsc-journal.org
Observations made using the LOw-Frequency ARray (LOFAR) between 10: 15 and 11: 48
UT on the 15th of September 2018 over a bandwidth of approximately 25–65 MHz contain …

Geomagnetic and solar dependencies of midlatitude E‐region irregularity occurrence rate: A climatology based on Wuhan VHF radar observations

Y Liu, C Zhou, T Xu, Z Deng, Z Du, T Lan… - Journal of …, 2022 - Wiley Online Library
By using Wuhan VHF radar, we show the morphological features of E‐region field‐aligned
irregularity (FAI) occurrence at Wuhan during 2015–2020. Statistical results present that E …

[HTML][HTML] Properties of Medium-Scale Traveling Ionospheric Disturbances Observed over Mexico during Quiet Solar Activity

E Romero-Hernandez, F Salinas-Samaniego… - Atmosphere, 2024 - mdpi.com
We present a statistical study of some physical properties of medium-scale traveling
ionospheric disturbances (MSTIDs) registered over the Mexican territory during 2018 and …

Ionospheric variability over the Brazilian equatorial region during the minima solar cycles 1996 and 2009: Comparison between observational data and the IRI model

ÂM Santos, CGM Brum, IS Batista, JHA Sobral… - Atmosphere, 2022 - mdpi.com
The behavior of the Brazilian equatorial ionosphere during the solar minimum periods, 1996
and 2009, which cover the solar cycles 22/23 and 23/24, respectively, is investigated. For …

Statistical analysis of medium‐scale traveling ionospheric disturbances over Japan based on deep learning instance segmentation

P Liu, T Yokoyama, W Fu, M Yamamoto - Space Weather, 2022 - Wiley Online Library
Medium‐scale traveling ionospheric disturbances (MSTIDs) are observed as parallelly
arrayed wavelike perturbations of Total Electron Content (TEC) in ionospheric F region …

The future of the Arecibo Observatory: The Next Generation Arecibo Telescope

DA Roshi, N Aponte, E Araya, H Arce, LA Baker… - arXiv preprint arXiv …, 2021 - arxiv.org
The Arecibo Observatory (AO) is a multidisciplinary research and education facility that is
recognized worldwide as a leading facility in astronomy, planetary, and atmospheric and …

On the Role of E‐F Region Coupling in the Generation of Nighttime MSTIDs During Summer and Equinox: Case Studies Over Northern Germany

M Sivakandan, C Martinis, Y Otsuka… - Journal of …, 2022 - Wiley Online Library
Simultaneous observations from a 630 nm all‐sky airglow imager, GNSS‐TEC receivers,
and an ionosonde are used to investigate the role of E‐and F‐region coupling on the …

Daytime medium scale traveling ionospheric disturbances (MSTIDS) over the Andes Mountains at equatorial and low magnetic latitudes

C Figueiredo, CM Wrasse, S Vadas… - Journal of …, 2023 - Wiley Online Library
We analyze daytime quiet‐time MSTIDs between 2013 and 2015 at the geomagnetic
equatorial and low latitude regions of the Chilean and Argentinian Andes using keograms of …

Evidence for the evolution and decay of an electrified Medium Scale Traveling Ionospheric Disturbances during two consecutive substorms: First results

R Rathi, M Sivakandan, D Chakrabarty… - Advances in Space …, 2025 - Elsevier
Abstract Electrified Medium Scale Traveling Ionospheric Disturbances (EMSTIDs) is one of
the prominent plasma structures that affect the propagation of high frequency radio waves …

[HTML][HTML] Responses of intermediate layers to geomagnetic activity during the 2009 deep solar minimum over the Brazilian low-latitude sector

ÂM Santos, CGM Brum, IS Batista… - Annales …, 2022 - angeo.copernicus.org
This work presents the daytime behavior of the intermediate layer (ILs) parameters (the
virtual height–h'IL, and the top frequency–ftIL) over the low-latitude region of Cachoeria …