Upwelling: a unit of disturbance in equatorial spread F

RT Tsunoda - Progress in Earth and Planetary Science, 2015 - Springer
Plasma structure in the nighttime equatorial F layer, often referred to as equatorial spread F
(ESF), is not uniformly distributed, either in time or in space. Observations indicate that ESF …

Resident waves in the ionosphere before the M6. 1 Dali and M7. 3 Qinghai earthquakes of 21–22 May 2021

CH Chen, YY Sun, R Xu, K Lin, F Wang… - Earth and space …, 2022 - Wiley Online Library
Geostationary BeiDou satellites monitor the total electron content (TEC) in the ionosphere
over certain locations 24 hr per day without interruption and act as ionosphere‐based …

GPS L1-frequency observations of equatorial scintillations and irregularity zonal velocities

MTAH Muella, ER de Paula, OF Jonah - Surveys in Geophysics, 2014 - Springer
In this work, the climatology of ionospheric scintillations at global positioning system (GPS) L-
band frequency and the zonal drift velocities of scintillation-producing irregularities were …

A measure of ionospheric irregularities: Zonal velocity and its implications for L‐band scintillation at low‐latitudes

C Cesaroni, L Spogli, GD Franceschi… - Earth and Planetary …, 2021 - Wiley Online Library
We estimate the zonal drift velocity of small‐scale ionospheric irregularities at low latitude by
leveraging the spaced‐receivers technique applied to two GNSS receivers for scintillation …

Climatology of ionospheric scintillation over the Vietnam low-latitude region for the period 2006–2014

TL Tran, HM Le, C Amory-Mazaudier… - Advances in Space …, 2017 - Elsevier
This paper presents the characteristics of the occurrence of ionospheric scintillations at low-
latitude, over Vietnam, by using continuous data of three GSV4004 receivers located at …

L‐Band Synthetic Aperture Radar Observation of Ionospheric Density Irregularities at Equatorial Plasma Depletion Region

H Sato, JS Kim, Y Otsuka, CM Wrasse… - Geophysical …, 2021 - Wiley Online Library
Plasma density irregularities in the equatorial ionosphere are thought to cause the
distortions of L‐band Synthetic Aperture Radar (SAR) images, which have been observed in …

Development of an ionospheric delay model with plasma bubbles for GBAS

S Saito, T Yoshihara, N Fujii - … of the 2009 International Technical Meeting …, 2009 - ion.org
Spatial gradient of the ionospheric plasma density is one of the most serious error source of
differential GPS systems. Since Japan is located at relatively low magnetic latitudes (from 41 …

Arrival angle and travel time measurements of HF transequatorial propagation for plasma bubble monitoring

S Saito, M Yamamoto, T Maruyama - Radio Science, 2018 - ieeexplore.ieee.org
A system to measure travel times of high-frequency (HF) radio waves was developed based
on a digital receiver technique. Travel times of HF transequatorial propagation (HF-TEP) of …

Numerical study of the gradient-drift instability's growth rate at the fronts of equatorial plasma bubbles

NM Kashchenko, SA Ishanov… - Mathematical Models and …, 2021 - Springer
Ground-based and satellite measurements, as well as numerical modeling of the spatial
structure of the equatorial ionospheric bubbles are carried out quite intensively. These data …

Численное исследование параметров градиентно-дрейфовой неустойчивости на фронтах плазменных пузырей

НМ Кащенко, СА Ишанов, СВ Мациевский… - Актуальные проблемы …, 2021 - elibrary.ru
Представлены результаты численных расчетов инкрементов градиентно-дрейфовой
неустойчивости на границах множественных экваториальных ионосферных пузырей …