The prediction of day‐to‐day occurrence of low latitude ionospheric strong scintillation using gradient boosting algorithm

X Zhao, G Li, H Xie, L Hu, W Sun, S Yang, Y Li… - Space …, 2021 - Wiley Online Library
Ionospheric scintillations caused by equatorial plasma bubbles (EPBs) can seriously affect
various high technology systems based on Global Navigation Satellite System (GNSS) …

A long-term study on the deletion criterion of questionable electron density profiles caused by ionospheric irregularities–COSMIC radio occultation technique

G Uma, PS Brahmanandam, YH Chu - Advances in Space Research, 2016 - Elsevier
The crucial assumption made in the retrieval of radio-occultated atmospheric parameters is
the spherical symmetry of the atmospheric refractive index, which implies that no horizontal …

Ionospheric TEC variations during the ascending solar activity phase at an equatorial station, Uganda

S Oron, FM D'ujanga, TJ Ssenyonga - 2013 - nopr.niscpr.res.in
The total electron content (TEC) is a vital and most dominant ionospheric parameter that can
cause Global Positioning System (GPS) signal delays, signal degradation and in extreme …

Statistical analysis of low-latitude spread F observed over Puer, China, during 2015–2016

T Lan, C Jiang, G Yang, Y Zhang, J Liu, Z Zhao - Earth, Planets and Space, 2019 - Springer
Statistical analysis of spread F (SF), recorded at Puer (PUR, 22.7° N, 101.05° E, Dip Latitude
12.9° N) during 2015–2016, was carried out to reveal its characteristics at the northern …

Degradation of satellite-based navigation performance observed from an anomaly crest location in the Indian longitude sector

S Goswami, S Ray, A Paul - Radio Science, 2020 - ieeexplore.ieee.org
GPS amplitude and phase scintillations in terms of the index S 4 and σ φ and the
corresponding losses of lock in signal have been studied with consequent errors in receiver …

A novel method based on GPS TEC to forecast L band scintillations over the equatorial region through a case study

R Sridharan, MS Bagiya, S Sunda - Journal of atmospheric and solar …, 2012 - Elsevier
Forecasting the occurrence of L-band scintillations has been a challenging task and, this
challenge has been tackled by evolving a simple method using GPS-TEC data. For given …

On equatorial spread F occurrence: A multi-dimensional quantitative assessment

TV Sruthi, G Manju, KS Vishnupriya - Advances in Space Research, 2024 - Elsevier
The present study investigates the role of gravity wave induced seed perturbations in the
occurrence of Equatorial Spread F (ESF) under the influence of the post sunset background …

Latitudinal Differences in Spread F Characteristics at Asian Longitude Sector during the Descending Phase of the 24th Solar Cycle

T Lan, C Jiang, G Yang, F Sun, Z Xu, Z Liu - Universe, 2022 - mdpi.com
By using ionosonde data recorded at Chiang Mai (18.8° N, 98.9° E, magnetic latitude is 9.1°
N), Puer (22.7° N, 101.1° E, magnetic latitude is 12.9° N), and Leshan (29.6° N, 103.7° E …

Solar activity variations of equatorial spread F occurrence and sustenance during different seasons over Indian longitudes: Empirical model and causative …

MKM Haridas, G Manju, T Arunamani - Advances in Space Research, 2018 - Elsevier
A comprehensive analysis using nearly two decades of ionosonde data is carried out on the
seasonal and solar cycle variations of Equatorial Spread F (ESF) irregularities over …

A method for automatic detection of equatorial spread-F in Ionograms

C Scotto, A Ippolito, D Sabbagh - Advances in Space Research, 2019 - Elsevier
A method is presented for automatic detection of spread-F. The method is based on an
image recognition technique and is applied to ionograms recorded at the ionospheric station …