Improvements of the International Reference Ionosphere model for the topside electron density profile

D Bilitza, BW Reinisch, SM Radicella, S Pulinets… - Radio …, 2006 - ieeexplore.ieee.org
Shortcomings of the representation of the topside electron density profile in the International
Reference Ionosphere (IRI) model have been noted in comparison with recently analyzed …

Topside electron density in IRI and NeQuick: Features and limitations

P Coïsson, SM Radicella, R Leitinger, B Nava - Advances in Space …, 2006 - Elsevier
The topside ionosphere modeling suffers from the relative scarcity of experimental electron
density data. Different modeling approaches have been applied in empirical models, like IRI …

Global electron content: a new conception to track solar activity

EL Afraimovich, EI Astafyeva, AV Oinats… - Annales …, 2008 - angeo.copernicus.org
We developed a method and programs for estimation of the global electron content (GEC)
from GPS measurements, using the ionosphere models IRI-2001 and NeQuick. During the …

[PDF][PDF] Towards ISO standard earth ionosphere and plasmasphere model

TL Gulyaeva, D Bilitza - New developments in the standard model, 2012 - izmiran.ru
Abstract Space exploration has been identified by several governments as a priority for their
space agencies and commercial industry. A good knowledge and specification of the …

Modeling the F2 topside and plasmasphere for IRI using IMAGE/RPI and ISIS data

BW Reinisch, P Nsumei, X Huang, DK Bilitza - Advances in Space …, 2007 - Elsevier
Empirical models are an important tool for the study of the different geospace regions from
Earth to Sun, providing the user with easy access to a synthesis of reliable measurements …

A top to bottom evaluation of IRI 2007 within the polar cap

DR Themens, PT Jayachandran… - Journal of …, 2014 - Wiley Online Library
Monthly median values of ionospheric peak height (hmF2) and density (NmF2), derived from
ionosonde measurements at four Canadian High Arctic Ionospheric Network (CHAIN) …

Evaluation of the IRI-2007 model options for the topside electron density

D Bilitza - Advances in space research, 2009 - Elsevier
The International Reference Ionosphere (IRI) 2007 provides two new options for the topside
electron density profile:(a) a correction of the IRI-2001 model, and (b) the NeQuick topside …

[PDF][PDF] TEC and scintillation study of equatorial ionosphere: A month campaign over sipitang and parit raja stations, Malaysia

B Pahat, A Keroh - Am. J. Engg. & Applied Sci, 2009 - Citeseer
Problem Statement: Ionospheric scintillations, which cause significant effects on satellite
signals for communication and navigation, often takes place in equatorial region such as …

利用人工神经网络提前1h 预报电离层TEC

翁利斌, 方涵先, 缪子青, 杨升高 - 空间科学学报, 2012 - cjss.ac.cn
提出了一种利用人工神经网络提前1h 预报电离层TEC 的简便方法. 考虑到实际工程应用要求,
没有使用其他空间天气参数, 而是选择电离层TEC 观测数据本身作为输入参数 …

[HTML][HTML] Validation of the IRI-2020 topside ionosphere options through in-situ electron density observations by low-Earth-orbit satellites

A Pignalberi, D Bilitza, P Coïsson… - Advances in Space …, 2024 - Elsevier
The topside ionosphere extends from the F2-layer peak, where the electron density reaches
its absolute maximum in the ionosphere, to the overlying plasmasphere and …