Global ionospheric radio observatory (GIRO)

BW Reinisch, IA Galkin - Earth, planets and space, 2011 - Springer
Digisonde ionospheric sounders installed at 80+ locations in the world have gradually
evolved their generally independent existence into a Global Ionospheric Radio Observatory …

Effective solar indices for ionospheric modeling: a review and a proposal for a real-time regional IRI

A Pignalberi, M Pezzopane, R Rizzi, I Galkin - Surveys in geophysics, 2018 - Springer
The first part of this paper reviews methods using effective solar indices to update a
background ionospheric model focusing on those employing the Kriging method to perform …

Ionospheric electron density observed by FORMOSAT-3/COSMIC over the European region and validated by ionosonde data

A Krankowski, I Zakharenkova, A Krypiak-Gregorczyk… - Journal of …, 2011 - Springer
This research is motivated by the recent IGS Ionosphere Working Group recommendation
issued at the IGS 2010 Workshop held in Newcastle, UK. This recommendation encourages …

The simplified ionospheric regional model (SIRM) for HF prediction: Basic theory, its evolution and applications

M Pietrella, M Pezzopane, B Zolesi, LR Cander… - Surveys in …, 2020 - Springer
This paper is a final review of the Simplified Ionospheric Regional Model (SIRM) developed
as a prototype in the early 1990s and improved in the following years. By means of an …

Personalized Federated Learning-Based Frequency Selection over HF Space-Ground Integrated Networks

F Lin, J Chen, G Ding, Y Jiao… - IEEE Communications …, 2024 - ieeexplore.ieee.org
Given the increasing complexity and fierce competition in the electromagnetic environment,
there is a growing focus on the promptness and reliability of HF (High-Frequency) …

Comparative study of foF2 measurements with IRI-2007 model predictions during extended solar minimum

IE Zakharenkova, A Krankowski, D Bilitza… - Advances in Space …, 2013 - Elsevier
The unusually deep and extended solar minimum of cycle 23/24 made it very difficult to
predict the solar indices 1 or 2years into the future. Most of the predictions were proven …

Autoscala: an aid for different ionosondes

M Pezzopane, C Scotto, Ł Tomasik, I Krasheninnikov - Acta Geophysica, 2010 - Springer
Autoscala is a software to automatically scale ionospheric characteristics from an ionogram.
Initially it was only applied to the ionograms recorded by the AIS-INGV ionosondes installed …

[HTML][HTML] The European Ionosonde Service: nowcasting and forecasting ionospheric conditions over Europe for the ESA Space Situational Awareness services

A Belehaki, I Tsagouri, I Kutiev, P Marinov, B Zolesi… - 2015 - swsc-journal.org
The Earth's ionosphere is a magnetoionic medium imbedded in a background neutral
atmosphere, exhibiting very interesting refractive properties, including anisotropy …

Monitoring and forecasting the ionosphere over Europe: The DIAS project

A Belehaki, LR Cander, B Zolesi, J Bremer… - Space …, 2006 - earth-prints.org
Knowledge of the state of the upper atmosphere, and in particular its ionospheric part, is
very important in several applications affected by space weather, especially the …

The electronic Space Weather upper atmosphere (eSWua) project at INGV: advancements and state of the art

V Romano, S Pau, M Pezzopane… - Annales …, 2008 - angeo.copernicus.org
The eSWua project is based on measurements performed by all the instruments installed by
the upper atmosphere physics group of the Istituto Nazionale di Geofisica e Vulcanologia …