Results 1 to 10 of about 699 (114)
Performance evaluation of IRI-Plas 2017 model with ionosonde data measurements of ionospheric parameters [PDF]
Heliyon, 2023 This study presents an evaluation of the performance of the International Reference Ionosphere Model augmented with the Plasmasphere (IRI Plas 2017) from the Addis Ababa Ionosonde Station, Ethiopia, for measuring ionospheric parameters at geographic (9 ...
Lake Endeshaw, Alene Seyoum
doaj +2 more sources
Unusual Enhancements of NmF2 in Anyang Ionosonde Data [PDF]
Journal of Astronomy and Space Sciences, 2013 Sudden enhancements of daytime NmF2 appeared in Anyang ionosonde data during summer seasons in 2006-2007. In order to investigate the causes of this unusual enhancement, we compared Anyang NmF2’s with the total electron contents (GPS TECs) observed at ...
Yong Ha Kim, Eojin Kim, Young-Sil Kwak
exaly +2 more sources
Performance Analysis of a Portable Low-Cost SDR-Based Ionosonde
Atmosphere, 2023 This work presents a software-defined radio ionosonde (ISDR) developed at the Abdus Salam International Centre for Theoretical Physics (Italy) and the Institute of Radio Astronomy (Ukraine) and installed at the Ukrainian Antarctic Station in 2017.
A Kashcheyev
exaly +3 more sources
New Chung-Li Ionosonde in Taiwan: System Description and Preliminary Results
Remote Sensing, 2022 In spite of being interrupted several times in its long history of operation since 1950, the routine observation of the ionosphere with various ionosondes installed at the Chung-Li ionosphere station in Taiwan has been achieved successively for more than
Ching-Lun Su +2 more
exaly +3 more sources
Frontiers in Astronomy and Space Sciences, 2023 The investigation of sporadic E or Es layers typically relies on ground-based or satellite data. This study compares the Es layers recorded in ionograms with those detected using GNSS L1 signal-to-noise ratio data from FORMOSAT-3/COSMIC radio occultation
Sahar Sobhkhiz-Miandehi +2 more
exaly +3 more sources
Implementation of an Electronic Ionosonde to Monitor the Earth’s Ionosphere via a Projected Column through USRP [PDF]
Sensors, 2017 This document illustrates the processes carried out for the construction of an ionospheric sensor or ionosonde, from a universal software radio peripheral (USRP), and its programming using GNU-Radio and MATLAB. The development involved the in-depth study
Jhon Jairo Barona Mendoza +2 more
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Global Monitoring of Ionospheric Weather by GIRO and GNSS Data Fusion
Atmosphere, 2022 Prompt and accurate imaging of the ionosphere is essential to space weather services, given a broad spectrum of applications that rely on ionospherically propagating radio signals.
Ivan Galkin +13 more
doaj +1 more source
A Regional Model of Topside Ionospheric Effective Scale Heights Derived From Ionosonde and GNSS TEC
Space Weather, 2023 Ionospheric scale height is critical for the structure of electron density profile in the ionosphere. However, mostly, the effective scale heights (fitted with mathematical functions) instead of topside ionospheric scale heights were used to reconstruct ...
Chunhua Jiang +6 more
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On the Ion Line Calibration by Plasma Line in ISR Measurements
Remote Sensing, 2023 The radar constant calibration in incoherent scatter radar ion line processing is essential for the data quality and was not paid enough attention in previous studies.
Xinan Yue +10 more
doaj +1 more source
Український антарктичний журнал, 2023 The paper aims at an experimental study of the mechanisms of long-distance high-frequency (HF) propagation and spatial and temporal variations of the ionospheric parameters during the first hours of a severe geomagnetic storm of April 23, 2023 by ...
A. Zalizovski +11 more
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