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Earth’s Ionosphere and Electromagnetic Signal Propagation
This chapter provides a comprehensive overview of the Earth’s ionosphere and its influence on electromagnetic signal propagation, particularly...
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Response of the Ionosphere to Strong Tropospheric Disturbances
AbstractThe response of the lower and upper ionosphere to the propagation of several strong typhoons in 2014–2016 has been studied using regional...
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The Substorms Impact on Processes in the Ionosphere and Plasmasphere of the Earth
AbstractDuring magnetospheric substorms in the F region of the ionosphere and up to altitudes of ~1000 km, a polarization jet (PJ) is developed....
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The Lower Ionosphere and Tectonic Processes on Earth
AbstractThe subject of our study is the possible relationships between the state of the lower ionosphere and tectonic events on Earth during episodes...
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Response of the Lower and Upper Ionosphere to Earthquakes in Turkey on February 6, 2023
Abstract —Ground-based magnetometers and ionospheric radio probing by means of GPS were used to analyze and interpret specific variations of the...
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Disturbances in the Magnetosphere and Ionosphere during Spotless Sun
AbstractAnalysis of geomagnetic and ionospheric activity is performed for 541 disturbed days during spotless Sun ( Kp > 3.0) from 1995 to 2021....
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Estimation of the Influence of the Dispersion and Diffraction Properties of the Ionosphere on the Transionospheric Channel Bandwidth
Abstract —A hardware and software complex for estimating the dispersion distortion bandwidth and fading coherence bandwidth in a satellite...
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Response of the Lower and Upper Ionosphere after the Eruption of Shiveluch Volcano on April 10, 2023
AbstractDisturbances in the lower ionosphere and in the region of the maximum of the ionospheric F 2 layer during the eruption of Shiveluch volcano...
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Simulation study of atmosphere–ionosphere variations driven by the eruption of Hunga Tonga-Hunga Ha’apai on 15 January 2022
The volcano of Hunga Tonga-Hunga Ha ’ apai in Tonga erupted on 15 January 2022, generating severe disturbances in the atmosphere and the ionosphere....
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Wave Perturbations of the Lower and Upper Ionosphere during the 2019 Faxai Tropical Typhoon
AbstractIn this paper, we studied the response of the lower and upper ionosphere to the passage of Typhoon Faxai 2019 using the regional network of...
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The Ionosphere with GNSS SDR Specialized Software-Defined Radio for In-Depth Ionospheric Research
This comprehensive volume navigates through the complexities of Earth's ionosphere and its intricate relationship with GNSS spread-spectrum signals....
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Response of the Equatorial Ionosphere over the South American Region to 8 September 2017 Geomagnetic Storm
AbstractThis study delved into the response of the equatorial ionosphere in the South American region to the geomagnetic storm in September 2017. Six...
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Features of the Structure of the Winter Morning High- and Mid-Latitude Ionosphere
Abstract —The structure of the winter morning (0500–0900 LT) ionosphere in the Northern and Southern hemispheres is studied in detail. For this, CHAMP...
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Spatial Structure of Plasma Density Disturbances in the Topside Ionosphere Caused by High-Power HF Heating of the F2 Layer
AbstractThe study analyzes the results of low-orbital satellite radio tomography measurements of the spatial structure of artificial electron-density...
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Total Electron Content Variability in the African Ionosphere Observed during Ascending and Decaying Geomagnetic Storms
AbstractThe geomagnetic storms of October 1, 2012, and May 28, 2017, of the mid- and equatorial-latitude ionosphere responses of the African sector...
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Discrete aurora and the nightside ionosphere of Mars: an EMM–MEX conjunction of FUV imaging, ionospheric radar sounding, and suprathermal electron measurements
Since 2021, a new surge in discrete aurora detections at Mars has been observed by the Emirates Mars Ultraviolet Spectrometer (EMUS) onboard the...
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Features of Radio Emission Propagation in the Ionosphere under Conditions of Threshold Nonlinearity
AbstractThe well-known problem of nonlinear wave–ionosphere interaction under conditions of threshold nonlinearity is considered. It is believed that...
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Estimate of Lower Ionosphere Ionization during Solar Flares of the X Class According to VLF Observations
AbstractThe results of analysis of measurements of the amplitudes and phases of the GQD (19.6 kHz) and GBZ (22.1 kHz) VLF transmitter signals at the...
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Space weather impacts on the ionosphere over the southern African mid-latitude region
The ionosphere suffers major perturbations during severe space weather events such as Coronal Mass Ejections (CMEs), solar flares, high-speed...
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Deep Learning of Ionosphere Single-Layer Model and Tomography
AbstractThe ionosphere layer modeling and determining the parameter of total electronic content (TEC) has an important role in recognizing this layer...
