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Transionospheric radiosounding (Review)
The transionospheric radiosounding (TIS) method has naturally brought together the two most precise methods for scanning and monitoring the...
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Scattered reflections and multiple traces in the range of 7–10 MHz on ionograms of the interkosmos-19 satellite
The scattered reflections and multiple traces regularly recorded on the topside sounding ionograms of the Interkosmos-19 satellite in the frequency...
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Long-Term Trends in the Critical Frequency of the E-layer
A search for trends k ( foE ) in the critical frequency of the ionospheric E layer at Juliusruh and Slough stations is performed by the method often...
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Characterization of GNSS observations from a Nexus 9 Android tablet
Global navigation satellite system (GNSS) raw data were made available in the application programming interface (API) starting from version 7.0 of...
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Possibility of an earthquake prediction based on monitoring crustal deformation anomalies and thermal anomalies at the epicenter of earthquakes with oblique thrust faulting
Is it possible to predict location, time and magnitude of earthquakes through identifying their precursors based on remotely sensed data? Earthquakes...
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Equatorial Plasma Bubbles: Effect of Thermospheric Winds Modulated by DE3 Tidal Waves
A hypothesis about the effect of the tropospheric source on the longitudinal distributions of the equatorial plasma bubbles observed in the topside...
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Observation of surface and atmospheric parameters using “NOAA 18” satellite: a study on earthquakes of Sumatra and Nicobar Is regions for the year 2014 (M ≥ 6.0)
Analysing pre-earthquake signals using satellite technology are getting importance among the scientific community, since round-the-clock survey for...
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Spectral characteristics of auroral region scintillation using 100 Hz sampling
With advances in Global Positioning System (GPS) receiver hardware, increased sampling rates have become available, allowing for more robust spectral...
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High-latitude ionospheric irregularities: differences between ground- and space-based GPS measurements during the 2015 St. Patrick’s Day storm
We present an analysis of ionospheric irregularities at high latitudes during the 2015 St. Patrick’s Day storm. Our study used measurements...
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The role of high-resolution geomagnetic field models for investigating ionospheric currents at low Earth orbit satellites
Low Earth orbiting geomagnetic satellite missions, such as the Swarm satellite mission, are the only means to monitor and investigate ionospheric...
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Manifestation of the Lunar–Solar Tide and Free Oscillations of the Earth in the Variations of the Magnetic Field
The results of processing and analyzing the instrumental observations of the Earth’s magnetic field at the Geophysical Observatory Mikhnevo of the...
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Unseasonal development of post-sunset F-region irregularities over Southeast Asia on 28 July 2014: 1. Forcing from above?
This contribution is the first of a two-part investigation into an unseasonal post-sunset equatorial F-region irregularity (EFI) event over the...
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A review on the numerical simulation of equatorial plasma bubbles toward scintillation evaluation and forecasting
Equatorial plasma bubbles (EPBs) have been a longstanding and increasingly important subject because they cause severe scintillations in radio waves...
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Effects of the postsunset vertical plasma drift on the generation of equatorial spread F
Equatorial spread F (ESF) irregularities are caused by plasma instability processes in the equatorial ionosphere and especially related to plasma...
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Analysis of local ionospheric variability based on SVD and MDS at low-latitude GNSS stations
Investigation of ionospheric anomalies during equatorial and low latitude is of major concern for modeling and global navigation satellite system...
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An irregularly shaped warm eddy observed by Chinese underwater gliders
Mesoscale eddies are important for transporting oceanic energy and matter. We investigated the three-dimensional structure of an irregularly shaped...
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Electrodynamics of ionospheric weather over low latitudes
The dynamic state of the ionosphere at low latitudes is largely controlled by electric fields originating from dynamo actions by atmospheric waves...
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Brazilian active GNSS networks as systems for monitoring the ionosphere
This research shows the viability of using Global Navigation Satellite System (GNSS) stations from Brazilian active networks in monitoring the...
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A minimum in the latitude variation of spread-F at March equinox
This short paper presents the statistics of spread-F occurrence at four low-mid latitude locations (17.0° N, 21.2° N, 26.5° N and 36.5° N mag. lat.)...
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Ionospheric irregularities at low latitude using VHF scintillations during extreme low solar activity period (2008–2010)
In the present study, we have used 250 MHz radio signal radiated by geostationary satellite UFO-02 to study the occurrence characteristics of very...
