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Impact and synergies of GIM error estimates on the VTEC interpolation and single-frequency PPP at low latitude region
(2022-04-01)
Article
Open AccessThe vertical total electron content (VTEC) is one of the key quantities to describe variations of the ionosphere and can be pro- vided to users to correct the ionospheric disturbances for GNSS (Global Navigation Satellite ... -
Global monitoring of ionospheric weather by GIRO and GNSS data fusion
(2022-02-23)
Article
Open AccessPrompt 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. As the 3D spatial extent of the ionosphere ... -
Comprehensive study on the tropospheric Wet Delay and horizontal gradients during a severe weather event
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-02-12)
Article
Open AccessGNSS meteorology is today one of the most growing technologies to monitor severe weather events. In this paper, we present the usage of 160 GPS reference stations over the period of 14 days to monitor and track Hurricane ... -
Method for forecasting ionospheric electron content fluctuations based on the optical flow algorithm
(2022-01-01)
Article
Open AccessWe present the optical flow algorithm for forecasting the rate of total electron content index (OFROTI). It consists of a method for predicting maps of rapid fluctuations of ionospheric electron content in terms of global ... -
Forecast of the global TEC by nearest neighbour technique
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-03-11)
Article
Open AccessWe propose a method for Global Ionospheric Maps of Total Electron Content forecasting using the Nearest Neighbour method. The assumption is that in a database of global ionosphere maps spanning more than two solar cycles, ... -
Ionospheric storm scale index based on high time resolution UPC-IonSAT global ionospheric maps (IsUG)
(2021-11)
Article
Open AccessThe ionospheric storms have adverse effects on the radio communications, satellite communications and also the Global Navigation Satellite Systems (GNSS) application. A new Ionospheric storm Scale from Universitat Politècnica ... -
The cooperative IGS RT-GIMs: a reliable estimation of the global ionospheric electron content distribution in real time
(2021-09-23)
Article
Open AccessThe Real-Time Working Group (RTWG) of the International GNSS Service (IGS) is dedicated to providing high-quality data and high-accuracy products for Global Navigation Satellite System (GNSS) positioning, navigation, ... -
A New way of estimating the spatial and temporal components of the vertical total electron content gradient based on UPC-IonSAT global ionosphere maps
(2022-02)
Article
Open AccessThe determination of the ionospheric perturbation degree is essential to describe the ionosphere state for space weather monitoring. A new method for estimating the spatial and temporal components of the Vertical Total ... -
Combining Swarm Langmuir probe observations, LEO-POD-based and ground-based GNSS receivers and ionosondes for prompt detection of ionospheric earthquake and tsunami signatures: Case study of 2015 Chile-Illapel event
(2021-12-08)
Article
Open AccessThe study investigates ionospheric electric field responses to the earthquake (EQ) of magnitude 8.3, and the related seismic activity and tsunami triggered by the mainshock in Chile-Illapel region, at 22:54 UTC, in the ... -
High-resolution ionosphere corrections for single-frequency positioning
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-01-01)
Article
Open AccessThe ionosphere is one of the main error sources in positioning and navigation; thus, information about the ionosphere is mandatory for precise modern Global Navigation Satellite System (GNSS) applications. The International ... -
A new method to determine the optimal thin layer ionospheric height and its application in the polar regions
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-06-23)
Article
Open AccessIn this paper, a feasibility study of a microwave antenna-based sensor is proposed for in vitro experiments for monitoring blood glucose levels. The proposed device consists of a square-ring incorporated within a fully ... -
Ionosphere sounding for pre-seismic anomalies identification (INSPIRE): results of the project and perspectives for the short-term earthquake forecast
(Frontiers Media SA, 2021-04-08)
Article
Open AccessThe INSPIRE project was dedicated to the study of physical processes and their effects in ionosphere which could be determined as earthquake precursors together with detailed description of the methodology of ionospheric ...
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