The variability of low-latitude ionospheric amplitude and phase scintillation detected by a triple-frequency GPS receiver
Alison de Oliveira Moraes,Emanoel Costa,M. A. Abdu,M. A. Abdu,Fabiano S. Rodrigues,Eurico R. de Paula,Kelias Oliveira,Waldecir João Perrella +7 more
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This article is published in Radio Science.The article was published on 2017-04-01 and is currently open access. It has received 53 citations till now. The article focuses on the topics: Scintillation & Interplanetary scintillation.read more
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Journal ArticleDOI
GPS availability and positioning issues when the signal paths are aligned with ionospheric plasma bubbles
Alison de Oliveira Moraes,Bruno César Vani,Emanoel Costa,M. A. Abdu,Eurico R. de Paula,Jonas Sousasantos,João Francisco Galera Monico,Biagio Forte,P. M. S. Negreti,Milton Hirokazu Shimabukuro +9 more
TL;DR: In this paper, the propagation paths of signals through equatorial ionospheric irregularities are analyzed by evaluating their effects on Global Navigation Satellite System (GNSS) positioning and availability based on observations during 32 days by a scintillation monitor at Sao Jose dos Campos, Brazil.
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Climatology and modeling of ionospheric scintillations and irregularity zonal drifts at the equatorial anomaly crest region
Marcio T. A. H. Muella,Marcelo H. Duarte-Silva,Alison de Oliveira Moraes,Eurico R. de Paula,L. F. C. Rezende,Lucilla Alfonsi,Bruno J. Affonso +6 more
TL;DR: In this paper, the authors analyzed the solar cycle dependence of ionospheric scintillations and the zonal drift velocities of scintillation-producing irregularities for a station located under the southern crest of the equatorial ionization anomaly.
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Amplitude scintillation index derived from C / N 0 measurements released by common geodetic GNSS receivers operating at 1 Hz
TL;DR: In this article, the authors developed an amplitude scintillation index, which is derived from the carrier-to-noise density ratio (C/N) data released by common geodetic GNSS receivers operating at 1-Hz.
Journal ArticleDOI
Feasibility of precise navigation in high and low latitude regions under scintillation conditions
José Miguel Juan,Jaume Sanz,Guillermo González-Casado,Adria Rovira-Garcia,Adriano Camps,Jaume Riba,Jose Barbosa,Estefania Blanch,David Altadill,R. Orús +9 more
TL;DR: In this article, the authors show that the effect of scintillation on the GNSS signal is quite different in low and high latitudes, and that the detection of these cycle slips is the most challenging problem for precise navigation.
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Analysis of Plasma Bubble Signatures in Total Electron Content Maps of the Low-Latitude Ionosphere: A Simplified Methodology
Cesar B. A. de Oliveira,Teddy Modesto Surco Espejo,Alison de Oliveira Moraes,Emanoel Costa,Jonas Sousasantos,Luis Felipe Dias Lourenço,M. A. Abdu +6 more
TL;DR: In this paper, the authors present a methodology to estimate the total electron content (TEC) of the low-latitude ionosphere based on GPS measurements and compare with results from other geophysical instruments, such as all-sky imagers and ionosondes.
References
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Radio wave scintillations in the ionosphere
Kung Chie Yeh,Chao-Han Liu +1 more
TL;DR: In this article, a review of scintillation of radio waves propagating through the ionosphere is presented, focusing on propagational aspects, including both theoretical and experimental results, with a discussion of the motivation for stochastic formulation of the problem.
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Monitoring of global ionospheric irregularities using the Worldwide GPS Network
TL;DR: In this article, a prototype system has been developed to monitor the instantaneous global distribution of ionospheric irregularities, using the worldwide network of Globa Positioning System (GPS) receivers.
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Global morphology of ionospheric scintillations
TL;DR: In this article, a review of the available amplitude and phase scintillation data is presented, where the effect of magnetic activity, solar sunspot cycle, and time of day is shown for each three latitudinal sectors.
Journal ArticleDOI
GPS and ionospheric scintillations
TL;DR: In this paper, the authors review the impact of scintillations on GPS receiver design and use and present a review of GPS and ionospheric scintillation for scientists interested in space weather.
Journal ArticleDOI
Control of the seasonal and longitudinal occurrence of equatorial scintillations by the longitudinal gradient in integrated E region Pedersen conductivity
TL;DR: In this article, the seasonal maxima in scintillation activity coincide with the times of year when the solar terminator is most nearly aligned with the geomagnetic flux tubes, and the occurrence of plasma density irregularities responsible for scintillations is most likely when the integrated E-region Pedersen conductivity is changing most rapidly.