Articles | Volume 35, issue 6
https://doi.org/10.5194/angeo-35-1201-2017
https://doi.org/10.5194/angeo-35-1201-2017
Regular paper
 | 
08 Nov 2017
Regular paper |  | 08 Nov 2017

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 O. Moraes, Eurico R. de Paula, Luiz F. C. de Rezende, Lucilla Alfonsi, and Bruno J. Affonso

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Latest update: 25 Dec 2024
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Short summary
In this study we analyzed ~ 17 years of GPS data from receivers installed in the observatory of Cachoeira Paulista, Brazil. We statistically analyzed the occurrence of GPS signal amplitude fluctuations caused by irregularities in the Earth's upper atmosphere. These signal fluctuations are known to provoke positional errors for GPS users. The results revealed that the secular variations in the Earth’s magnetic field are affecting the climatology of such GPS signal fluctuations.