Fagundes, P. R., Cardoso, F. A., Fejer, B. G., Venkatesh, K., Ribeiro, B. A. G., Pillat, V. G. (2016) Positive and negative GPS-TEC ionospheric storm effects during the extreme space weather event of March 2015 over the Brazilian sector. Journal of Geophysical Research: Space Physics, 121 (6). 5613-5625 doi:10.1002/2015ja022214

See Also

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	Vieira, F., Fagundes, P. R., Venkatesh, K., Goncharenko, L. P., Pillat, V. G. (2017) Total electron content disturbances during minor sudden stratospheric warming, over the Brazilian region: A case study during January 2012. Journal of Geophysical Research: Space Physics, 122 (2). 2119-2135 doi:10.1002/2016ja023650
	Fagundes, P. R., Goncharenko, L. P., Abreu, A. J., Venkatesh, K., Pezzopane, M., Jesus, R., Gende, M., Coster, A. J., Pillat, V. G. (2015) Ionospheric response to the 2009 sudden stratospheric warming over the equatorial, low, and middle latitudes in the South American sector. Journal of Geophysical Research: Space Physics, 120 (9). 7889-7902 doi:10.1002/2014ja020649
	Tardelli, A., Fagundes, P. R., Pezzopane, M., Venkatesh, K., Pillat, V. G. (2016) Seasonal and solar activity variations of F 3 layer and quadruple stratification (StF-4) near the equatorial region. Journal of Geophysical Research: Space Physics, 121 (12). 12 doi:10.1002/2016ja023580
	Ribeiro, B.A.G., Fagundes, P.R., Venkatesh, K., Tardelli, A., Pillat, V.G., Seemala, G.K. (2019) Equatorial and low-latitude positive ionospheric phases due to moderate geomagnetic storm during high solar activity in January 2013. Advances in Space Research, 64. 995-1010 doi:10.1016/j.asr.2019.05.032
	de Abreu, A. J., Fagundes, P. R., Sahai, Y., de Jesus, R., Bittencourt, J. A., Brunini, C., Gende, M., Pillat, V. G., Lima, W. L. C., Abalde, J. R., Pimenta, A. A. (2010) Hemispheric asymmetries in the ionospheric response observed in the American sector during an intense geomagnetic storm. Journal of Geophysical Research: Space Physics, 115. doi:10.1029/2010ja015661
	Jesus, R., Batista, I. S., Takahashi, H., Paula, E. R., Barros, D., Figueiredo, C. A. O. B., Abreu, A. J., Jonah, O. F., Fagundes, P. R., Venkatesh, K. (2020) Morphological Features of Ionospheric Scintillations During High Solar Activity Using GPS Observations Over the South American Sector. Journal of Geophysical Research: Space Physics, 125 (3). doi:10.1029/2019ja027441
	Venkatesh, K., Fagundes, P. R., Seemala, Gopi K., de Jesus, R., de Abreu, A. J., Pillat, V. G. (2014) On the performance of the IRI-2012 and NeQuick2 models during the increasing phase of the unusual 24th solar cycle in the Brazilian equatorial and low-latitude sectors. Journal of Geophysical Research: Space Physics, 119 (6). 5087-5105 doi:10.1002/2014ja019960
	Zhou, Yun‐Liang, Lühr, Hermann, Xiong, Chao, Pfaff, Robert F. (2016) Ionospheric storm effects and equatorial plasma irregularities during the 17–18 March 2015 event. Journal of Geophysical Research: Space Physics, 121 (9). 9146-9163 doi:10.1002/2016ja023122
	de Abreu, A.J., Sahai, Y., Fagundes, P.R., Becker-Guedes, F., de Jesus, R., Guarnieri, F.L., Pillat, V.G. (2010) Response of the ionospheric F-region in the Brazilian sector during the super geomagnetic storm in April 2000 observed by GPS. Advances in Space Research, 45. 1322-1329 doi:10.1016/j.asr.2010.02.003
	de Abreu, A.J., Roberto, M., Alves, M.A., Abalde, J.R., Nogueira, P.A.B., Venkatesh, K., Fagundes, P.R., de Jesus, R., Gende, M., Martin, I.M. (2019) Effects of X2-class solar flare events on ionospheric GPS-TEC and radio waves over Brazilian sector. Advances in Space Research, 63. 3586-3605 doi:10.1016/j.asr.2019.02.020
	de Jesus, R., Batista, I. S., Jonah, O. F., de Abreu, A. J., Fagundes, P. R., Venkatesh, K., Denardini, C. M. (2017) An Investigation of the Ionospheric Disturbances Due to the 2014 Sudden Stratospheric Warming Events Over Brazilian Sector. Journal of Geophysical Research: Space Physics, 122 (11). 11 doi:10.1002/2017ja024560