Bottom side profiles for two close stations at the southern crest of the EIA: Differences and comparison with IRI-2012 and NeQuick2 for low and high solar activity
Authors: L. Perna; K. Venkatesh; V.G. Pillat; M. Pezzopane; P.R. Fagundes; R.G. Ezquer; M.A. Cabrera
Observed effects in the equatorial and low-latitude ionosphere in the South American and African sectors during the 2012 minor sudden stratospheric warming
Authors: F. Vieira; P. R. Fagundes; K. Venkatesh; L. P. Goncharenko; V. G. Pillat
Ionospheric response to the 2006 sudden stratospheric warming event over the equatorial and low latitudes in the Brazilian sector using GPS observations