Automatically identification of Equatorial Spread-F on ionograms recorded in the Brazilian Equatorial region

Valdir Gil Pillat, University of Vale do Paraíba, Sao Jose dos Campos, Brazil, Paulo Roberto Fagundes, University of Vale do Paraíba, Fisica & Astronomia, Sao Jose dos Campos, Brazil and Lamartine N.F. Guimarães, Instituto de Estudos Avançados - IEAv, Energia Nuclear, São José dos Campos, Brazil