Five-level Index for Use as Ionospheric Situation Warning
Fabio Becker-Guedes1, Claudia M Nicoli Candido2, Carolina S Carmo1, Clezio Marcos De Nardin1, Paulo O Camargo3 and Joao Francisco Galera Monico4, (1)INPE National Institute for Space Research, Sao Jose dos Campos, Brazil, (2)NSSC National Space Science Center, CAS, Beijing, China, (3)UNESP Sao Paulo State University, Presidente Prudente, Brazil, (4)FCT/UNESP, Presidente Prudente, Brazil
