A Simple Method to Calculate the Maximum Usable Frequency

Jonas R. Souza, Inez S. Batista, Renata G. D. F. Costa, (Divisão de Aeronomia/INPE, Brazil)

Distributions of ionospheric irregularities measured by the C-NOFS satellite

Emanoel Costa (CETUC/PUC-Rio), and Patrick A. Roddy (Space Vehicles Directorate, AFRL, Kirtland AFB, NM, USA)

Ionospheric 3D-Grid Interpolation for the Brazilian Ionosphere Dynamics Forecasting System

Adriano Petry, Everson Mattos, Thaygoro Minuzzi Leopoldino, Jonas Rodrigues de Souza, (INPE, Brazil)

Longitudinal Differences in Ionospheric Scintillation Characteristics

K. Groves, C. S. Carrano, C. Bridgwood, R. G. Caton, (ISR/Boston College, AFRL/RVB, USA)

Modeling of the Total Electronic Content and magnetic field anomalies generated by the 2011 Tohoku-oki tsunami and associated acoustic-gravity waves

E. Alam Kherani, Philippe Lognonne, H. Herbert, L. Rolland and Eurico R.de Paula, (INPE SJC, Brazil/IPGP, France/GeoAzur, France)

OBSERVATIONS AND SIMULATIONS OF EQUINOCTIAL ASYMMETRY DURING LOW AND HIGH SOLAR ACTIVITIES

Olusegun Jonah, Eurico de Paula and Alam Kherani, (National Institute for Space Research (INPE))

Periodicities on GPS TEC data over South American stations

I.J.Kantor (INPE), O.F.Jonah (INPE), and E.R.de Paula (INPE), Y.Otsuka (Nagoya University)

Review of Radio occultation methods for monitoring atmosphere and ionosphere of the earth

Victor H. Rios, Sebastian Leal y Hernan Esquivel, Physics Department, (UNT / UNSTA / CONICET)

Seasonal Variation of the Earths Magnetic Field Measured at Three Different Latitudes in Brazil

S. S. Chen (National Institute for Space Research (INPE), S. J. Campos-SP, Brazil) (Universidade de Taubaté (UNITAU), Taubaté-SP, Brazil), C. M. Denardini (National Institute for Space Research (INPE), S. J. Campos-SP, Brazil), L. C. A. Resende (National Institute for Space Research (INPE), S. J. Campos-SP, Brazil), J. Moro (National Institute for Space Research (INPE), S. J. Campos-SP, Brazil)

Statistical analysis and modelling of equatorial spread F parameters obtained from VHF radar at three longitudinal sectors

Cueva, R.Y.C. (E.R. de Paula (1) and A.E. Kherani Aeronomy Division, DAE, National Institute for Space Research (INPE), São José dos Campos, São Paulo, Brazil) (Centro de Radio Astronomia e Astrofísica Mackenzie, CRAAM, Presbyterian Mackenzie University, São Paulo, Brazil), E.R. de Paula (E.R. de Paula (1) and A.E. Kherani Aeronomy Division, DAE, National Institute for Space Research (INPE), São José dos Campos, São Paulo, Brazil) and A.E. Kherani (E.R. de Paula (1) and A.E. Kherani Aeronomy Division, DAE, National Institute for Space Research (INPE), São José dos Campos, São Paulo, Brazil)