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    Equatorial Spread F Statistics and Empirical Representation for IRI: A Regional Model for the Brazilian Longitude Sector

    Abdu, M. A. / Souza, J. R. / Batista, I. S. et al. | British Library Conference Proceedings | 2003

    Rocket and Ground-Based Electron Density Soundings Versus IRI Representation

    Sobral, J. H. A. / Abdu, M. A. / Muralikrishna, P. et al. | British Library Conference Proceedings | 2003

    Comparisons of IRI Model and Electron Density Data for the Sub-Equatorial Station, Natal

    de Medeiros, R. T. / Souza, J. R. / Abdu, M. A. et al. | British Library Conference Proceedings | 2003

    Thermospheric F-Region Travelling Disturbances Detected at Low Latitude by an OI 630 nm Digital Imager System

    Sobral, J. H. A. / Takahashi, H. / Abdu, M. A. et al. | British Library Conference Proceedings | 2001

    Optical Studies of the Ionospheric Irregularities Over the Brazilian Region by Nocturnal Images of the OI 630 nm Emission

    Santana, D. C. / Sobral, J. H. A. / Takahashi, H. et al. | British Library Conference Proceedings | 2001

    Fine Structure of the Ionospheric Plasma Bubbles Observed by the OI 6300 and 5577 Airglow Images

    Takahashi, H. / Taylor, M. J. / Sobral, J. H. A. et al. | British Library Conference Proceedings | 2001

    Global Scale Earth's Upper Atmosphere Monitoring by SACI-1 Micro-Satellite

    Takahashi, H. / Neri, J. A. / Abdu, M. A. et al. | British Library Conference Proceedings | 2000

    Solar and Geomagnetic Activity Effects on Nocturnal Zonal Velocities of Ionospheric Plasma Depletions

    Sobral, J. H. A. / Abdu, M. A. / Takahashi, H. et al. | British Library Conference Proceedings | 1999
    Beteiligte: Burns, A.

    Equatorial Spread F Statistics in the American Longitudes: Some Problems Relevant to ESF Description in the IRI Scheme

    Abdu, M. A. / Sobral, J. H. A. / Batista, I. S. et al. | British Library Conference Proceedings | 1999
    Beteiligte: Rawer, K. M.

    Occurrence of an Additional Layer in the Ionosphere Over Fortaleza

    Balan, N. / Batista, I. S. / Abdu, M. A. et al. | British Library Conference Proceedings | 1999
    Beteiligte: Burns, A.

    Equatorial Spread-F Occurrence Statistics in the American Longitudes: Diurnal, Seasonal and Solar Cycle Variations

    Abdu, M. A. / Sobral, J. H. A. / Batista, I. S. et al. | British Library Conference Proceedings | 1998
    Beteiligte: Bradley, P. A.

    Horizontal Gradients of the Nocturnal OI 557.7 nm and OI 630 nm Photoemission Rates in the Equatorial Ionosphere Based on Rocket Electron Density Data

    Sobral, J. H. A. / Adbu, M. A. / Muralikrishna, P. et al. | British Library Conference Proceedings | 1997

    Radio Observations of Total Solar Eclipse of November 3, 1994 at Chapeco (Brazil)

    Sawant, H. S. / Srivastava, N. / Trigoso, H. E. et al. | British Library Conference Proceedings | 1997
    Beteiligte: Shea, M. A.

    Permanent Changes in Sporadic E Layers over Fortaleza, Brazil

    Abdu, M. A. / Batista, I. S. / MacDougall, J. et al. | British Library Conference Proceedings | 1997

    The Brazilian scientific satellite

    Sobral, J. H. A. / Muralikrishna, P. / Abdu, M. A. et al. | British Library Conference Proceedings | 1994
    Beteiligte: Valenzuela, A.