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Browsing by Author "Sawant, H. S"

Browsing by Author "Sawant, H. S"

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  • Occultation of a solar active region at 1.5 GHz during the eclipse of November 3, 1994 
    Subramanian, K. R; Sawant, H. S; Fernandes, F. C. R; Cecatto, J. R (EDP Sciences, 2006-03)
    We observed the solar eclipse of November 3, 1994 with a 4-m diameter antenna and a radio spectrograph operating at 1.5 ± 0.05 GHz with a time resolution of 100 ms. Here we present the observations of the occultation of ...
  • Solar spectral fine structure in 18 - 23 GHz band 
    Cecatto, J. R; Subramanian, K. R; Sawant, H. S (Brazilian Physical Society, 1999-09)
    On 30th June 1989 high sensitivity-spectral resolution observations of solar radio bursts were carried out in the frequency range of 18 - 23 GHz. The burst observed at 17:46 UT was different from the 60 bursts observed so ...
  • Southern hemisphere solar radio heliograph 
    Sawant, H. S; Fernandes, F. C. R; Neri, J. A. C. F; Cecatto, J. R; Faria, C; Stephany, S; Rosa, R. R; Andrade, M. C; Ludke, E; Subramanian, K. R; Ramesh, R; Sundrarajan, M. S; Sankararaman, M. R; Ananthakrishnan, S; Swarup, G; Boas, J. W. V; Botti, L. C. L; Moron, C. E; Saito, J. H; Karlicky, M (European Space Agency, 2002-12)
    The Brazilian Decimetric Array (BDA) is being developed at National Institute for Space Research (INPE) as an international collaborative program. Initially, the BDA will operate in the tuneable frequency range of 1.2-1.7 ...

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