IIA Institutional Repository

Browsing by Subject "Scintillation"

Browsing by Subject "Scintillation"

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  • Daytime equatorial VHF radiowave scintillations and sporadic-E layer 
    Koparkar, P. V; Rastogi, R. G; Sastri, J. H (The Council of Scientific and Industrial Research, 1989-08)
    Daytime VHF radiowave scintillations at Trivandrum are compared with the E-region irregularities at Kodaikanal. It is shown that daytime scintillations at Trivandrum are basically of two categories. One type of scintillations ...
  • Daytime satellite radio scintillation and sporadic E near the magnetic equator 
    Rastogi, R. G; Deshpande, M. R; Murthy, B. S; Davies, K (American Geophysical Union, 1977-03)
    An investigation is conducted concerning the association between the daytime scintillations of ATS-6 signals received at Ootacamund and the ionograms at the nearby station Kodaikanal, India. The investigation shows that ...
  • Interplanetary Scintillation 
    Alurkar, S. K (Indian Institute of Astrophysics, Bangalore, 1988)
    In this tutorial talk, the ground-based, inexpensive method of interplanetary scintillation (IPS) is described, starting with a general background of scattering of e.m. radiation in turbulent media. This is followed by the ...
  • Ionosphere scintillations associated with features of equatorial ionosphere 
    Chandra, H; Vats, H. O; Sethia, G; Deshpande, M. R; Rastogi, R. G; Sastri, J. H; Murthy, B. S (European Geophysical Society, 1979-09)
    Amplitude scintillations of radio beacons aboard the ATS-6 satellite on 40 MHz, 140 MHz and 360 MHz recorded during the ATS-6 phase II at an equatorial station Ootacamund (dip 4 deg N) and the ionograms at a nearby station ...
  • Localization of Io and non-Io sources of Jovian decameter emission 
    Boischot, A; Sastri, J. H; Zarka, P (The European Southern Observatory, 1987-03)
    The observation of interplanetary scintillations (IPS) of the decameter radio emission from Jupiter provides information about the structure and position of the sources of emission. The paper presents the analysis of all ...
  • On the nature of compact components of radio sources at 327 MHz 
    Balasubramanian, V; Janardhan, P; Ananthakrishnan, S; Srivatsan, R (Astronomical Society of India, 1996)
    The interplanetary scintillation (IPS) survey of about 5000 radio sources carried out during 1992-93 with the Ooty Radio Telescope (ORT) at 327 MHz has resulted in the detection of compact components in about 2700 sources. ...
  • Patchy occurrence of equatorial spread-F 
    Sastri, J. H (European Geosciences Union, 1985-10)
    From a statistical analysis of ionogram data of Kodaikanal (dip 3.5 deg N) it is shown that, during years of high sunspot activity, the discontinuous or patchy occurrence of equatorial spread-F (ESF) depends on season. ...

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