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Browsing by Subject "Sporadic E Layer"

Browsing by Subject "Sporadic E Layer"

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  • Blanketing sporadic E layer near the magnetic equator 
    Chandra, H; Rastogi, R. G (American Geophysical Union, 1975-01)
    A study of the ionograms obtained at Kodaikanal (dip latitude 1.7 N) during the period 1954-1966 has shown that the daily variation of the occurrence of the blanketing type of sporadic E has a major peak around 1700 LT in ...
  • Characteristics of night sporadic-E at Kodaikanal 
    Sastri, J. H; Murthy, B. S (National Institute of Science Communication And Information Resources, 1975-09)
    Published ionospheric data were used as a basis to study the characteristics of nighttime Es (blanketing frequency, virtual height, and transparency range) at Kodaikanal (geomag. lat.: 0.6 N; dip: 3.5 N) with the object ...
  • 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 ...
  • Equatorial sporadic e and cross-field instability 
    Rastogi, R. G (Indian Academy of Sciences, 1972-05)
    The occurrence of sporadic E at an equatorial station during magnetically quiet daytime conditions corresponds almost exactly to the time during which the horizontal component of the earth’s magnetic field is above 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 ...
  • Occurrence of M and N echoes at the equatorial station, Kodaikanal 
    Sastri, J. H; Murthy, B. S (National Institute of Science Communication And Information Resources, 1975-03)
    Results are presented from a study on the occurrence of M and N traces on ionograms at the equatorial station Kodaikanal, with particular reference to their associations with various sporadic configurations. It is shown ...
  • On the growth and decay of blanketing sporadic-E layers 
    Sastri, J. H (The Council of Scientific and Industrial Research, 1980-02)
    Vertical incidence ionospheric soundings with a C-3 ionosonde were performed at Kodaikanal (dip 3.5 deg N) at one minute intervals during October 1974-January 1975 with a view to monitoring the small scale fluctuations in ...
  • On the simultaneous existence of eastward and westward flowing equatorial electrojet currents 
    Rastogi, R. G (Indian Academy of Sciences, 1975-02)
    Experimental data on daily variations in the geomagnetic field are analyzed for evidence of counterflowing electrojets. In particular, the disappearance of the q type of Es layer (Es-q) and the appearance of blanketing-type ...
  • The sporadic E layer at Kodaikanal 
    Rangarajan, S (American Geophysical Union, 1954-06)
    An examination of the ionospheric records at Kodaikanal, which is located almost on the geomagnetic equator, reveals that the sporadic E layer here has some regular features not observed at other latitudes. It occurs in ...

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