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Browsing by Subject "Magnetic Equator"

Browsing by Subject "Magnetic Equator"

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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 ...
  • Daily variation of the equatorial geomagnetic field in the vicinity of the IMF sector boundaries 
    Murthy, B. S (National Institute of Science Communication And Information Resources, 1979-12)
    The response of the equatorial geomagnetic field to the passage of over 170 spacecraft-observed and well-established sector boundaries during the period 1962-1972 has been studied. It is shown from superposed epoch analysis ...
  • Daily variation of total electron content near magnetic equator 
    Sethia, G; Chandra, H; Rastogi, R. G; Murthy, B. S; Shah, G. A; Krishna-Swamy, K. S (Indian Academy of Sciences, 1979-05)
  • 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 irregularity belt and its movement during a magnetic storm 
    Vats, H. O; Chandra, H; Deshpande, M. R; Rastogi, R. G; Murthy, B. S; Janve, A. V; Rai, R. K; Singh, M; Gurm, H. S; Jain, A. R (Nature Publishing Group, 1978-03)
    GEOSTATIONARY satellites are able to monitor amplitude, phase, plane of polarisation (Faraday rotation) and group retardation of radio waves passing through the ionosphere with improved temporal resolution, although some ...
  • Ionospheric electron content and equivalent slab thickness in the equatorial region 
    Das Gupta, A; Basu, S; Bhar, J. N; Bhattacharyya, J. C (American Geophysical Union, 1975-02)
    The ionospheric total electron content and equivalent slab thickness in the equatorial region around 75° E have been studied. It is found that the slab thickness exhibits a strong latitudinal dependence with a maximum at ...
  • 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 ...
  • Onset of equatorial spread-f 
    Sastri, J. H; Murthy, B. S (European Geophysical Society, 1978)
  • Spread-F at Kodaikanal 
    Sastri, J. H; Murthy, B. S (European Geophysical Society, 1975-06)
    Quarter-hourly ionograms of Kodaikanal for the period January 1968 to December 1969 have been examined for occurrence of Spread-F. Spread-F occurrence as a feature on ionograms is more or less a regular nocturnal event ...
  • Total electron concentration of the ionosphere over the magnetic equator 
    Rastogi, R. G; Iyer, K. N; Bhattacharyya, J. C (Indian Academy of Sciences, 1975-08)
  • Transient composite electric field disturbances near dip equator associated with auroral substorms 
    Sastri, J. H; Ramesh, K. B; Rao, H. N. R (American Geophysical Union, 1992-07)
    Ionosonde data of Kodaikanal (Geog.Long. 77° 29′E, dip 3.0°N) and Huancayo (Geog.Long. 75°18′W, dip 2.0°N) are used to show the simultaneous occurrence of a transient disturbance in F region height of composite polarity ...

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