J. Sastri

发表

Effect of magnetic storms and substorms on the low- latitude/ equatorial ionosphere

J. Sastri, 2006 .

HF Doppler and ionosonde observations on the onset conditions of equatorial spread F

G. J. Bailey, N. Balan, J. Sastri, 1993 .

Coherent radio beacon experiment (CRABEX) for tomographic imaging of the equatorial ionosphere in the Indian longitudes - Preliminary results

A. D. Sarma, J. Jose, S. Thampi, 2007 .

Equatorial disturbance dynamo electric field longitudinal structure and spread F: A case study from GUAR/EITS Campaigns

I. Batista, J. MacDougall, M. A. Abdu, 1997 .

Nighttime thermospheric meridional winds at Cachoeira Paulista (23°S, 45°W): Evidence for effects of the equatorial midnight pressure bulge

I. Batista, M. Abdu, J. Sastri, 1997 .

Response of the equatorial ionosphere in the Indian (midnight) sector to the severe magnetic storm of July 15, 2000

K. Subbarao, J. Sastri, K. Niranjan, 2002 .

Response of equatorial ionosphere to the transit of interplanetary magnetic cloud of January 13–15, 1967. Transient disturbance in F region

J. Sastri, K. Ramesh, H. Rao, 1992 .

Sporadic-E associated with the Leonid meteor shower event of November 1998 over low and equatorial latitudes

R. Sridharan, K. Subbarao, C. Devasia, 2001 .

Onset conditions of equatorial (range) spread F at Fortaleza, Brazil, during the June solstice

I. Batista, M. Abdu, J. Sobral, 1997 .

On latitudinal profile of Storm Sudden Commencement in H, Y and Z at Indian Geomagnetic Observatory chain

B. M. Pathan, D. Rao, R. G. Rastogi, 2001 .

Equatorial ionosphere-thermosphere system during geomagnetic storms

T. Pant, R. Sridharan, J. Sastri, 2013 .

Study of random movements of E‐ and F‐region irregularities over Waltair, India

J. Sastri, B. Rao, 1971 .

Depressions in midlatitude F-region under relatively quiet geomagnetic conditions

J. Titheridge, J. Sastri, 1977 .

Ionospheric storm of early November 1993 in the Indian equatorial region

C. Devasia, J. Sastri, H. Chandra, 2000 .

Global magnetospheric‐ionospheric oscillations initiated by a solar wind pressure impulse

G. Reeves, J. Foster, P. Song, 2003 .

Evidence for OI 630.0 nm dayglow variations over low latitudes during onset of a substorm

D. Chakrabarty, B. M. Pathan, G. Reeves, 2010 .

Daytime equatorial geomagnetic H field response to the growth phase and expansion phase onset of isolated substorms: Case studies and their implications

B. M. Pathan, D. Rao, J. Sastri, 2001 .

Optical interferometer measurements of thermospheric temperature at Kavalur (12.5°N, 78.5°E), India

J. Sastri, H. Rao, 1994 .

Thermospheric meridional neutral winds associated with equatorial midnight temperature maximum (MTM)

J. Sastri, H. Chandra, V. Somayajulu, 1994 .

Longitudinal dependence of equatorial F region vertical plasma drifts in the dusk sector

J. Sastri, 1996 .

Response of equatorial-low latitude ionosphere to sudden expansion of magnetosphere

T. Okuzawa, T. Shibata, J. Sastri, 1995 .

Response of equatorial F layer vertical drift in the dusk sector to the change in the radiative output of the Sun in 1992

J. Sastri, 1995 .

Transient composite electric field disturbances near dip equator associated with auroral substorms

J. Sastri, K. Ramesh, H. Rao, 1992 .

On the nature of substorm-related transient electric field disturbances in the equatorial ionosphere

J. Sastri, K. Ramesh, D. Karunakaran, 1992 .

Summer‐winter hemisphere asymmetry of the preliminary reverse impulse of geomagnetic storm sudden commencements at midlatitudes

K. Yumoto, A. Ikeda, J. Sastri, 2008 .

Signatures for magnetospheric substorms in the geomagnetic field of dayside equatorial region: Origin of the ionospheric component

Y. Kamide, J. Sastri, K. Yumoto, 2003 .

Distinctive effects of interplanetary electric field and substorm on nighttime equatorial F layer: A case study

D. Chakrabarty, R. Sekar, S. Ravindran, 2008 .

DP 2 electric field fluctuations in the dusk‐time dip equatorial ionosphere

N. Trivedi, M. Abdu, J. Sobral, 1998 .

Penetration of polar electric fields to the nightside dip equator at times of geomagnetic sudden commencements

J. Sastri, K. Ramesh, J. Rao, 1993 .

Response of equatorial ionosphere to episodes of asymmetric ring current activity

M. A. Abdu, J. Sobral, J. Sastri, 1997 .

On the nature of response of dayside equatorial geomagnetic H-field to sudden magnetospheric compressions

K. Yumoto, J. Sastri, J. Rao, 2006 .

On the characteristics of the SC of 13 July 1961 in the Indian equatorial region

J. Sastri, 1975 .

Phase variability of Sq (H) on normal quiet days in the equatorial electrojet region

J. Sastri, 1982 .

Geomagnetic disturbances associated with disappearing solar filaments

J. Sastri, K. Ramesh, J. Rao, 1985 .

Preliminary impulse of the geomagnetic storm sudden commencement of November 18, 1993

T. Araki, K. Yumoto, S. Tsunomura, 2001 .

Penetration electric fields at the nightside dip equator associated with the main impulse of the storm sudden commencement of 8 July 1991

J. Sastri, 2002 .

Occurrence of abnormal Sq (H) phase in the equatorial electrojet region

J. Sastri, 1981 .

On the occurrence of AQDs at Kodaikanal

B. Murthy, J. Sastri, 1978 .

The geomagnetic solar flare effect of 6 July 1968 and its implications

J. Sastri, 1975 .

Night time geomagnetic effects of solar flares.

J. Sastri, 1975 .

Geomagnetic Solar Flare Effect in the Dark Hemisphere

J. Sastri, 1975 .

Manifestations of short-period electric field fluctuations in the equatorial lower thermosphere

D. Rao, J. Sastri, K. Ramesh, 1988 .

Disappearing solar filaments and geomagnetic activity

J. Sastri, 1986 .

Role of equatorial ionization anomaly in the initiation of equatorial spread F

M. Nageswararao, R. Raghavarao, J. Sastri, 1988 .

Equatorial anomaly in F-region - A review

J. Sastri, 1990 .

Earth's equatorial ionosphere and the heliospheric current sheet

J. Sastri, 1986 .

Duration of equatorial spread-F

J. Sastri, 1984 .

On the development of abnormally large postsunset upward drift of equatorial F region under quiet geomagnetic conditions

J. Sastri, 1998 .

Letter to the editor Post-midnight onset of spread-F at Kodaikanal during the June solstice of solar minimum

J. Sastri, 1999 .

Post-midnight onset of spread-F at Kodaikanal during the June solstice of solar minimum

J. Sastri, 1999 .

Height gradient of F region vertical drift in the evening equatorial ionosphere

S. Nayar, J. Sastri, V. K. Varma, 1995 .

Electric field fluctuations (25-35 min) in the midnight dip equatorial ionosphere

H. Lühr, T. Kitamura, J. Sastri, 2000 .

A study of midlatitude spread-F

J. Sastri, 1977 .

Short-Period (5-33 min) Variations in Vertical Drift of F-Region Plasma near the Magnetic Equator

J. Sastri, 1995 .

A system for recording phase path variations of ionospheric reflections.

J. Sastri, K. Ramesh, K. Ramamoorthy, 1985 .

Range and frequency spread-F at Kodaikanal

J. Sastri, K. Sasidharan, M. S. Rao, 1979 .

Spread-F at Kodaikanal

B. Murthy, J. Sastri, 1975 .

Oscillations in F-region Doppler velocity in the dip equatorial region associated with ULF geomagnetic pulsations

D. Rao, J. Sastri, K. Ramesh, 1993 .

Origin of short‐period (30–300 s) Doppler frequency fluctuations of lower F region reflections in the equatorial electrojet region

J. Sastri, K. Ramesh, V. Somayajulu, 1991 .

Doppler frequency fluctuations of lower thermospheric reflections in the equatorial electrojet region

J. Sastri, K. Ramesh, J. Rao, 1991 .

Small Scale Fluctuations in the F-Region Critical Frequency at Kodaikanal

B. Murthy, J. Sastri, 1977 .

HF Doppler Observations of Small Scale Plasma Motions in the Equatorial Electrojet

D. Rao, J. Sastri, K. Ramesh, 1986 .

Response of equatorial electric field to polarity of interplanetary magnetic field

J. Sastri, 1989 .

On the onset of equatorial spread-F

B. Murthy, J. Sastri, 1978 .

On the height control of the onset of equatorial spread-F.

J. Sastri, K. Sasidharan, M. S. Rao, 1978 .

Patchy occurrence of equatorial spread-F

J. Sastri, 1985 .

Response of the equatorial ionosphere to solar magnetic sector crossing

J. Sastri, 1985 .

IMF polarity effects on the equatorial ionospheric F-region

J. Sastri, 1985 .

Vertical Plasma Drifts of Nighttime F-Region Near Geomagnetic Equator

J. Sastri, K. Ramesh, J. Rao, 1994 .

Characteristics of the equatorial midnight temperature maximum in the Indian sector

J. Sastri, H. Rao, 1994 .

Geomagnetic Effects in the Dark Hemisphere Associated With Solar Flares

B. Murthy, J. Sastri, 1975 .

Ionosphere scintillations associated with features of equatorial ionosphere

B. Murthy, G. Sethia, J. Sastri, 1979 .

On the characteristics of spread-F configurations at Kodaikanal

B. Murthy, J. Sastri, K. Sasidharan, 1975 .

Drift and Anisotropy of E-Region Irregularities at Waltair during IQSY

J. Sastri, B. Rao, 1971 .

Forenoon bite-out in f0F2 at low latitudes

J. Sastri, K. Ramesh, 1982 .

Sudden Frequency Deviations due to Immediate Effect of Geomagnetic Sudden Commencements

J. Sastri, C. Subrahmanyam, 1974 .

The skewness of correlation functions in drift measurements

J. Sastri, B. Rao, 1973 .

Solar wind flow associated with stream-free sector boundaries at 1 AU

J. Sastri, 1987 .

Characteristics of the solar wind at 1 a.u. in relation to hale sector boundaries

J. Sastri, 1986 .

On the relationships between sfe (crochet) and solar X-ray and microwave bursts

B. Murthy, J. Sastri, J. Hanumath Sastri, 1975 .