Items where Author is "Ravindran, Sudha"

Article

Manju, G. ; Sridharan, R. ; Ravindran, Sudha ; Madhav Haridas, M. K. ; Pant, Tarun K. ; Sreelatha, P. ; Mohan Kumar, S. V. (2012) Rocket borne in-situ electron density and neutral wind measurements in the equatorial ionosphere—results from the January 2010 annular solar eclipse campaign from India Journal of Atmospheric and Solar-Terrestrial Physics, 86 . pp. 56-64. ISSN 1364-6826

Rao, P. B. ; Beig, G. ; Dabas, R. S. ; Ramkumar, Geetha ; Gurubaran, S. ; Rao, Kusuma G. ; Manoharan, P. K. ; Patra, A. K. ; Ravindran, Sudha ; Pant, Tarun K. ; Venkat Ratnam, M. ; Chakravartyi, S. C. ; Sridharan, R. (2012) An overview of CAWSES - India program with emphasis to equatorial atmospheric coupling processes Journal of Atmospheric and Terrestrial Physics, 75-76 . pp. 98-114. ISSN 0021-9169

Manju, G. ; Sridharan, R. ; Sreelatha, P. ; Ravindran, Sudha ; Madhav Haridas, M. K. ; Pant, Tarun K. ; Pradeep Kumar, P. ; Satheesh Thampi, R. ; Naik, Neha ; Mridula, N. ; Jose, Lijo ; Sumod, S. G. (2012) A Novel probe for in-situ Electron density and Neutral Wind (ENWi) measurements in the near Earth space Journal of Atmospheric and Solar-Terrestrial Physics, 74 . pp. 81-86. ISSN 1364-6826

Bagiya, Mala S. ; Iyer, K. N. ; Joshi, H. P. ; Thampi, Smitha V. ; Tsugawa, Takuya ; Ravindran, Sudha ; Sridharan, R. ; Pathan, B. M. (2011) Low-latitude ionospheric-thermospheric response to storm time electrodynamical coupling between high and low latitudes Journal of Geophysical Research, 116 (A1). pp. A01303_1-A01303_17. ISSN 0148-0227

Sreeja, V. ; Balan, N. ; Ravindran, Sudha ; Pant, Tarun Kumar ; Sridharan, R. ; Bailey, G. J. (2009) Additional stratifications in the equatorial F region at dawn and dusk during geomagnetic storms: role of electrodynamics Journal of Geophysical Research, 114 . pp. A08309_1-A08309_8. ISSN 0148-0227

Sreeja, V. ; Devasia, C. V. ; Ravindran, Sudha ; Pant, Tarun Kumar ; Sridharan, R. (2009) Response of the equatorial and low-latitude ionosphere in the Indian sector to the geomagnetic storms of January 2005 Journal of Geophysical Research, 114 . pp. A06314_1-A06314_13. ISSN 0148-0227

Sreeja, V. ; Vineeth, C. ; Pant, Tarun Kumar ; Ravindran, Sudha ; Sridharan, R. (2009) Role of gravity wave like seed perturbations on the triggering of ESF - a case study from unique dayglow observation Annales Geophysicae, 27 (1). pp. 313-318. ISSN 0992-7689

Sreeja, V. ; Devasia, C. V. ; Ravindran, Sudha ; Sridharan, R. (2009) The persistence of equatorial spread F - an analysis on seasonal, solar activity and geomagnetic activity aspects Annales Geophysicae, 27 . pp. 503-510. ISSN 0992-7689

Manju, G. ; Ravindran, Sudha ; Devasia, C. V. ; Thampi, Smitha V. ; Sridharan, R. (2008) Plasmaspheric electron content (PEC) over low latitude regions around the magnetic equator in the Indian sector during different geophysical conditions Journal of Atmospheric and Solar-Terrestrial Physics, 70 (7). pp. 1066-1073. ISSN 1364-6826

Vineeth, C. ; Pant, Tarun K. ; Thampi, Smitha V. ; Sridharan, R. ; Ravindran, Sudha ; Devasia, C. V. ; Kishore Kumar, K. ; Alex, S. (2008) Investigation of the response of equatorial MLTI region during a partial solar eclipse through ground-based daytime optical technique Journal of Geophysical Research, 113 . pp. A03302_1-A03302_11. ISSN 0148-0227

Tulasi Ram, S. ; Rama Rao, P. V. S. ; Prasad, D. S. V. V. D. ; Niranjan, K. ; Gopi Krishna, S. ; Sridharan, R. ; Ravindran, Sudha (2008) Local time dependent response of postsunset ESF during geomagnetic storms Journal of Geophysical Research, 113 . pp. A07310_1-A07310_19. ISSN 0148-0227

Thampi, Smitha V. ; Ravindran, Sudha ; Devasia, C. V. ; Sreelatha, P. ; Pant, Tarun K. ; Sridharan, R. ; Venkata Ratnam, D. ; Sarma, A. D. ; Raghava Reddi, C. ; Jose, Jessy ; Sastri, J. H. (2007) Coherent radio beacon experiment (CRABEX) for tomographic imaging of the equatorial ionosphere in the Indian longitudes - Preliminary results Advances in Space Research, 40 (3). pp. 436-441. ISSN 0273-1177

Tulasi Ram, S. ; Rama Rao, P. V. S. ; Prasad, D. S. V. V. D. ; Niranjan, K. ; Sridharan, R. ; Devasia, C. V. ; Ravindran, Sudha (2007) Local time dependant response of Indian equatorial ionosphere to the moderate geomagnetic storms Advances in Space Research, 39 (8). pp. 1304-1312. ISSN 0273-1177

Thampi, Smitha V. ; Balan, N. ; Ravindran, Sudha ; Pant, Tarun Kumar ; Devasia, C. V. ; Sreelatha, P. ; Sridharan, R. ; Bailey, G. J. (2007) An additional layer in the low-latitude ionosphere in Indian longitudes: total electron content observations and modeling Journal of Geophysical Research, 112 . pp. A06301_1-A06301_11. ISSN 0148-0227

Tulasi Ram, S. ; Rama Rao, P. V. S. ; Prasad, D. S. V. V. D. ; Niranjan, K. ; Raja Babu, A. ; Sridharan, R. ; Devasia, C. V. ; Ravindran, Sudha (2007) The combined effects of electrojet strength and the geomagnetic activity (K_p- index) on the post sunset height rise of the F-layer and its role in the generation of ESF during high and low solar activity periods Annales Geophysicae, 25 (9). pp. 2007-2017. ISSN 0992-7689

Thampi, Smitha V. ; Ravindran, Sudha ; Pant, Tarun Kumar ; Devasia, C. V. ; Sreelatha, P. ; Sridharan, R. (2006) Deterministic prediction of post-sunset ESF based on the strength and asymmetry of EIA from ground based TEC measurements: preliminary results Geophysical Research Letters, 33 . pp. L13103_1-L13103_4. ISSN 0094-8276

Thampi, Smitha V. ; Ravindran, Sudha ; Devasia, C. V. ; Pant, Tarun K. ; Sreelatha, P. ; Sridharan , R. (2005) First observation of topside ionization ledges using radio beacon measurements from low Earth orbiting satellites Geophysical Research Letters, 32 . pp. L11104_1-L11104_4. ISSN 0094-8276

Krishna Murthy, B. V. ; Ravindran, Sudha ; Viswanathan, K. S. ; Subbarao, K. S. V. ; Patra, A. K. ; Rao, P. B. (1998) Small-scale (~3 m) E region irregularities at and off the magnetic equator Journal of Geophysical Research, 103 (A9). pp. 20761-20773. ISSN 0148-0227

Reddy, C. A. ; Ravindran, Sudha ; Viswanathan, K. S. ; Murthy, B. V. Krishna ; Rao, D. R. K. ; Araki, T. (1994) Observations of Pc5 micropulsation-related electric field oscillations in the equatorial ionosphere Annales Geophysicae (1988), 12 (6). pp. 565-573. ISSN 0992-7689