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Raj Kumar Choudhary
Raj Kumar Choudhary
Space Physics Laboratory, VSSC, Trivandrum
Verified email at vssc.gov.in - Homepage
Title
Cited by
Cited by
Year
Initial performance of the radio occultation experiment in the Venus orbiter mission Akatsuki
T Imamura, H Ando, S Tellmann, M Pätzold, B Häusler, A Yamazaki, ...
Earth, Planets and Space 69, 1-11, 2017
862017
Observable signatures of a convectively generated wave field over the tropics using Indian MST radar at Gadanki (13.5 N, 79.2 E)
SK Dhaka, RK Choudhary, S Malik, Y Shibagaki, MD Yamanaka, S Fukao
Geophysical research letters 29 (18), 19-1-19-4, 2002
612002
The impact of the January 15, 2010, annular solar eclipse on the equatorial and low latitude ionospheric densities
RK Choudhary, JP St.‐Maurice, KM Ambili, S Sunda, BM Pathan
Journal of Geophysical Research: Space Physics 116 (A9), 2011
502011
Thermal structure of the Venusian atmosphere from the sub-cloud region to the mesosphere as observed by radio occultation
H Ando, T Imamura, S Tellmann, M Pätzold, B Häusler, N Sugimoto, ...
Scientific reports 10 (1), 3448, 2020
442020
Local electrodynamics of a solar eclipse at the magnetic equator in the early afternoon hours
JP St.‐Maurice, KM Ambili, RK Choudhary
Geophysical Research Letters 38 (4), 2011
432011
Local time dependence of the thermal structure in the Venusian equatorial upper atmosphere: Comparison of Akatsuki radio occultation measurements and GCM results
H Ando, M Takagi, T Fukuhara, T Imamura, N Sugimoto, H Sagawa, ...
Journal of Geophysical Research: Planets 123 (9), 2270-2280, 2018
372018
Indian MST radar observations of gravity wave activities associated with tropical convection
SK Dhaka, PK Devrajan, Y Shibagaki, RK Choudhary, S Fukao
Journal of Atmospheric and Solar-Terrestrial Physics 63 (15), 1631-1642, 2001
362001
Tropical E region field aligned irregularities: Simultaneous observations of continuous and quasiperiodic echoes
RK Choudhary, KK Mahajan
Journal of Geophysical Research: Space Physics 104 (A2), 2613-2619, 1999
351999
Quasi‐periodic backscatters from the E region at Gadanki: Evidence for Kelvin‐Helmholtz billows in the lower thermosphere?
RK Choudhary, JP St.‐Maurice, LM Kagan, KK Mahajan
Journal of Geophysical Research: Space Physics 110 (A8), 2005
282005
Fast type‐I waves in the equatorial electrojet: Evidence for nonisothermal ion‐acoustic speeds in the lower E region
JP St.‐Maurice, RK Choudhary, WL Ecklund, RT Tsunoda
Journal of Geophysical Research: Space Physics 108 (A5), 2003
282003
Observation of coherent echoes with narrow spectra near 150 km altitude during daytime away from the dip equator
RK Choudhary, JP St.‐Maurice, KK Mahajan
Geophysical research letters 31 (19), 2004
262004
First VHF radar observations of tropical latitude E‐region field aligned irregularities
RK Choudhary, KK Mahajan, S Singh, K Kumar, VK Anandan
Geophysical research letters 23 (25), 3683-3686, 1996
251996
On the origin of the ionosphere at the Moon using results from Chandrayaan‐1 S band radio occultation experiment and a photochemical model
RK Choudhary, KM Ambili, S Choudhury, MB Dhanya, A Bhardwaj
Geophysical Research Letters 43 (19), 10,025-10,033, 2016
232016
On the sunrise oscillation of the F region in the equatorial ionosphere
KM Ambili, JP St.‐Maurice, RK Choudhary
Geophysical research letters 39 (16), 2012
222012
MAVEN observations of the response of Martian ionosphere to the interplanetary coronal mass ejections of March 2015
SV Thampi, C Krishnaprasad, A Bhardwaj, Y Lee, RK Choudhary, ...
Journal of Geophysical Research: Space Physics 123 (8), 6917-6929, 2018
202018
Impact of Oscillating IMF Bz During 17 March 2013 Storm on the Distribution of Plasma Over Indian Low‐Latitude and Mid‐Latitude Ionospheric Regions
PR Shreedevi, RK Choudhary
Journal of Geophysical Research: Space Physics 122 (11), 11,607-11,623, 2017
192017
Gadanki radar observations of daytime E region echoes and structures extending down to 87 km
AK Patra, S Sripathi, PB Rao, RK Choudhary
Annales Geophysicae 24 (7), 1861-1869, 2006
192006
Impact of sudden stratospheric warming of 2009 on the equatorial and low‐latitude ionosphere of the Indian longitudes: A case study
S Yadav, TK Pant, RK Choudhary, C Vineeth, S Sunda, KK Kumar, ...
Journal of Geophysical Research: Space Physics 122 (10), 10,486-10,501, 2017
182017
On the latitudinal changes in ionospheric electrodynamics and composition based on observations over the 76–77 E meridian from both hemispheres during a geomagnetic storm
PR Shreedevi, SV Thampi, D Chakrabarty, RK Choudhary, TK Pant, ...
Journal of Geophysical Research: Space Physics 121 (2), 1557-1568, 2016
182016
Temperature perturbations in the troposphere-stratosphere over Thumba (8.5 N, 76.9 E) during the solar eclipse 2009/2010
KV Subrahmanyam, G Ramkumar, KK Kumar, D Swain, SV Sunil Kumar, ...
Annales Geophysicae 29 (2), 275-282, 2011
182011
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