| World-wide lightning location using VLF propagation in the Earth-ionosphere waveguide RL Dowden, RH Holzworth, CJ Rodger, J Lichtenberger, NR Thomson, ... IEEE Antennas and Propagation Magazine 50 (5), 40-60, 2008 | 111 | 2008 |
| On the occurrence of equatorial F-region irregularities during solar minimum using radio occultation measurements BA Carter, K Zhang, R Norman, VV Kumar, S Kumar J. Geophys. Res. Space Physics, 118 (12), 1-13, 2013 | 107* | 2013 |
| Analysis and performance of a low cost SMS based home security system IS Azid, S Kumar International Journal of Smart Home 5 (3), 15-24, 2011 | 94 | 2011 |
| VHF ionospheric scintillations near the equatorial anomaly crest: solar and magnetic activity effects S Kumar, AK Gwal Journal of Atmospheric and Solar-Terrestrial Physics 62 (3), 157-167, 2000 | 84 | 2000 |
| Nighttime D region electron density measurements from ELF‐VLF tweek radio atmospherics recorded at low latitudes AK Maurya, B Veenadhari, R Singh, S Kumar, MB Cohen, ... Journal of Geophysical Research: Space Physics 117 (A11), 2012 | 71 | 2012 |
| Higher harmonic tweek sferics observed at low latitude: estimation of VLF reflection heights and tweek propagation distance S Kumar, A Kishore, V Ramachandran Annales Geophysicae 26 (6), 1451-1459, 2008 | 71 | 2008 |
| D‐region ionosphere response to the total solar eclipse of 22 July 2009 deduced from ELF‐VLF tweek observations in the Indian sector R Singh, B Veenadhari, AK Maurya, MB Cohen, S Kumar, ... Journal of Geophysical Research: Space Physics 116 (A10), 2011 | 63 | 2011 |
| Low-mid latitude D region ionospheric perturbations associated with 22 July 2009 total solar eclipse: Wave-like signatures inferred from VLF observations AK Maurya, DV Phanikumar, R Singh, S Kumar, B Veenadhari, YS Kwak, ... Journal of Geophysical Research: Space Physics 119, 8512–8523, 2014 | 61 | 2014 |
| Space weather effects on the low latitude D-region ionosphere during solar minimum A Kumar, S Kumar Earth, Planets and Space 66, 76-85, 2014 | 54 | 2014 |
| Solar flares induced D-region ionospheric and geomagnetic perturbations R Selvakumaran, AK Maurya, SA Gokani, B Veenadhari, SushilKumar, ... Journal of Atmospheric and Solar-Terrestrial Physics 123, 102–112, 2015 | 53 | 2015 |
| On the Effects of Large-Scale Environment and Surface Types on Convective Cloud Characteristics over Darwin, Australia VV Kumar, A Protat, PT May, C Jakob, G Penide, S MONTHLY WEATHER REVIEW 141, 1358-1374, 2013 | 53 | 2013 |
| Response of the low-latitude D region ionosphere to extreme space weather event of 14–16 December 2006 S Kumar, A Kumar, F Menk, AK Maurya, R Singh, B Veenadhari Journal of Geophysical Research: Space Physics 120, 88–799,doi:10.1002/ 2014JA, 2015 | 50 | 2015 |
| Nighttime D-region equivalent electron density determined from tweek sferics observed in the South Pacific Region S Kumar, A Deo, V Ramachandran Earth, planets and space 61 (7), 905-911, 2009 | 43 | 2009 |
| Geomagnetic storms and their ionospheric effects observed at the equatorial anomaly crest in the Indian Region S Kumar, H Chandra, S Sharma Journal of atmospheric and solar-terrestrial physics 67 (6), 581-594, 2005 | 43 | 2005 |
| On the relationship between lightning peak current and Early VLF perturbations MM Salut, MB Cohen, MAM Ali, KL Graf, BRT Cotts, S Kumar Journal of Geophysical Research: Space Physics 118 (11), 7272-7282, 2013 | 41 | 2013 |
| Lightning location from single station measurements and Validation with WWLLN data V Ramachandran, J Prakash, A Deo, S Kumar Annales Geophysicae 25, 1509-1517, 2007 | 41* | 2007 |
| Spatio-temporal variability of lightning and convective activity over South/South-East Asia with an emphasis during El Niño and La Niña U Saha, D Siingh, SK Midya, RP Singh, AK Singh, S Kumar Atmospheric Research 197, 150-166, 2017 | 39 | 2017 |
| Subionospheric early VLF perturbations observed at Suva: VLF detection of red sprites in the day? S Kumar, A Kumar, CJ Rodger Journal of Geophysical Research 113 (A3), A03311, 2008 | 39 | 2008 |
| Ionospheric response to the St. Patrick's Day space weather events in March 2012, 2013, and 2015 at southern low and middle latitudes S Kumar, VV Kumar Journal of Geophysical Research: Space Physics 124 (1), 584-602, 2019 | 37 | 2019 |
| Changes in the D region associated with three recent solar eclipses in the South Pacific region S Kumar, A Kumar, A Maurya, R Singh Journal of Geophysical Research: Space Physics 121, doi:10.1002/2016JA022695., 2016 | 34 | 2016 |
Rajesh SinghProfessor at Indian Institute of GeomagnetismVerified email at iigm.res.in
