Browsing by Author Ramkumar, T.K.
Showing results 1 to 10 of 10
Issue Date | Title | Author(s) |
2010 | A comparison study of zonal drift velocities measurements as seen by MF spaced antenna and HF Doppler radar in the Indian dip equatorial mesospheric and lower thermospheric (80–100 km) region | Ramkumar, T.K.; Gurubaran, S.; Rajaram, R.; Tiwari, D.; Viswanathan, K.S. |
2019 | Evidence for Deep Ingression of the Midlatitude MSTID Into As Low as ~3.5° Magnetic Latitude | Sivakandan, M.; Chakrabarty, D.; Ramkumar, T.K.; Guharay, A.; Taori, A.; Parihar, N. |
2008 | First results from the CAWSES-India Tidal Campaign | Gurubaran, S.; Rao, D. Narayana; Ramkumar, G.; Ramkumar, T.K.; Dutta, G.; Krishnamurthy, B.V. |
2002 | Investigation of equatorial ionosphere using ground based magnetic field measurements and a medium frequency radar | Ramkumar, T.K. |
2002 | Lower E-region MF radar spaced antenna measurements over magnetic equator | Ramkumar, T.K.; Gurubaran, S.; Rajaram, R. |
2009 | Mesospheric planetary wave signatures in the equatorial electrojet | Ramkumar, T.K.; Gurubaran, S.; Rajaram, R. |
2001 | The mesospheric quasi-2-day wave over Tirunelveli(8.7degree N) | Gurubaran, S.; Sridharan, S.; Ramkumar, T.K.; Rajaram, R. |
2006 | Observational evidences on the influences of tropical lower atmospheric 20 day oscillation on the ionospheric equatorial electrojet | Ramkumar, T.K.; Bhavanikumar, Y.; Rao, D. Narayana; Gurubaran, S.; Babu, A. Narendra; Ghosh, A.K.; Rajaram, R. |
2006 | Observational evidences on the influences of tropical lower atmospheric ∼20 day oscillation on the ionospheric equatorial electrojet | Ramkumar, T.K.; Bhavanikumar, Y.; Rao, D. Narayana; Gurubaran, S.; Babu, A. Narendra; Ghosh, A.K.; Rajaram, R. |
2001 | Signatures of quasi-2-day planetary waves in the equatorial electrojet: results from simultaneous observations of mesospheric winds and geomagnetic eld variations at low latitudes | Gurubaran, S.; Ramkumar, T.K.; Sridharan, S.; Rajaram, R. |