Tiwari, D., A. K. Patra, K. S. Viswanathan, N. Jyoti, C. V. Devasia, K. S. V. Subbarao and R. Sridharan, Simultaneous radar observations of the electrojet plasma irregularities at 18 and 54.95 MHz over Trivandrum, India, J. Geophys. Res., 108, 1368, doi:10.1029/2002JA009698, 2003

Sivakumar, V., P. B. Rao and M. Krishnaiah, Lidar Measurements of Stratosphere-Mesosphere thermal structure at a low latitude: Comparison with satellite data models, J. Geophys. Res., 108, 2003

Parameswaran, K., S. V. Sunilkumar, B. V. Krishna Murthy, K. Satheesan, Y. Bhavani Kumar, M. Krishnaiah and   Prabha R. Nair, Lidar observations of cirrus cloud near the tropical tropopause:temporal variations and association with tropospheric turbulence, Atmos. Research, 69, 2003

Sasi, M. N., B. V. Krishna Murthy, Geetha Ramkumar, K. Satheesan,           K. Parameswaran, K. Rajeev, S.V. Sunil Kumar, Prabha R. Nair, K. Krishna Moorthy, Y. Bhavani Kumar, K. Raghunath, A. R. Jain, P. B. Rao, M. Krishnaiah, S. R. Prabhakaran Nayar, K. Revathy and S. Devanarayanan.,  A study of equatorial wave characteristics using Rockets, Balloons, Lidar and Radar., Adv. Space Res., 32, 2003

Satheesan, K., and B. V. Krishna Murthy, Estimation of turbulence parameters in the lower atmosphere from MST radar observations, Quarterly J. Royal Met. Soc , doi.1256/qj.03.n., 2003

Jagannadha Rao, V. V. M., D. Narayana Rao, M. Venkat Ratnam, K. Mohan, and S. V. B. Rao, Mean vertical velocities measured by Indian MST radar and comparison with indirectly computed values, J. Appl. Meteor,  42, 541-552, 2003

Kamala, S.,  D. Narayana Rao, S. C. Chakravarthy, J. Dutta and B. S. N. Prasad, Vertical structure of mesospheric echoes from the Indian MST radar, J. Atmos. Solar Terr. Phys., 65, 71-83, 2003

Venkat Ratnam, M., J. B. Nee, W. N. Chen, V. Sivakumar and P. B. Rao, Recent observations of mesospheric temperature inversions over a tropical station (13.5oN, 79.2oE), J. Atmos. Solar Terr. Phys., 65, 323-334, 2003

Sripathi, S., A. K. Patra, V. Sivakumar and P. B. Rao, Shear instability as a source of the daytime quasi-periodic radar echoes observed by the Gadanki VHF radar, Geophys. Res. Lett., 30, 22, 2149, doi:10.1029/2003GL017544, 2003

Siva Kumar, V., Y. Bhavani kumar, P.B. Rao, K.Mizutari, T.Aoki, M. Yasui and T. Itable, Lidar observed characteristics of the tropical cirrus clouds, Radio Sci.,  38, 1094, doi:10.1029/2002 RS002719, 2003

Dhaka, S. K., M. Takahashi, Y. Kawatani, S. Malik, Y. Shibagaki and S. Fukao, Observations of Deep Convective Updrafts in Tropical Convection and their Role in the Generation of Gravity Waves., Journal of the Meteorological Society of Japan, 81, No.5,2003

Prabhakaran Nayar, S. R., and S. Sreeletha, Momentum flux associated with gravity waves in the low-latitude troposphere, Ann. Geophys., 21, 1183-1195, 2003

Ghosh, A. K., A. R. Jain and V. Sivakumar, A simultaneous MST radar and radiosonde measurements at Gadanki (13.5oN, 79.2oE) Part- II: Determination of various turbulence parameters, Radio Sci., 38(1), 1014, doi: 10.1029/2000RS002527, 2003

Jain, A. R., A. K. Ghosh, V. Sivakumar and K. Kishore Kumar, A simultaneous MST radar and radiosonde measurements at Gadanki (13.5oN, 79.2oE) Part-I: causative mechanism and characteristics of radar backscatters at VHF, Radio Sci., 38(1), 1013, doi:10.1029/2000RS002527, 2003

Rajeev,K.,  K. Parameswaran, M. N. Sasi, Geetha Ramkumar, and B. V. Krishna Murthy, Gravity waves in the tropical middle atmosphere: Characteristics and wave-mean flow interaction, Adv. Space Res., 32(5), 807-812, doi:10.1016/S0273-1177(03)00403-4, 2003

Rajeev, K., K. Parameswaran, M. N. Sasi, G. Ramkumar, B. V. Krishna Murthy, Rayleigh lidar observations of quasi-sinusoidal waves in the tropical middle atmosphere, J. Geophys. Res., 108, No.D24, 4749, doi:10.1029/2003JD003682, 2003

Sunil Kumar, S. V., K. Parameswaran and B. V. Krishna Murthy, Lidar observations of cirrus cloud near the tropical tropopause: General features, Atmospheric Research, 66, 203-227, doi:10.1016/S0169-8095(02)00159, 2003