Atmospheric Dynamics Branch Metadata

 (a) Meteor Radar at Thumba  (8.5^oN; 76.9^oE) [35.25 MHz]
     Observation Period : June 2004 to November 2015, April 2018 to till date

      Products : (1) Hourly zonal and meridional wind from 82 to 98 km

                       (2) Daily mean temperature at ~ 90 km

      Data In-charge  : Dr. Geetha Ramkumar,  Head ADB, SPL, VSSC

      Contact e-mails :  geetha_ramkumar[at]vssc[dot]gov[dot]in

                                   k_kishorekumar[at]vssc[dot]gov[dot]in

(b) Radiosonde / Ozonesonde data

    (1) Tropical Tropopause Dynamics

          Contact person : sv_sunilkumar[at]vssc[dot]gov[dot]in

    (2) Tropical Cyclone

          Contact person : siddarth_das[at]vssc[dot]gov[dot]in

(c) M-100 and RH-200 Rocket sounding data