About

Dr. Seshagiri Rao Vellanki is an Indian scientist and is former distinguished scientist and associate director of the Satish Dhawan Space Centre (SDSC), Indian Space Research Organisation (ISRO). He worked in ISRO for more than 39 years in various capacities. In addition to that, he also served in ISRO as Prof. Satish Dhawan for three years. He is instrumental in setting up state of the art Real Time Systems and computer network for flight safety at SDSC SHAR. He is also responsible in developing data processing software required for displaying flight trajectory. He is a specialist in Kalman Filter. Pulse Coherent Mono-pulse Radars (PCMC) development and commissioning was carried under his leadership. He also developed and implemented various algorithms required for wind profile estimation for weather monitoring. He also worked extensively in Mission Simulations and Post flight trajectory estimation and data analytics.[citation needed] Implemented Expert System for Range Safety. Developed special techniques for dynamic calibration of Radars and Telemetry ground stations.