The PSLV-C44 lifted off at 23:37Hrs(IST) on January 24, 2019 from the First Launch Pad at Satish Dhawan Space Centre SHAR,Sriharikota in its 46th flight. About 13 minutes 26 seconds after lift-off, Microsat-R was successfully injected into intended orbit of 274 km.After injection, two solar arrays of the satellite were deployed automatically and ISRO Telemetry Tracking & Command Network (ISTRAC) at Bengaluru assumed control of the satellite. Subsequently,the fourth stage (PS4) of the vehicle was moved to a higher circular orbit of 453 km after two restarts of the stage, to establish an orbital platform for carrying out experiments. Kalamsat-V2, a student payload, first to use PS4 as an orbital platform, was taken to its designated orbit about 1 hour and 40 minutes after lift-off. This flight marked the first mission of PSLV-DL, a new variant of PSLV with two strap-on motors. In the previous PSLV launch on November 29, PSLV-C43 had successfully launched India’s HysIS as well as 30 customer satellites from abroad.
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