TDS-01 (Technology Demonstration Satellite-01) is an Indian geostationary orbit technology demonstration satellite carrying payloads for the Indian Space Research Organisation (ISRO)’s Institute of Plasma Research, Gandhinagar and the CSIR-CEERI, Pilani. Payloads to be tested included an internally developed 300 mN electric powered thrusters, atomic clocks, travelling wave tube amplifiers (TWTA) & a quantum communication suite (QuTDS). No earlier than November 2026 · To Be Determined PSLV XL — Indian Space Research Organization, to Geostationary Transfer Orbit Satish Dhawan Space Centre First Launch Pad, Satish Dhawan Space Centre, India Data: Launch Library 2, The Space Devs. Image via The Space Devs.