TDS-01
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Mission details
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).
Current status: Current date is a placeholder or rough estimation based on unreliable or interpreted sources.
Mission-specific study diagram for PSLV XL: staging and target orbit are shown as separate mission phases.
Launch time, window and countdown
The displayed local time is converted by your browser from the published international timestamp. Spaceflight schedules frequently use terms such as NET (No Earlier Than), TBD or broader day/month targets. Spaceflight Now explicitly distinguishes NET and TBD on its public schedule, and NASA also publishes launches with labels such as “No Earlier Than” and “Under Review.” For that reason, this page shows the upstream time precision instead of treating every date as equally firm.
Use the Next Rocket Launch page for the nearest mission, or compare more missions on the launches this week page. If a countdown reaches zero, confirm the operator’s live coverage before assuming liftoff occurred; holds and scrubs can happen very late in the sequence.
Rocket and launch site
PSLV XL is listed for this mission with Indian Space Research Organization. The current launch record places the mission at Satish Dhawan Space Centre First Launch Pad · Satish Dhawan Space Centre, India.
India has two launch pads at the site. The First Launch Pad, operational since 1993, is used for Polar Satellite Launch Vehicle, Small Satellite Launch Vehicle and formerly used by Geosynchronous Satellite Launch Vehicle.
Launch pads and ranges matter because azimuth restrictions, overflight safety, recovery zones and target inclination can constrain when and how a mission flies. Browse the Rocket Launch Sites page to compare other active locations represented in the upcoming schedule.
After liftoff: continue tracking
If this mission deploys Earth-orbiting spacecraft, they can appear later in Recently Launched Satellites once public orbital elements are available. For spacecraft travelling beyond Earth orbit, use the Deep Space section. The launch event and the later orbital catalogue are separate datasets, so payload tracking may not be available immediately after liftoff.
Sources and schedule caveats
Launch schedule data and associated imagery on this page come from Launch Library 2 / The Space Devs and are cached server-side by SpaceTracker.live. Schedule records can change as providers update readiness, weather, range coordination or mission constraints.