ISRO Ristat Surveillance Satellite Unfurls Its Antenna


ISRO has given us the latest update aboard the recently launched Risat satellite. The agency's scientists have unfolded the antenna that was inside the radar imaging satellite. ISRO updated on its official Twitter handle that the scientists at the home base unfurled the antenna a day after the Risat satellite was launched successfully from the Sriharikota launch base.

ISRO Ristat Surveillance Satellite Unfurls Its Antenna


ISRO Risat Satellite Antenna Unfurled

ISRO noted that the entire complex process of unfurling the antenna was done in nine minutes, twelve seconds. The agency's tweet said that at 2 PM IST, the Radial Rib Antenna of the Risat 2BR1 spacecraft was successfully deployed in-orbit. During the launch of the spacecraft, the antenna was folded and stowed inside.

"This complex technology involved unfurling & deployment of the 3.6 m antenna which was folded & stowed during launch. The deployment was completed in 9 mins 12 s," ISRO said. The antenna plays an important role in radar mapping and the Earth's imaging.

After the successful deployment of the Risat 2BR1 satellite, ISRO also deployed two solar arrays automatically. The ISRO Telemetry Tracking and Command Network in Bengaluru then assumed control over the satellite. ISRO noted that the final operational configuration would be brought in the coming days.

ISRO Risat Satellite Launch Successful

ISRO placed the Risat satellite in its orbit of 576 km and is scheduled for a mission life of five years. The PSLV-C48 spaceship that carried the satellite also took nine commercial satellites from four countries namely the US, Israel, Italy, and Japan. ISRO has successfully deployed all the satellites.


Coming to the purpose, the Risat satellite will be used for surveillance, agriculture, forestry, and disaster management. The powerful radar imaging and Earth observation equipment will play a key role for military purposes as well.

The launch of the satellite marked a significant milestone for ISRO as it was the 50th flight of the PSLV and also the 75th vehicle mission from Sriharikota. With the antenna unfurled now, the Risat satellite will begin its important mission.

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