TNPSC Thervupettagam

Drishti Satellite Communication Failure

July 14 , 2026 17 hrs 0 min 14 0
  • Mission Drishti, the world’s first OptoSAR (Optical + Synthetic Aperture Radar) satellite, lost communication due to an anomaly caused by a geomagnetic solar storm.
  • Radiation from the solar storm affected a critical onboard system during the Launch and Early Orbit Phase.
  • The satellite was designed to capture optical multi-spectral and Synthetic Aperture Radar (SAR) images of the same location simultaneously.
  • It aimed to overcome the tropical cloud-cover problem by using SAR sensors that can operate through clouds and at night.
  • Drishti used Artificial Intelligence (AI) to generate optical-like images from SAR data for easier interpretation.
  • The satellite was planned for applications including border surveillance, defence, disaster management, agriculture, infrastructure planning and insurance assessment.

 

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