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NISAR Enters Science Operations as ISRO Publishes First S‑Band Images of India

The Indo‑US radar mission now moves into routine data collection following successful commissioning.

Overview

  • ISRO marked the 100th day in orbit by publishing the first high‑resolution S‑Band SAR image of the Godavari River Delta.
  • The release confirmed NISAR’s transition from commissioning to the science phase with continued calibration and validation activities.
  • NASA’s 12‑metre reflector on a 9‑metre boom was fully deployed in August through a staged sequence managed from ISTRAC with JPL support.
  • Calibration used corner reflectors near Ahmedabad and passes over the Amazon rainforest to refine pointing and image quality.
  • Early analyses indicate the dual‑frequency satellite will provide all‑weather, day‑night data for agriculture, forestry, hydrology, and ice studies over a planned five‑year mission.