Watch NASA's SWOT Satellite Deploy Its Antennas In Space
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NASA's Surface Water and Ocean Topography (SWOT) satellite's large mast and antenna panels of the spacecraft’s main science instrument were full deployed over the course of 4 days. The "two antennas belong to the groundbreaking Ka-band Radar Interferometer (KaRIn) instrument," according to NASA.

Credit: NASA/JPL-Caltech/CNES