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 The Deep Space Network  or DSN  is NASA’s international array of giant radio antennas that supports interplanetary spacecraft missions, plus a few that orbit Earth. The DSN also provides radar and radio astronomy observations that improve our understanding of the solar system and the larger universe.

The DSN’s largest antenna in the Southern Hemisphere returns to full service on Feb. 12, 2020. Deep Space Station 43, the 70-meter antenna at the Canberra Deep Space Communications Complex in Australia, has been undergoing repairs and upgrades for more than 10 months.