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NASA's Psyche Hits 25 Mbps From 140 Miles Away
Tuesday April 30, 2024. 12:00 PM , from Slashdot/Apple
However, as Psyche has continued on its trajectory, the distances have become greater, and the rate at which data can be transmitted and received has tumbled. At 140 million miles, the project's goal was to reach a lofty 1 Mbps. Instead, engineers managed to get 25 Mbps out of the demonstration. Earlier demonstrations tested the technology using preloaded data, such as a cat video. The latest experiment used a copy of engineering data also sent via Psyche's radio transmitter. 'We downlinked about 10 minutes of duplicated spacecraft data during a pass on April 8,' said Meera Srinivasan, the project's operations lead at NASA's Jet Propulsion Laboratory (JPL) in Southern California. 'Until then, we'd been sending test and diagnostic data in our downlinks from Psyche. This represents a significant milestone for the project by showing how optical communications can interface with a spacecraft's radio frequency comms system.' The demonstrator is only along for the ride -- Psyche uses conventional radio technology for its mission. However, the demonstration does point to the potential for higher-bandwidth communications in future projects. Read more of this story at Slashdot.
https://tech.slashdot.org/story/24/04/30/0053223/nasas-psyche-hits-25-mbps-from-140-miles-away?utm_s...
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