NASA’s Juno Spacecraft Hears Hams Say “HI”

[ARRL]

In a first-of-a kind for an interplanetary spacecraft, NASA’s Juno spacecraft in October was able to detect Amateur Radio signals transmitting “HI” in coordinated, very slow-speed CW. More than a thousand radio amateurs around the globe greeted Juno October 9 as it looped past Earth for a gravity-assisted boost on its way to Jupiter. Participants were invited to spread out across 10 meters to t...





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