As NASA’s Jupiter-bound Juno spacecraft swung past Earth on Oct. 9, 2013, amateur radio operators around the world sent a Morse Code “HI” to the spacecraft.
Would Juno hear their call?
During its close flyby of Earth, NASA’s Jupiter-bound Juno spacecraft listened for a communication from amateur radio operators transmitting from locations around the world. This video clip depicts results, the “dits” and the “dahs,” of this high-flying social experiment.
The full image caption for this movie is available: HERE