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12 août 1960 - Echo 1-RADIO COMMUNICATIONS

Description:

Acting as a passive reflector of microwave signals. Communication signals were bounced off it from one point on Earth to another.

Ajouté au bande de temps:

Early History of satellites

ByCamila Alvarez

29 nov. 2018

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321

Date:

12 août 1960

Maintenaint

~ Il y a 65 ans

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