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12 agos 1960 año - Echo 1-RADIO COMMUNICATIONS

Descripción:

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

Añadido al timeline:

Early History of satellites

ByCamila Alvarez
29 nov 2018
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321

fecha:

12 agos 1960 año
Ahora mismo
~ 65 years ago
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