Echo satellite
The Echo satellites were NASA's first communications satellite experiment. Each spacecraft was designed as a metallized balloon satellite acting as a passive reflector of microwave signals. Communication signals were bounced off of it from one point on Earth to another.
Related Topics:
NASA - Communications satellite - Balloon satellite - Reflector - Microwave
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~ Table of Content ~
| ► | Introduction |
| ► | Echo 1 |
| ► | Echo 2 |
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