Echo
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Echo |
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NASA's first communications satellite, launched on August 12, 1960.
Passive satellite that reflected radio waves back to the ground.
100 ft. diameter balloon made of aluminized polyester that was inflated once in orbit.
Some transmissions from the U.S. were received in England.
Demonstrated satellite tracking and ground station technology that would be used in later active systems.
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on 6 December 2000 . UCL
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Comments/enquiries: a.wolff@ucl.ac.uk |
