D Dora The Explorer Forum Guru Sep 2, 2017 #1 August 12, 1960 Echo 1, the world’s first communication satellite is launched. Technically, Echo 1 was a passive reflector, as communication signals were bounced off it rather than retransmitted as modern satellites do today.
August 12, 1960 Echo 1, the world’s first communication satellite is launched. Technically, Echo 1 was a passive reflector, as communication signals were bounced off it rather than retransmitted as modern satellites do today.