D Dora The Explorer Forum Guru Joined Jul 7, 2015 Posts 3,646 Reaction 2,218 Points 1,262 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. Attachments You do not have permission to view the full content of this post. Log in or register now.
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.