Sputnik: Difference between revisions
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Soviet Union. The first artificial satellite, Sputnik 1, was launched on 4 October 1957. The satellite contained two [[Radio|radio]] transmitters designed so that their signals could be received easily by [[Amateur Radio|radio amateurs]]. | Soviet Union. The first artificial satellite, Sputnik 1, was launched on 4 October 1957. The satellite contained two [[Radio|radio]] transmitters designed so that their signals could be received easily by [[Amateur Radio|radio amateurs]]. | ||
[[Category:Communications]] [[Category:Radio_communication]] [[Category:Satellite_communication]] | [[Category:Communications]] | ||
[[Category:Radio_communication]] | |||
[[Category:Satellite_communication]] | |||
Revision as of 16:19, 27 February 2012
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Soviet Union. The first artificial satellite, Sputnik 1, was launched on 4 October 1957. The satellite contained two radio transmitters designed so that their signals could be received easily by radio amateurs.
