We may take granted today's high-teach world of cell phones ,#GPS and satellites high above the earth.These make our instant communication possible.But it all began about 50 years ago with one gaint space #ballon.
# telstar (satellite ballon name) 10 July 1962 marked the birth of satellite communications.On this day the #Telstar satellite commenced its journey into space and become the first ever active satellite.It carried the first live trans-atlantic #Tv broadcast. Telstar was built by a team at Bell #telephone Laboratories in #USA and incorporated many innovations such as the transistor and the 3600 solar panels that powered the satellite.Telstar produced 14 wants and relayed its first and non-public television pictures on 11 July 1962.The satellite could carry 600 voice calls and one black-and-white Tv channel from an egg-shapped #orbit.Today,we use satellites for GPS,TV,radio ,weather tracjing,military surveillance,space exploration and global communication s,among other things.
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