Workings of Telstar
The 117 foot long horn antenna at the ground station, in Andover, Maine
The 117 foot long horn antenna at the ground station, in Andover, Maine1
  • Telstar was built by Bell Telephone Laboratories, but it belonged to AT&T
  • It was launched by NASA aboard a Deltra rocket from Cape Canaveral on July 10, 1962
  • Original Telstar was multinational agreement between AT&T, Bell Telephone Laboratories, NASA, French National Post & Telecom Office, and the British General Post Office
  • Telstar was an active satellite, meaning that it received, processed, and amplified signals; a passive satellite simply reflects it
  • Telstar was the first satellite designed to transmit telephone and video signals
  • Telstar was also the first privately owned satellite, it's predecessors being government sponsored
  • Telstar had a capacity of 600 voice channels or one television channel
  • Telstar looked like a sphere one yard in diameter; it weighed about 175 pounds
  • Telstar contained many new technological inventions, such as the solar cell and a traveling-wave tube
'Arthur', the satellite dish biult to communicate with Telstar at the groundstation at Goonhilly Downs, Britain
"Arthur", the satellite dish biult to communicate with Telstar at the groundstation at Goonhilly Downs, Britain2
How Telstar worked

Now that we have seen how Telstar works, a few media clips showing how Telstar brought about communication can be found on the next page

1 Lucent Technologies. "The huge horn antenna -- a 177-foot long structure -- is readied in Andover, Maine for the 1962 Telstar launch. The horn transmitted and received signals to and from the satellite and a space radio relay tower.”; available from http://www.lucent.com/minds/telstar/antenna.jpg; accessed 1 March 2005.
2 Wikipedia. "'Arthur' , Goonhilly's first dish"; available from http://upload.wikimedia.org/wikipedia/en/c/c0/Goonhilly_Arthur.jpg ; Internet; accessed 14 April 2005.