CERN to America, via Telstar

23 July 1962

At CERN, in July 1962, 60 hours of feverish preparation culminated in 60 seconds of history-making television. On the evening of 23 July, some two hundred million viewers in Europe and North America had a short glimpse of CERN at work during the first direct transmission relaying electromagnetic waves from Europe to the USA via an artificial satellite.

Telstar was an international collaboration that included NASA, AT&T, Bell Labs (who carried out the construction work) and the French and British national post offices. Read more in the CERN Courier (, including why Switzerland chose to devote its one minute of allotted airtime to our laboratory; learn more about Telstar from the Smithsonian National Air and Space Museum 9

From the archive

You are here