| Show Bell System laboratories Aid In Apollo Research A life line of communications stretching around the world and across space is guiding guiding guiding guid guid- ing the Apollo 12 astronauts in mans man's second landing on the moon Bell System circuits are the principal paths by which every type of electrical transmission sion voice slon voice data video telephoto telephoto telephoto tele- tele photo teletypewriter and telemetry telemetry telemetry tele tele- metry plays a part in the en en- en tire flight More than circuits spanning half halt a million miles mUes make up the largest share of communications network net network net net- network the Apollo work that extends around the world said Dee s Severson verson lo local local lo- lo cal manager That circuit mileage is roughly equivalent to a round trip to the moon Signals from tram the space craft are picked up and transmitted by undersea cables satellite and high frequency radio to the Goddard Space Flight Center in Greenbelt Maryland From Goddard the communications are moved via the network to their ultimate destination at Houston Texas where controllers controllers controllers con con- were watching the progress of the flight Bell System circuits are also the principal paths by which telecasts from Apollo 12 and the moon reach viewers In Utah and millions of the people around the world |
