Test inflation of the ft diameter PAGEOS satellite in a blimp hangar Once in orbit it was tracked visually as part of an early experiment in global positioning Sightings of the balloon satellite were used to pinpoint a position on the earths surface to

Tags: space, test, inflation, diameter, pageos, satellite, blimp, hangar, orbit, tracked, visually, experiment, global, positioning, sightings, balloon, pinpoint, position, earths, surface, feet

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