PARIS — AST SpaceMobile, which is building a constellation of low-orbiting satellites to provide broadband links directly to unmodified smart phones, said testing of its demonstration satellite, BlueWalker-3, remains on track for a summer launch with SpaceX.
AST Chief Executive Abel Avellan said the company’s testing regime for BlueWalker-3 has been exhaustive enough that even a launch failure would not affect the scheduled deployment of the commercial BlueBird constellation of larger satellites.
In a May 16 investor call, Avellan said the U . . .
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