Starlink signals could work as GPS alternative, whether SpaceX likes it or not

With some 3,000 satellites in orbit, the Starlink constellation is easily the largest in history and of course presents an immense opportunity for global connectivity. But its signals could also be analyzed and used as an alternative to traditional GPS, a new paper claims, with or without SpaceX’s blessing.
Todd Humphreys and his team at the University of Texas Austin dove into the “signal structure” of the Starlink downlink, and while there’s only so much they can learn without insider info from the company itself, they did find plenty of useful data.
Satellites must p

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