“The University of Texas Hacked Starlink’s Signal So It Can Be Used as a GPS Alternative” How? What do they mean by this?

Question

“The University of Texas Hacked Starlink’s Signal So It Can Be Used as a GPS Alternative” How? What do they mean by this?

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Answer 1

In other words, the timing/synchronization signals sent from the satellites is reliable and precise enough that it can be used by a passive listening device to determine the location of itself relative to the locations of the satellites (basically how GPS works). Since the paths of the starlink satellites are known, this can be used to compute a location on Earth