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> The only unknown is how fast, accurate, and reliable the laser-based intersat comms will be.

Those communications are still an unsolved and hugely difficult engineering problem. It will be awesome if SpaceX has actually achieved this: getting the kind of precision required to communicate over direct laser links between specks of dust hundreds of km apart traveling at thousands of km per hour is no easy feat.




If the satellites are flying in formation, most link headings will be fixed or change very slowly.




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