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> Starlink could charge a massive premium for high resolution GPS.

but then they'd have to make it reliable. We are also not sure how much more (if at all) accurate it is.

sure the bandwidth of the downlink is much higher, and louder than GPS, but the accuracy of the clocks on the satellites is much less. More importantly they are not characterised, so we arn't sure how much they drift due to temperature (both from sun and other effects.)

depending on the navigation type, visual positioning might be better/faster/more accurate. For "military" purposes, silent autonomous navigation without radio sensors is pretty appealing. Using satellite imagery, its perfectly possible to make an accurate, robust visual navigation system

for urban areas, "VPS"s are far quicker and more accurate, but require network access to work practically.



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