Reply to post: Re: Interesting

Register Lecture: Can portable atomic clocks end UK dependence on GNSS?

John Savard Silver badge

Re: Interesting

Given that, instead of putting portable atomic clocks in our smartphones at great expense, why not just put atomic clocks in our cell towers or something? In fact, once one gets an accurate position for every cell tower, it's quite possible that some old-fashioned method of radio navigation, not needing atomic clocks at all, could be used to find one's position without the help of satellites. Although maybe the atomic clocks would still help in rural areas.

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