Reply to post: Re: Interesting

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

gnasher729 Silver badge

Re: Interesting

Actually, with a single satellite you know that you can't be more than 15,000 km away from a satellite that you can connect to (satellites on the other side of the earth could be further away but they are invisible), so you know your time within 50ms. Don't think any GPS implements it :-)

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