Reply to post: Re: end UK dependance on GPS?

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

Cynic_999 Silver badge

Re: end UK dependance on GPS?

Google "Decca" and "Loran" These were land radio based systems that could provide a position fix to within 300m or so. They were pretty ingeneous long-wave systems and so could operate way beyond line-of-sight.

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