Subject: Re: [BoundaryPoint] Re: double line bug & nautical miles
Date: Nov 23, 2001 @ 23:45
Author: m donner ("m donner" <maxivan82@...>)
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>From: "Grant Hutchison" <granthutchison@...>_________________________________________________________________
>Reply-To: BoundaryPoint@yahoogroups.com
>To: BoundaryPoint@yahoogroups.com
>Subject: [BoundaryPoint] Re: double line bug & nautical miles
>Date: Fri, 23 Nov 2001 20:35:52 -0000
>
>Michael:
> > received values continue to proliferate from exactly 6076 feet to well
> > beyond 6077 ft for it does now appear that the most prestigious
> > authorities agree only upon exactly 6076 feet & 1 tenth yes 6076point1
> > period tho many others still variegate crazily into 4 decimal places
>
>I can variegate better than that - it says here the US nautical mile
>was defined in 1954 as exactly 6076.11549ft.
>Here in the UK we rejoice under a nautical mile that is supposed to be
>equal to one minute of longitude at the equator: 6082.66ft. Out of a
>sense of reality, the Admiralty rounded this to one "Admiralty mile":
>6080ft.
>Does anyone know why the US went for such unfeasibly submillimetric
>accuracy?
>
>Grant
>