It's good for anything that goes a good distance over the (spherical) earth's su... | Hacker News

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		alnwlsn 6 months ago \| parent \| context \| favorite \| on: GPS Needs to Toughen Up, or Get Trampled Down It's good for anything that goes a good distance over the (spherical) earth's surface. 1 nautical mile is just 1/60th of a degree around.

ryandrake 6 months ago | [–]

Slight technical nit-pick: 1 nautical mile is 1/60th of a degree of latitude only, since the distance represented by angular longitudes varies depending on where you are on earth.

mananaysiempre 6 months ago | [–]

With single-digit precision like the article (appropriately) uses: 4×10⁴ km ≈ Earth’s circumference.

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