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IUGG in 1924, and was recommended for use all over the world. Many countries retained their previous ellipsoids.
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262:= 1:299.15), which was a European ellipsoid, the Hayford ellipsoid also included measurements from
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It has since been replaced as the "International ellipsoid" by the newer
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divergences. Hayfords ellipsoid did not reach the accuracy of
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239:= 1:297.00. Unlike some of its predecessors, such as the
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121:introducing citations to additional sources
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77:Learn how and when to remove this message
214:The Hayford ellipsoid is defined by its
111:Relevant discussion may be found on the
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207:after it had been adopted by the
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205:International ellipsoid 1924
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278:ellipsoid published 1906 (
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61:more precise citations.
361:-related article is a
334:Geodesy for the layman
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201:John Fillmore Hayford
117:improve this article
194:reference ellipsoid
132:"Hayford ellipsoid"
34:list of references
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173:November 2009
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304:(1967) and
230:.000 m
59:introducing
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234:flattening
143:newspapers
276:Helmert's
272:plumbline
268:isostatic
198:geodesist
113:talk page
312:See also
308:(1980).
232:and its
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324:Sources
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