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- Hayford_ellipsoid abstract "The Hayford ellipsoid is a geodetic reference ellipsoid, named after the US geodesist John Fillmore Hayford (1868-1925), which was introduced in 1910. The Hayford ellipsoid was also referred to as the International ellipsoid 1924 after it had been adopted by the International Union of Geodesy and Geophysics IUGG in 1924, and was recommended for use all over the world. Many countries retained their previous ellipsoids.The Hayford ellipsoid is defined by its semi-major axis a = 6,378,388.000 and its flattening f = 1:297.00. Unlike some of its predecessors, such as the Bessel ellipsoid (a = 6,377,397 m, f = 1:299,15), which was a European ellipsoid, the Hayford ellipsoid also included measurements from North America, as well as other continents (to a lesser extent). It also included isostatic measurements to reduce plumbline divergences. Hayfords ellipsoid did not reach the accuracy of Helmerts ellipsoid published 1906 (a = 6378 200 m ; Erdabplattung f = 1 : 298.3).It has since been replaced as the "International ellipsoid" by the newer Lucerne ellipsoid (1967), GRS 80 (1980) and WGS 84 (1984).".
- Hayford_ellipsoid wikiPageExternalLink geo4lay.pdf.
- Hayford_ellipsoid wikiPageID "18498742".
- Hayford_ellipsoid wikiPageLength "1569".
- Hayford_ellipsoid wikiPageOutDegree "19".
- Hayford_ellipsoid wikiPageRevisionID "679340286".
- Hayford_ellipsoid wikiPageWikiLink Bessel_ellipsoid.
- Hayford_ellipsoid wikiPageWikiLink Category:Geodesy.
- Hayford_ellipsoid wikiPageWikiLink Category:Geophysics.
- Hayford_ellipsoid wikiPageWikiLink Defense_Mapping_Agency.
- Hayford_ellipsoid wikiPageWikiLink Earth_ellipsoid.
- Hayford_ellipsoid wikiPageWikiLink Flattening.
- Hayford_ellipsoid wikiPageWikiLink Friedrich_Robert_Helmert.
- Hayford_ellipsoid wikiPageWikiLink GRS_80.
- Hayford_ellipsoid wikiPageWikiLink Geodesist.
- Hayford_ellipsoid wikiPageWikiLink Geodesy.
- Hayford_ellipsoid wikiPageWikiLink International_Union_of_Geodesy_and_Geophysics.
- Hayford_ellipsoid wikiPageWikiLink John_Fillmore_Hayford.
- Hayford_ellipsoid wikiPageWikiLink Lucerne_ellipsoid.
- Hayford_ellipsoid wikiPageWikiLink National_Geospatial-Intelligence_Agency.
- Hayford_ellipsoid wikiPageWikiLink North_America.
- Hayford_ellipsoid wikiPageWikiLink Plumb_bob.
- Hayford_ellipsoid wikiPageWikiLink Plumbline.
- Hayford_ellipsoid wikiPageWikiLink Reference_ellipsoid.
- Hayford_ellipsoid wikiPageWikiLink Semi-major_axis.
- Hayford_ellipsoid wikiPageWikiLink Statically_indeterminate.
- Hayford_ellipsoid wikiPageWikiLink World_Geodetic_System.
- Hayford_ellipsoid wikiPageWikiLinkText "Hayford ellipsoid".
- Hayford_ellipsoid wikiPageWikiLinkText "Hayford".
- Hayford_ellipsoid wikiPageWikiLinkText "International (1924) Spheroid".
- Hayford_ellipsoid hasPhotoCollection Hayford_ellipsoid.
- Hayford_ellipsoid wikiPageUsesTemplate Template:Nofootnotes.
- Hayford_ellipsoid wikiPageUsesTemplate Template:One_source.
- Hayford_ellipsoid subject Category:Geodesy.
- Hayford_ellipsoid subject Category:Geophysics.
- Hayford_ellipsoid hypernym Ellipsoid.
- Hayford_ellipsoid type Article.
- Hayford_ellipsoid type Article.
- Hayford_ellipsoid type Geophysic.
- Hayford_ellipsoid type Science.
- Hayford_ellipsoid type Subfield.
- Hayford_ellipsoid comment "The Hayford ellipsoid is a geodetic reference ellipsoid, named after the US geodesist John Fillmore Hayford (1868-1925), which was introduced in 1910. The Hayford ellipsoid was also referred to as the International ellipsoid 1924 after it had been adopted by the International Union of Geodesy and Geophysics IUGG in 1924, and was recommended for use all over the world.".
- Hayford_ellipsoid label "Hayford ellipsoid".
- Hayford_ellipsoid sameAs Hayford-Ellipsoid.
- Hayford_ellipsoid sameAs ヘイフォード楕円体.
- Hayford_ellipsoid sameAs Ellipsoïde_van_Hayford.
- Hayford_ellipsoid sameAs m.04f0yq6.
- Hayford_ellipsoid sameAs Эллипсоид_Хейфорда.
- Hayford_ellipsoid sameAs Hayford-ellipsoiden.
- Hayford_ellipsoid sameAs Q1591933.
- Hayford_ellipsoid sameAs Q1591933.
- Hayford_ellipsoid wasDerivedFrom Hayford_ellipsoid?oldid=679340286.
- Hayford_ellipsoid isPrimaryTopicOf Hayford_ellipsoid.