The Finnish Geodetic Research |
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Page 8
... point , and if still , in the neighbour- hood of the astronomic point , there is a reliable gravimetric net , we have an Zero - order point . The astronomic points allow to compute the deflection of the vertical astro - geodeti- cally ...
... point , and if still , in the neighbour- hood of the astronomic point , there is a reliable gravimetric net , we have an Zero - order point . The astronomic points allow to compute the deflection of the vertical astro - geodeti- cally ...
Page 9
... astro nomical observations Astronomical azimuth Astronomical latitude and longitude stations Base - line sides Reconnoitred triangles ... astronomic points . latter to the ellipsoid . These deflections are relative because. 9 Fig. 7. ...
... astro nomical observations Astronomical azimuth Astronomical latitude and longitude stations Base - line sides Reconnoitred triangles ... astronomic points . latter to the ellipsoid . These deflections are relative because. 9 Fig. 7. ...
Page 10
... astronomic observations have been made at relatively few triangulation points . Only Finland is an exception . All of the 279 Finnish triangulation points are also astronomic points , and 194 of them Laplace points , 33 of them Zero - order ...
... astronomic observations have been made at relatively few triangulation points . Only Finland is an exception . All of the 279 Finnish triangulation points are also astronomic points , and 194 of them Laplace points , 33 of them Zero - order ...
Common terms and phrases
Academy of Sciences accurate standard base adjustment computation astro-geodetic astronomic observations astronomic points Baltic Geodetic Commission Baltic Sea base line measurements Columbus determination Earth's crust ellipsoid error field base line Finland Finland's Academy Finnish geodesists Finnish Geodetic Institute geodesy geoid computed geoid in Europe gravimetric method gravity anomaly field gravity observations Greenland Gulf of Bothnia heavy antiroots Helsinki high accuracy International Gravity Formula invar wires isostatic equilibrium Isostatic Institute isostatic system IUGG Kalaja Kittisvaara land uplift leading of Dr light interference method light signal long base line Maupertuis measured arc meridian arc mountains needed Nummela base line observation points oceans Ohio State University Pello Township pendulum precise levellings Prof Professor Ilmari Bonsdorff R. A. Hirvonen relative accuracy sea level standard base lines stellar triangulation SUOMI-FINLAND thickness of Earth's Tornio total solar eclipse triangulation chain triangulation point Väisälä comparator vertical W. A. HEISKANEN World geodetic system Zero-order point