Epitome Geotechnical survey company in India.


A Geodetic survey ascertains the definite position of permanent points on the surface of the earth, after considering the shape, size, and curvature of the earth. The geodetic survey is the survey in which the curvature of the earth is taken into account and a higher degree of accuracy in linear and angular observations is achieved. The geodetic surveys stretch beyond large areas and lines attaching any two points on the surface of the earth are treated as arcs. For evaluating their estimated distances on the plans or maps, the rectifications for the earth’s curvature are obtained to the measured distances. The angles between the curved lines are considered spherical angles. The knowledge of spherical trigonometry is required for making measurements in relevance to geodetic surveys.

Geodetic surveying methods are connected when zones or separations included are great to the point that coveted exactness and accuracy results can’t be acquired by conventional or plane looking over. Geodetic estimations are presently being finished with the utilization of circling satellites that are situated 12,500 miles over the surface of the earth.


Geodetic surveys are undertaken with the highest degree of precision to obtain widely spaced control points on the surface of the earth for following plane surveys. Allocation of these control points relies on the principle of surveying from the whole to the part and not from the part to the whole, as mentioned before. Geodetic surveys necessitate the use of advanced instruments and exact methods of scrutiny and their computation with proper placements. To diminish the chances of mistakes in the observations because of refraction, angular observations are normally limited tonight and arc lamps are used for signals on the survey stations.

This is the technology of identifying and relating the position of objects on the earth relative to each other while keeping into account the size, shape, and gravity of the earth. Such a survey is best suited for large zones and long lines and is used to locate the exact location of basic points required for establishing control for other surveys.

Practical applications of Geodetic Survey include observing the movements of the earth and defining the exact location of points on the surface of the earth, to be used for tracking the satellite and global navigation.

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