Surveying-2

Compass surveying

Traverse, Compass surveying, Compass, Prismatic compass, Working of Prismatic compass, Surveying Compass, Difference between prismatic compass and surveying compass, Bearing of a line, Designations of bearing, Calculations of angles from bearing, Calculation of bearing from angle,

Gecdoical Observations

Local attraction and numerical problems, Dip of the magnetic needle, Magnetic declination, Variation of declination, Types of compass, Adjustment of a quadrilateral by methods of least square, Principles of least squares, Adjustment of a geodesic triangle, Determination of focal length of lens, Aerial camera, Law of accidental error, Probability curve (curve of error), Normal equations, Method of differences

Gecdoical Observations

Gecdoical Observations, determination of correction for refraction, correction for curvature, determination of difference in elevation, difference in elevation reciprocal observations

Triangulation

Triangulation, objective of triangulation, classification of triangulation system, well- conditioned triangle, selection of triangulation station, satellite station

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