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Application of Weights in Surveying Measurements

We all know that some measurements are better than others, even in the same survey.  For example, if we are running a traverse and some angles are turned under better conditions, or you turn 2 sets of angles (4 angles) at one setup and just one angle at another setup, one of the angles would be better than the other.  That is, some angles are more precise than others.  This introduces the concepts of weights.

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There are weighting strategies for other surveying measurements, for instance in adjusting GPS/GNSS data and derived vectors. While surveying field and office software automate many aspects of measurement adjustment, understanding how weighting works and how weights are assigned is essential for surveying practioners and professionals.

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