The expression of the combined typical uncertainty of a change in level can be evaluated as:
σISO-EDM, σo,σc,σj will be the same as those used in the combined typical uncertainty of distances
Hence, with the minimum square adjustment by observation equations, to construct the weight matrix P, for each value the inverse of the square of the typical deviation would be introduced in each case whether they are angle or distance measurements.
The standard deviation values are affected by the equipment configuration. See the Customization Manual for further details.
García Balboa, J. L. ,Ruiz Armenteros, A. M. & Mesa Mingorance, J. L. (2011). Evaluation of the measurement uncertainty of angles, distances and changes in level measured with topographic instrumentation. Mapping 149, 6-27.
TcpMDT
